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"energy sources" - 107 õppematerjali

New energy sources
28
pptx

New energy sources

New energy sources Rauno Hermann Scheer Energy law ­ example for 47 countries 6.3% to over 20% Numerous awards including The Right Livelihood Award Renewable energy in world Investments 63 billion USD > 120 billion USD 20062009 Wind energy: 74 000 MW to 135 000 MW Solar energy: 5100 MW to 19 000 MW WHAT ARE THE ALTERNATIVES TO TODAYS SOLAR, WIND AND BIOMASS ENERGY SOURCES? Osmotic power How it works? Pressure created by osmosis powers turbines Where could be used Where fresh and salt water meet (creeks, fjords) Desalination plants Now Worlds first test factory in Norway Tofte (2009) Disadvantages Km2s of membranes needed Norway, Tofte Click to edit Master text styles Second level Third level Fourth level ...

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5 allalaadimist
Renewable energy
8
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Renewable energy

Name at least 3 renewable energy sources. What consequence might there be if we use non-renewable energy too much? Which energy technology is the world's fastest growing? With what name is renewable energy also known as? Light Heat Electricity Generated from natural resources. Doesn't harm the environment. Can't be replenished Most of our energy. May cause global warming. Wind energy is the fastest growing. Most renewable energy comes from the sun. Hydroelectric energy is the oldest and largest source. Renewable energy a.k.a "green" energy. Thank you for listening! We use energy every day. It surrounds us in different forms, such as light, heat, and electricity. Our bodies use the energy stored in molecules of substances like carbohydrates and protein to move, breathe, grow, and think. We also use energy to do work and to play. Humans have invented thousa...

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12 allalaadimist
Renewable energy
30
pptx

Renewable energy

Renewable energy Meriliin Lend Estonian University of Life Sciences Tartu 2013 Topics Renewable energy Solar energy Wind energy Hydroelectric power Geothermal energy Biomass energy Renewable energy Renewable energy comes from sources that naturally renew, or will not run out in our lifetimes. Includes sunlight, wind, water, geothermal heat and various forms of biomass. Renewable energy cannot be exhausted and is constantly renewed. Does not harm the environment. Saves money. Solar energy Solar energy is the technology used to harness the sun's energy and make it useable. Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy use has surged at about 20 percent a year over the past 15 years, thanks to rapidly falling prices and gains in efficiency. Solar energy is inexhaustible. Noise free. Does not harm the environmen...

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6 allalaadimist
Water creates energy
1
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Water creates energy

Water creates energy Eduard Kamenski 11a form The world uses energy from many different sources, such as: hydroelectric power, nuclear power plants, solar energy, and wind generated power. There are positive and negative aspects of each source, but which source of energy is best? My opinion is that the best source of energy is water and I'll bring up some facts why do I think so. Hydroelectric power is currently the world's largest renewable source of electricity. It accounts for six percent of the worldwide energy supply or about fifteen percent of the world's electricity. Water has been found to be a major source of energy. Water power is utilized at present mainly as hydro-electricity. It is produced from moving water and from falls with the help of turbines and dynamos. Hydro-electricity has acquired great significance as a source of energy in the country in the present times and is being put to different uses. The following are the...

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5 allalaadimist
Energeetika arengu plaanimine
20
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Energeetika arengu plaanimine

ELEKTROENERGEETIKA INSTITUUT Referaat Taastvad Energiaallikad Esitamise tähtaeg 14.04.2009 Õppejõud: Hannes Agabus Tudeng: Sergei Belosapko Nikita Naumov Tallinn 2009 Contents: 1. Renewable energy 1.1. Costs................................................................................................................... 2 1.2. Potential future utilization..............................................................................4 1.3. Why Don't We Use More Renewable Energy? ...........................................5 2. Energy Types 2.1. Wind Energy.......................................................................................................6 2.1.1. Annual Generation........................................................................................7 2.1.2. ...

Elektroonika → Energeetika arengu plaanimine
39 allalaadimist
Sustainable city planning
14
pptx

Sustainable city planning

Sustainable city planning Sandra Erik 11L What is sustainable city planning? • A sustainable city, or also know as eco-city, is a city designed with consideration of environmental impact, inhabited by people dedicated to minimization of required inputs of energy, water and food, and waste output of heat, air pollution - CO2, methane, and water pollution. •  It should meet the needs A sustainable city should be able to... • feed itself with minimal reliance on the surrounding countryside, and power itself with renewable sources of energy. • create the smallest possible ecological footprint • produce the lowest quantity of pollution possible • efficiently use land • compost used materials - Practical Achievement • Different agricultural systems - agricultural plots within the city – reduces distance. • Renewable energy sources - wind turbines, solar panels,...

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1 allalaadimist
Forest Bioenergy
26
pptx

Forest Bioenergy

FOREST BIOENERGY Outline Introduction: wood as a fuel Main body: diferent wood made energy products Conclusin: summarising the usage References Introduction • Fossil fuels: dominant source of energy. • Biomass accounts about 10% energy supply • Wood- based fuels from fast- growing species. • Forest biomass: reneweable energy • Forest biomass, mainly used in the Nordic countries. Wood based fuels sources •Energy forest •Forest biomass •Recycled wood Wood Biomass • Biologicalmaterial derived from living, or recently living organisms. • Can be used after converting it to various forms of biofuel. • Woodchips • Pellets Bioenergy • Energy produced from biomass. • Electricity, heat, and transportation fuels. • Eesti Energia and bioenergy. Benefits of Biomass • Environmental Benefits • Economic Benefits • Energy Benefits Biofuels • Solid fuels Pellets, briquettes • Liquid fuels Ethanol Bio-d...

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8 allalaadimist
Energy - põhjalik referaat energiast
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Energy - põhjalik referaat energiast

SISUKORD ENERGY STORY................................................................................................................4 USES OF ENERGY............................................................................................................. 4 2.1 Uses of energy in homes...............................................................................................5 2.2 Types of energy used in homes.................................................................................... 6 2.3 Energy use in different types of homes........................................................................ 6 2.4 Commercial Energy Use...............................................................................................9 2.5 Industrial and Manufacturing Energy Use..................................................................11 2.6 Transportation Energy Use.................................................

Keeled → Inglise keele foneetika ja...
19 allalaadimist
Utoopia arhitektuuris
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Utoopia arhitektuuris

Architecture and cities in the future · The painting by Frank R. Paul · Cities made of steel, glass and plastic · Massive skyscrapers, roof-top aerodromes, wide pedestrian boulevards, metal roadways, urban space launch pads, noise regulations. · Cities must change radically to achieve long-term sustainability. · Energy, food and water sources, transportation systems and basic infrastructure, must all adapt to emerging pressures from climate change, dw...

Geograafia → Inglisekeelne geograafia
11 allalaadimist
Environment and renewable energy
2
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Environment and renewable energy

Environment and renewable energy 1. How can we help bring about a change in behavior? * Renewable energy is the sun and the water that people use, but not yet so widely. Required on all homes, various stations, hypermarkets solar panels to use the potential energy, the stock of which is not completed within 5 billion years. * Renewable sources such as wind and solar are intrinsically unsuited to meeting the demand for continuous, reliable supply on a large scale – which comprises most demand in developed countries. The criteria for any acceptable energy supply will continue to be cost, safety, and security of supply, as well as environmental considerations. 2. How can we encourage sustainable development? * To encourage you in the following way. To allocate money for the construction of such stations to States that are unable to pay for expensive power plants. Permanent sponsorshi...

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1 allalaadimist
Thoughts on Air Pollution Essay
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Thoughts on Air Pollution Essay

Air pollution Every day, the average person inhales about 20,000 liters of air. Every time we breathe, we risk inhaling dangerous chemicals that have found their way into the air. Air pollution includes all contaminants found in the atmosphere. These dangerous substances can be either in the form of gases or particles. Air pollution can be found both outdoors and indoors. Pollutants can be trapped inside buildings, causing indoor pollution that lasts for a long time. The sources of air pollution are both natural and human-based. As one might expect, humans have been producing increasing amounts of pollution as time has progressed, and they now account for the majority of pollutants released into the air. Air pollution has been a problem throughout history. Even in Ancient Romepeople complained about smoke put into the atmosphere. The effects of air pollution are diverse and numerous. Air...

Keeled → Inglise keel
3 allalaadimist
Argumentative presentation-Estonia does need a nuclear power station
1
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Argumentative presentation: Estonia does need a nuclear power station

Argumentative presentation: Estonia does need a nuclear power station Good evening. My name is Margus and I will be talking to you about why does Estonia needs a nuclear power station. My talk consists of 3 parts: the current situation, renewables and how can nuclear power save Estonia from an energy crisis. My talk will last for 2-3 minutes and questions can be asked at the end. Power consumption is increasing exponentially in all civilised countries. Estonia's coal based power generation is becoming obsolete in the near future. The question arises : "Where will the future generations get the energy that they need?". First of all, in the current year, the power consumption reached the highest of all tomes in February. Most of the energy shortage was covered by energy brought from Lithuania. Energy was produced there from gas imported from Russia. That is not a reliable source of energy that can scale. In add...

Keeled → inglise teaduskeel
25 allalaadimist
Happevihmad - inglise keele esitlus
14
pptx

Happevihmad - inglise keele esitlus

Acid rain Priit Norak, 11A Acid rain is rain that has a higher than normal acid level. Causes of acid rain  Power plants  Exhaust from cars  Burning oil or natural gas  Volcanic eruptions  Intense lighting How? Effects of acid rain  Heart and lung problems  Polluted water  Dead fish and animals  Destroyed forests  Steel corrosioin  Stone erosion How to reduce acid rain?  Reduce CO2 emission from cars  Use electric cars  Use alternative energy sources  Reduce the ammount of energy we use  Public transport  Spread knowledge! Let’s keep our Earth healthy!

Keeled → Inglise keel
10 allalaadimist
IPCC summary
1
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IPCC summary

Answers for the IPCC Summary. 1.Radiative forcing is a measure of the influence that a factor has in altering the balance of incoming and outgoing energy in the Earth-atmosphere system and is an index of the importance of the factor as a potential climate change mechanism. 2.The three main things that alter the energy balance of the climate system are the changes in the atmospheric abundance of greenhouse gases and aerosols, in solar radiation and in land surface properties. 3.The two sources for the increased concentration of CO2 in the atmosphere are production, distribution and consumption of fossil fuels and as a by-product from cement production. 4.The two main sources of methane pollution are agriculture and fossil fuel use. 5.Volcanic aerosols are not included to the list because of their episodic nature. 6.The world's oceans absorb more than 80% of heat. 7.The total 20th-century rise is estimated to be 0.17...

Geograafia → Geograafia
5 allalaadimist
The environment in realtion to mobility transport in Europe
1
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The environment in realtion to mobility/transport in Europe

The environment in realtion to mobility/transport in Europe Air pollution is problem all over the world. Through some pollution comes from these natural sources, most pollution is the result of human activity. The biggest causes are the operation of fossil fuel- burning power plants and automobiles that combust fuel. Combined, these two sources are responsible for about 90% of all air pollution in the United States. All kind of pollutions can lead us to serious health problems. For example, air pollution is increasingly being cited as the main cause of lung conditions such as asthma - twice as many people suffer from asthma today compared to 20 years ago. Every year, 3.2m Europeans are diagnosed with cancer - the most common cause of death after heart disease. Most widespread are cancers of the lungs, breast and colon. Diseases such as bronchitis, lung cancer and heart diseases may all eventually appear in people exposed to a...

Keeled → Inglise keel
5 allalaadimist
Biogas – The source of future energy
26
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Biogas – The source of future energy

Tartu Miina Härma gymnasium Biogas ­ The source of future energy Report Tartu 2010 Table of Contents Introduction......................................................................................................... What is biogas?................................................................................................... Producing process............................................................................................... Nowadays............................................................................................................ Areas where biogas is used in............................................................................. Biogas as replacement of fuel.......................................................................... Other benefits.......................................................................

Keeled → Inglise keel
4 allalaadimist
Wind energy vs oil shale
2
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Wind energy vs oil shale

To: Environmental protection agency From: Subject: Wind power versus oil shale Date: September 22 Wind power vs oil shale Introduction The purpose of this report is to analyse if wind power is better than power which is produced from oil shale. The report is based on EWPA (Estonian Wind Power Association) article which is published on their web page. Wind power It is said that the wind power is the most expensive source of power, but this statement is not plausible, because the recourse -wind- is for free. Calculations have shown that if new oil shale blocks were built, it would cost 3473 million EEK in a year per capita. On the other hand, if wind power were renewed in similar amount, it would cost only 868 million EEK per capita in a year. It means that if the wind power were renewed, it would be 17 370 millions EEK cheaper. The fact that wind energy saves resources and produces neither dangerous ...

Keeled → Inglise keel
18 allalaadimist
Environmental problems today
1
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Environmental problems today

Environmental problems today Nowadays we need to stand face to face against the environmental problems in spite of our everyday routine, that may affect the nature. Which are the most problematic environmental problems and how can we avoid them ? To start with, the biggest problem is global warming. The temperature is rising due to air pollution, which is caused by smoke from factories and of rising levels of CO2 . As a result, smog and soot causes health problems. Also, a big problem is deforestation. Due to the fact that it is causing destruction of the rainforest, it contaminates the water. To solve these problems, we certainly should use renewable sources of energy and we need to avoid dangerous gases. For example, we should switch off lights every time when we leave a room. Moreover, we should take public transport more often and stop using CFC's. We can solve environmental problems only if we follow certain rules. that it i...

Keeled → Inglise keel
27 allalaadimist
Food – pleasure or nuisance
1
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Food – pleasure or nuisance.

Food ­ pleasure or nuisance. Food has been a global problem for many years. Bad eating habits and junk food is problem number one. Junk food doesn't only contain lots of fat and cholesterol, but also damages health badly. So what shall we do to avoid these crucial problems and make eating enjoyable not temtping ? The first thing to do - cut off junk food from your food ration. Fat, cholesterol are hardly removable from organism, especially blood veins. If blood is blocked then it may cause death. It is necessary to keep organism clean. Change your food ration for healthy and nutritious food like fruits, nuts, rice, vegetables etc. Also consume more dairy produtcs that have lot of carbohydrates and less fried meals. Boiled are prefered more. The second thing is activity. Pick up a sport which you like, the more action it has the better it is. While doing sports bad salts and chemical elements come out throug...

Kirjandus → Inglise kirjandus
5 allalaadimist
Wave-energy
48
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Wave-energy

1 Wave energy Introduction to wave energy There are several possibilities to harvest different forms of energy from the sea. One of these options is the usage of waves for the generation of electricity. The devices needed to perform this task are called wave energy converters. Wave energy is indirect solar energy in twice. At first there is the wind, which is caused by variations in atmospheric pressure due to a differential solar heating of earth's surface by the sun. Different regions of pressure drives a force which rises a movement of atmospheric air masses that causes the earths wind system. If wind strikes over the surface of an open water, waves are induced. First they are very flat with only a low level of energy. When there is a long distance over the water on which wind can attack the small ones, they became bigger and bigger with a l...

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1 allalaadimist
Stress is a natural part of people
2
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Stress is a natural part of people

Stress is a natural part of people’s lives. Negative stress can affect people`s ability to be positive. What are the main sources of stress for young people today? What can they do to cope with it? Millions of people around the world live in stress. In particular young people are more often a subject to stress. I want to talk about the stress that young people have. In general there are two types of stress: negative stress and positive stress. First type is the positive stress. It is very important in our life. Positive stress gives you the energy to throw yourself into something what you want to do very well. For example, approximation for exams. In this situation a student begins to learn diligently all materials that he didn’t learn before. On the other hand, we have negative stress too. This type of makes people nervous and they can’t be positive. Nowadays we have a lot of sources of stress. For instance: problems at s...

Keeled → Inglise keel
6 allalaadimist
Simple and small ways affect the enviroment for the better
2
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Simple and small ways affect the enviroment for the better

Simple and small ways affect the enviroment for the better Everyone can do something for the enviroment. All of us should do something, because enviroment is very important to people. Our planet is changing and we need to help it change for the better. One way how to help the enviroment is saving energy. You should switch off anything, that uses electricity. If you’re not using it, then turn it off, it’s simple. This goes for lights, televisions and so on. Also try unplugging if possible, because even when an appliance is turned off, it still may use power. You could switch your light bulbs to LED light bulbs, because these are using less energy and even last longer. If you use renewable energy sources, you won’t cause burning fossil fuels, that causes pollution. Another way how to help the enviroment would be saving water. Turn off the water, when you’re not using it. People often leave water running, when they’re br...

Keeled → Inglise keel
4 allalaadimist
Globaalne soojenemine-inglise keeles
14
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Globaalne soojenemine (inglise keeles)

GLOBAL WARMING Global warming is the observed century-scale rise in the average temperature of Earth's climate system. Since 1971, 90% of the increased energy has been stored in the oceans, mostly in the 0 to 700m region. Despite the oceans' dominant role in energy storage, the term "global warming" is also used to refer to increases in average temperature of the air and sea at Earth's surface. Since the early 20th century, the global air and sea surface temperature has increased about 0.8 °C (1.4 °F), with about two-thirds of the increase occurring since 1980.Each of the last three decades has been successively warmer at the Earth's surface than any preceding decade since 1850. More than 90% certain that most of global warming was being caused by increasing concentrations of greenhouse gases produced by human activities.In 2010 that finding was recognized by the national science academies of all majo...

Keeled → Inglise keel
11 allalaadimist
Hübriidauto - Hybrid car
10
ppt

Hübriidauto - Hybrid car

Hybrid car Natali Koppel TÖ41 Vo c abulary · Fuel efficient ­ kütusesäästlik · Lightweight ­ kerge · Aerodynamic ­ voolujooneline, aerodünaamiline · Purchase ­ soetama, omandama, ostma · Reduce ­ vähendama Intro duc tio n · Care for the environment? · Want to save the planet? · Then you must think in terms of fuel efficiency, non-polluting, and eco-friendly transport. · The answer doesn't lay completely in purchasing and using a hybrid car. They do make a statement by being compact and fuel efficient, but also carry various issues. Why to purc has e a hybrid c ar? 1. Made of lightweight materials hybrids are small in size. The engine is designed to be fuel efficient. When the car halts at a signal, the engine will automatically shut down and restart when the car shifts into gear. 2. These cars have the advantage of being powered by a gasoline engin...

Keeled → Inglise keel
32 allalaadimist
Green Energy presentation
36
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Green Energy presentation

Green Energy Program paid for and brought to by -Anja Bananja -Franz the Manz - And Just Chadrick Overview- What is Green Energy? Different Types? What is sustainability? German Green Energy Cost and Efficiency Recycling What is Green Energy? -It is energy resources that are renewable -Can be naturally replenished -Clean, Safe and not harmful to the environment (aka mother earth) Types of Green Energy Green Energy going cute Solar Power · Is produced by using photovoltaic cells, which capture sunlight and turns that into energy. Problems ? -The sun has got to shine -The cost of solar panels and the systems range between $20k-40k -The light from the sun produces a very small amount of energy Wind Power -These giant pinwheels spin from strong winds which spins ...

Keeled → Inglise keel
7 allalaadimist
Acid rain
5
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Acid rain

Miina Härma Gymnasium Acid Rain Report Compiler: Teisi Timma 8a Teacher: Esther Linask Tartu 2009 Acid Rain Acid rain is rain consisting of water droplets that are unusually acidic because of atmospheric pollution - most notably the excessive amounts of sulfur and nitrogen released by cars and industrial processes. Acid rain is also called acid deposition because this term includes other forms of acidic precipitation such as snow. Acidic deposition occurs in two ways: wet and dry. Wet deposition is any form of precipitation that removes acids from the atmosphere and deposits them on the Earth's surface. Dry deposition polluting particles and gases stick to the ground via dust and smoke in the absence of precipitation. This form of deposition is dangerous however because precipitation can eventually wash pollutants into strea...

Geograafia → Geograafia
6 allalaadimist
PETROLEUM
29
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PETROLEUM

Tallinn 2013 Ott Speek Subject: English Geodesy Study group: GI-21b PETROLEUM PRESENTATION Petroleum (L. petroleum, from Greek: Πέτρα (rock) + Latin: oleum (oil) is a naturally occurring flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. The name Petroleum covers both naturally occurring unprocessed crude oils and petroleum products that are made up of refined crude oil. A fossil fuel, it is formed when large quantities of dead organisms, usually zooplankton and algae, are buried underneath sedimentary rock and undergo intense heat and pressure. Petroleum is recovered mostly through oil drilling. This comes after the studies of structural geology (at the reservoir scale), sedimentary basin analysis, reservoir characterization (mainly in terms of porosity and perme...

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4 allalaadimist
Ghosthunters
2
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Ghosthunters

1. Who are ghosts? · The energy, soul or personality of a dead person who has somehow gotten stuck between this plane of existence and the next · Those persons has often died as a result of some tragedy or trauma · It´s believed that those ghosts don´t know they are dead · Also known as "intelligent hauntings," these ghosts exist in a kind of limbo state in which they haunt the scenes of their deaths or locations that were pleasant to them in life. Limbo is kind of a pre-hell state · When psychics say, they can communicate with them, and when they do, they often try to help these spirits to understand that they are dead and to move on to the next stage of their existence. · Messengers - the most common ghosts. · These spirits usually appear shortly after their deaths to people close to them to bring comfort to the loved ones. · Messengers are aware of their deaths and can int...

Keeled → Inglise keel
1 allalaadimist
Life in Estonia through the eyes of an economics student
4
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Life in Estonia through the eyes of an economics student

Life in Estonia through the eyes of an economics student I have been studying economics for a few months now and I would not say that my point of view on life in Estonia has changed. There are some things I recently started to look on differently but I am not sure is it because of TUT or not. Through my entire life I have seen Estonia as a strong and fast growing country which is also a fact because Estonian economy was one of the fastest growing in the world until 2006 with growth rates even exceeding 10% annually. I find it being quite impressive. There are some fields which Estonia can fill with supplies by itself. We are nearly energy independent country, supplying over 90% of our electricity need with locally mined oil shale. Estonia has also an alternative energy sources such as wood and peat. I could call myself earth friendly because I love walking around the forest and breading some fresh air but I do not li...

Majandus → Akadeemiline kirjutamine
6 allalaadimist
Kosmilised kiired
10
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Kosmilised kiired

Häädemeeste Keskkool Kristen Sepp KOSMILISED KIIRED Referaat Juhendaja: Raimo Pruul Häädemeeste 2012 Sisukord Mis on kosmilised kiired?.................................................................................................................... 3 Kust need tulevad?............................................................................................................................... 4 Primaarkiirgus...................................................................................................................................... 5 Sekundaarkiirgus..................................................................................................................................6 Ajalugu................................................................................................................................................. 7 Kasutatud allikad.....

Füüsika → Füüsika
10 allalaadimist
New Zealand
3
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New Zealand

NEW ZEALAND Geography: New Zealand is situated midway between the Equator and the South pole in the southern Pacific Ocean. It consists of two large islands, North Island and South Island, plus several smaller ones of which Stewart Island is the largest. North and South Islands are separated by the 32km wide Cook Strait. The total land area is 270,535 sq Km, about the size of Italy, the United Kingdom or the US state of Colorado. North Island is volcanically active with three active volcanoes. South Island has the high snow covered mountain peaks and glaciers of the Southern Alps, a range running almost 500Km along the Island. The longest river is the Waikato on North Island (425 Km), the largest inland stretch of water is Lake Taupo also on North Island (607 sq Km) and the highest point is Mount Cook on South Island (3754 m). Over 75% of New Zealand is above 200m. Land use is broken down to about: forested 30% - meadows and pastures...

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9 allalaadimist
BARRIERS TO DISTRICT HEATING DEVELOPMENT IN SOME EUROPEAN COUNTRIES
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BARRIERS TO DISTRICT HEATING DEVELOPMENT IN SOME EUROPEAN COUNTRIES

BARRIERS TO DISTRICT HEATING DEVELOPMENT IN SOME EUROPEAN COUNTRIES Abstract District heating (DH) offers low primary energy demand, high security of supply and small CO 2 emissions. Barriers to DH in the UK, Ireland, France, Romania and the Czech Republic have been compiled through publications and interviews. DH systems require large investments, have negative initial cash flow and long payback time, which obstructs financing. One actor should control DH from source to consumption. If the value chain is fragmented, contracts are required between the links. It increases risks and financing costs, like in the UK and Ireland, where DH is not established. There are few multi- family houses with central heating and it is expensive to build DH networks in built areas. Most French DH systems are operated according to long-term concessions by companies that sell electricity and gas. No strong actor provid...

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1 allalaadimist
Tuuma energia
13
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Tuuma energia

Tartus secondary school of business Nuclear Power Helena Nulk form 11b Tartu 2009 Table of contents Introduction..........................................................................................................................................3 What is nuclear power?....................................................................................................................3 Nuclear life cycle.............................................................................................................................3 What is nuclear energy?...................................................................................................................3 What is nuclear fusion?....................................................................................................................4 What is ...

Füüsika → Füüsika
22 allalaadimist
Essee kirjutamine inglise keeles
6
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Essee kirjutamine inglise keeles

Essay 200 (+/- 10%) words The text consists of 4-5 paragraphs discussing a specified topic. Usually the task contains points you have to discuss. Make sure they are all covered! Keep in mind! Formal language – no slang, so contracted forms, colloquialisms, try to avoid repetition of words. Indented lines! Clear paragraphs with one central idea. Avoid strong feelings 8everybody hates... it is absurd to believe...) and strong personal expressions Use generalization (children assume…), but do not use overgeneralizations (all children assume…) At least 2 linking words per paragraph (separate them from the rest of the sentence by commas!) that show the connection between paragraphs. Make references to other sources (Police officials believe that…) Give examples, not personal thoughts (expressive intake of alcohol can damage liver) if you use statistics, be sure of the source! Avoid clichéd introductions, make it more original (hook) Consiste...

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36 allalaadimist
Taastuvenergia
31
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Taastuvenergia

EESTLASTE SUHTUMINE TAASTUVENERGIASSE Uurimistöö Koostaja: Klass: Juhendaja: 2009 Sisukord Sissejuhatus..........................................................................................................................................3 1. Taastuvenergia..................................................................................................................................5 1.1 Päike...........................................................................................................................................5 1.1.1 Päikeseenergia eelised:.......................................................................................................5 1.1.2 Passiivne päikeseenergia......................................................................................

Muu → Teadus tööde alused (tta)
153 allalaadimist
Inglismaa
9
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Inglismaa

khTallinn English College The United Kingdom Topic Mari-Liis Pakats Tallinn 2008 2 Table of Contents Introduction..................................................................................................................4 Geographical Position .................................................................................................4 History .........................................................................................................................4 Government..................................................................................................................5 Queen Victoria.............................................................................................................5 Relief...............................................................................................................................

Keeled → Inglise keel
46 allalaadimist
Food and environment
44
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Food and environment

Food and environment Brita Lodi Tallinn University of Technology Management of Environment 2015 MEAT INDUSTRY ENVIRONMENTAL PROBLEMS ● GREENHOUSEGASES ● WATER (USAGE, POLLUTION) ● LAND ● WASTE ● OCEANS ● RAINFORESTS ● WILDLIFE ● HUMANITY GREENHOUSE GASES 18 PER CENT OF GREENHOUSE GAS EMISSIONS ARE CAUSED BY ANIMAL AGRICULTURE CARBONDIOXIDE METHANE NITROUS OXIDE LIVESTOCK AND THEIR BYPRODUCTS ACCOUNT FOR AT LEAST 32,000 MILLION TONS OF CARBON DIOXIDE (CO2) PER YEAR, OR 51% OF ALL WORLDWIDE GREENHOUSE GAS EMISSIONS. METHANE (and nitrous oxide) „THE MAIN SOURCES OF METHANE ARE THE ENTERIC FERMENTATION OF RUMINANTS AND RELEASES FROM STORED MANURE“ WASTE EVERY M I N U T E, 3.5 MILLION KILOGRAMS OF MANURE ARE PRODUCED BY ANIMALS RAISED FOR FOOD IN THE US. WATER 20-33% OF ALL FRESH WATER CONSUMPTION IS USED IN ANIMAL AGRICULTURE. HUM...

Keeled → Inglise keel
3 allalaadimist
Sustainability aspects of biofuels
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Sustainability aspects of biofuels

Margit Tepner k0848752 Sustainability aspects of biofuels 1. Introduction The literature review will discuss the sustainability aspects of biofuels. Food production will be the main concern as it is the most debated issue, but other aspects, such as land use change and water consumption will be also considered as they are essential aspects in the biofuels sustainability criteria. The review will discuss the viability of biofuels based on the current technologies. Second-generation biofuels are not yet commercially viable and therefore will not be discussed; although they could significantly improve the sustainability of biofuels when they break through to the industrial scale. 2. The scale of biofuels production 2.1. Drivers of biofuels production Lal (2010) stated that "three inter-connected challenges face humankind in the 21st century": food security, climate change, and energy security. The world...

Keeled → Inglise keel
7 allalaadimist
Soil microflora
10
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Soil microflora

Estonian University of Life Sciences Report on Soil Microflora By Katrin Vares Tartu 2013 Introduction The purpose of this report is to define soil microflora and establish the importance of it. Since the microorganisms clearly play an important role in preserving the balance of life, the next objective is to look into factors that influence this balance. Natural conditions and cultural impact could be considered as the variables that correlate the most with the activity and composition of microflora, hence some of the natural and cultural factors will be looked into a little more in detail. Definition, composition and importance of microflora Saunders Comprehensive Veterinary Dictionary (2007) cited by the online medical dictionary (2013) defines living microorganisms as that small that they can be seen only with a microscope and that maintain a more or less constant presenc...

Keeled → Inglise keel
6 allalaadimist
Elektriautod
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Elektriautod

Tartu Kutsehariduskeskus Autode ja masinate remondi osakond Rainer Kaine AT-109 Iseseisev töö Electric cars Instructor: Tauris Vijar Tartu 2010 Introduction In this essay i´m write electric cars and this how these cars are built, how easy is built electric car, how much costs electric cars. The problems for electric cars, there are many problems why peoples still can´t use quiet and more green cars. But even the electric car is not all green because the electricity produced for nuclear, coal, oil shale and natural gas. These ways to get electricity pollutes nature, the only difference between lies in the fact that pollution is in the one place. Coal Electric power station Oil shale power station in Narva What is a electric car An electric car is a plug-in battery powered automobile which is propelled by electric motor. Electric cars...

Keeled → Erialaline inglise keel
53 allalaadimist
Extended essay-To what extent does a plant-based diet lower the risk of coronary artery disease
48
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Extended essay: To what extent does a plant-based diet lower the risk of coronary artery disease?

Extended Essay Research Question: To What Extent Does a Plant Based Diet Lower the Risk of Coronary Artery Disease? Subject: Biology Word Count: 3482 Abstract: Because there has been much debate over whether plant based diets are beneficial or not, I’m willing to learn more about it and since there’s eligible data available on the effects of vegetarian/vegan diets on cardiovascular diseases, my research question is formed accordingly: To what extent does a plant based diet lower the risk of coronary artery disease? The importance of this study lies in my own curiosity and my desire to acquire further knowledge on the prevention and treatment of coronary artery disease. In this investigation I will study two similar prospective studies on plant based diets and cardiovascular diseases, mainly coronary artery disease, to find ou...

Keeled → Inglise keel
2 allalaadimist
Inglise keelne kirjand Stendhal-ist
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Inglise keelne kirjand Stendhal-ist

As a student he grew interested in literature and mathematics. In 1799 he left for Paris, ostensibly to prepare for the entrance examination to the École Polytechnique, but in reality to escape from Grenoble and from paternal rule. His secret ambition on arriving in Paris was to become a successful playwright. But some highly placed relatives of his, the Darus, obtained an appointment for him as second lieutenant in the French military forces stationed in Italy. This led him to discover Piedmont, Lombardy, and the delights of Milan. The culture and landscape of Italy were the revelation that was to play a psychologically and thematically determining role in his life and works. In 1802 the 19-year-old Henri Beyle was back in Paris and at work on a number of literary projects, none of which he completed. He dreamed of becoming a modern Molière, enrolled in drama classes, worked at ridding himself of his provincial accent, and fell in love...

Keeled → Inglise keel
5 allalaadimist
Balanced Diet Healthy Lifestyle
26
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Balanced Diet Healthy Lifestyle

Balanced Diet Healthy What is Balanced Diet??? A diet that contains adequate amounts of all the necessary nutrients required for healthy growth and activity. A balanced diet contains sufficient amounts of fiber and the various nutrients to ensure good health. Food should also provide the appropriate amount of energy and adequate amounts of water. A balanced diet should be both Why is a balanced diet important??? It is essential for a healthy body and a healthy mind. You are what you consume! A balanced diet is important to maintain health and a sensible body weight. No single food will provide all nutrients it is essential for a balanced diet that it must contain sufficient amount of nutrients such as carbohydrates, fat, vitamins, minerals etc. Improper diet may result in... · Failure to flourish · Poor growth · Poor development · Poor physical and mental health · Infectio...

Keeled → Inglise keel
7 allalaadimist
Itaalia referaat
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Itaalia referaat

Itaalia Vabariik Referaat Erik Salm Paide Ühisgümnaasium 2007 Itaalia Vabariik ISO 2-täheline kood: IT ISO 3-täheline kood: ITA Lipp: Vapp: Kaart: Geograafiline asend Itaalia Vabariik on riik Lõuna-Euroopas. Itaalia asub 800 km Vahemerre ulatuval saapakujulisel Apenniini poolsaarel. Põhjapoolne piirkond on mägine. Loodusliku piiri moodustavad Alpid. Maastik on suurte mägede ja sügavate orgude rohke. Itaaliale kuuluvad kaks Vahemere suurimat saart ­ Sitsiilia ja Sardiinia - ning hulk väiksemaid saari. Põhjas on Itaalial maismaapiir Austria (430 km), Prantsusmaa (488 km), Sloveenia (232 km) ja Sveitsiga (740 km). Rannajoone pikkus on 7600 km. Enklaavina asuvad Itaalia territooriumil iseseisvad San Marino ja Vatikani riigid. Satelliitfoto Itaaliast Faktid: Pealinn: ...

Geograafia → Geograafia
145 allalaadimist
Physical hazards konspekt
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Physical hazards konspekt

Inconvenient Non-ionizing indoor climate Poor radiation lighting (magnetic fields) PHYSICAL HAZARDS Risk of fire and Noise in the working environment: electrical shock Physical Part I – Inconvenient indoor hazards Risk from climate ...

Ergonoomika → Ergonoomika
3 allalaadimist
Art-based learning
3
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Art-based learning

Art-based learning We can see that art-based learning is not a regular method in school. Although I barely can understand why. It seems to me, that it is rather interesting way of learning. I also would like to point out, that childrens emotional memory is strong and pleasant things will be understood and remembered more. Therefore I would like to discribe the method thoroughly. Only in the past few hundred years has reading been the primary way of teaching religion. For centuries, religious education relied on hearing and seeing. Religious education can benefit by returning to the ages-old methods of hearing and seeing to complement reading. This method enables you to make the old learning way-seeing available for the students nowadays.It is about deepening our understanding of faith. In times past, when people could not read, it was through pictures that they came to realize the glory of God's world and the meaning of the Bible(http:/...

Keeled → Inglise keel
3 allalaadimist
Estonia topic
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Estonia topic

Introduction Estonia, officially the Republic of Estonia (Estonian: Eesti or Eesti Vabariik) is a country in the Baltic region of Northern Europe. It is bordered to the north by Finland across the Gulf of Finland, to the west by Sweden across the Baltic Sea, to the south by Latvia (343 km), and to the east by the Russian Federation (338,6 km). The territory of Estonia covers 45,227 km² and is influenced by a temperate seasonal climate. The Estonians are a Finnic people closely related to the Finns, with the Estonian language sharing many similarities to Finnish. The modern name of Estonia is thought to originate from the Roman historian Tacitus, who in his book Germania (ca. AD 98) described a people called the Aestii. Similarly, ancient Scandinavian sagas refer to a land called Eistland, close to the German term Estland for the country. Early Latin and other ancient versions of the name are Estia and Hestia. Until the late 1930s, the ...

Keeled → Inglise keel
47 allalaadimist
Nägemis taju-Gibson VS Gregory
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Nägemis taju, Gibson VS Gregory

05144023 Compare and contrast the `direct` perception theory of Gibson with the `constructivist` perception theory of Gregory. Which provides a better account of human perception? Sensation involves physical stimulation of the sense organs, while perception is the organisation and interpretation of incoming sensory information. The Gestalt theorists first identified many of the principles that dominate in human visual perception. As Dowell (1995) has observed: "To perceive seems effortless. To understand perception is nevertheless a great challenge" (cited in Gross, 2005, pp 244). This essay will look at Gregory's theory and Gibson's theory of visual perception whether one or the other offers a better explanation of human visual perception. According to top-down perceptual processing theorists, perception is the end result of an indirect process that involves making inferences about the ...

Psühholoogia → Psühholoogia
14 allalaadimist
Public Administration and Innovation
26
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Public Administration and Innovation

Preparing for exam. Focus areas Defining innovation ● “An innovation is an idea, practice, or object that is perceived as new by an individual or other unit of adoption.” (Rogers 1952) ● CIS survey: “Product innovations must be new to your enterprise, but they do not need to be new to your market”. ● “Companies achieve competitive advantage through acts of innovation. They approach innovation in its broadest sense, including both new technologies and new ways of doing things” – (Porter 1990) ● “An innovative business is one which lives and breathes “outside the box”. It is not just good ideas, it is a combination of good ideas, motivated staff and an instinctive understanding of what your customer wants” – (Branson 1998) ● “...novel implementation of an invention, discovery, new or existing knowledge in economic process” (Joseph A. Schumpeter) ● An innovation is the implementation of a new or si...

Varia → Public Administration
5 allalaadimist
Inglise keel unit 5 answers
276
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Inglise keel unit 5 answers

1. (a) (i) gene length of DNA; codes for a (specific), polypeptide / protein / RNA; max 1 allele alternative form of a gene; found at a, locus / particular position on, a chromosome; max 1 (ii) assume allele refers to coat colour allele (coat colour) gene / alleles, only on X chromosome; A no (coat colour), gene / allele, on Y chromosome male cats, XY / only have one X chromosome; males have only one (coat colour) allele / cannot have two (coat colour) alleles; need black and orange alleles for tortoiseshell colour; 2 r r w w (b) parental genotypes C C × C C ; r w ...

Keeled → Inglise keel
13 allalaadimist


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