VÄÄVEL Sulphur Väävel · Mittemetall · Tähis S · Asend: VI A rühm ja 3 periood. · Halb elektri- ja soojusjuht. · Aktiivne element · Vees lahustub halvasti · Sulamistemperatuur: +119°C · Looduses lihtainena kollane ja rabe. · Pulbriline väävliõis · Tükiline kangväävel Väävli asukoht tabelis Aatom Elektronskeem: S + 16 | 2)8)6) Elektronvalem: 1s22s22p63s23p4 Allotroopsed teisendid: 1.Rombline väävel S8, vees ei lahustu 2.Monokliinne väävel S8, tekib sula väävli jahtumisel 3.Plastiline väävel Keemilised omadused · Reageerib hapnikuga O2 + S = SO2 (hapnik + väävel=vääveldioksiid) Kasutatakse pisikute tapmiseks · Reageerib vesinikuga S + H2 = H2S (väävel +vesinik=divesiniksulfiidhape) · Reageerib metalliga 2Al + 3S = Al2S3 (alumiinium+väävel=alumiiniumsulfiid) VÄÄVEL Väävli kasutamine · Värvainete valmistamisel · R...
Leht1 Vesinik H Hydrogenium Heelium He Helium Liitium Li Lithium Berüllium Be Beryllium Boor B Boron Süsinik C Carboneum Lämmastik N Nitrogenium Hapnik O Oxygenium Fluor F Fluorum Neoon Ne Neon Naatrium Na Natrium Magneesium Mg Magnesium Alumiinium Al Aluminium Räni Si Silicium Fosfor P Phosphorus Väävel S Sulphur Kloor Cl Chlorum Argoon Ar Argon Kaalium K Kalium Kaltsium Ca Calcium Raud Fe Ferrum Baarium Ba Barium Kroom Cr Chromium Magnaan Mn Manganese Vask Cu Cuprum Hõbe Ag Argentum Plii Pb Plumbum Nikkel Ni Nickel Kuld Au Aurum Lehekülg 1
1.13 10.1.13 National emblem White eagle in a crown against a red background 10.1.13 POLAND in brief Capital: Warsaw Language: Polish Population: 38 million Currency: 1 zlot Area: 312,685 km2 Political system: Parliamentary democracy 10.1.13 President Premier Minister Lech Kaczynski Donalt Tusk 10.1.13 Natural resources Poland's most important natural resources are hardcoal and lignite, copper, zinc and lead ores, silver, sulphur, salt, rock salt, building stone, natural gas and oil. 10.1.13 POLL Do you think Poland is touristsfriendly country? Yes 66% No 16% I don't know 18% 10.1.13 Thank you 10.1.13
Jood Iodum I ii Kloor Chlorum Cl kloor Lämmastik Nitrogenium N enn Räni Silicium Si siliitsium Süsinik Carboneum C tsee Vesinik Hydrogenium H haa Väävel Sulphur S ess KEEMILISTE ELEMENTIDE NIMETUSED, TÄHISED (SÜMBOLID) METALLID Keemiline element Keemilise elemendi Keemiline tähis Hääldatakse keemilises eesti keeles ladinakeelne nimetus valemis Alumiinium Aluminium Al alumiinium
Ozone layer is damaged · Using different sprays · Increase of UV-rays · Ozone friendly products · Burning rubber and other (causes cancer) · Campaigns to make people plastics · There is no life possible on aware of dangers · Factories produce sulphur the Earth without ozone layer Depletion of natural resources · Misusage of natural · Loss of luxurity · Using renewable resources resources · Big changes in our life · Recycling re-usable
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 air pollution. When the wind blows, then it carries the pollution with him. Futhermore, the rain reduces the pollution. Air pollutants such as ozone, nitrogen oxides, and sulphur dioxide also have harmful effects on natural ecosystem. A clean air supply is essential to our own health and that of the environment. But since the industrial revolution, the quality of the air we breathe has deteriorated considerably - mainly as a result of human activities. The pollutant emissions from road vehicles are regulated separately for light-duty vehicles (cars and light vans) and for heavy-duty vehicles (trucks and buses). It is located in the atmosphere, air
Naatrium Na Natrium 11 1 3 Magneesium Mg Magnesium 12 2 3 Alumiinium Al Aluminium 13 3 3 Räni Si Silicium 14 4 3 Fosfor P Phosphourus 15 5 3 Väävel S Sulphur 16 6 3 Kloor Cl Chlorum 17 7 3 Argoon Ar Argon 18 8 3 Kaalium K Kalium 19 1 4 Kaltsium Ca Calcium 20 2 4 Kuld Au 79 1 6
Rhodia said are working on plans to develop biogas in Thailand and Malaysia and had begun three projects in China and Vietnam. Areas where biogas is used in Usage in Heating: acquired biogas is burned by a burner and the gained heat is used in houses, animal stables, greenhouses and inside the facility. Biogas stoves, hot water cauldrons or steam cauldrons are generally used in this system. The biogas purification before usage is important to eliminate corroding hydrogen sulphur (H2S) and carbon dioxide. Usage in Cooking: Biogas can be used in kitchens, as fuel for ovens and stoves using LPG (Liquefied Petroleum Gas). Usage in Lighting: Biogas can be used in LPG-using lamps by burning directly and also by transforming into electricity. The efficiency level is low like 3% when burning. Preparing Hot Water: We can use biogas to provide hot water at home and industrial need and also for geyser and other water heater systems.
microscope and that maintain a more or less constant presence in a particular area that includes bacteria, viruses, protozoa and fungi. Soil microflora more specifically, consists the following microorganisms (Bhatt et al. 2013): 1. Bacteria a) Heterotrophic bacteria, eg. symbiotic and non - symbiotic N2 fixers, ammonifier, cellulose decomposers, denitrifiers b) Autrotrophic bacteria, eg. nitrosomonas, nitrobacter, sulphur oxidizers, etc; 2. Fungus; 3. Viruses 4. Actinomycetes and stretomyces; 5. Algae eg. BGA, yellow gree algae, golden brown algae. The soil microflora largely depends on the type of soil, temperature, moisture, plant growth, nutrients, pH, and many other factors which may vary between locations but also within a single plot and over very small distances (OECD, 2007). Nevertheless of the quantity of
Upward pressures from transport costs and seasonal food were balanced by less marked recoveries from sales compared with last year for some product groups. Transport costs rose this year as airfares, particularly European and domestic, increased in February. A small upward contribution came from seafares as special offers on some routes recorded a year ago were not repeated in 2005. Fuel prices also rose in February with an average increase of 0.6p per litre on ultra low sulphur petrol. Another large upward effect came from seasonal food with poor weather reported to have restricted continental supplies of salad items leading prices to rise in February. Offsetting downward effects came from a number of commodity groups. February recoveries from sales for furniture and household equipment were not as strong as a year ago, particularly for most furniture items, producing a large downward effect on the CPI annual rate.
Bermuuda kolmnurk ja infraheli Bermuuda Kolmnurk, mida kutsutakse ka Saatana Kolmnurgaks või Saatana Mereks, on peaaegu 1.5 miljoni ruutmiili (1.2 miljoni ruutkilomeetri) suurune piirkond Atlandi Ookeanis. Pisut loperguse kolmnurgakujulise ala tippudeks on Florida poolsaar, Bermuda saared ja Puerto Rico. Väidetavasti olla sellel alal mingi müstiline võime neelata laevu, lennukeid ja paate nii , et nende kadumise põhjustest ei jää vähimaidki jälgi. Legendi järgi on selles piirkonnas hukkunud erakorraliselt palju laevu ja inimesi. Kui palju täpselt sõltub sellest kui suurt ala arvestada ka mis ajahetkest õnnetusi lugeda. Arvamused müstilise piirkonna suuruse üle kõiguvad 500,000 ruutmiili ja 1.5 miljoni ruutmiili vahel. Mõnede hinnangul algas selle piirkonna müsteerium juba Kolumbuse ajal . Igal juhul hinnatakse, et viimase 500 aasta jooksul on selles piirkonnas juhtunud 200-1000 õnnetust . Howard Rosenberg...
thrives as it is touched by other cultures and other traditions. In 2006, in the Canadian Census, 4.7 million Canadians reported that they were of Scottish origin. Today, there are almost as many Scots Canadians as there are people in the whole of Scotland. 12. Which important minerals are found in Alberta? Canada is abundant in many mineral resources — mined in every province and territory — and a world leader in the production of potash, aluminum, nickel, salt, sulphur and uranium, among others. Today, Canada is the leading producer of potash and is estimated to rank in the top five global producers of aluminum, diamonds, cobalt, nickel, platinum, tungsten, uranium and sulphur Alberta is the country's largest producer of crude oil and gas products (especially natural gas) 13. Which is the main crop grown in the Prairie Provinces? The main crop is wheat, but barley, brassica, canola, and oats are also cultivated. 14
habemeajajate, soolapuhujate, posijate, ennustajate kogemustele. Paracelsuse iatrokeemia kui omamoodi teoreetiline õpetus oli aga lihtsalt meditsiinilise suunitlusega alkeemia. See lähtus tria prima`st: elavhõbedast(mercurium`ist) kui lendvuse algest, väävlist (sulphur`ist) kui põlevuse algest ja soolast kui kõvaduse algest, mida alkeemias metallide algetena käsitleti. Paracelsuse õpetuse jätgi koosneb ka inimorganism tria prima`st, kusjuures mercurium on spiritus (vaim), sulphur anima (hing), sool corpus (keha). Peale organismis kõigi funktsioonide vaimne regulaator archeus, mis asub maos ja mille haigestumisel organism kaotab tasakaalu. Tasakaalu saab taastada alkeemilisel, s. t. maagilisel ja keemilisel teel. Ravimina on seejuures tähtis alkeemiliselt saadav imepärase toimega kvintessents (quita essentia). Siiski tuleb tõdeda, et praktikas ei saavutanud iatrokeemia kui meditsiiline alkeemia epiteemiatega
Vajalik eelkõige vanemate veinide puhul. Veini juures hindab hindaja ... värvi, maitset, aroomi, viimistlust, üldist välimust ja kvaliteeti Mida tähendavad veinipudeli etiketil: cabernet sauvignon - viinamarjasort 1995 veini sünniaasta chateau la Petrus - veinimõis A.C. - kvaliteet ja karakter vastavad tema päritolu geograafilisele keskkonnale, (Appellation Contr'olee) brut kuiv cava ekstra dry kuiv, suhkruta demi sweet - poolmagus consist sulphur sisaldab väävlit late harvest hiline korje dolce - magus seco -kuiv methode champenoise vana traditsiooniline sampanja valmistamise viis, Champagne maakonnas cava sampanjameetodil valmistatud vahuvein noble rot väärishallitus Piirkonna kvaliteeditähised: ·D.O (Denominacion de Origen) - määratletud algupäraga veinid, pärinevad 50-st kvaliteetveinipiirkonnast ja peavad vastama oma piirkonna tarvis kehtestatud nõuetele. · D.O
after they had taken over. In 1966 Salam Arif, the leader of the new Ba'athist government, died and his brother, Abdul Rahman Arif, not a Ba'athist, assumed the presidency. Some believe that Robert Anderson, former secretary of the treasury under President Dwight D. Eisenhower, secretly met with the Ba'ath Party and came to a negotiated agreement according to which both the oil field concessions and sulphur mined in the northern part of the country would go to United States companies if the Ba'ath again took over power. In 1968, General Ahmed Hassan al-Bakr of the Ba'ath Party was installed as the new president. The US broke relations with Iraq in 1967. After al- Bakr seized power, relations remained severed for 16 years and the US made arms sales to Iraq illegal. In June 1972 all foreign businesses including the Iraq Petroleum Company were seized and
This disaster exposed millions of people to radioactive isotopes. It has been linked many forms of cancer in natives of eastern Europe and Russia, as well as destroying animals and plants. December 1993, the total number of nuclear power plants in the United States is 109, collectively producing 610 billion kWhs of electricity. Nuclear power today Nuclear power is the world's largest source of emission-free energy. Nuclear power plants produce no controlled air pollutants, such as sulphur and particulates, or greenhouse gases. The use of nuclear power in place of other energy sources helps to keep the air clean, preserve the Earth's climate, avoid ground-level ozone formation and prevent acid rain. Nuclear power has important implications for our national security. Inexpensive nuclear power, in combination with fuel cell technology, could significantly reduce our dependency on foreign oil. Nuclear power plants have experienced an admirable safety record
plants need nitrate; for, amino acids/protein/chlorophyll/DNA; for, new cells/mitosis/new leaves; max 2 (d) (i) chemoheterotrophic; 1 (ii) photoautotrophic; 1 (e) (i) carbon; R CO2 1 (ii) Desulfovibrio, uses sulphur (S)/makes hydrogen sulphide (H2S); green sulphur bacteria, use H2S/make S; colourless sulphur bacteria use H2S; max 2 (f) colourless sulphur bacteria; 1 (g) C. perfringens similar to C. difficile/AW; (bacteria) anaerobic; (tissue damage/poor blood supply) decreases oxygen available;
FIND OUT 5 WAYS HOW TO STOP DEFORESTATION. 7. Ocean Acidification: It is a direct impact of excessive production of CO2. 25% of CO2 produced by humans. The ocean acidity has increased by the last 250 years but by 2100, it may shoot up by 150%. The main impact is on shellfish and plankton. Acid Rain: Acid rain occurs due to the presence of certain pollutants in the atmosphere. Acid rain can be caused due to burning of fossil fuels or erupting volcanoes or rotting vegetation which release sulphur dioxide and nitrogen oxides into the atmosphere. Acid rain is a known environmental problem that can have serious effect on human health, wildlife and aquatic species. FIND OUT 5 WAYS HOW TO REDUCE OCEAN ACIDIFICATION AND 5 WAYS THAT WOULD HELP TO PREVENT ACID RAIN POLLUTION. 8. Water Pollution: Clean drinking water is becoming a rare commodity. Water is becoming an economic and political issue as the human population fights for this resource. One of the options suggested is using
travelled into space and discovered how fragile our planet looks. FROM FIREWORKS TO THE MOON At first glance you might think that there couldn't possibly be anything common between a 13 th century festival in China and the Apollo 11 moon landing in 1969. However, there is a link and that is that they both relied on the use of rockets. The Chinese first developed rockets by filling bamboo tubes with an explosive made from saltpetre, charcoal, and sulphur. The sealed tubes would be thrown onto fires during celebrations because it was thought that the loud explosions would protect them. It was not long before the ancient Chinese realised the military potential of these devices and primitive rockets were used to repel a Mongol invasion in 1232 AD. Word of these new amazing weapons quickly spread around the world and soon rockets were being used in military operations in North Africa and Europe
TOPICS FOR SPEAKING CYLINDER FRAME The cylinder section of the engine consists of a number of cylinder blocks, which are tightened together with the engine frame and the bedplate by means of through- going stay bolts. Two central bores, one at the top and one halfway down inside the cylinder block, enclose the cylinder liner. The upper part of the cylinder block forms part of the cooling water space around the central part of the cylinder liner, whereas the lower part forms the scavenge air space. A central bore in the bottom of the cylinder block encloses the piston rod stuffing box. The bottom is double with a hollow space through which cooling water is circulated. On the exhaust side of the cylinder block there is a circular opening leading into the longitudinal scavenge air receiver of the engine. Furthermore, there is an inlet pipe for cooling and lubricating oil. The cylinder block is provided with cleani...
VI peatükk 6. Konteinerveod Konteiner ei ole mingi uus leiutis. Jutt on teatud tüüpi kauba veol kasutatavast kastist. Võrreldes hariliku kastiga on konteiner varustatud lisaseadmetega, mis võimaldavad konteinerit kasutada ajutise laona. Konteinerite ajalugu sai alguse II maailmasõja ajal kui ameeriklased hakkasid teatud mõõtmetega kaste kasutama varustuse toimetamisel sõjatandrile. Hiljem hakati konteinerite mõõtmeid standardiseerima. Esialgu tegeles sellega ASA (American Standardisation Association), hiljem ISO (International Standardisation Organization). Konteinerite liigitus ja mtmed ISO liigitab rahvusvahelistes vedudes kasutatavad konteinerid 1. seeriasse, mida vastavalt pikkusele märgitakse: 1A 40 jalga (12,19 m) 1D 10 jalga (3,05 m) 1B 30 jalga (9,14 m) 1E 6 2/3 jalga (2,03 m) 1C 20 jalga (6,10 m) 1F 5 jalga (1,52 m) Praktilises kasutuses on ülalmainitutest ainult 20- ja 40-jalased. 2. seeria kont...
Frank L. Polk, counselor of the department and acting secretary in the absence of Secretary of State Robert L. Lansing, telephoned to ask the President to expect him and carried the four typewritten yellow sheets across the street to the White House. Wilson, Polk reported, showed "much indignation" on reading it, and wanted to make it public at once. But he agreed to Folk's suggestion to await Lansing's return from a long weekend. On Tuesday, February 27, Lansing came back from White Sulphur Springs. Polk told him about the Zimmer-mann telegram and showed him an exceptionally long cable of 1,000 codegroups that he had found in the State Department files. It had come for Bernstorff in an American cablegram of January 17 from Berlin and was, Polk felt, almost certainly the coded original. (It was, in fact, the double-decker, which included the Zimmermann telegram.) At 11 that morning, Lansing, armed with this, discussed the whole situation with the President, who, exclaimed "Good Lord
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