Leidsid 33 sarnast õppematerjali, mis on seotud failiga "Laboratory work no.1 english". Need materjalid aitavad sul teemat sügavamalt mõista.
solution, filter, sand, compound, salt, actual, glass, funnel, paper, wall, figure, result, cylinder, place, density, given, fill, again, wash, 0197, solid, constant, dissolve, while, pour, along, touch, times, through, once, rinse, results, experiment, volume, error, work, differences, sodium, dried, weight, equipment, stir, fold, half, corner, evenlyAim Determination of total and carbonate hardness of tap water using titration technique. Eliminating total hardness with a Na+ ion-exchange softener. Reagents 0.1 M hydrochloric acid, 0,025 M and 0,005M trilon-B solution, buffer solution (NH4Cl + NH3∙H2O), indicators methyl red (mr) or methyl orange (mo) and chromogen black ET-00. Apparatus Conical flasks (250 ml, 500 ml), measuring cylinder (25 cm 3), burette (25 cm3), pipettes (100 cm3). Experimental Procedure A Determination of carbonate hardness 1. Rinse the 100 cm3 pipette 2...3 times with a small amount of the test water. Wash the conical flask with distilled water. Pipette 100 cm 3 of the test water and transfer it into the conical flask, add 3..
Aim of the work The determination of the concentrations of acid and base solutions through titration. Used compounds HCl solution with an unknown concentration. NaOH solution with a known accurate concentration, indicators phenolphthalein (ff/pp) and methyl red (mp/mr). Equipment Conical flasks (250 cm3), 2 burettes (25 cm3), pipette (10 cm3). Procedure A. Determining the concentration of a hydrochloric acid solution through titration 1. To determine the concentration of the acid solution take the NaOH solution with a known concentration (the standard solution) and pour it into the burette (α in figure 2.2). See that there are no air bubbles near the tip. Fill the burette until the 0-point of the scale. When measuring the level of the solution keep your eyes at the same level with the liquid level. The lower edge of the liquid level has to be at the 0 calibration mark (see figure 2.1).
Aim Determining the identity of an unknown metal. Measurement of gas volume, calculations with gases based on reaction equations. Substances 10% solution of hydrochloric acid, 5,0...10,0 mg piece of a metal. Equipment Apparatus for measuring the volume of gas, measuring cylinder (25 cm 3), funnel, filter paper, thermometer, barometer and hygrometer. Experimental procedure 1. The experimental apparatus (Figure 1) consists of two burettes connected with a rubber hose (a), which is filled with water. One burette is connected to a test tube (b), in which the metal reacts with the acid. 2. Preparation for the experiment. Remove the test tube and wash it carefully with distilled water. Firmly attach the test tube back
m R × T ×m P× V = × R ×T M = M P× V 3 Pa× m 8,14 ×293,5 k × 0,56 g mol × K g M CO = -3 3 =4 1,41 2 103550 Pa× 0,312 ×10 m mol IV Error calculation 7. Calculate the systematic error using the actual molar mass of CO2 44,0 g/mol and the molar mass found by the experiment M(CO2). =44,0 [ ] g mol -M CO 2 The relative systematic error = 2 [ ]
Aim To familiarize oneself with some more common instances of corrosion. Reagents Hydrochloric acid 0.1 M; sulphuric acid 0.1 M; zinc and aluminium granules; copper wire; solution of copper(II) sulphate; solution of copper(II) chloride; solution of iron(II) sulphate; solution of potassium hexacyanoferrate(III); zinc-plated iron sheet; tin-plated iron sheet; iron paper clips; solid NaCl; urotropin. Equipment Test tubes, small beaker (50 cm3), centrifuge tube. Experiments 1. Making of a galvanic pair 1.1. Place a zinc granule on the bottom of the centrifuge tube and pour solution of hydrochloric acid on top. Write down the equation of reaction which occurs. Which compound is the oxidant, which is the reductant?
However, the method was deficient, because after switching off the electric current, formed during electrophoresis zones have "blurred". Subsequent achievements in electrophoresis associated with the stabilization establishment of zones in the solid support medium. So, in 1950, as a solid carrier scientists began to use a filter paper, in 1955 it was proposed to use starch, and already in 1957, Cohn proposed to use as the solid support the films of cellulose acetate, which still remains one of the most commonly used carriers at clinical studies. Almostly the same time has been developed a method in which agarose is used as the basis.
The bottom tanks are provided with sounding equipment for checking the amount of oil in the tanks. Sounding can always be carried out by using a dipstick. If the engine uses heavy fuel oil, the bottom tanks must have heating coils, because the viscosity of the oil is often so high that the transfer pump is unable to suck the oil up from the tanks. The transfer pump which can, for example, be a gear pump or a screw pump, sucks fuel oil through a coarse filter and feeds it to one of two settling tanks. The fuel oil is heated in the settling tanks up to 80 - 90º C to allow some water and sludge to settle out by gravity and be drained off. The fuel is then passed through the purification system and discharged to a service tank. Two centrifuges are required to be used in a large engine. The first acts as a purifier to remove water, soluble, sludge etc while the second acts as a clarifier to remove solids.
Chapter 1 Routine maintenance and servicing 1 Contents Air cleaner element renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Fuel filter renewal - fuel injection engines . . . . . . . . . . . . . . . . . . . .36 Alternator drivebelt check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Hinge and lock check and lubrication . . . . . . . . . . . . . . . . . . . . . . .31 Automatic transmission fluid level check . . . . . . . . . . . . . . . . . . . . .27 Idle speed and mixture adjustment . . . . . . . . . . . . . . . . . . . . . . . . .10 Automatic transmission selector mechanism check
Handbook of Meat Processing Handbook of Meat Processing Fidel Toldrá EDITOR A John Wiley & Sons, Inc., Publication Edition first published 2010 © 2010 Blackwell Publishing Blackwell Publishing was acquired by John Wiley & Sons in February 2007. Blackwell’s publishing program has been merged with Wiley’s global Scientific, Technical, and Medical business to form Wiley-Blackwell. Editorial Office 2121 State Avenue, Ames, Iowa 50014-8300, USA For details of our global editorial offices, for customer services, and for information about how to apply for permission to reuse the copyright material in this book, please see our website at www.wiley.com/ wiley-blackwell. Authorization to photocopy items for internal or personal use, or the internal or personal use of specific clients, is granted by Blackwell Publishing, provided that the base fee is paid directly to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923. F
Nu Nusselt number q Heat J Q Heat transfer rate J·s-1 U Heat transfer coefficient W·m-2·K-1 T Temperature difference K Tlm Log mean temperature difference K x Thickness of coil wall m lv Length of the square bath side m L Length of the agitator blade m N Agitator speed rps Viscosity of water at wall temperature Pa·s Viscosity of water Pa·s k Thermal conductivity of water in the bath W·m-1·K-1
Copyright © 2001 by Butterworth–Heinemann A member of the Reed Elsevier group All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Recognizing the importance of preserving what has been written, Butterworth–Heinemann prints its books on acid-free paper whenever possible. Library of Congress Cataloging-in-Publication Data Ball, Stuart R., 1956– Analog interfacing to embedded microprocessors : real world design / Stuart Ball. p. cm. ISBN 0-7506-7339-7 (pbk. : alk. paper) 1. Embedded computer systems—Design and construction. 2. Microprocessors. I. Title. TK7895.E42 .B33 2001 004.16—dc21 00-051961 British Library Cataloguing-in-Publication Data
formaldehyde. At home, formaldehyde is produced by cigarettes and other tobacco products, gas cookers, and open fireplaces. It is also used as a preservative in some foods, such as some types of Italian cheeses, dried foods, and fish. Formaldehyde is found in many products used every day around the house, such as antiseptics, medicines, cosmetics, dish-washing liquids, fabric softeners, shoe-care agents, carpet cleaners, glues and adhesives, lacquers, paper, plastics, and some types of wood products. Some people are exposed to higher levels of formaldehyde if they live in a new mobile home, as formaldehyde is given off as a gas from the manufactured wood products used in these homes. Formaldehyde is used in many industries. It is used in the production of fertilizer, paper, plywood, and urea-formaldehyde resins. It is present in the air in iron foundries. It is also used in the
2 11. How much does the humane body radiate? Estimate surface area A = 1.5 m , e = 0.70 H = e A T 4 If the body temperature = 37 ºC = 37 +273 = 310 K, 2 surface area A=1.5 m , emissivity e = 0.70 = Stefan Boltzmann constant = 5.67 x 10-8 W m-2 K-4 H = 0,70 5,67 10 -8 1,5 (310) 4 550 W 12. How much energy do we expend when we drink a glass of cold water and does that energy expenditure lead to weight loss if we drink more and more cold water? A dieter's Calorie is the amount of energy to heat 1 kilogram of water 1 degree C. If the water was 10 degrees C colder than body temperature and the person drank 0.5 liter of water, that person might expend about 5 Calories by drinking that glass of cold water. If a person used water to reduce weight, I am sure that some of the water would be absorbed by
while pentane and heavier ones are in the form of liquids or solids. However, in an underground oil reservoir the proportions of gas, liquid, and solid depend on subsurface conditions and on the phase diagram of the petroleum mixture. An oil well produces predominantly crude oil, with some natural gas dissolved in it. Because the pressure is lower at the surface than underground, some of the gas will come out of solution and be recovered (or burned) as associated gas or solution gas. A gas well produces predominantly natural gas. However, because the underground temperature and pressure are higher than at the surface, the gas may contain heavier hydrocarbons such as pentane, hexane, and heptane in the gaseous state. At surface conditions these will condense out of the gas to form natural gas condensate, often shortened to condensate. Condensate resembles petrol in appearance and is similar in composition to some volatile light crude oils.
Aniliin Õppejõud: Karin Reinhold Üliõpilane: Kood: 000000 Tallinn 2012 1. Introduction Aniline (also known as phenylamine or aminobenzene) is an organic compound with the formula C6H5NH2. Consisting of a phenyl group attached to an amino group, aniline is the prototypical aromatic amine. The largest application of aniline is for the preparation of methylene diphenyl diisocyanate. The majority of aniline serves this market. Other uses include rubber processing chemicals (9%), herbicides (2%), and dyes and pigments (2%). Illustrative of the drugs prepared from aniline is paracetamol
expressed in inch/inch or in percent.) 42,000 psi). Any further stress 1, is too small to be considered any The behavior of the two kinds of car- increase results in a disproportionally further.) This "elastic limit" is a very bon composite (HM, HT), of Kevlar 49 large increase in strain. Aluminum important point. All structural parts and of the two glass composites begins to "yield" - an experience of an aircraft (or the kitchen table, or (S2,E), is nicely "straight", meaning familiar to all homebuilders, by the the chair, or the children's swing, or that the elongation, or strain, way - with large strain increases for the bridge, or. . .) must be designed increases in proportion with the stress relatively small stress increases. well under this limit. No structural
recreational use/nature reserve; A ref to tourism max 2 [5] 20. release of carbon dioxide; from fungal respiration; available for photosynthesis/carbon fixation; extracellular digestion; named enzyme(s); release of, inorganic substance/minerals/named mineral; R nutrients, nitrogen A nitrogenous compound uptake through, roots/root hairs; named use of mineral in plants; ref. to humus; ref. to beneficial role of humus in soil; e.g. increase water retention, improve soil structure, stabilize soil max 4 [4] 21. (a) (i) sympatric; 1
increase. According to estimates, fossil fuels will be burned up within fifty years. There are large reserves of uranium, and new breeder reactors can produce more fuel than they use. Unfortunately this doesn't mean we can have an endless supply of fuel Breeder reactors need a feedstock of uranium and thorium, so when we run out of these two fuels (in about 1000 years), breeder reactors will cease to be useful. This is still a more lengthy solution to the current burning of coal, gas, and oil. · Reliability Nuclear power plants need little fuel, so they are less vulnerable to shortages because of strikes or natural disasters. International relations will have little effect on the supply of fuel to the reactors because uranium is evenly deposited around the globe. One disadvantage of uranium mining is that it leaves the residues from chemical processing of the ore, which leads to radon exposure to the public
book is 85 to 90 per cent. Yet it is not exhaustive. A foolish secrecy still clothes much of World War II cryptology—though I believe the outlines of the achievements are known—and to tell just that story in full would require a book the size of this. Even in, say, the 18th century, the unexplored manuscript material is very great. Nor is this a textbook. I have sketched a few methods of solution. For some readers even this will be too much; them I advise skip this material. They will not have a full understanding of what is going on, but that will not cripple their comprehension of the stories. For readers who want more detail on these methods, I recommend, in the rear of this book, some other works and membership in the American Cryptogram Association. In my writing, I have tried to adhere to two principles. One was to use primary sources as much as possible
and the specimens are conducted under mutual transient touching. As a consequence, unlike the Martindale method, the rubbing for the samples is random. Whichever is the device (Martindale or Pilling Box), the final result consists of abraded fabrics to be assessed in terms of pilling. This is performed by skilled operators (experts) comparing the specimens, after a predefined number of cycles performed by the testing equipment, with visual standards (which may be actual fabrics samples or photographs). On the basis this comparison, the experts define the resistance to pilling using the so called “degree of pilling” [1] i.e. an index varying on a scale ranging from 5 -which means no pilling- to 1 -which means very severe pilling (see Table 1). 6 TABLE 1. degree of pilling.
Support good science-- 10% of all author royalties are donated to cure-driven research, including the excellent work of St. Jude Children's Research Hospital. LIST OF ILLUSTRATIONS GROUND ZERO--GETTING STARTED AND SWARAJ Comparison of Methods for Estimating % Bodyfat Male Examples--Bodyfat Female Examples--Bodyfat Ramit Sethi's Betting Chart Weight Glide Path SUBTRACTING FAT Comparison of Dietary Fats and Oils Air Squats Wall Presses Chest Pulls Ray Cornise's Fat-Loss Spreadsheet Continuous Glucose Monitor Glucose Trend: Ferriss, Tim Modal Day: Ferriss, Tim Glucose Trend, September 25 Glucose Trend, September 26 Testosterone and Nandrolone ADDING MUSCLE The Kettlebell Swing Touch-and-Go Deadlifts Two-Legged Glute Activation Raises Flying Dog The Myotatic Crunch Abdominal Muscles Cat Vomit Exercise Front Plank Side Plank Hip Flexor Stretch Alpha-Actinin 3 (ACTN3)
Intragenomic Profiling Using Multicopy Genes: The rDNA Internal Transcribed Spacer Sequences of the Freshwater Sponge Ephydatia fluviatilis Liisi Karlep, To~nu Reintamm, Merike Kelve* Department of Gene Technology, Tallinn University of Technology, Tallinn, Estonia Abstract Multicopy genes, like ribosomal RNA genes (rDNA), are widely used to describe and distinguish individuals. Despite concerted evolution that homogenizes a large number of rDNA gene copies, the presence of different gene variants within a genome has been reported. Characterization of an organism by defining every single variant of tens to thousands of rDNA repeat units present in a eukaryotic genome would be quite unreasonable. Here we provide an alternative approach for the characterization of a set of internal transcribed spacer sequences found within every rDNA repeat unit by implementing direct sequencing methodology. The prominent allelic variants and their relative amounts c
Appendices to the report contain supporting information with the details needed by a reader who wishes to fully understand the design. While this document describes the general content and organization of a design report, some of the specifics (section headings, length, and format) may be determined by your project client. Before You Begin Some basics that you need to understand before starting to write the report. Definition: A design report documents the solution to a unique problem. Purpose: To communicate the solution to a problem. Audience: Anyone who has to implement your design, understand your design, or reference your design to solve their own problem. Typically, this is the project client. While the client may be familiar with the project, the report is still written as though the client is new to the project because that is the best way to tell the whole story.
...................................................... 25 4 The Library’s Structural System....................................................... 25 5 Denver Art Museum ......................................................................... 27 6 Complex Steel Skeleton.................................................................... 28 7 Structural Steel Wireframe Model .................................................... 32 8 Curtain Wall Intersection Details ..................................................... 34 9 Detailing Tekla Model ...................................................................... 35 10 Seele’s CNC Manufacturing Equipment .......................................... 37 11 Point Cloud From the Laser Scanner ................................................ 38 12 Scanned Diagonal Steel .................................................................... 38
a feedstock(a raw material used to make other products). 11 Picture 2.9. Sources of used for industry and manufacturing Every industry uses energy, but there are a handful of energy-intensive industries that use the bulk of the energy consumed by the industrial sector. The chemical industry is the largest industrial consumer of energy, followed closely by petroleum refining. The refining, chemical, paper and metal industries together use: · 94% of the feedstock · 92% of the byproduct energy · 70% of total inputs of energy for heat, power, and electricity generation Picture 2.10. Energy use by type of industry 2.6 Transportation Energy Use America is a nation on the move. About 28 percent of the energy we use goes to transporting people and goods from one place to another. Cars, vans, and buses are commonly used to carry people
................................................................71 5.4 CONCLUSION ..................................................................................................................................73 CHAPTER 6- CONCLUSION .............................................................................................................74 6.1 ANSWERS TO QUESTIONS ................................................................................................................74 6.3 SOLUTION FOR ESTONIAN CONSTRUCTION INDUSTRY .....................................................................77 6.4 ACKNOWLEDGMENT .......................................................................................................................77 6.5 SUMMARY IN ESTONIAN .................................................................................................................78 6.6 BIBLIOGRAPHY .........................................................................................
Mart's product demand, which helped P&G manufacture its products more efficiently. To get your supply chain partners to agree to collaborate with you, you have to be willing to compromise and help them achieve their own goals. 2. Internal resistance to change:- If selling supply chain systems is difficult on the outside, it isn't much easier inside. Operations people are accustomed to dealing with phone calls, faxes and hunches scrawled on paper, and will most likely want to keep it that way. If you can't convince people that using the software will be worth their time, they will easily find ways to work around it. You cannot disconnect the telephones and fax machines just because you have supply chain software in place. 3. Many mistakes at first:- There is a diabolical twist to the quest for supply chain software acceptance among your employees. New supply chain systems process data as
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 lot of energy inside them. Physics of wave energ
As with other non-leguminous grain crops, nitrogen is usually the first limiting factor for yield. Medium to high levels of macronutrients are usually required for good plant growth. Sunflower stover contains a large proportion of these elements, which means sunflower is relatively inefficient in the use of these elements. However, most of these nutrients are returned to the soil with the stover. Sunflower is low in salt tolerance but is somewhat better than fieldbean or soybean in this respect. Corn, wheat, rye and sorghum are rated medium, and sugarbeet and barley are high in salt tolerance. Good soil drainage is required for sunflower production, but this crop does not differ substantially from other field crops in flooding tolerance. V. Cultural Practices: A. Seedbed Preparation: Many different tillage systems can be used effectively for sunflower production.
predecessors. Public water supply was the most significant aspect of Roman civil engineering: nothing like it had been achieved before nor was it to be emulated until the 19th century. Structural evolution achieved by Roman engineers is manifest in aqueducts, dam construction, and highway bridges that relied on the development of concrete, and a growing awareness of its strength. The Romans mixed a cement, pozzolana, found near the Italian town of Pozzuoli (ancient Puteoli), with lime, sand, and water to form a mortar that did not disintegrate when exposed to water. It was used as a binder in piers and arch spandrels, and mass-formed in foundations. Coffer dams (temporary enclosures built in river beds to keep the water out while the foundations were established) were made by driving timber piles into the river bed, removing water from the area enclosed, and then excavating the soft ground inside. Despite the use of coffer dams, Roman bridge
Chemical resistance m/s Chemical Resistance ABS offers high chemical resistance Chemical resistance charts are a guide only Contaminated fluids can be highly corrosive Stress test recommended Preferred material for sewage treatment processes Ultra Violet Resistance ABS is suitable for outdoor installation Surface discolouration occurs only to a depth of 25m Structure of pipe wall is not weakened Glossy appearance changes to light grey Maintenance is reduced as there is no need to paint Questions? Thermoplastic Piping Design Comparison to Steel Thermal: Comparison with Expansion/Contraction GRP Cold Cut & Pull Codes & Standards Unsustained Loads Hydraulic Analysis Wind Selection of Pipe Earthquake Class Ship Pitch & Roll
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..................................................................................................... Healt
5. Implement the decision, evaluate performance, and learn. Steps 1-4 are collectively referred to as planning. Planning comprises selecting organization goals, predicting results under various alternative ways of achieving those goals, deciding how to attain them. Most important planning tool is budget, quantitative expression of a proposed plan of action by management and is an aid to coordinating what needs to be done to implement that plan. The comparison of actual performance to budgeted performance is the control or post decision role of information. Control comprises taking actions that implement planning decisions, deciding how to evaluate performance, and providing feedback and learning to help future decision making. Chapter 2 - Cost terms and purposes. Direct costs of a cost object are related to the particular cost object and can be traced to it in an economically feasible (cost-effective) way.
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