Modelling and Design of Direct Solar Steam Generating Collector Fields M. Eck W.-D. Steinmann German Aerospace Center (DLR)‚ Institute of Technical Thermodynamics‚ Pfaffenwaldring 38-40‚ 70569 Stuttgart‚ Germany The direct steam generation (DSG) is an attractive option regarding the economic improvement of parabolic trough technology for solar thermal electricity generation in the ¨ multi megawatt range. According to Price‚ H.‚ Lupfert‚ E.‚ Kearney‚ D.‚ Zarza‚ E.‚ Cohen‚ G.‚ Gee‚ R
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Lab #1 Extraction and Thin Layer Chromatography Kaya Gaudet 6784928 January 9‚ 2013 Line Structure References BenzophenoneBiphenylBenzoic Acid Extraction: A process used to separate different compounds in a mixture based on their solubility in an immiscible substance. Usually an aqueous and organic phase are used. During extraction the desired compound moves one phase and leaves the unwanted substance behind. Extraction normally has to be done a few times to leave all of the impurities
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3.2.4 Genomic DNA extraction of the root tips After the treatment of the onion bulbs with lake water sample at different period of time‚ the DNA from the root tips will be ready to be extracted and observed. First of all‚ the genomic of the Allium cepa will be easily done by the already available Uneasy® Plant Mini kit (Qiagen‚ Germany) in the laboratory. All of the procedures can be performed by referring to the manual provided by the kit. A very small amount of root tips that weigh 100 mg will
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DNA Extraction Lab 1/17/14 Purpose : This lab was conducted in order to show and analyze the way DNA is extracted. Hypothesis: If the lab is conducted properly then we should be able to view a visible amount of DNA from the strawberry and detergent mixture. Variables: The independent variable in this experiment is the strawberry mixture while the dependent
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had a greater impact than steam power? ICT and steam power are both General Purpose Technologies (GPTs); technologies which are pervasive‚ has multiple complementarities and a wide range of productivity effects which affects an entire economy. There are three main groups of beneficiaries: firms‚ workers and customers. The first steam engine was invented in the 1769 however there was a lag from when it was produced to when it was widely used. This was because the steam engine was initially both
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Simple Distillation‚ Gas Chromatography: Preparation of Synthetic Banana Oil Introduction This experiment gave us the opportunity to work with a variety of new procedures as well as practice procedures that are new to us within the past few weeks of labs. Within the context of the scenario‚ we find that a distilling company that markets a popular banana liqueur is having problems. The banana plantation that they use to create their banana extract was hit hard by a hurricane and their reserves
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production shifted from hand to machine. Of all the changes and developments to take place in the Industrial Revolution‚ the steam engine is the most significant one‚ as it led to portable power. Throughout the Industrial Revolution‚ inventors and scientists harnessed portable power through steam engines for a multitude of tasks. The steam engine was originally invented by Thomas Newcomen‚ and was later improved and patented by James Watt in 1769. It worked by releasing steam into a chamber‚ which
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The steam engine was created by James Watt during the industrial revolution from 1763 to 1775‚ which took place in Britain. The steam engine created during the industrial revolution by James Watt was an improvement of design of how to use the steam engine more easily‚ from the creation of the steam engine in 1712 by Thomas Newcomen. The first steam engine ever created‚ was created by Thomas Savery in England in 1698‚ which was a steam pump used for pumping water from coal mine. The purpose of inventing
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I. Objectives * Be able to prepare cyclohexene from the dehydration of cyclohexanol * Understand the mechanisms of the dehydration reaction (acid-catalyzed dehydration). * Know how to use the necessary equipment for this reaction‚ such as the fractioning column. * Obtain positive results in unsaturation tests for the presence of carbon-carbon double bond (cyclohexene). II. Background Cyclohexanol‚ the reagent of this experiment‚ is used in the production of nylon
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DATE: September 16‚ 2012 TO: Patricia Bennett‚ Supervising Principal FROM: Connor Sims‚ Associate SUBJECT: Oil Drilling & Gas Extraction Industry in the US Analysis (21111) This report presents information regarding the industry‚ the primary operator of oil and gas field properties. The industry fuels its key buyers‚ the Natural Gas Distribution (22121) and the Petroleum Refining (32411) industries‚ with crude oil and natural gas. The industry continuously battles
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