Bose–Einstein condensate From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Velocity-distribution data of a gas of rubidium atoms‚ confirming the discovery of a new phase of matter‚ the Bose–Einstein condensate. Left: just before the appearance of a Bose–Einstein condensate. Center: just after the appearance of the condensate. Right: after further evaporation‚ leaving a sample of nearly pure condensate. A Bose–Einstein condensate (BEC) is a state of matter
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The Arctic Circle is located at a latitude of 66 degrees 33 feet 39 inches North. The problem with this statement is the actual latitude of the Arctic Circle is continuously changing due to the tilt of the Earth. It is important to maximize your sample size when developing a predictive model like the height and shoe length model we explored in the Experimental Laboratory 1. What is the purpose of a large sample size? A large sample size provides the scientist with a more accurate representation
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Sucrose Synthesis by D. DeWitt‚ PhD v1.5 11/10/12 Introduction | Condensation Reaction | Plant Synthesis | A. Introduction Although it might seem straight forward‚ the synthesis of sucrose‚ either as a simple condensation reaction (a.k.a. dehydration synthesis)‚ or what actually happens in plants is complicated. Before we explore sucrose’s creation‚ let’s take a look at its structure. In Figure 1‚ the space-filling model is pretty but rather useless at this point in our journey. We
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(day) to 3-4 degrees (night). People and human activities such as transport‚ industry and power stations also generate their own heat. The pollutants from cars act as a condensation nuclei leading to the formation of cloud and smog‚ which traps radiation within the area. On average urban areas contain 10 times the amount of condensation nuclei than rural areas. The lack of vegetation in urban areas reduces the amount of moisture in the air. This is intensified by drains and sewers‚ which remove surface
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What are the central ideas of Cells? • What are cells? – Cells are the smallest basic unit of living things. • What do they do? – Cells take in raw materials and making new substances. • Why do they do this? – In cells‚ organelles carry out activities to keep the organism alive. – E.g. synthesising proteins and fats‚ releasing energy from glucose. What are the central ideas of Movement of Substances? • What processes describe how substances move from one region to another? –
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Sample Preparation All exposure test samples are made by preparing 2" x 12" (50 x 305 mm) laminates with Saflex interlayer. The samples are flush trimmed to the aligned edges of the glass after tacking. These laminates are then put through the final bonding in an air autoclaved using a standard heat and pressure cycle. All edges tested for sealant compatibility are autoclaved. The laminates edges are no longer cut for sealant compatibility testing. It is generally accepted that an autoclaved edge
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Lab 5 – Weather and Climate Change Lab 5 - Demonstration 1: Modeling the Water Cycle POST LAB QUESTIONS 1. Which water cycle processes are represented in this model and by what components? Answer = Condensation and evaporation are represented in the model. Condensation formed inside the jar and under the lid and the warm water evaporated. 2. Which processes are not represented? How could the model be altered to include these processes? Answer = Precipitation and infiltration did not get represented
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Purification of Water Domestic: Distillation - In the process of distillation water is heated and evaporation takes place‚ whereby water changes back to water when cooled; this process is called condensation. The condensed water is the purest form of water‚ free from microbes‚ and impurities. Boiling - Boiling is the best and simplest method to purify water. After straining the water twice through clean muslin cloth‚ it is boiled for ten minutes lo kill the microbes present in it and also remove
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prepared the product through Mannich reaction‚ a multicomponent condensation synthesis between ketone‚ aldehydes‚ enols and amines. Biosynthesis of benzoaxazines occur under reductive and nucleophilic reaction conditions. Formation of a Schiff base is necessary to perform first before reductive amination is performed. % yield of 3‚4-dihydro-3-(p-methylphenyl)-1‚2-(2h)-benzoxazinewas obtained from the reaction. Keywords: Condensation Reactions‚ Mannich Reaction‚ Nucleophilic addition‚ Schiff Base
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of a few main parts: • evaporation (and transpiration) • condensation • precipitation • collection Evaporation: Evaporation is when the sun heats up water in rivers or lakes or the ocean and turns it into vapor or steam. The water vapor or steam leaves the river‚ lake or ocean and goes into the air. Condensation: Water vapor in the air gets cold and changes back into liquid‚ forming clouds. This is called condensation. Precipitation: Precipitation occurs when so much water
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