Various types of Fuel Cells and their working By : Divykant Vishwakarma 03996404910 EEE 2nd shift S.No. 14 Fuel Cell A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction with oxygen or another oxidizing agent. Hydrogen is the most common fuel‚ but hydrocarbons such as natural gas and alcohols like methanol are sometimes used. Fuel cells are different from batteries in that they require a constant source of fuel and oxygen/air
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prepared for the experiment‚ one at room temperature and the other two at 15°C and at 5°C. The room temperature water bath was prepared by filling a basin with tap water about ¾ full so that when the subject’s face is submerged‚ the water will not spill. A thermometer was used in order to obtain the temperature of the water. The temperature obtained was at 26°C. The water baths having temperatures of 15°C and 5°C were also prepared the same way as the room temperature water bath only with the addition of
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Beta Phase www.SmartAssFitness.com/FocuST25 Monday Tuesday Wednesday Thursday Week 1 Core Cardio Speed 2.0 Rip’T Circuit Dynamic Core Week 2 Dynamic Core Core Cardio Core Cardio Rip’T Circuit Rest Stretch Rest Stretch Rest Stretch Rest Stretch Upper Focus Core Cardio Upper Focus Speed 2.0 Upper Focus Speed 2.0 Rip’T Circuit Rip’T Circuit Dynamic Core Core Cardio Dynamic Core Week 5 Sunday Dynamic Core Speed 2.0 Week 4 Saturday Rip’T Circuit Week 3 Friday
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and animal cells have several differences and similarities. For example‚ animal cells do not have a cell wall or chloroplasts but plant cells do. Animal cells are round and irregular in shape while plant cells have fixed‚ rectangular shapes. Animal Cell Plant Cell Cell wall Absent Present (formed of cellulose) Shape Round (irregular shape) Rectangular (fixed shape) Vacuole One or more small vacuoles (much smaller than plant cells). One‚ large central vacuole taking up 90% of cell volume.
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PLANT CELL AND ANIMAL CELL LECTURER : ENCIK AZHAR GROUP’S NAME : 2. Mohd Alimi 3. Suraya Hani 4. Norhaswana CONTENT INTRODUCTION 3 WHAT IS CELL? 4-5 HISTORY OF CELLS DISCOVERY 6 ANIMAL CELL 7 PLANT CELL
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diagram above.) 2.Secondly I will measure the required amount of Zinc (Zn) on a weighing scale‚ again for precise accuracy. I will then measure the starting temperature using a thermometer. Next I will pour the Zinc into the test tube containing CuSO4. 3.Finally I will measure the final temperature using a thermometer and record the temperature rise in °c. (I will carry out all my experiments under lab safety precautions.) Variables *I will vary the mass of Zinc‚ & use the following Zinc weights:
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GROUP 6 ANIMAL CELL and It’s Functions ANIMAL CELL: About animal cell usually have an irregular shape. are eukaryote cells‚ or cells with a membrane bound nucleus. DNA is housed within the nucleus. Also contain other membrane bound organelles‚ or tiny cellular structures that carry out specific functions necessary for normal cellular operation. smaller than plant cells. Cell Membrane is the outermost component of a cell. it is composed of 55% proteins‚ 25% phospholipids
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correct. High Power should show only a couple of cells that take up most of the viewing field. The micoscope is designed to view the slide at different spots‚ so not all drawings will look like this one. Images were snipped from the virtual microscope’s flash animation. Scanning (4) | Low (10) | High (40) | 3. Go to google and type "cheek cells" into the search box. Click on "images" to see all the images google has found on the web showing cheek cells (there should be hundreds). What do all of
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Experiment 2: Estimation of protein concentration Introduction Protein assays are designed to measure the total protein in a solution. Protein assays are quantitative if the protein to be assayed is available in sufficient quantity such that one is able to use it to create a standard curve. If this cannot be achieved‚ then a standard protein‚ such as albumin‚ may be used for a standard curve with the understanding that the results on the unknown protein are semi-quantitative. Since most proteins
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Nicole Reardon Biology 1520‚ Section P2 Effects of penicillin and temperature on the growth of Escherichia coli Abstract Bacteria growth is known to be either augmented or impeded by a number of various factors; in this experiment‚ our group tested how E. coli is affected by penicillin as well as how different temperatures can affect bacteria growth. We know that antibiotics are generally specialized against certain types of bacteria—more specifically‚ some are most effective against Gram-negative
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