element tensile test is conducted for element size of 5mm at strain rates mentioned in Fig. 7 7. The true stress versus plastic strain results of the simulation in comparison to the load curve is shown in Fig. 7 9. As the damage is coupled to the stress tensor by Eq. 4 1‚ there is a continuous reduction of stress. The plastic strain at failure for different strain rates is shown in Fig. 7 11 which is in accordance to the scaling factor given for different strain rates. One element tensile test is also conducted
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What is urodynamic testing? Urodynamic tests are done to determine how well your lower urinary tract is working. The lower urinary tract includes your bladder and the tube that empties your bladder (urethra). When your kidneys filter your blood‚ urine is stored in your bladder until you feel the urge to pass urine (urinate). Urination requires coordination between the nerves and muscles of your bladder and urethra. When your lower urinary tract is working well‚ you should be able to: Start urinating
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The catalase test is used to differentiate staphylococci (catalase-positive) from streptococci (catalase-negative). The enzyme‚ catalase‚ protects the bacteria from the toxic by-products of oxygen metabolism. This enzyme is produced by bacteria that respires using oxygen. The catalase-positive bacteria include strict aerobes. Catalase-negative bacteria may be anaerobes‚ or they may be facultative anaerobes do not respire using oxygen as a terminal electron acceptor. The test reaction is very fast
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which was hard to identify the shape of the bacteria‚ while other sections were less concentrated and was easier to analyze the shape. The next step according to the result‚ will be a catalase test.
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used. The tension test is one of the laboratories which help students develop their knowledge in this course by practice. During the laboratory a Tinius Olsen Tension Test equipment was used‚ and the test samples were from low and high carbon steel and timber with grains parallel and perpendicular to the load. Test equipment and materials The test equipment used during the laboratory is one of the Benchtop Materials Testing Machines made by Tinius Olsen. This machine can test different types of
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3.1 Ex-vivo Evaluation of the Mucoadhesiveness of Synbiotics Mucoadhesive properties prolong the retention time of the bead’s dose in the targeted site the colon [23]‚ [50]. Since the dose is intended to colonic release‚ mucoadhesion parameters play a key role in the efficiency of the form. The beads remain longer in contact with colonic mucosa when they have more mucoadhesive property. As a result the probiotics will have enough time to get released from beads and colonize the colon [37]‚ [51]
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parallel bearing surface. These specimens were perpendicular to the axial load during all the tests‚ as shown in Fig. (3.15) and (3.16). Fig. (3.15): Preparation of cube specimens Fig. (3.16): Preparation of cylinder specimens 3.6. Test procedure: This section highlights the procedures used for testing the FBLWC specimens EXPosed to compression
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amounts of glucose‚ amino acids‚ urea‚ and salts in urine. To test this we used different chemicals that would react with one of the four items above showing either a high concentration or low concentration within the urine. By using a solution called silver nitrate we could test whether or not salt was present in the urine. If the urine turned a cloudy white after adding the silver nitrate the urine had a high concentration of salt. To test for amino acid we used a chemical called biuret solution. If
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The presence of carbohydrates in a solution can be determined by a qualitative test of Molisch test. Molisch test is a general‚ sensitive chemical test and positive for all kinds of carbohydrates which in free form or in combined form. The test is based on the dehydration of the carbohydrate by concentrated sulfuric acid to produce an aldehyde which condenses with two molecules of phenol‚ resulting in a coloured compound. Molisch reagent is a solution of α-napthol in 95% ethanol. The aldehydes produced
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aldehydes are known as aldoses. Sugars that are ketones are known as ketoses.Glucose and galactose are example of aldoses while fructose is an example of ketoses.There are few test can be done for testing these sugar to show or prove are they reducing sugar or non reducing sugar.Example of the test that can be done is Benedict test. 1 In plant‚glucose is stored as the polysaccharide starch.Example of food that rich in starch is oat‚cereal‚rice and corn.Starch can be divided into
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