advantages of the one pierce mold casting include simplicity‚ low cost‚ and no seam lines in finished patterns. As with all manufacturing methods there some disadvantages to casting that include it can only be used with non-ferrous metals that has low melting temperature and long cooling time. As for the material used which consisted of a silicone mold making rubber and a special chemical composition (catalyst) with a usage ratio of 10 to 1. The calculate amount used for the silicone rubber was 918 g
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Hot working range and effects 1. Near 370C metal strength decreases and plasticity increases until at lowest temperature where the lowest melting constituent of steel starts to melt. The strength decreases and looses plasticity and tind to crumble under applied stress instead of flow. 2. Selection of temperature depends on a) Chemistry. b) Melting point of the lowest constituent. 3. Finishing temperatures. Lower the finishing temperature finer the structure of the piece but limited
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Regents Chemistry Quarter 1 Midterm Review 1. The percent by mass of oxygen in Na2SO4 (formula mass = 142) is closest to 1) 11% 3) 45% 2) 22% 4) 64% 2. Given the unbalanced equation: __Al(s) + __O2(g) → __Al2O3(s) 3. 4. 5. 6. 7. balance the equation using smallest whole number coefficients. The percent by mass of aluminum in Al2O3 is approximately 1) 18.9 3) 47.1 2) 35.4 4) 52.9 What is the approximate percent composition by mass of CaBr2 (formula mass = 200)
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“There is such hate and rage inside me now that I know I have the power to destroy and kill.” Do you think Loung’s hate and rage made her strong in the face of adversity? Discuss. The novel‚ First They Killed My Father‚ written by and told from the perspective of Loung Ung‚ is a chilling tale of a disturbed childhood‚ where the impact and influence of the communist government‚ the Khmer Rouge‚ fuels the anger and perpetual loathing of the regime which she claims to be the sole reason of the separation
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Generally speaking pot-belly pigs‚ will pretty much eat anything you give them‚ sadly pot-belly pigs are known to become very over-weight‚ in most cases obese‚ which can lead to many problems later on with the pigs life‚ a example of a problem which has happened to many pigs before‚ is problems with their joints and their feet. You might already know‚ but potbelly pigs are very smart‚ it’s been known for many pigs to open the fridge themselves and start going though all of your food‚ trying to treats
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procedure by inserting the ice cube into the beaker filled with vegetable oil‚ the dullness and boring state also began to flow. We sat there watching for a good five minutes before any visual reaction was taking place. The ice cube was actually melting in the oil; however‚ the water‚ representing a simple start for the procedure‚ was not mixing with oil. This aroused us with many questions and observations such as “Why is the water not mixing with the oil?” and “Does It have anything to do with
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TITLE PAGE PREPARATION AND CHARACTERIZATION OF SODIUM SALICYLATE OINTMENT INTENDED FOR TOPICAL AND SYSTEMIC DELIVERY BY MUOBIKE MAKUO 2005/136609 IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF DEGREE OF BACHELOR OF PHARMACY (B. PHARM) OF THE UNIVERSITY OF NIGERIA‚ NSUKKA. DEPARTMENT OF PHARMACEUTICAL TECHNOLOGY FACULTY OF PHARMACEUTICAL SCIENCES UNIVERSITY OF NIGERIA‚ NSUKKA. PROJECT SUPERVISOR: DR. I. V. ONYISHI OCTOBER‚ 2012. APPROVAL PAGE This is to certify
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How to make a coil pot 1.Before you get started‚ mix a little clay and water together in a container. Stir it until it is nice and slimy. This gooey mixture is called slip. 2. It sounds backwards‚ but to make a coil pot‚ you start from the bottom. Pat a piece of clay into a round flat disc about as thick as a pencil. Try to make it as perfectly round as you can. You can trace around the bottom of a glass if you need help forming the clay into a round shape. Make your base at least three inches
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Physics Facts & TriviaA rubber band shrinks when heated and expands when cooled because of the change in its Entropy state.Submitted by: Emily (Awesome) - Helena‚ Montana‚ United StatesDue to the effect of Thermal Expansion‚ the Eiffel Tower is upto 15cm taller in summer.Submitted by: Muhaimin Mareum Khan - Dhaka‚ BangladeshRadar is an abbreviation ofRadio Detection And Ranging.Submitted by: Marvin Jadulos - PhilippinesIf an atom were the size of a stadium‚ its electrons would be as small as
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will be used which means more time is needed for preparation and cooking. However‚ if you own a crock pot‚ food will be much easier whether you’re cooking for a crowd or not. All you have to do is prepare the ingredients‚ throw them into the pot and wait for the dish to cook - you’ll have more time to prepare other meals! Try these excellent crockpot recipes for big groups of people: Crock Pot Balsamic Beef What you need: 1 3/4 kilograms boneless round roast beef Four cloves garlic‚ minced 1
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