the Oceans Hide No one thinks about what happens to their plastic after it’s served its purpose. Most people believe it simply goes somewhere and gets recycled and reused. The truth is not so pretty. Plastics are made out of a variety of natural materials, including an oil called petroleum. To be useful they must be processed so they become easy to mold and shape for many different things. Basically, plastics are designed to suit consumer needs, but this usually means single use products like plastic
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Q1. Briefly describe how the physical properties of materials used to produce tablets influence flow ability. Construct a chart of the flow studies and comment on the results. There are a variety of properties that will affect the flow ability of a tablet, some of these factors will include physical properties such as particle size and the amount of fine particles. The size of the particles can be a significant factor in influencing the overall flow ability, as when the particles become too small
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On average America uses 17 million barrels of oil annually to make their demand for plastic water bottles. Based off that we could fuel 1.3 million cars with all that oil used for water bottles. This data doesn't even include the amount of oil used to transport them. On top of this chemicals such as BPA are used in the manufacturing of plastic bottles. Seven million pounds of BPA is used in the manufacturing of water bottles, food packaging, pvc pipes, and more. BPA is a hormone closely resembled
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POCO Graphite Trip Report Last Thursday our engineering materials class took a trip to POCO Graphite located in Somewhere, Someplace. We had the pleasure of touring the plant, specifically the research and development laboratories. This tour let us experience what it feels like to test and research materials used to make high quality graphite. When we arrived at the plant the first thing was to meet in the presentation room and received our ID badges for entrance to the coming
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As in all other advanced Western economies, the Italian industrial sector is declining, decreasing the level of employment in industry and affecting the sector's contribution to the GDP. Industry employed 32.6 percent of the workforce in 1999, while contributing 30.4 percent to the GDP in 2000. However, manufacturing was the key to Italy's post-World War II economic boom and remains important. The steel industry in particular allowed the country to become one of the strongest economies in the world
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cost effective method of liquid state fabrication is Stir Casting. * 26 * Stir Casting * Stir Casting is a liquid state method of composite materials fabrication, in which a dispersed * phase (ceramic particles, short fibers) is mixed with a molten matrix metal by means of * mechanical stirring. * The liquid composite material is then cast by conventional casting methods and may also be * processed by conventional Metal forming technologies. * Stir Casting is characterized
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action, while some countries failed to recycle their non-recyclabe commodities. There is a common conception that government officials should be responsible for the non-recyclable because citizens pay the tax. For example, one of the non-recyclable materials, plastic, will cause much harm If people forget to recycle them. Plastic bags will not be disposed in soil by itselves,and it may cost hundreds of years to break down in landfill. Moreover, too much plastic bags will cause the death of animals and
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ABSTRACT The mechanical properties of composite materials are strongly dependent on micro structural parameters of the system. The evolution of microstructure depends largely on the cooling rate during phase change. Though the microstructure evolution depends on many process parameters, the final structure is decided by cooling conditions during solidifications. The mould material has a decided effect on the structure formation. The use of end chills during casting not only favours directional solidification
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layers with one layer stiffer than other layer. How will the flexural modulus of the two specimens differ? Explain. (Hint, use Parallel and Series model to calculate the modulus to compare them. Assume the modulus of stiff material is 1X109MPa as and the modulus of soft material is 1X108 , and the volume fraction of each one is 0.5) Properties will be used for solving above problems: The modulus of S-glass is 85.5 GPa, the modulus of E-glass is 72.4 GPa, the modulus of Epoxy is 3.5 GPa and the modulus
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excellent means of identifying “hot spots” or areas with organic material that could possibly support and accelerate microbial growth. The technology of ATP bioluminescence for hygiene monitoring has become increasingly useful because of it real-time capabilities, ease of use and affordability. It cannot replace microbiological testing but it is easier, faster and the results indicate cleanliness, (defined as the absence of organic material), rather than counting colony forming units of microorganisms
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