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polystyrene
Book article from: The Columbia Encyclopedia, Sixth Edition
polystyrene , widely used plastic ; it is a polymer of styrene. Polystyrene is a colorless, transparent thermoplastic that softens slightly above 100°C (212°F) and becomes a viscous liquid at around 185°C (365°...
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SIC 3086 Plastics Foam Products
Encyclopedia entry from: Encyclopedia of American Industries
...326150 (Urethane and Other Foam Product (except Polystyrene) Manufacturing) 326140 (Polystyrene Foam Product Manufacturing) Industry Snapshot Total industry shipments in the polystyrene foam products market segment grew from $5.96 billion...
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Benzene
Encyclopedia entry from: The Gale Encyclopedia of Science
...the production of commercially valuable polymers, such as polystyrene, nylon, and synthetic rubber. The benzene derivative produced...H 5 CH=CH 2 ) which, in turn, is polymerized to form polystyrene. Nearly half of all benzene used in chemical synthesis is...
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Ultrasonics
Encyclopedia entry from: The Gale Encyclopedia of Science
...at 0 ° C 1086 Hydrogen at 0 ° C 4212 Brick 11,972 Clay rock 11,414 Cork 640 Paraffin 4264 Tallow 1279 Polystyrene 3018 Fused silica 18,893 Aluminum 16,400 Gold 6658 Silver 8790 Concrete 12,000 Stainless steel 16,400 compressed...
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Plastics
Encyclopedia entry from: UXL Encyclopedia of Science
...and shaped over and over again. Examples of thermoplastics include acetal, acrylic, cellulose acetate, polyethylene, polystyrene, vinyl, and nylon. A thermosetting plastic, in contrast, can be melted and shaped only once. If it is then heated a...
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plastic
Book article from: The Columbia Encyclopedia, Sixth Edition
...pressure are reapplied. See epoxy resins ; polyacrylics ; polycarbonates ; polyethylene ; polyolefins ; polypropylene ; polystyrene ; polyurethanes ; polyvinyl chloride ; vinyl plastics . Molding of Plastic Plastics are available in the form of bars, tubes...
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Jahn, Robert G(eorge) (1930-)
Encyclopedia entry from: Encyclopedia of Occultism and Parapsychology
...later macro-PK experiments, Jahn created a random mechanical cascade, resembling a pinball machine, in which 9,000 polystyrene balls drop through a grid of nylon pegs, bouncing about to collect in time at the bottom. The balls should normally end...
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Alain Resnais
Encyclopedia entry from: Encyclopedia of World Biography
...Fog with Le Chant du styrene (1958), in which he attempts to capture a plastics factory in cinematographic poetry. The film traces the manufacture of polystyrene from the finished product back through the industrial pipelines to the
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SIC 4783 Packing and Crating
Encyclopedia entry from: Encyclopedia of American Industries
...several larger ones, including Land O' Lakes Dairy Foods and Quaker Oats. In the 2000s, the industry was looking to replace polystyrene packing peanuts with something cost-effective and environmentally friendly. Despite their problems, peanuts were inexpensive...
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Cold Chain
Encyclopedia entry from: Encyclopedia of Public Health
...should be removed from refrigeration at one time. Vaccines should be distributed to small peripheral clinics in insulated polystyrene boxes packed in dry ice. When vaccine failure is detected, either by serological studies of vaccinated populations or by...
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