单词	polyethylene
释义	polyethylenepol‧y‧eth‧y‧lene /ˌpɒliˈeθəliːn $ ˌpɑː-/ noun [uncountable] Examples EXAMPLES FROM THE CORPUS In branched polymers such as the older, high-pressure, polyethylene the molecular-weight between side chains is relevant. Install a layer of tarpaper or polyethylene plastic before installing the new boards. Meanwhile, the City of Phoenix has switched to polyethylene in its water system. Measured values at present indicate that the chain modulus of polyethylene is certainly higher than 280 GPa. Peter Haddon of Granta thinks one of the small polyethylene kayaks would be comparable. The chamber consisted of a 0.6-m-high polyethylene cover attached to the top of a 0.76-m-deep and 0.45-m-wide soil container. The engineer pulled a polyethylene bag from his drawer. The term polyethylene glycol may be encountered in some formulations. word sets WORD SETS► Plastics Perspex, nounplastic, nounplastic explosive, nounPlexiglas, nounpolyethylene, nounpolypropylene, nounpolystyrene, nounpolythene, nounpolyurethane, nounresin, nounthermoplastic, nounthermosetting, adjective Collocations COLLOCATIONS FROM THE CORPUSNOUN► glycol · Burmester also included a few samples contaminated with polyethylene glycol, a modern preservative.· The term polyethylene glycol may be encountered in some formulations. American English a strong light plastic used to make bags, sheets for covering food, small containers etc SYN polythene British English
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