Sentences with phrase «part of the ethylene»
Because every part of the ethylene monomer is included in the finished polymer, the free radical polymerization of polyethylene is referred to as an addition polymerization; the ethylene molecules are simply added together.
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«They reduced the amount of acetylene in ethylene down to less than 2 parts per million (ppm), which is lower than the 5 ppm that polyethylene manufacturing requires,» said NIST materials scientist Wei Zhou.
Traces of ethylene were detected by laser spectroscopy as part of the systemic inflammatory response to bacterial infection, both in isolated blood leukocytes as well as in a controlled experiments with healthy volunteers.