olefine
(chemistry) olefiant gas, or ethylene / (chemistry, by extension) any of the series of unsaturated hydrocarbons of which ethylene is a type
plural of burial ground
A surname from German. / Johannes Kepler, a German astronomer. / Kepler space telescope, a stellar transit tracker used for finding exoplanets
plural of oxaphosphine
研究室の技術者は重合反応を始める前に、エチレンの純度を慎重に測定した。
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