WebFeb 16, 2024 · 十二烷. 十二烷是一種 有機化合物 ,化學式為C 12 H 26 ,分子量為170.33。. 十二烷是無色液體,熔點-9.6℃,沸點216.3℃, 閃點 71℃,密度 0.753 g/cm 3 , 蒸汽 … Web氯乙烷类的毒性. 【摘要】: 正 国家职业安全和卫生研究所 (NIOSH)最近提出必须审慎对待1,2-二氯乙烷、1,1,2-三氯乙烷、1,1,2,2-四氯乙烷及六氯乙烷等对人可能有致癌作用的卤代 …
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Webtwelve: [noun] a number equal to one more than 11 — see Table of Numbers. Web在空氣中,約需要5-12天的時間來讓1,2-二氯乙烯分解成一半。 大部分在土壤表面或水體的1,2-二氯乙烯會蒸發到空氣中。 1,2-二氯乙烯可透過土壤或溶於土壤中的水而四處移動, … how to cure cellulitis at home
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