Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid ty...
活跃的脂肪酶与圆球体的膜相结合.Active lipase is associated with the membrane of the spherosomes.脂肪酶仅在碱溶液中才起作用.Lipase acts only in an alkaline solution.微生物脂肪酶是一类广泛应用于诸多工业领域的生物催化剂.Microbial lipases, as biocatalyst, were widely used in ma...
这些是极危险的工作，差不多准保能毁了你的事业。These are kamikaze jobs, the ones almost guaranteed to end your career.由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。Dangerous undertows make swimming unsafe along most of the coastline.事后再翻出当初谁说了什么当然是很危险的。To ascri...