... chemical oxidation synthesis 化学氧化合成 chemical reaction synthesis 化学反应合成 chemical process synthesis 化工过程综合 ...
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采用化学反应合成亚硫酸乙烯酯(es)并将其用作锂离子电池电解液添加剂。
Ethylene sulfite (es) is synthesized by chemical method and used as an additive in lithium-ion cell electrolyte.
以蔗糖为起始原料,经羟基选择性保护、氯化、脱乙酰基等3步化学反应合成三氯蔗糖;
Sugar was as the start material by the reaction of the selective protections at 6-hydroxy, chlorination, deacetyl in three steps obtained the target compound(trichlorosucrose);
你看,原来某些微生物是化学合成的——它们不需要阳光,因为它们从化学反应中获取能量。
You see, it turns out that certain microorganisms are chemosynthetic—they don't need sunlight because they take their energy from chemical reactions.
These are things that must be taken in from the environment because your body cannot manufacture them and they promote specific chemical reactions in the body.
这些都是必须从外界摄取的物质,因为无法通过自身合成,它们能促进体内特定的化学反应
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