Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于烯二酸解转型酯化途径成了对皮肤无过的丁烯二酸桂甘酯(SGF)。
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Dr MacMillan found he could catalyse Diels-Alder reactions using a type of metal-free molecule called an imidazolidinone to activate the two-carbon component, meaning that it combines enthusiastically with its four-carbon compadre.
麦克米伦博士发现,他可以使用一种名咪唑烷酮的无金属分子来催化狄尔斯-阿尔德反应,以激活双碳成分,这意味着它可以与其四碳化合物结合。
Keyless entry, engine operation, anti-lock brakes, automatic transmissions, airbag systems, all of these are controlled with semiconductors, computer chips and one of the many strange ripple effects of the coronavirus pandemic is a global shortage of these chips.
无钥匙进入、发动机操作、防抱死刹车、自动变速器、安全气囊系统,所有这些都是由半导体和计算机芯片控制的,疫情带来的众多异常连锁反应之一就是这些芯片的全球短缺。