It is the first time to report that C8-acetyl is displaced by long chain fatty acyl for triester-aconitines in the ester-exchange reactions.
三酯型乌头生物碱的C位乙酰基被各种长链脂肪酰基取代的酯交换反应为首次报道。
According to the components of the reactants, the electron transfer reactions can be divided into three types: self-exchange reactions, cross reactions and bond-rupture electron transfer reaction.
若按反应物的组成来分,可分为自交换反应、交叉反应和键断裂反应三种类型。
In exchange transfusion, all or most of the Blood is removed and replaced with another's Blood. Undesirable reactions to transfusion are not uncommon.
换血是把全部或大部分的血液除去而置换他人的血液。输血的不良反应常见。
Exchange a lot of emails and spend plenty of time in im chatting and learning all about not only each others personal lives, but your views on things and reactions to circumstances.
交流了不少电子邮件和花很多时间在即时通讯聊天和学习的所有约,不仅对方的个人生活,但你对事情的看法和反应的情况。
Ion exchange and hydrothermal reactions of zeolite under alkaline conditions are studied.
对碱性条件下的分子筛离子水热交换反应进行了研究。
Cycling processes and simultaneous chemical reactions of fluids in subduction zones play an important role in the evolutions of Earth crust and mantle and in the substance exchange.
俯冲带流体循环及伴随的化学作用是壳幔演化和物质交换的重要机制。
These new acetylation reactions were synthesized with PS of monodisperse particle. Research on thermostability and intensity of anion exchange resin based on polystyrene is analysised.
分析目前对苯乙烯型阴离子交换树脂的热稳定性及强度的研究。
These new acetylation reactions were synthesized with PS of monodisperse particle. Research on thermostability and intensity of anion exchange resin based on polystyrene is analysised.
分析目前对苯乙烯型阴离子交换树脂的热稳定性及强度的研究。
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