compound derivative 中文意思是什麼
compound derivative
解釋
交叉導數- compound : vt 1 使混合，調合，配合；【語言學】復合，合成。2 （通過互相讓步等）解決（糾紛）；用錢了結（債務等...
- derivative : adj. 導出的；派生的。n. 1. 派生物。2. 【語言學】派生詞。3. 【化學】衍生物。4. 【醫學】誘導法[劑]。5. 【數學】導數，紀數，微商。adv. -ly
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New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展；同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。 -
The actual compound is considered to be a derivative or the parent compound.
把實際化合物看作母體化合物的衍生物。 -
From the mathematic character of an one ordered derivative of a compound function equals to zero which leads to the two and three ordered derivatives equal to zero on its corresponding points, the designing principle of a kind of combined mechanism doing high ordered intermission at limit positions was put forward
摘要從復合函數的一階導數等於零，導致其二、三階導數在對應點上為零的數學特徵中，提出了一類組合機構在極限位置作高階停歇的設計原理。
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