catalytic center 中文意思是什麼
catalytic center
解釋
催化中心-
There are more than 20 engineers and senior engineers in the technical center, among whom there are 3 doctors and 6 masters. the domestic first - class testing workshop, experiment facility and test manufacture workshop are collocated in the company, which can be used for the research and development of motorcycle exhaust catalyst, environmental catalyst, catalytic converter technology, etc
技術中心擁有二十多名工程師和高級工程師，其中博士3人、碩士6人，公司配置了國內一流的專業檢測、試驗設施和中試生產車間，可以從事各類尾氣凈化催化劑、環保催化劑、催化轉化系統技術等的研發。 -
The deduced 3 amino acid residues, d32, h64, and s221, were identical with 3 essential amino acids in the catalytic center of protease
成熟蛋白酶全長275個氨基酸殘基，其中， d32 ， h64 ，和52213個氨基酸殘基為催化活性中心。 -
Nickel - based catalysts possess high catalytic activity for olefin polymerization, with single active center and wonderful molecular tailoring properties
這類催化劑具有高催化活性、單活性中心和良好的分子剪裁性，可以在分子層次上實現烯烴聚合的分子設計與組裝。 -
The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation
金屬離子可以是輔助因素的催化中心，也可以幫助形成酶活性所必須的構象。 -
Dna sequence analysis showed that the cloned nk gene was highly homologous to the sequence reported by nakamura. the deduced amino acid sequence also had the conserved sequences ( serine 221, histidine 64, and aspartic acid 32 ) which was essential for the catalytic center of serine proteases. the nk gene was then cloned into the transfer vector pvl1393
本實驗以b . subtilis （ natto ）基因組dna為模板擴增了nk基因，測序結果顯示與nakamura報道的納豆激酶基因高度同源，其氨基酸序列也含有絲氨酸蛋白酶的活性保守中心（ serine221 ， histidine64 ， asparticacid32 ） 。 -
The catalytic center of an enzyme is composed of a set of amino acids whose three - dimensional arrangement forms the “ active - site ” that allows them to efficiently bind and modify the substrate
酶的催化中心是由一組氨基酸組成，其三維結構形成活性位點，允許它高效地結合或修飾底物。 -
In the procedure, carbon nanotubes were oxidized by nitric acid and then neutralized with naoh to create carboxyl surface groups which were used to adsorb ni ( superscript 2 + ) ions, thereafter the adsorbed ni ( superscript 2 + ) ions were chemically reduced into ni nano - particles as a catalytic center for electroless nickel deposition, all these were further confirmed by infrared absorption spectra and electron microscopic observations
碳納米管經硝酸氧化和堿中和后表面生成羧基，利用羧基吸附鎳離子，之後吸附的鎳離子被化學還原為鎳的納米微粒並成為化學鍍鎳的催化活性中心。 -
Abstract : this paper is a comprehensive study of the developments of the chiral phosphorus ligands in the field of asymmetric catalytic synthesis in the past detade. according to the chiral center atom and the structure characteristics, these chiral phosphorus ligands are divided into five types and their catalytic effects are summerized as well
文摘:對近十多年來不對稱催化合成領域中出現的手性膦配體進行了綜述，按其不對稱中心以及結構上的特徵加以分類，並對其催化性能進行總結。
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