• In all, the nitrogen and carbon ligands, to be effective, require linkage to other electronegative centers.

    总的来说,氮和碳配体如要有效,就需要连接上其它电负性中心。

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  • For compounds that can be prepared and manipulated at ordinary laboratory temperatures, ligands are, so far, few.

    迄今为止,对能在通常的实验室温度制备和操纵的化合物来说,这样的配体还很少。

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  • Because of the high electronegativity of the positively charged noble-gas centers, any ligands for those centers must themselves be electronegative.

    因为带正电的稀有气体中心具有高的电负性,所以,该中心的任何配体必须自身具有电负性。

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  • Of course, this requires a small electronegative coligand, of which F has no superior; but OH, CN, and CCH are also small ligands with high electron affinities.

    没有比氟更适于此要求的了。 不过,OH、CN和CCH也都是带有高电子亲合性的小配体。

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  • The non-metal atoms are called ligands.

    非金属原子称为配体。

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  • Synthesis of the bis(imino)pyridine ligands.

    双亚胺吡啶配体的合成。

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  • Objective to review the research on histamine H4 receptor ligands.

    目的:阐述组胺h 4受体配体的研究进展。

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  • So the key of asymmetric reaction is design and synthesis of the chiral ligands.

    因此,手性催化反应的关键是手性配体的设计与合成。

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  • It shows that there may be many kinds of ligands combined with calcium in gelatin.

    并指出明胶中可能存在多种钙的结合配体。

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  • Acetyl-pyridine is an important precursor for the synthesis of Schiff-Base ligands.

    乙酰基吡啶是一种重要的希夫碱前驱体。

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  • The catalytic activities of other rare earth metal salts with different ligands were tested.

    考察了带有不同配体的稀土金属催化剂对反应的影响。

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  • In addition, alkaline ligands can prevent isomerization of 1 butene to 2 butene effectively.

    另外,碱性配体能有效地防止1 -丁烯异构成2 -丁烯。

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  • The promotion effects of N-donor ligands for catalytic oxidative carbonylation of methanol were studied.

    研究了几种单齿和双齿含氮配体在氧化羰化反应中的助催化性能。

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  • OBJECTIVE To develop the bioaffinity ligands and affinity purification technology for human serum albumin.

    目的研究人白蛋白特异的仿生亲和配体和仿生亲和分离技术。

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  • N-Heterocyclic carbenes have become universal ligands in organometallic and inorganic coordination chemistry.

    杂环卡宾已经成为有机金属和无机配位化学中广泛应用的配体。

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  • Effects of rare earth metal salts with different ligands and amount of the catalyst on the reaction were studied.

    考察了催化剂用量和带有不同配体的稀土金属催化剂对反应的影响。

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  • Two chiral P, N-ligands were synthesized in high yields from natural quinine and cinchonine under mild conditions.

    以价廉的天然产物辛可宁和奎宁为原料,在温和的条件下方便地合成了两个手性膦氮配体。

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  • As the chiral source of asymmetric induction, the chiral ligands control the procedure of stereochemistry in reaction.

    在手性催化反应中,手性配体是不对称诱导的手性源,控制着反应的立体化学过程。

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  • Some chiral diols were also investigated as the ligands, with those derived from indene exhibiting better enantioselectivity.

    又考察一些手性二醇配体,其中,茚衍生的配体有着较好的手性诱导性能。

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  • The latter process involves the expulsion of the neutral species (N, O-bidentate ligands), accompanied by hydrogen migration.

    后者涉及氢转移的同时逐出中性分子碎片(N,O-双齿配体)。

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  • The definition of cis, trans-isomers for monodentate ligands has been extended to complexes containing two bidentate ligands.

    我们把单齿配体配合物顺反异构体的定义推广到含两个二齿配体的配合物。

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  • The recent progress of the chiral ligands-Rhodium complexes in asymmetric catalytic hydrogenation were reviewed in this paper.

    综述了近几年来手性配体与铑的配合物在不对称催化氢化研究的新进展。

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  • In present article the feature of ligands combined with gelatin -calcium is studied by UV spectrometry and gel filter-AAS method.

    本文用紫外吸收光谱法和凝胶过滤——原子吸收光谱法研究了明胶钙结合配体的特征。

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  • The paper reviews the synthesis and application of the unique ligands, which contain the structure of ferrocene chiral phosphine.

    综述了具有独特结构的二茂铁手性膦配体的合成及应用。

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  • Under weak ligand field interaction, various types of improper packing of ligands will induce lig and exchange and rearrangement.

    弱配位场作用下,配体不合理的堆积将导致配体的交换重排反应。

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  • The applications and recent progresses of chiral amino alcohols as either ligands or catalysts in asymmetric synthesis are reviewed.

    综述了手性氨基醇作为配体或催化剂在不对称合成中的应用及最新进展。

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  • Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins.

    金属茂配体,金属茂化合物和金属茂催化剂,它们的合成以及它们用于聚合烯烃的用途。

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  • One important aspect in correlation between structure and function is the ability of recognition and bond between proteins and ligands.

    蛋白质结构与功能间关系的一个重要方面是蛋白质与配体的识别和结合能力问题。

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  • One important aspect in correlation between structure and function is the ability of recognition and bond between proteins and ligands.

    蛋白质结构与功能间关系的一个重要方面是蛋白质与配体的识别和结合能力问题。

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