查询词典 ligand

When the ligand 52 and 54 with only planar chirality were used the high enantioselectivity was obtained.

我们对配体平面手性作用的研究表明平面手性可以独立地进行不对称诱导，最高给出93％的ee值。

Six Pt complexes with chital 1,2 --diaminocyclohexane as carrier ligand were synthesized, their compositions and strctures were characterized by elemental analysis,IR spectroscopy and molecular modeling.

合成了六种以不同手性的1，2-环己二胺(1，2-dach)作为载体配体的铂配合物，用元素分析、红外及分子图形方法对其组成和结构进行了表征。

The bpp molecular folds to provide a clothespin ligand geometry because of its good flexibility, which results in the organic bicapped structure.

NH_4_2(H_2bpp)_2[Mo_7O_(24)]·8H_2O (7)(H_2bpp)_3 [Mo_5P_2O_(23)]·H_2O (8)化合物7展示了一个新颖的含有一维孔道的三维超分子主体网络，孔道中容纳着有机客体分子。

Complete chiral induction from enantiopure-DPEN to achiral bisphosphine ligand 3a was observed in solution, with the complex adopting a single, stable and non-fluxional (even at 70 ℃) configuration.

光学纯-DPEN在溶液中对非手性双膦配体3a产生完全的手性诱导，形成构型单一的稳定RuII络合物，即使在70°C下构型仍保持不变。

Moreover, the concision of synthetic route and the stability of ligand were also pursued goals.

同时，合成方法的简单和配体的稳定也一直是研究人员的追求目标。

Furthermore, the structures of the complexes are strange. The tripodal ligand H〓L〓 form a 2: 2 ring-like binuclear complexes [Eu〓·L〓·6DMF] ·CH〓OH·DMF with Eu〓 in DMF. Two DMF molecules are accommodated in the ring and coordinate with Eu〓.

此外配合物的结构还比较特殊，三足配体H〓L〓与铕的配合物在配位能力较强的溶剂DMF中形成环状的2：2型双核配合物[Eu〓。L〓·6DMF]·CH〓OH·DMF，环状空腔刚好能够把两个配位的DMF溶剂分子包在里面。

The result shows that the higher the extent of the ligand coplanarity and conjugation, the better the fluorescent performance of the compound.

由红外光谱和热分析测试确定的配合物1及配合物2中的水分子未参与配位。

Moreover, the molecular weight of polyethely and its distribution or even the physical properties could be adjusted by changing the non-cyclopentadiene ligand; and bi-or single modal polyethylene could be realized in one system according to the different preparation methods and conditions of CpTiCl.

由于非茂配体的可选择范围很广，通过改变半茂钛配合物中的非茂配体，可以调节半茂体系聚合产物的分子量及分子量分布，乃至聚合物的物理性能；还可以根据制备方法和反应条件的不同，实现同一体系内获得双峰或单峰分子量分布聚合物的目的。

The ligand HL showed strong anti-inflammatory activity and the inhibition ratio on mouse ear edema induced by croton oil was 67. 8%(P.001%compared with control group), when the hypodermic injection dose was 50mg/kg.

测定了配体的抗炎活性，发现配体在50mg／kg剂量时皮下注射，对小鼠耳部巴豆油炎症有较强的抑制作用，抑制率为67.8％，与对照组相比P.001。

The structural characteristics, such as short bridges, more rigid ligand, larger dihedral angle and different bridging groups, had significant effects on the stability, catalytic activity and polymerization behavior.The polymerizations of cycloolefin were carried out by catalystsβ-diketonate titanium, respectively.

催化剂桥基长度的缩短、两茂环之间的二面角及立体刚性的增大、两桥联基团的结构差异等因素对催化剂的热稳性、聚合活性及共聚情况都有一定的影响。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。