位数

The neighbor-ing two Gd3+ ions are connected by two simple bridged carboxyl groups and a μ2-bridging carboxylgroup. Each G-d3+ ion is simuetaneosly coordinated by two water molecules. So the coordination num-ber of Gd3+ is nine, forming a coordination polyhedron of distorted mono capped square antiprism.

相邻Gd3+离子通过2个简单羧基桥和1个μ2羧基桥联结起来，还有2个水分子配位于每个Gd3+离子，所以Gd3+的配位数为9，形成变形的单帽四方反棱柱体。

Most U.S.citizens have aSocial Security card,which displays a9-digit Social Security number.

卡上登记著社会安全卡持有人的姓名及一个九位数的「社会安全号码」。

Twenty is a bidigitate figure.

二十是一个两位数。

In the complex, the tin atom is hepta-coordinated in a distorted pentagonal bipyramid including a bridging pyridyl N atom, by which the one-dimensional infinite chain is formed.

结果表明，该化合物中锡原子配位数为7，处在畸变五角双锥配位场中，化合物通过吡啶基氮原子的桥连作用形成了一维无限链状结构。

The copper ions showed four different coordination numbers and geometrical structures. 4 coordination, planar quadrangle; 5 coordination, tetragonal pyramid; 6 coordination, octahedron; 7 coordination, triagonal bipyramid.

晶体结构分析表明，该配合物中存在 [Cu2]2+、[Cu2(H2O)]2+和[Cu6(H2O)65Cu24]4-三种配位离子，铜原子呈现四种不同的配位数和几何构型，它们是：4配位的平面四边形；5配位的四方锥型；6配位的八面体型；7配位的三角双锥型。

The copper atom changed six-coordinate in a distorted octahedral configuration to five-coordinate in a distorted trigonal bipyramidal configuration.

在2个配合物中，金属Cu的配位数都由前体中的6转变为5，由原来前体中的畸变的八面体结构转变成畸变的三角双锥结构。

Our purpose is simulating the catalytical action of enzyme in biologic system, so we can directly investigate the factors relating to the functions of enzyme by studying the catalyzing behavior of model molecules imitating enzyme\'s functions. And it is a base of synthesizing high performance model enzyme.

从得到的实验数据我们可以看出：锌是酯水解反应的活性中心；并且金属中心相同时，配位数相同的配合物，结构越简单，其催化酯水解效果越好；含有配位不饱和金属中心的锌配合物表现出更好的催化效果；配合物中咪唑基团的存在可有效的增强这个配合物催化酯水解的效果。

The centile curves fitted by BCPE models were consistent with the data distributions of MCI.

以BCPE模型拟合的百分位数曲线符合掌骨指数数据的实际分布。

Surrogate IR measures have modest performance at the 76th centile, with no threshold effects.

IR的替代测量在第76个十分位数时有较低的效力，没有临界作用。

Methods Using LMS(λ median coefficient of variation) method fitting height centile curve for children and adolescence aged 0～18 years.

采用LMS 法对西安市0～18 岁儿童青少年身高百分位数进行拟合。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。