双核的

This dissertation divides into seven chapters and the main contents and conclusions are listed as following:1. Three series binuclear lanthanide carboxylate coordination polymers 1～7 have been synthesized under hydrothermal conditions by altering the length of carbon chains between carboxyl group and phenyl ring on ligands, which are isophthalic acid, 1,3-phenylenediacetic acid and 1,3-phenoxydiacetic acid, and lanthanide ions such as Pr~(3+), Eu~(3+)and Ho~(3+).

论文共分七章，主要研究内容和结论如下：1、通过改变间苯二甲酸配体的羧基和苯环之间的碳链长度，从间苯二甲酸、间苯二乙酸到间苯二氧乙酸，以及改变稀土离子半径Pr~(3+、Eu~(3+)和Ho~(3+)出发，在水热条件下制备了三个系列双核金属单元的稀土羧酸二维配位聚合物1～7。

Gallop commonly with 20 server of 4 pairs of nucleuses comprises a diminutive " the cloud " network, its operation ability can rival the advanced equipment of high-powered computation center.

用20台普通的奔腾4双核服务器组成一个小型的"云"网络，其运算能力可以媲美高性能计算中心的先进设备。

A theoretical study on magneto-structural correlation for binuclear Cu complexes bridged by single N-N group from diazine has been investigated by using broken-symmetry approach within the framework of density functional theory.

在密度泛函数理论的框架下，应用对称性破损方法，研究了以N-N基团为单桥的二嗪类双核Cu体系的磁耦合强度及磁-结构关联。

The complexes were characterized with variable temperature magnetic susceptibility (4-300 K). The exchange integral J =-4.39 cm-1 for [CuCo(NO2-Phen)2] and -3.59cm-1 for [CuCo(NO2-Phen)2]. A weak antiferromagnetic superexchange interaction operates between the metal ions.

测定了配合物(4-300K)的变温磁化率，并用最小二乘法和自旋Hamiltonian算符，H=2JS1.S2-DSzl导出的磁方程拟合，求得交换参数为J=-4.39和-3.59cm^-^1，表明两个Cu-Co双核配合物中有弱的反铁磁性超交换相互作用。

Both iron atoms of the binuclear unit are bridged by one oxy atom and two acetate groups. Each iron atom is also bound to facially - coordinating tridentate IDB ligand with the aliphatic nitrogen donor situated trans to theμ- oxy atom. Each iron centers is in a distorted octahedral symmetry.

每个双核单元的两个铁原子均通过一个氧原子和两个醋酸根连接，每个铁原子同时还与位于桥氧原子对位的三齿配体IDB重脂肪链上氮原子相结合，每个铁中心为一变形八面体结构。

In compound 1, Co is in a distorted octahedron environment with four nitro-gen atoms from the tripodal ligand and two oxygen atoms from the bridged oxalate, and the molecule is a dimmer-ic structure consisting of two LCo unites linked by bridging oxalate.

在配合物1中，Co与来自三脚架配体的4个氮和草酸根桥联配体的2个氧原子配位，处于扭曲八面体配位环境。由草酸根桥联两套LCo，构成了一个双核结构。

The crystal structures have been determined by X-ray diffraction method, which show that the new complex [Co2-Co(2)(0H2)s] belongs to the bridging binuclear complex and the system of monoclinic with space group P211~,unit cell parameters a8.3850(10)A, b=27.386(4) A, c=9.610(2) A,~=98.280(10)~,V=2 183.8(6) A3 , Z=4, Dc=l.746Mg/m3,~i =l.597mm, F(000)=1168, Final R=O.0253 and wR=O.0610 S1.009 ,The two Co2~ are in distorted octahedrons. The part of [2Co] possess an approximate D2d symmetry, while the part of [OCo(2)(0H2)5] has an approximate C2 symmetry.

结构分析表明配合物(1)[Co1，(DPC2-Co(2)(OH2)5]是一个未见报导的桥联双核配合物，属单斜晶系，空间群为P2_1／c，晶胞参数：a=8.3850(10)A，b=27.386(4)A，c=9.610(2)A，β=98.280(10)A，V=2183.8(6)A~3，Dc=1.746Mg／m3，Z=4，μ=1.597mm-1，F(000)=1168，结构偏离因子R=0.0253和ωR=0.0610，吻合因子S=1.009，Co_(1)和Co_(2)的配位多面体皆为扭曲正八面体，[_2Co_(1)]部分具有近似D_(2d)对称性，[OCo(2)(OH_2)5]部分具有近似C_2对称性。

For the purpose of helping the local veterinaries to diagnose goat disease, authors constructed expert system and proposed dual-core diagnosis mechanism of inference engine, which is the credibility factor associated with the weighted forecast reasoning and machine learning Bayesian which supports reasoning algorithms, The prototype system was constructed, and some field experiments were carried out.

为辅助兽医求解当地主要经济动物山羊疾病诊断治疗问题，建模山羊疾病诊断专家系统体系架构，提出双推理机核的推理机制，设计重权关联因子可信度预测推理和支持机器学习的贝叶斯推理算法，构造原型系统，开展现场试验。

The hydrolysis of phosphodiester promoted by dinuclear complexes Cu (Ⅱ-Cu and Co -Co bearing special functional oxime group has been studied.

探讨了含特殊功能基肟基的双核Cu(Ⅱ-Cu及Co-Co配合物催化磷酸二酯的水解。

The dissertation takes the industrial belt spot - axis system theoretical model, the binuclear structural theory pattern, Japan near the sea industry belt establishment theory as the basis, the analysis regarding the East LongHai Industry Belt regional economic society development, and carry out the theoretical analysis.

论文以产业带的点-轴系统理论模型、双核结构理论模式、日本临海工业带形成理论为依据，在开展沿东陇海线区域经济社会发展现状分析基础上，进行了沿东陇海线产业带形成的分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。