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Three new ternary copper complexes: 3.5H2O(1)、 2H2O (2) sand 1.5H2O(3)(phen=1, 10-phenanthroline, tatp=1, 4, 8, 9-tetranitrogen, dppz =dipyrido [3,2-a; 2,3-c]phenazine, Gly-L-Val=Gly-L-Valine), were synthesized characterized by elemental analysis, molar conductivity, IR and UV-Vis spectroscopes.

本文合成了3个新的三元铜配合物：3.5H2O(1)、2H2O(2)和1.5H2O(3)［Gly-L-Val=甘缬二肽，Phen=l，10-邻菲咯琳，TATP=l，4，8，9-四氮三联苯，DPPZ=二吡啶并［3，2-a；2，3-c］吩嗪］。通过元素分析、红外光谱、紫外－可见光谱以及摩尔电导率测定对这些配合物进行了表征。

Reaction of NaOAr, SmCl_3 and aryloxo-functional N-heterocyclic carbene precursor [HO-4, 6-di-~tBu-C_6H_2-2-CH_2{CHMe}]Cl in 4:1:1 molar ratio in THF in one-pot hadnt afforded an anionic phenoxide complex of samarium (5) supported by a bridged bisphenoxo through the cleavage of aryloxo-functional N-heterocyclic carbenes.

4将NaOAr、SmCl_3和[HO-4，6-di-~tBu-C_6H_2-2-CH_2{CHMe}]Cl以4∶1∶1摩尔比，采用一锅煮的方法，希望得到芳氧基功能化的氮杂环卡宾稀土芳氧配合物没有取得成功，而是得到了断裂的产物O-4，6-di-~tBu-C_6H_2-2-[CH{NNMe}[(O-4，6-di-~tBu-C_6H_2)_2CH_2][O-2，4-di-~tBu-C_6H_3]Sm(5)。

Furthermore,enzymatic production of cephalexin using free penicillin G acylase in aqueous system wasstudied. The parameters, including pH, temperature, concentration of 7-ADCA and molar ratiosof 7-ADCA to phenylglycine methyl ester, that affect the yield of cephalexin, wereevaluated. In section Ⅱ, the integration technique of bioseparation and biosynthesis was investigatedfirst time in the enzymatic production of cephalexin.

第Ⅰ部分主要建立了对酶法合成头孢氨苄过程行之有效的HPLC检测方法，实现了头孢氨苄合成过程中所涉及的四种物质，即头孢氨苄、苯甘氨酸甲酯、苯甘氨酸及7-ADCA快速有效的检测；同时对水相体系中头孢氨苄合成过程的影响因素进行了研究，明确了水相体系中温度、pH值，底物浓度以及底物配比对酶法合成头孢氨苄得率的影响。

Several trivalent (boron, aluminium, iron, arsenic and antimony) and tetravalent metal/non-metal derivatives of N-(2-methyl) phenylglycine have been prepared by the interaction of their corresponding isopropoxide with the latter in 1:1 and 1:2 molar ratios in benzene medium.

用N-(2-甲基)苯基甘氨酸合成了几种及四价金属/非金属衍生物。

The influence of various parameters,such as the molar ratio of rhodium to phosphine,the reaction temperature and pressure on the hydroformylation were investigated.

50年代中期[1 ] ，人们发现铑络合物比钴对氢甲酰化反应具有更高的活性，可以使反应在更温和的操作条件下进行。

Based on orthogonal test, the factors influencing the synthesis of di-n-propyl phosphite, such as reaction temperature, reaction time and molar ratio of reactant, were investigated.

通过正交优化试验，考察了温度、时间和物料配比对二正丙基亚磷酸酯的合成收率的影响。

The effects of the A-1 concentration, the sodium tungstate concentration, the molar ratio of H2O2 to pinene, and the reaction temperature are investigated.

考察了季铵盐(A-1)的浓度、钨酸钠浓度、H2O2与蒎烯的量比、反应温度对环氧化反应的影响。

Enterobiasis a child, when pinworm often go to bed after I climbed up onto the anus to lay their eggs, causing anal itching, children do not sleep peace molar phenomena also occurred in the evening.

有蛲虫病的孩子，每当睡觉后蛲虫常爬到肛门口产卵，引起肛门瘙痒，孩子睡不安宁也发生夜磨牙现象。

Several factors affecting the synthesis of urea-formaldehyde resin adhesive,including formaldehyde to urea molar ratio,urea adding method,pli value,reaction temperature,reaction time,were discussed and several modifications of urea-formaldehyde resin were also compared.

介绍了脲醛树脂胶粘剂的研究现状与进展方向。探讨了影响脲醛树脂胶粘剂合成的主要因素，包括甲醛-尿素摩尔比、加料方式与顺序、pH值、反应温度和反应时间等，并比较了不同的改性方案。

After extensive experimental studies,the optimum baking conditions were determined as follow:the molar ratios of potash feldspar powder and soda is 1.30,the baking temperature is 845℃,and baking time is 150 min.The optimum hyd...

对合成样品化学成分分析、X射线物相分析、红外光谱分析、扫描电镜分析表明，合成13X沸石分子筛结晶完好，性能优良，水热反应经由溶解水合反应和聚合浓缩反应两大阶段。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。