配位体

这些反映包括进入的配位体对铝的空轨的电子给予作用。

These reactions involve electrondonation from the inconing ligand to the empty dorbitals of the molybdenum .

载Fe（Ⅲ）配位体交换棉纤维吸附剂在去除饮用水中氟离子的应用

The removal of fluoride in drinking water by the novel bead fe (ⅲ) - loaded ligand exchange cotton cellulose adsorbent

考察了反应温度、CO压力、催化剂助剂、络合配位体以及溶剂等因素对催化剂活性和选择性的影响。

The effect of temperature , partial pressure of CO , promoters , ligands and solvents has been studied .

因此，采用柠檬酸和氯化铵为混合配位体，硼酸为稳定剂从水溶液中电沉积出Ni－La－P合金镀层。

Nickel-lanthanum-phosphorus alloy deposits were obtained from aqueous solutions by using citric acid and ammonia chloride as mixed ligand and boric acid as stabilizer .

DOM在水环境中起着重要的作用，它是水环境中重要的配位体和吸附载体。

DOM plays a central role in aquatic environment . It is an important ligand and sorbent .

还讨论了硝酸盐浓度，配位体和pH变化等因素对催化还原波特性的影响。

The effects of concentration of nitrate and ligands and pH variation and other factors on the characteristics of the catalytic reduction wave were also discussed .

配位体缓冲溶液的理论考察无缓冲服务的DoS攻击

Denial of Service in Non-Buffer Systems

异羟肟酸型配位体对TBP萃取钚行为的影响研究

Effect of hydroxamic acid ligands on the extraction of plutonium by TBP

碱性锌酸盐电镀液中（pH>13）锌离子主要是以四配位体Zn（OH）2-4的形式存在；

Zinc ions mainly exist in the form of Zn ( OH ) ~ ( 2 - ) _4 in the alkaline zincate bath ( pH > 13 ) .

结晶水和游离水的存在修改了中心离子Cr（Ⅲ）的配位体场，使得彩虹色铬膜层的吸收谱带受到影响。

The presence of hydrate water and free-water modifies the ligand field of central ion Cr (ⅲ), so that the absorption bands of iridescent chromium films are influenced .

掺杂金属离子对TiO2相组成的影响取决于金属离子的离子半径、电荷及配位体特征。

The influence of doped metal ions on the phase composition of TiO 2 film was determined by radius , charge and ligand of metal ions .

同时发现铜络合配位体浓度与BOD（生化需氧量）、COD（化学需氧量）、DOC（溶解有机碳）及黏度存在显著的正相关性。

Meanwhile , the positive relationship between copper ligands concentration and BOD , COD , DOC and the viscosity are found obviously .

热力学计算和实验证明配位体浓度，如CO3~（2-），F~-等，是阻碍铀还原沉淀的主要因素。

The thermodynamic calculations and the experiments prove that the coordinate ions ( CO_3 , F , P , etc ) serve as main hydrochemical factors to prevent the reduction and precipitation of uranium .

A型替换CHAP的替换方式是犤CO3犦三角形配位体替换通道位置的OH-；

In the type A CHAP , triangle coordination is substituted for in channel site ;

在某些辅助配位体存在下钒和5-Br-PADAP显色反应的研究

Investigation of color reaction between vanadium and 5-Br-PADAP in the presence of several auxiliary complexing ligands

试验发现作为一种有机配位体，DOM暴露浓度较高时对Cu由根表吸附位进入玉米内部这一过程有负作用。

DOM , as an organic ligand , influenced the partition of Cu between the root epidermis and root , and restrained the internalization process of Cu at high exposure level of DOM .

以20种不同的可作为钼的配位体的有机化合物对Na2MoO4-KBH4系统乙炔还原催化反应的影响在相同条件下进行比较，可以看到一些有趣的规律。

Twenty different organic compounds used as ligands for molybdenum were added respectively to the Na_2MoO_4-KBH_4 system and their catalytic reaction of acetylene reduction were compared . Some very interesting results were obtained .

通过使用含醋酸-磷酸配位体溶液与否以及加入很少体积的酸或碱试剂来固定溶液的pH值，可以确定金属离子和金属复合物在吸附现象中所起的角色。

By using the solution with ligand of acetic-phosphoric or not and the addition of small volumes acid or base to set the pH , it was possible to determine the roles of metal ions and complexes in adsorption phenomenon .

采用改进的乳化液膜，研究了萃取剂、配位体、pH值、提取搅拌速率和乳外比等对镉萃取的影响，并确定了最佳提取条件，使镉的提取率达99%左右。

Effects of extractant , liquid , PH , stirring speed during extraction and treat ratio on Cadmium extraction were studied by using improved liquid surfactant membrane . Optimal conditions of extraction were determined . Recovery of Cadmium was increased to 99 percent .

结论Cr（V）化合物与葡萄糖的配位体交换反应取决于配位体结构、葡萄糖的浓度及反应体系pH值，同时产生新物种。

Conclusion The exchange reaction between Cr ( V ) and sugars depends on the structure of sugars , concentrations of sugars and pH values of the system . The lifetime of new species is related with the nature of the system .

腐殖酸分子量越小，含有的羧基和酚羟基等含氧官能团越多，低分子量腐殖酸级分与纳米TiO2的配位体反应程度较高，腐殖酸吸附量也越大。

The smaller molecular weight of humic acids is , the more oxygen groups such as carboxyl and phenolic hydroxyl it contains , the more reaction between the low molecular weight and humic acid , the greater absorption of humic acid .

〔方法〕经配位体PDCA与甲醛来修饰的玻碳电极，在含铅磷酸盐缓冲溶液中，经循环伏安测定铅的阳极溶出峰。

〔 Methods 〕 After electrochemical PDCA modified glassy-carbon electrodes ( CMEs ) was put into phosphate amortize solution contained lead , anodic stripping peak of lead (ⅱ) was detected by cyclic voltammetry .

配位体的C-O-C红外伸缩振动频率向红移，提供了两者发生配位的迹象。

The red shift of C-O-C stretching vibration frequencies of IR reveals that the coordination interaction may take place .

研究了配位体配比、金属离子对催化剂活性的影响，并研究了反应物甲醇与环氧氯丙烷配比及催化剂用量对DMC产率的影响。

The effects of the proper ratio of ligand , metal iron on the catalyst were investigated . The proper ratio of the methanol and chloroepoxy propane , the content of catalyst on DMC rate were also studied .

同时测定了上述三种配位体的电离常数pKa~c，两相分配系数Kd，两相电离常数pKa~cE和络合物的稳定常数β（31）、β（30）。

The stability constants of complexes (β 30 ,β 31 ), dissociation constants ( pKac ) . and two-phase dissociation constants ( pKacE ) and two-phase distribution coefficient of the ligands ( Kd ) were also determined .

由于铷化合物的金属与配位体间（MLCT）电荷转移特性，使得该聚合物的光折变特性得以增强。

This polymer shows an enhanced photoinduced metal to ligand charge transfer ( MLCT ) inside the ruthenium complex .

根据E-C方程和文献数据证明了海水介质中主要无机配位体与各种金属离子形成的络合物表观稳定常数之间存在着LFERs。

Based on both the B-C equation and literature data it was proved that LFEEs existed between apparent stability constants of complex compounds formed from major inorganic ligand with various metal ions in sea water media .

（PO4）~（3-）四面体的振动频率对晶体结构很敏感，镧系收缩引起的频移与振动性质以及镧氧配位体、磷氧四面体的结构方式有关。

The lanthanide contraction shifts the stretching and libration of ( PO_4 ) ~ ( 3 - ) and Ln O bond vibrations to higher frequencies . The amounts fo shifting are concerned with the structure of Ln O coordinations and PO_4 tetrahedra .

通过加热、形成O／W乳状液、加入油溶性降粘剂或竞争配位体，可以破坏氢键并部分拆散络合物结构，使稠油粘度降低。

When the original hydrogen bonds are destroyed , the mutual coalescing reaction of aromatic sheets is partly broken and the complexes structure is inhibited by heating , forming oil-in-water emulsion , and adding oil-soluble copolymeric reducer or prior coordinating agent , the viscosity of the crude will be lowered .

采用配位体交换树脂对中性氨基酸（Gly，Ala，Val和Leu）进行了分离，并与一般阳离子交换树脂的分离性能进行了比较，对淋洗剂、柱温等分离条件进行了实验；

Four neutral amino acids ( Gly , Ala , Val and Leu ) were separated with ligand exchange resins . The separation capacity of the ligand exchange resins was compared with that of common ion exchange resins .