络合剂

• Respectively proceeding with bromine complexing agent of anode , modified membrane and electrolytic additive of cathode , mainly referring to specific power of battery , ratio of self - discharge and zinc dendrite , this paper has studied the influences of different anode additive and modified membrane on specific energy of battery by means of charge and discharge curves , and the influences of electrolytic additive ( nh4 + , op - 10 , tx - 10 and dodecyl trimethyl ammonium bromide ) on zinc dendrite by means of current - time curve and microscopic morphology observation
  本文分别从正极溴络合剂、隔膜改性和负极的电解液添加剂入手，以电池的比能量、自放电率以及锌枝晶生长情况为主要的性能指标，用电池充放电曲线等方法研究不同正极添加剂和隔膜改性对电池比能量的影响；用电流-时间曲线以及微观形貌观察等方法研究电解液添加剂( nh _ 4 ~ + 、 op - 10 、 tx - 10以及十二烷基三甲基溴化铵)对锌枝晶生长的影响。
• In the machinery industry , the sodium citrate is widely used for replacing sodium cyaniding to clean the metal surface of heat exchanger metal surface and the chemical pipeline , because of its nonpoisonous , no pollution , high combine performance , it is good buffer and complexing agent in the electroplate industry
  在机械造业中，柠檬酸纳由于无毒、无污染，高整合性能，因此广泛用于替代氰化钠，处理金属表面热交器和化工管道的清洗剂，是电镀工业良好的缓冲剂和络合剂。
• Still further , the research work was described in detail as the following aspects : l ) the preparation of ti02 solution doped with ag ~ the main components of the prepared solution contained ot tic ) 2 , ti ( oc4h9 ) 4 , which served as precursor to prepare homogeneous and transparent solution , and ag ~ , which was introduced from agno3 and stabilized by citric acidor na2s2o3 . with different ratio of water , alcohol and complexing agent , different kinds of tic ) 2 - ag " solution were got
  本论文的工作主要包括以下六个方面： 1 )含银离子二氧化钛溶胶的制备以钛酸丁脂为先驱体，调整溶液的ph值，以及络合剂制得均匀、稳定的含银二氧化钛溶胶，讨论了加水量、乙醇的加入量以及络合剂与溶胶过程特性的关系。
• The effect of complexing agents on phosphorus content of electroless nickel deposits was investigated by electrochemical measurement and composition analysis of ni - p deposits by xrf . phosphorus generation was induced by nickel species , and was greatly affected by the structures of nickel complexing agents , according to the cyclic voltammograms of niso4 , nah _ 2po _ 2 , niso _ 4 and nah _ 2po _ 2 , and niso _ 4 and nah _ 2po _ 2 added complexing agents
  在对仅含有次亚磷酸盐、硫酸镍、同时含有两种物质及在含有两种物质的溶液中加入不同络合剂的循环伏安曲线的测试发现,化学镀镍过程中磷的析出是受镍离子的诱导作用影响发生的,并且不同络合剂的结构对磷的析出有不同程度的影响。
• Meanwhile , fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained . function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin , and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits , and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off , but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits , and improve the surface quality of the deposits and the bath stability
  阐述了镀液中各组分的作用：络合剂能有效地改变铜、锡的电位，促使初期的置换反应顺利进行；还原剂能加快化学反应速度，对反应动力学有积极的促进作用；抗氧化剂能有效地防止镀液中sn ~ ( 2 + )的氧化；添加剂a能提高镀液的稳定性，添加剂b对镀层能有细化和光亮作用，扩大了镀层光亮区的范围；添加剂c作为平滑剂，不仅能增强镀层表面的平整性，而且能提高镀液的分散能力；表面活性剂较好地解决了化学镀过程中汽泡在镀件表面聚集的问题，提高了镀层的表面质量和镀液的稳定性。
• When the bath load was increased , the plating rate was shortened . the effects of bath composition and plating conditions on the composition were also investigated . the x - ray analysis showed that edta and the stabilization agent can effectively increase the content of the copper oxidation in the composite powders
  粉体x ray分析的结果表明，络合剂对防止镀液中的氢氧化铜的产生起来关键作用，而氢氧化钢是产生氧化亚铜的直接原因，因而选用edta作为络合剂，以及合适的量，可以减少二射线中的氧化亚铜的馒头峰。
• During the preparation process of the solid solution , a series of effect conditions were discussed such as ph value , si / h2o , the content of ligant , the surface active agent , the aging temperature , the drying means , the drier gel calcine and their effects on the gel quality , the process of sol - gel , the granular of powder and the density of the pellets , from which the best reaction condition was found
  在制备过程中系统地研究了各种反应条件如ph值、 sal ； o 、络合剂的添加量、老化温度、干燥方式、干凝胶的锻烧方式等对溶胶“的质量、溶胶凝胶过程、粉体粒度及烧结体密度等的影响，确定了最佳反应条件：三、以li 。石i 。 。
• In the experiments , the stable ti02 - gel was prepared by sol - gel method with ti ( 0c4h9 ) 4 . different kinds of anti - bacterial powders were made by adjusting the content of ag ~ and complexing agent as well as the heat treatment . with different kinds of tests and measurements such as xrd , xps and bet , the cooperation effects of ag ~ and ti02 were analyzed
  分别改变了溶胶中银离子的含量、络合剂和凝胶热处理制度制备出各种抗菌粉体，并对其抗菌性能、安全性进行了较为详细的评价和表征，通过xrd 、 xps 、 bet等手段对样品的微观性能测试，并深入探讨了二氧化钛光活化和银离子抗菌的协同作用机理。