阳离子的

The conductive coordinative polymolecular compounds,which contain thetransition metal ions〓and〓as central metal ions,transition metal ionsor rare earth ions as counter cations and〓or〓as ligand,have been synthesized.

合成出以过渡金属〓、〓、〓、〓和〓作为中心金属离子、过渡金属或稀土离子作为抗衡阳离子、有机小分子〓或〓作为配体的导电性配位高分子化合物，它们均为能在空气中稳定存在且难溶和难熔的无定形粉末状固体。

Some popular seawater phosphate δ^18 O analysis methods were reviewed. Then MAGIC-CePO4 coprecipitation-cation exchange resin separation method was choosed to preconcentrate, separate and purify the phosphate. Some basic experiment conditions were also discussed.

通过对国内外海水中磷酸盐氧同位素组成的测定方法进行查阅，选择改进后的MAGIC-CePO4沉淀－阳离子交换树脂法对海水中溶解态磷酸盐进行富集、分离与纯化，并对实验条件进行了探讨。

Cd〓 may not be preconcentrated at PanY/ZMEs at open circuit and can be done at constant potential, show the ion-exchanged reaction between zeolite and surrounding electrolyte can not occur.

以PanY/ZME为工作电极用阳极溶出法测Cd〓时发现，在开路下不能富集Cd〓，只有通过阴极恒电位富集后，PanY/ZME对溶液中Cd〓才有响应，说明在PanY/ZME中不存在分子筛点位上的阳离子和溶液中阳离子的离子交换。

The results of intrinsic viscosity,elemental content and gel permeation chromatographic analyses showed the extent of biodegradation during the biological treatment increased with the content of pyridinium group in the polymer.

生物耗氧处理过程中该阳离子聚体片材的特性粘度、元素含量和凝胶渗透色谱分析的结果表明：聚合物中吡啶盐含量越大者，其生物降解性就越显著。

In order to explain the phenomenon, the process of activation sulfurization of LaCoO 3 in the presence of oxygen was studied by XPS, XRD and TEM methods.

在氧化气氛下预处理会产生更多的阳离子空位，从而使其CO高温氧化活性明显升高；在还原气氛下预处理会产生更多的氧离子缺陷，从而使其CO低温氧化活性明显升高[1] 。

Molecular recognition is an important research area in supramolecular chemistry.

分子识别是超分子化学研究的重要内容之一，它包括对中性分子、阳离子和阴离子的识别。

Under the conditions of suitable pH, chondroitin sulfate was reacted with cationic surfactant, such as tetradecyl pyridinium bromide, tetradecyl dimethyl benzyl ammonium chloride, cetyl pyridinium chloride monohydrate and cetyl trimethyl ammonium bromide, to form stable association microparticles.

在适宜的pH条件下，硫酸软骨素可与溴代十四烷基吡啶等阳离子表面活性剂形成稳定的缔合物微粒。

Using the cationic detergent benzyldimethyl -alkylammonium chloride instead of cytochrome C in spreading procedure, we have observed the binding site for EcoR Ⅰ on linear pBR322 DNA molecule in the presence of gluteraldehyde. The diameter of the bound EcoR Ⅰ molecules are 15nm which may be the tetrameric EcoR Ⅰ particles.

用低分子量阳离子去垢剂苯二甲基苄基氯化胺取代经典展层技术中的细胞色素C，汲取前人经验，建立了无蛋白展层技术，适用于蛋白质--DNA相互作用的电镜研究。

Copolymerization of acrylamidewith(2methacryloyloxyethyl)trimethyl ammonium chlorideinitiated by plasma in aqueous solution was studied.

季铵盐型阳离子聚电解质在污水处理、造纸、采油等许多领域的应用越来越得到人们的认同。

Mn(H_3biim)_2_2Cl_2 and Cd(H_3biim)_2_2Cl_2 have been synthesized from H_2biim, their structures were determined by X-ray crystallography. The two complexes have similar structures and both are neutral compounds. One N atom in H_2biim is protonated, forming a H3biim+ cation. The later is an unidentate ligand, the central metal, Cd or Mn is six coordinated and adopts a distorted octahedral environment.

合成了联咪唑锰配合物Mn(H_3biim)_2_2Cl_2和联咪唑镉配合物Cd(H_3biim)_2_2Cl_2，晶体结构表明这两个配合物结构相似，均为中性化合物，联咪唑的一个氮原子被质子化，形成一价阳离子(H_3biim~+)，它采取单齿配位，中心Mn原子是六配位，其配位环境为畸变的八面体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。