阳离子

The results show that the surfactant species impact apparently on the purity, dispersion degree and particle size of the reducing sample. The non-ion surfactants can improve the dissemination of ultrafine silver particles, but both the dispersive effects of cation and anion surfactants are unapparent.

结果表明：表面活性剂的种类对制备样品的纯度、分散性和颗粒大小有着重要的影响，其中阳离子表面活性剂和阴离子表面活性剂的分散效果不明显，非离子表面活性剂的分散效果最好。

The inhibition mechanism of MoO42- was that MoO42- transformed the hydrate ferrous oxide deposition film from anions selective to cations selective,and the cathodic process of underscale local corrosion was suppressed when it migrated into OCC.Meanwhile, the migrated MoO42- resulted in increasing the impedance of the film on the substrate metal and so inhibited the anodic process of the corrosion reaction inside the OCC.

MoO42-的作用机制在于使水合氧化铁腐蚀膜由阴离子选择性变为阳离子选择性，H+可以从膜下扩散出去，而Cl-难以扩散到膜下富集，抑制了腐蚀反应的阴极过程；同时MoO42-迁入闭塞区后增大了电极表面膜层阻抗，抑制了腐蚀反应的阳极过程。

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。

The influence of many factors on hydrogen storage capacity is emphatically analyzed, such as the zeolitic structures, Si/Al ratio, type of cations in zeolites and the difference of adsorption experimental conditions, etc.

重点分析了沸石的结构类型、硅铝比、阳离子类型及吸附实验条件差异对储氢量的影响，并讨论了超临界吸附理论模型的发展状况，最后探讨了沸石作为储氢材料的可行性和发展方向。

Its chemical structure ensures that the thickener does not react with cationic, anionic or zwitterionic surfactants and emulsifiers and does not require neutralization.

其化学结构确保增稠剂没有反应，阳离子，阴离子或两性离子表面活性剂和乳化剂，并且不需要失效。

Zwitterionic surfactant not only has properties of conventional surfactants, but also has many unique properties, for example, the low toxicity and stimulating to the skin and the eyes, good biologic degradation, basically no social effects of pollution, in addition it is able to bear the hard water and the high concentration electrolyte.

两性表面活性剂不仅具有阴、阳离子表面活性剂的性能，而且具有许多独特之处，例如，低毒性和对皮肤及眼睛的低刺激性，良好的生物降解性，基本上无公害和污染，而且具有耐硬水及高浓度电解质性能。

The results showed that good synergism of all composite systems could be seen, especially the composite systems of anionic/cationic, anionic/zwitterionic surfactants showed better synergism than others.

结果表明：复合体系均体现了一定程度的协同性能，但阴／阳离子型、阴／两性型表面活性剂复合体系的增效协同性能更好。

General meanings, feather and behavior of surfactant, Chemical structure, characteristic and synthesis of anionic, cationic, non-ionic and zwitterionic surfactants, Extraordinary properties and their correlative effecting factors.

阳离子、非离子和两性离子表面活性剂的化学结构、特点和合成方法；同时对表面活性剂的性质及相关因素作一大致的阐述。

Then gel filtration, positive ion resin absorption and isoelectric deposition were applied for polysialic acid purification process. The purity of polysialic acid was above 90 % with neutralisation deposition method and the recovery yield of polysiac acid was 55.8%.

探讨了凝胶过滤法、阳离子树脂吸附法、中和沉淀法进一步纯化聚唾液酸的工艺，其中中和沉淀法可使聚唾液酸纯度达到91.5%，回收率为55.8%。

Only average percentage of Al in episode days is high than that in nonepisode days.The A/C ratio of the cation or anion in PM10 is greater than 1 for every sampling situation. It was highly correlate between NH4+ and NO3-, NH4+ and SO4-2 of PM10 particle among four sites. The NR of each site was all 1. It means that the PM10 particle is acidulated during the sampling period and that phenomenon worth to be researched further in the future.

无论污染事件日、非污染事件日或日、夜间，各测站PM10上阴、阳离子当量比之比值均大於1；各测站PM10微粒中NH4+与NO3-间及NH4+与SO4-2间均呈高度之相关性，其PM10微粒之中和比值(neutralization ratio；简称NR)均小於1，表示各测站在本研究之采样期间，其PM10微粒均偏酸性，其原因未来值得深入加以探讨。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。