离子

Ion chromatography using pellicular ion exchange resins and dilute solution can be devoted to the study of ion exchange thermodynamics and kinetics.

离子色谱法采用薄层离子交换树脂和稀溶液体系，可以作为研究离子交换热力学和动力学的理想手段。

Suppressor is the key part for IC instrument, and developing a high performance suppressor for IC instrument is quite important to gradient ion chromatography, to analysis of some ions which have strong affinities with the functional groups located on the surface of the pellicular ion exchange column packing.

抑制柱是离子色谱仪的一个核心部件，研制具有较高抑制容量的抑制柱对于离子色谱法的梯度淋洗、对于在分离柱上保留时间长的离子分析具有重要的意义。

In order to investigate the effects of thecomposition and structure of the conductive coordinative polymolecular compounds on theirconductivity,we choose the functional organic molecules that can form stable free-radicalions as the ligands,investigate the coordinative bridging interaction of the transition metals orrare earth ions with the ligands and the compositions and properties of the complexes.It willprovide scientific basis for the development and application of new conductive materials.

为了探讨和总结导电性配位高分子化合物的组成及结构与化合物导电性能的关系和规律，我们选择了能形成稳定自由基离子的功能性有机小分子化合物作为配体，研究它们与过渡金属离子及稀土离子的配位桥联作用以及有关配合物的组成和性质，从而为新型导电材料的开发和应用提供科学依据。

Var. pyramidalis is not positively correlated with ion concentration in growth environment, the capacity of selective absorption and transport of ions in Populus alba L. var. pyramidali under salt stress in drainage canal is higher than Populus alba L. var. pyramidal is of normal growth in irrigation canal. Under salt stress, the concentration of K(superscript +)、Na(superscript +) of roots and leave of Populus alba L. var. pyramidalis have changed, the concentration of K(superscript +) of roots and leave dropt the concentration of Na(superscript +) of roots markedly increased, the concentration of Ca(superscript 2+), Mg(superscript 2+) have slightly changed, the concentration of Ca(superscript 2+) of roots dropted, the concentration of Mg(superscript 2+) increased, the concentration of Ca(superscript 2+), Mg(superscript 2+) of leave increased.

主要结论为：新疆杨各器官的离子含量与生长环境中的离子浓度不存在正相关趋势；排渠盐胁迫下生长的新疆杨对离子选择吸收和运输的能力高于灌渠正常生长的新疆杨；盐胁迫下，新疆杨根和叶中K、Na的浓度发生了明显的变化，K浓度在根和叶中呈下降趋势，Na浓度在根中明显增加，根和叶中Ca(上标 2+)、Mg(上标 2+)浓度的变化趋势略缓，根中Ca(上标 2+)浓度下降，Mg(上标 2+)浓度增加，叶中Ca(上标 2+)、Mg(上标 2+)浓度有所上升。

In order to solve the problems of complex cellulose production process and serious pollution, The paper investigated the solubility of cotton stalk cellulose in ionic liquid N-ethyl pyridinium bromide. The structural differences between cotton stalk cellulose and cellulose regenerated from the ionic liquid were investigated using infrared spectroscopy and chemical analysis. Recovery ratio of ionic liquids was also studied.

为解决纤维素生产加工过程复杂且污染严重问题，试验探讨了棉秆纤维素在离子液体溴代N-乙基吡啶中的溶解性能，采用红外光谱等手段对棉秆纤维素在离子液体中溶解和再生前后的结构变化进行了分析，并探讨了离子液体的回收。

The main content includes:B-Site , and substitutions greatly decrease the dielectric losses ofO3 system ceramics under electric field; because of the different characteristics of different ions and the influence of pyrochlore phase created in system, B-Site and ion substitutions increase the dielectric constant of the system, whereas ion substitutions decrease the dielectric constant of the system.

论文的主要研究内容包括：B位，及的取代均大大降低了O3体系陶瓷在电场下的介电损耗；由于各离子特性的不同及体系中生成的焦绿石相的影响，B位，离子的取代使得体系的介电常数上升，离子的取代却使的体系的介电常数有所下降。

The results shows that: as the fast ions numberα=0, ie., the ions number density reduces to the Boltzmann ion distribution, the solitary waves are all rarefactive, which are in good agreement with Ref. [81]. as the fast ions increases, the compressive waves can also exist in some special regions.

结果表明，当快离子数为零时(α=0)，即离子分布退化为玻耳兹曼分布时，该系统只允许稀疏形孤波存在，这与文献[81]的结论相一致；而随着快离子数的增加(α≠0)，在某些特定的区域，还会出现压缩形孤波。

XRD results show that LSAM9191 is rhombohedral perovskite structure. Doping of Sr and Mg increases the ionic conductivity significantly.

通过掺杂，样品的离子电导率得到了显著提高，在900℃时LSAM9191的氧离子电导率为8.6×10^(-3)S/cm，离子电导活化能为1.04eV。

A series of adsorption cation resins were prepared by loading different metal ions on macroporous sulphonic resin(D151)respectively,and the adsorption property of isomaltotriose on these resins has been investigated.

将一系列不同的金属离子分别载于D151树脂上，制备成基体相同而负载离子不同的一系列吸附树脂，考察各种负载金属离子树脂在水中对异麦芽三糖的吸附性能，从中筛选出吸附和洗脱性能较好的D151Ca2+型树脂。

Based on the research results, the shot peening+ion sulphurization and ion nitriding+ion sulphurization duplex treatments were used to treat the steel surfaces, the effect of sulphide layer could be further developed.

依据研究结果，对钢铁表面进行喷丸+离子渗硫、离子渗氮+离子渗硫复合处理，以进一步发挥渗硫层的作用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐