阴离子

Some major results are listed as follows. In preparing gold catalysts supported on alumina or ceria and zirconia modified alumina by the direct anion exchange method, it shows considerable simplicity, flexibility and reproducibility. Tuning the gold loadings and washing procedures could control the sizes of gold nanoparticles below 6 nm.

得到以下主要结果：采用直接阴离子交换法制备氧化铝和铈、锆改性氧化铝负载的金催化剂，操作简便灵活，重复性好，通过调节金负载量和洗涤方法，金颗粒尺寸可以控制在6nm以下。

A normal-phase liquid chromatographic method has been developed for determination of tocopherols and tocotrienols in hull-less barley.

本论文以裸大麦为原料，研究与探讨了生育三烯酚的分析检测、提取分离及对超氧阴离子自由基损伤人脐静脉内皮细胞的防护作用，主要实验结果如下

It suggests that layered double hydroxides may have application as the basis of a novel tunable drug delivery.

该研究指出了阴离子层状材料——水滑石在中药释释剂领域的应用潜力。

Her main research interests focus on intercalation chemistry of layered double hydroxides.

主要研究方向：层状阴离子粘土水滑石的插层化学。

The cathode is generally one of three materials: a layered oxide, such as lithium cobalt oxide, one based on a polyanion, such as lithium iron phosphate, or a spinel, such as lithium manganese oxide, although materials such as TiS2 were originally used.

阴极通常是以下三类材料：一种层氧化物，例如钴酸锂、一种阴离子聚合物，例如磷酸锂铁，或者是一种尖晶石，例如锰酸锂，象例如二硫化钛之类材料曾经是最初使用的材料。

2B acid was diazotised and coupled with 2,3-acid, an anionic surfactant was added after 30 min., then laked with CaCl2 to give the title pigment.

2B酸重氮化与2，3酸偶合，30分钟后，填加阴离子表面活性剂，用氯化钙进行色淀化得标题颜料。

As the distances between coordination sites of auxiliary ligands increasing, the distances between adjacent two-dimensional [Er(5-NO_2-bdc)_2]~- anion layers enlarged. As the bulks of auxiliary ligands largening, the coordination configuration of Er optimized and the dimensions of coordination polymers increased.

增大辅助配体的配位点之间的距离，增大了二维[Er(5-NO_2-bdc)_2]~-阴离子层之间的距离；增大辅助配体的空间位阻，优化了金属离子的配位几何构型，使配位聚合物的维度增大。

The scattering spectra of this system were measured using an ordinary spectrofluorophotometer. Influence of experimental conditions, such as pH, ionic strength, and concentration of CAS, on the intensity of light-scattering was studied. Effects of surfactants (cationic, anionic, and nonionic), amino acids, and metal ions on the combination of CAS with protein were also investigated.

用普通的荧光分光光度计测量了这一体系的散射光谱，研究了pH，离子强度和试剂浓度等实验条件对散射光强的影响，考察了阳离子、阴离子和非离子表面活性剂以及氨基酸和常见金属离子对反应体系的作用。

It was explored the feasibility of using malachite green reagent to determine anionic surfactant in surface water,through the contrast experiments.

通过比对实验来探讨用孔雀绿试剂法测定地面水中阴离子表面活性剂的可行性。

Exchang reaction of carbonyl with organic or inorganic ligands of electron-doner and metathesis of metal halids with carbonyl metal negative ion have been used to prepare some heteronuclear atomic clusters. The reaction condition are often moderate. They performed easier and have, a mord yield.

利用给电子有机和无机配位体的交换反应和金属卤化物与羰基金属阴离子的复分解反应，合成异核原子簇具有反应条件温和易于控制，收率较高的特点。

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。