阳离子

The relationship between the structure and antistatic performance of different antistatic agent such as anionic, cationic and amphoteric antistatic agent was studied.

详细地研究了阴离子、阳离子型以及两性抗静电剂的抗静电性能与其结构以及其使用浓度的关系。

When the pH value of the solution contained in Cd~(2+) is near 5, the amount of Cd~(2+) exchange in analcime reaches to a summit; when the temperature increases, the amount of Cd~(2+) exchange in unit mass analcime also increases; when initial Cd~(2+) concentration decreases, the remove rate of Cd~(2+) increases while the amount of Cd~(2+) exchange in unit mass analcime also decreases; when other cations coexist in solution, there must be some influences to the Cd~(2+) exchange in analcime.

实验表明：当交换液的pH值为5左右时，方沸石对Cd~(2+)交换量较大：反应温度升高时，单位质量方沸石对Cd~(2+)交换量增大；随着溶液中Cd~(2+)初始浓度减小，方沸石对Cd~(2+)的去除率升高，但单位质量方沸石对Cd~(2+)的交换量逐渐减小；当溶液中有其他阳离子共存时，对方沸石与Cd~(2+)的交换也有一定的影响。

In this paper,the drag-reducing surfactant solution flows in a fully developed turbulent channel flow have been analyzed experimentally using Phase Doppler Anemometry and thermocouples in order to study the temperature fluctuations and heat transfer characteristics on the drag-reducing and heat transfer reduction phenomena of the surfactant solution flows.

该文针对在水中添加阳离子表面活性剂产生的减阻作用同时降低传热性能的现象，应用相位多普勒激光测量系统和热电偶温度测量系统对二维流道内表面活性剂减阻流体热边界层内的湍流温度脉动以及传热特性进行了实验研究。

Finally,the influence of the cation and anion of different ionic liquids on the oxidation was studyed.

进一步研究了离子液体的阴、阳离子组成对氧化结果的影响。

The geometric structures of the ground states of anisole and anisole cation also are optimized at HF/6-31G level, furthermore, the stable structure is acquired. In addition, we also calculate the energy of anisole and its main fragment ions.

应用高斯软件采用HF/6-31G 方法对苯甲醚分子和苯甲醚阳离子基态的几何构型进行优化得到其稳定构型，并计算了苯甲醚分子离子及其初级解离产物的能量。

The electro-oxidation in anion exchange membrane system can be carried out in larger range of anolyte acid but cation exchange membrane system only for over 0.75mol/L.

发现阴离子膜电解体系可以在较大的阳极液酸度范围内进行铈的电解氧化，而阳离子膜电解体系则必须在大于0.75mol／L的酸度条件下进行。

Under the conditions of stir speeds 400 r·min~(-1) and distance between anode and cathode 1 mm, by using the orthogonal design, the optimum technological conditions were found that the current density was 0.3 A·cm~(-2), initial NaOH concentration in catholyte was 50 g·L~(-1), reaction times of two steps were all theoretical electrochemical reaction times. In the first electrosynthesis, initial Na_2CrO_4 concentration in anolyte was 650 g·L~(-1), and reaction temperature was 80℃. In the second electrosynthesis, initial Na_2Cr_2O_7 concentration in anolyte was 700 g·L~(-1), and reaction temperature was 85℃.

324全氟磺酸增强复合阳离子交换膜、阴阳极液中搅拌速度均为400r·min~(-1)条件下，通过正交实验得到优化工艺条件为：电流密度0.3A·cm~(-2)，阴极液氢氧化钠初始浓度50g·L~(-1)，两步反应时间均为理论电催化反应时间，第一步阳极液铬酸钠初始浓度650g·L~(-1)，反应温度80℃，第二步阳极液重铬酸钠初始浓度700g·L~(-1)，反应温度85℃。

The formation of Fe—O—Fe antiphase boundaries are suppressed by the doping Al due to the improvement of the cation ordering, and the high field magnetoresistance that roots in spin-dependent scattering at the antiphase boundaries is reduced.

阳离子有序度的提高使来源于自旋相关电子在反相边界处散射的高场磁电阻明显降低，导致了样品的磁电阻在x=0.15时达到了最大值。

RN2, in which R is an aromatic hydrocarbon.

重氮基一价阳离子rn2，其中r是芳烃

Based on the inhibition of arsenite to the acetylcholinesterase , we developed a flow injection assay for the determination of arsenic in drinking water.

通过在样品溶液中加入2-PAM和EDTA以屏蔽有机磷类毒剂及重金属阳离子的影响，实现了对饮用水中亚砷酸根的特异性检测。

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。