阳离子

It showed that this weak cation packing can be used for quantitative cation determination.

这一结果表明，此填料可用于阳离子定量分析。

It is absorbed by plant roots as the potassium ion, K+, and in plants is the most abundant cation in the cell sap.

以钾离子 K+的形式通过根系吸收，在植物中是细胞液里最丰富的阳离子。

In addition, the effect of eight general inorganic positive ions on the cellulase activity was also observed.

还对常见的八种无机阳离子对纤维素酶活性的影响进行了研究。

The advantage of supercritical carbon dioxide used as an environmental medium in polymerization and reactions in supercritical carbon dioxide are described. It includes homogeneous free radical polymerizations, precipitation free radical polymerizations, dispersion free radical polymerizations, emulsion and inverse emulsion free radical polymerizations, cationic polymerizations, ring-opening polymerization, melt-phase condensation polymerizations, sol-gel polymerizations, polymer blend synthesis, catalytic chain transfer polymerizations, oxidative coupling polymerization, nitroxide-mediated radical dispersion, atom-transfer radical polymerization, reversible addition-fragmentation chain transfer polymerization, electrochemical polymerization, simultaneous one-pot combination of enzymatic and chemical polymerization, copolymerization of carbon dioxide used as monomer.

评述了ScCO2作为聚合反应介质的优点，以及在ScCO2中可进行的聚合反应类型，包括均相聚合、沉淀聚合、分散聚合、乳液及反相乳液聚合、阳离子聚合、开环聚合、熔融态缩聚、溶液-凝胶聚合、聚合物混合合成、链催化转移聚合、氧化-偶合反应聚合、氮氧自由基可控活性聚合、原子转移自由基聚合、可逆加成-断裂链转移、电化学聚合、原子转移聚合与酶催化开环聚合两种活性聚合在ScCO2中同时聚合、二氧化碳作为原料共聚合等。

The adsorption characteristics of high charge density cationic polyamine on pulp fibers were studied in this paper.

摘 要：通过测量纸浆Zeta电位及聚合电解质的吸附量，研究了高电荷密度阳离子聚胺在纸浆纤维上的吸附特性，并将吸附聚胺后的纤维抄纸进行纸浆性能分析。

A low chest of drawers often supporting a mirror and typically used for holding clothes and personal items.

仅仅带低电荷的大的阳离子，能和大的多卤化物离子产生稳定的离子晶格。

Formulation, process technology and properties of cationic chloroprene latex modified emulsified pitch paint for bridges are introduced.

介绍了氯丁胶乳改性阳离子乳化沥青的配方、工艺及其性能特点。

The three new adsorbents were prepared with alkoids cinchonine、quinine and theophylline loaded on cation exchange resin respectively.

以阳离子交换树脂为支撑体，分别以生物碱辛可宁、奎宁、茶碱为衍生化试剂，合成了三种新吸附材料。

Flocculation was used to improve the settleability of sludge from final clarifier .

采用混凝改善二沉池排泥的沉降性能，结果表明：新型阳离子高分子絮凝剂CPF的效果明显优于PAM和Al2(SO4)3，当pH值为7。

The diffusion coefficient of cationic dye inmontmorillonite film is about one order of magnitude larger than that of Nafion film.

阳离子染料在蒙脱石膜内的扩散系数比在Nafion膜中的扩散系数大一个数量级。

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。