阳离子的

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。

DETERMINATION OF THE PARTICLE DIFFUSION COEFFICIENT OF COBALT AND CALCIUM ON THE CATION EXCHANGER

在阳离子交换树脂上钴和钙的粒子扩散系数的测定

This article discusses the effect of reaction conditions on graft copolymerization and use as additives in papermaking was investigated.

结果表明，改变投料方式、控制两种单体适当的配比，可以获得较高分子量和阳离子度的稳定胶乳产品。

The cationic clusters Pt_2~+ and Pt_3~+can dehydrogenate methane efficiently due to remarkable thermodynamic stability of theproducts.

由于最终的生成产物拥有较高的热力学稳定性，Pt_2~+与Pt_3~+阳离子团簇都能有效地和甲烷发生脱氢反应。

After the contrast experiment, the 732 cation resin is used to depurate the GSH solution, the concentration of the eluant is the 0.2 mol/L NaOH solution, the GSH maximum returns-ratio is 68.37%.

经过对比试验采用732阳离子交换树脂进行谷胱甘肽粗提液的纯化，洗脱液选择浓度为0.2 mol/L的NaOH溶液，谷胱甘肽最大回收率为68.37%。

After the contrast experiment, it uses 732 cation resin to depurate the GSH solution, theconcentration of the eluant is the 0.2mol/L NaOH solution, the GSH maximum returns-ratio is 68.37％.

经过对比试验，本研究采用732阳离子交换树脂进行谷胱甘肽粗提液的纯化，经试验洗脱液选择浓度为0.2mol／L的NaOH溶液，谷胱甘肽最大回收率为68.37％。

With an increase of surfactant concentration, the macropolarity of diaspore surface ...

随着烃链碳原子数的增加，阳离子表面活性剂在一水硬铝石表面形成胶束吸附的浓度降低。

The influences of the amount of triethylenetetramine, temperature, molar ratio of epichlorohydrin and dimethylamine, and reaction time on the viscosity and cationic degree of the polyamine flocculants were investigated. Then the influence of pH value, flo-cculant dosage and temperature on flocculation effect were studied.

研究了三乙烯四胺添加量、反应温度、n∶n、聚合时间等因素对聚合物黏度和阳离子度的影响，并考察了该聚合物用于造纸废水处理时，体系pH值、絮凝剂用量对絮凝效果的影响。

Results indicates,these six kinds of naphthalene sulfonic acidformaldehyde condensation product quaternary ammonium salts have excellent dispersiveness,as well as water-reducing and strength-increasing abilities.

前期研究结果表明：混凝土聚合物型外加剂中金属离子的改变对其性能有较大影响。与金属离子相比，季铵阳离子在分子结构、空间体积、亲水性等方面具有更大的可变性。

Because of different binding constants with surface functional group, there is different mobility with different kinds of divalent cation.

不同二价阳离子因为其与细胞表面官能基键结常数不同，而造成不同的电泳迁移率的变化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。