Hydrogen ion concentration

Method of hydrogen ion concentration determination for pesticide emulsifiers

GB/T3776.2-1983农药乳化剂氢离子浓度测定方法

Determination of the total hydrogen ion concentration in rainwater using coulometric titration

库仑滴定法测定酸雨中总氢离子浓度的研究

With the reduction of hydrogen ion concentration in the solution , the absolute value of Zeta potential is increased .

煤尘的表面电荷为负电荷，随着溶液中氢离子浓度的减少，Zeta电位的绝对值变大。

The optimum measured wavelength is 670 nm , the heating time 25 min and the hydrogen ion concentration 8 mol .

其最佳操作条件为：测定波长670nm：加热时间25min；

Using the definition and calculation formula of distribution coefficients , the deduction of the hydrogen ion concentration in solutions will be simple , clear and exact .

利用分布系数的定义和计算公式推导溶液的氢离子浓度，该方法思路简单、明了、求解准确。

The relation of titration percentage with hydrogen ion concentration is described in the all kinds of acid-base titrations . The expression of the calcuating PH valus is derived and it has applied example to calcuate PH value of the titration process .

本文阐述了各种类型酸碱滴走过程中，滴定百分数与氢离子浓度之间的关系式，导出了滴定过程中计算PH值的数学表达式，并应用于实例计算滴定突跃PH值。

Data of decrepitation temperature and homogenization temperature of main mineral inclusions and of chemical compositions the salinity , and hydrogen ion concentration ( pH value ) of the ore & forming fluid of gold deposits from volcanic terrain in Zhejiang are given in this thesis .

论文给出浙江火山岩区金矿床主要矿物包裹体的爆裂温度、均化温度以及成矿流体的化学成分、盐度和氢离子浓度（pH值）资料。

From the results obtained , it seemed likely that the hyperpnea induced by intravenous injection of ammonium chloride was duo to direct excitation of the respiratory center by increase in hydrogen ion concentration of the blood , and that the peripheral chemoreceptors played no significant role in this effect .

氯化铵所致的呼吸增强，可能主要是由于血浆中氢离子增加对呼吸中枢的直接刺激作用，外周化学感受器在这方面不起重大作用。