hydrogen ion concentration

1. 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
2. The activity of the first hydrogen ion is similar to those from sulfuric acid and can be used to analyze the concentration of chromic anhydride and sulfuric acid.
   第一个氢离子的活跃程度与硫酸释放出来的氢离子相近，可用来分析铬酐与硫酸的总浓度；
3. 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。
4. 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。
5. 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。
6. 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。
7. 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
8. 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。
9. The research investigated the influence of the amount of alkali, reaction temperature, the amount of catalyst, hydrogen partial pressure, cobalt ion concentration, and high-temperature solid-phase hydrogen reduction on the ultrafine cobalt powder performance.
   考察了碱加入量、反应温度、催化剂用量、氢气分压、钴离子浓度、以及高温固相氢还原对超细钴粉性能的影响。

noun

1. the number of moles of hydrogen ions per cubic decimeter