1) Hydrogen Concentration
氢浓度
1.
In order to investigate the material behaviors of resistance to hydrogen embrittlement, the hydrogen concentration in specimens reaches 6.
为研究该材料抗氢脆的性能,试样中的氢浓度约6。
2.
34 MPa·m1/2), decreased linearly with the logarithm of hydrogen concentration in the specimen, C0, i.
研究了氢致滞后断裂门槛应力强度因子和试样中可扩散氢浓度的定量关系。
3.
The subject of investigations included SCC susceptibility of API X-60 pipeline steel at various testing conditions in the soil containing water, hydrogen concentration in the steel an the role of hydrogen in cracking process.
为了探讨氢在X60钢应力腐蚀中的作用,采用电化学方法研究了氢在钢中的扩散规律,建立了充氢电流与X60钢中可扩散氢浓度间的定量关系。
2) hydrogen ion concentration
氢离子浓度
1.
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。
2.
The parametric relationship between hydrogen ion concentration and several major pollutants such as sulphur dioxide,volatile organic compounds,ammonia and nitrogen oxides in the atmosphere as well as temperature,zenith angle and rainfall intensity was studied based on some simplified assumptions of the Acid Rain Model in the physical precipitation.
对酸雨模式中降雨的物理过程进行了简化假设,在此基础上研究了大气中影响降雨氢离子浓度的几种主要污染物(SO2 ,VOCs ,NH3 ,NOx) 及温度、天顶角、雨强等因素同降雨氢离子浓度的参数关系。
3) high concentration hydrogen
高氢气浓度
5) Atomic hydrogen density
氢原子浓度
补充资料:氢离子浓度指数
分子式:
CAS号:
性质:又称PH值。PH是以氢离子浓度表示的水的酸、碱性的量度,氢离子浓度是每升溶液中氢离子的质量(以克表示),用氢指数PH来表示,故PH便是氢离子浓度指数。PH在数值上等于氢离子浓度的负对数,即氢离子浓度倒数的对数。纯水的PH值=7;酸性水的PH值<7;碱性水的PH值>7。
CAS号:
性质:又称PH值。PH是以氢离子浓度表示的水的酸、碱性的量度,氢离子浓度是每升溶液中氢离子的质量(以克表示),用氢指数PH来表示,故PH便是氢离子浓度指数。PH在数值上等于氢离子浓度的负对数,即氢离子浓度倒数的对数。纯水的PH值=7;酸性水的PH值<7;碱性水的PH值>7。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条