2) Point of zero charge(PZC)
电荷零点
1.
Positive and negative charge amount, point of zero charge(PZC) and point of zero net charge (PZNC) of soils in central and southern China were studied on the basis of comparison of methods for the determination of PZC.
在比较几种测定土壤电荷零点方法的基础上 ,研究了中南地区几种土壤的正负电荷量、电荷零点 (PZC)和净电荷零点 (PZNC)。
3) zero point of charge
零电荷点
1.
Electrochemical parameters of Mg-Al-NO 3LDH particles in different electrolytic solutions (LiCl, NaCl and KCl), including zeta potential, isoelectric point (pH IEP), permanent charge density (σ P), and zero point of charge (pH ZPC) have been measured by electrophoresis method and potentiometric titration.
采用电泳法和电势滴定法测定出不同电解质 (LiCl ,NaCl和KCl)溶液中Mg Al NO3 层状双金属氢氧化物 (Mg Al NO3 LDH)颗粒的 ζ电位、等电点、永久电荷密度以及零电荷点等电化学物理量 ,探讨了电解质、pH和样品化学组成对Mg Al NO3 LDH电性质的影响 。
2.
The theoretical analysis on the zero point of charge (ZPC) and charge density of colloidal particle possessing permanent charges indicates that ZPC determined directly by means of potentiometric titration (PT) should be zero point of net charge (ZPNC) and the permanent charge density ( σ P) can be obtained from the adsorption amounts of H + and OH -( Γ OH - Γ H ) at ZPNC.
对用电位滴定法 (PT法 )测定的胶体颗粒零电荷点 (ZPC)的物理意义进行了理论分析 ,认为是零净电荷点(pHZPNC) ,推导出了pHZPNC、零可变电荷点 (pHZPVC)、永久电荷密度 (σp)、可变电荷密度 (σv)、净电荷密度 (σT)、pH和电解质浓度 (c)之间的理论关系式 。
3.
In this paper, the physical meaning of zero point of charge measured by acid -base potentiometric titration (PT) is discussed and it is considered to be zero point of net charge (ZPNC).
探讨了电位滴定(PT)法测定的零电荷点的物理意义,认为是零净电荷点(ZPNC)。
4) point of zero charge
零电点
1.
The relationship between the crystal structure and their point of zero charge, the floatability of some silicate minerals with and without metal ions as activator, using sodium oleate as collector, the adsorption behavior of the metal ions on the silicate minerals, are investigated by analysis the crystal structure of the silicate minerals.
通过分析硅酸盐矿物晶体结构 ,研究硅酸盐矿物零电点与晶体结构的关系 ,硅酸盐矿物在油酸钠体系中的浮游特性 ,硅酸盐矿物对金属离子的吸附规律 ,金属离子活化的矿物可浮性规
2.
The different methods for the determination of the point of zero charge were compared and the salt titration method was introduced with appreciation secondly.
首先讨论了进行电位滴定实验的时候,逐次加入的滴定剂中决定电位离子的数量与被分析憎液胶体分散相粒子表面电荷密度之间的定量关系式,比较了文献中几种不同的零电点的测定方法,进而肯定了其中盐滴定法的可行性。
5) zero potential point
电势零点
1.
Through electrostatics and examples of low-frequency alternating current and direct-current circuit, the problem of zero potential point is queried and clarified.
通过静电学、低频交流、直流等电路实例，质疑了电势零点问题，并对此进行了澄清。
2.
Selection of zero potential point in electrostatic field can be arbitrary in principle,however,it subjects to certain restrictions.
静电场电势零点的选择从原则上讲是任意的,但在一些具体问题中,又受到一定的限制。
6) zero point circuit
零点电路
补充资料：土壤电荷零点
分子式：
CAS号：
性质：土壤胶体表面的净电荷为零时的pH值。是表征水合氧化物型土壤胶体表面电荷性质的重要参数。土壤pH值大于土壤电荷零点时土壤胶体表面带负电荷，小于时带正电荷。
CAS号：
性质：土壤胶体表面的净电荷为零时的pH值。是表征水合氧化物型土壤胶体表面电荷性质的重要参数。土壤pH值大于土壤电荷零点时土壤胶体表面带负电荷，小于时带正电荷。
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