1) charge density
电荷密度
1.
The method of synthesis of P-DADMAC,the factors such as dosage of initiator,reaction temperature,reaction time and nitrogen feeding,the relationship between relative molecular weight and charge density,the effect of pH value on the charge density were studied.
探讨了引发剂用量、反应温度、反应时间、通氮气时间等因素对P-DADMAC相对分子质量的影响,以及相对分子质量和溶液pH值对电荷密度的影响;研究了P-DADMAC对浆料的助留助滤作用,以及作为阴离子杂质捕捉剂时与CPAM的协同作用。
2.
The calculation of charge population,bond length and difference electric-charge density between Fe and Al atoms show that the bond between Fe and Al will be enhanced after doping th.
结果表明:元素Zn、Mn、Ni都会优先替换界面处的Fe原子,使得界面结合能增加,体系更稳定,有利于界面的结合;跨界面的Fe原子与Al原子之间的电荷布居、键长以及差分电荷密度图的计算表明:掺杂后有利于跨界面的Fe-Al间成键,从而加强了Al层与Fe基体的结合,且结合强度由强到弱依次为:掺Zn>掺Mn>掺Ni;与实验比较吻合。
3.
Using the extended Su-Schriffer-Heeger model,in real space,we calculate the electronic structure and charge density of three systems,(9,0)-(8,0),(9,0)-(7,0) and (9,0)-(6,0),which are achieved by introducing topological defects (5/7) ,(5/6/7),and (5/6/6/7) in the perfect hexagonal network of the zigzag carbon nanotube configuration.
在紧束缚近似基础上,利用扩展的SuSchrifferHeeger(SSH)模型,在实空间中计算了理想的“zigzag”碳纳米管中分别引入5/7,5/6/7,5/6/6/7拓扑缺陷所构成的(9,0)(8,0),(9,0)(7,0)和(9,0)(6,0)三种系统的能带结构和电荷密度,并对这三种系统的计算结果进行了比较。
2) electric charge density
电荷密度
1.
It tests the resistance of yarn and the electric charge density of fabric on surface.
将有机导电纤维与羊毛混纺制成纱线与织物,测试纱线电阻值及织物表面摩擦电荷密度,研究导电纤维含量、织物组织结构及纱线线密度对织物抗静电性能的影响。
3) charge density
荷电密度
1.
Method for obtaining the charge density of nanofiltration membrane;
一种求得纳滤膜荷电密度的快速方法
4) high charge density
高电荷密度
1.
This paper simply introduces the research and application on high charge density organic flocculant at home and abroad in the past twenty years,objectively and scientifically points out the problems and developing orientation of the research and manufacture in high charge density organic flocculant in our country.
高电荷密度有机絮凝剂因其优良的絮凝性能和较宽的适用范围,受到了国内外众多研究者的重视与开发应用。
2.
The fine paper containing bagasse chemical pulp and chemical wood pulp was sized with PAC modified cationic dispersed rosin size and AKD emulsion,and high charge density PAC was used as precipitating agent.
结果表明,PAC及其复合物电荷密度对施胶有较大影响,在加入相同电荷量的PAC及其复合物时,高电荷密度PAC复合物比高纯PAC获得更高的施胶pH值和更满意的施胶度,PAC及其复合物改性阳离子松香胶对AKD的施胶有增效作用。
5) Electric Charge Surface Density
电荷面密度
1.
Distribution of electromagnetic field between plates and electric charge surface density and current surface density on plates of a parallel plate capacitor in alternating current circuit are calculated by Maxwell′s equations and boundary conditions, the results are discusse
应用麦克斯韦方程和边界条件，计算了交流电路中平行板电容器极板间的电磁场、极板电荷面密度和电流面密度的分布，并对结果进行了讨
6) surface charge density
电荷面密度
1.
Surface chemical properties of magnetite were investigated by measuring Zeta potential and surface charge density.
以Zeta电位和电荷面密度为定量指标,研究了不同分散剂如十二烷基硫酸钠、聚乙二醇及柠檬酸对Fe3O4 表面化学特性的影响。
2.
The surface charge density of the infinite conductor and wedge-shaped conductor as well as the gibbous surface of the half-columniform conductor is calculated in detail.
对无限大导体表面,楔形导体表面,半圆柱形凸起表面电荷面密度进行了具体的计算,结果表明在静电平衡的条件下导体表面虽曲率相同,但表面电荷面密度却可以不同。
3.
Applying the finite difference method,the numerical simulation of the surface charge density of a finite conductor stick is presented.
利用有限差分法对有限长导体棒电荷面密度进行了数值模拟。
补充资料：电荷密度
分子式：
CAS号：
性质：原子或分子中某特定点的电荷密度或分子中某一特定原子所带的电荷。如果已经知道了体系的波函数ψ(r)，则在原子或分子中某点r处的电荷密度为-e|ψ(r)|2dτ。而分子中某一特定原子所带的电荷通常是根据原子轨道Ф线性组合而成的分子轨道φi=∑ciμφμ计算得到的，例如分子中某原子所带电荷为∑ni|Ciμ|2，其中ni为占据轨道中的电子数。
CAS号：
性质：原子或分子中某特定点的电荷密度或分子中某一特定原子所带的电荷。如果已经知道了体系的波函数ψ(r)，则在原子或分子中某点r处的电荷密度为-e|ψ(r)|2dτ。而分子中某一特定原子所带的电荷通常是根据原子轨道Ф线性组合而成的分子轨道φi=∑ciμφμ计算得到的，例如分子中某原子所带电荷为∑ni|Ciμ|2，其中ni为占据轨道中的电子数。
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