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- Their antistatic performances were determined using methods of electrification voltage by friction and surface density of charge. 采用摩擦起电电压法和电荷面密度法，对其进行了抗静电性能测试。
- surface density of charge 电荷面密度
- The surface density of galaxies in a cluster can be measured from photographs. 一个星系团中星系的表面密度可从其照片上测得。
- The electric potential and field strength around electric mains being influencedby electrified cloud are calculated. The density of charge on the surface of electric mains iscalculated as well. 计算出带电云层影响下的输电线周围空间的电势、场分布以及输电线上的电荷密度分布.
- The surface density of CgA positive cells in gastric ulcer group decreased than that of saline group on the 6th and 10th days after operation(P< 0.01) . 溃疡组CgA阳性细胞面密度于术后 6d、10d低于盐水组 ;均为P <0 .;0 1。
- Under the electron microscope observation,the surface density of dentin was increased,the dentine canals were reduced and sealed partially or completely. 电镜下可见牙本质表面密度提高，牙本质管口缩小伴部分或完全封闭。
- In single crook we change the density of charge in crook to adjust the velocity profile. 电渗驱动下弯道引起的弯道内外径速度差可以通过改变弯道形状和电渗强度的方法进行改善。
- The influence of charge density of infrared composition, PTFE/Mg, on the linear combustion speed, quality combustion speed, emission intensity and quality emission energy are introduced in this paper. 本文介绍了聚四氟乙烯/镁红外诱饵剂的装药密度对线燃烧速度、质量燃烧速度、辐射强度和质量辐射能量的影响。
- Surface density of ionizing radiation 游离辐射表面密度
- The density of population in this city is very high. 这个城市的人口密度非常高。
- Wave vector resolved surface densities of states and band structure along the surface Brillouin zone are presented. 采用层轨道表象及表面投影技术 ;给出了 (313)表面在二维布里渊区高对称点的波矢分辩的电子态密度和表面投影能带结构 .
- We also give a brief account of charge density waves (CDW). 对电荷密度波也作了简单的介绍。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- The Camputation for Surface Electric Density of Charge Isolute Conduction 带电孤立导体面电荷密度的计算
- The department store delivers free of charge. 这家百货商店免费送货。
- We can deliver goods to your door free of charge. 我们可以免费送货上门。
- Window-shopping is free of charge. 浏览商店橱窗是免费的。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- Book jackets are free of charge. 书套是赠送的。
- The pamphlets are free of charge. 这些小册子是免费的。
