Our study indicated that most of the silver in lead concentrate occurs in the form of coarse particle, unlocked particle, uncomplete dispersion, crust or radial shape of silver sulphide. 研究发现,铅精矿中的银主要为大颗粒自然银、呈单体状,尚没有完全分散开,周围的硫化银呈皮壳状、放射状。
Author believe that optimization of the grain grading of coarse aggregate, especially the particle size distribution of binding material, and application of advanced concrete additive with both effect of electrostatic dispersion and steric stabilization are two im-portant technological approach to improve above mentioned performances of fresh concrete. 指出优化混凝土的颗粒级配,尤其是胶结材的粒级分布,采用具有静电位阻复合稳定效用的外加剂,是改善混凝土上述性能的二个重要技术途径。
A new scheme for optimization of coarse wavelength-division-multiplexing ( CWDM) system based on directly modulated lasers ( DMLs) and non-zero dispersion shifted fibers ( NZDSF) is proposed. 利用光通信系统设计平台,研究了一种基于直接调制激光器和非零色散位移光纤(NZDSF)的高速粗波分复用(CWDM)系统的优化方案。
According to electron microprobe analysis and neutron activation analysis, silver is mainly rich in the coarse grained sulfide and fine grained sulfide aggregate as dispersion regime in the massive sulfide ore. Silver enrichment mineralization occurs in the early and late period of hydrothermal activity. 电子探针和中子活化的分析结果表明,在块状硫化物矿石中,Ag主要以分散态富集在粗粒硫化物和细粒硫化物集合体中,在热液活动的早期和晚期均有Ag的富集。
The method calculating these parameters is also given. With the present model, one can calculate the coarse dispersion of SiC/ SiO_2 fractal interface to channel electrons. 在此分形模型的基础上,能计算出SiCSiO2界面对沟道电子的粗糙散射。
Based on the physicochemical conceptions of dispersion system, dispersion phase and dispersion media, the wastewater body was considered as a composite tri phase dispersion system composed of coarse, colloid and molecules dispersion systems. 应用了分散体系、分散相、分散介质等物理化学概念,将污水水体视为复合三元分散体系,即粗分散体系、胶体分散体系和分子分散体系。
The Coarse Dispersion of SiC/ SiO_2 Fractal Interface 具有分形结构的SiC/SiO2界面的粗糙散射
A study of the stability of sio_2 coarse dispersion SiO2粗分散体系稳定性的研究
CWS is a solid-liquid two-phase coarse dispersion system, which is an unstable thermodynamically system, therefore the additive agent especially the dispersant agent is significant for the preparation of the excellent coal-water slurry. 但是水煤浆毕竟是固液两相粗分散体系,属于热力学不稳定体系,因此添加剂特别是分散剂对制备性能优良的水煤浆意义重大。
It makes coarse whiting pulp in a good dispersion state, to be beneficial to uniform lapping particles. 因为它使重钙浆料溶液始终处于一个较佳的分散状态,利于对颗粒的研磨均匀。