The product is applied to the system to take the soil in water moving through the flat, oscillating between dispersed particles under the mixed fluid, the supply of a variety of test items. 该产品适用于制取土壤在纯水中经过平动、往返振荡下分散颗粒的混液,供给各种试验项目所用。
Preparation of single dispersed nano-CeO_2 particles by ultrasonic atomization method 超声雾化法制备单分散纳米CeO2粉体研究
By using silver nano-aggregates as SERS substrates instead of dispersed silver particles, a great improvement of SERS signal intensity is achieved. 通过利用银纳米粒子聚集体代替单分散的银纳米粒子作为SERS基底,SERS信号得到明显增强。
Direct simulation of the influences on turbulent jet by dispersed particles 直接模拟离散颗粒对湍流射流的影响
Dislocations climb up and over the dispersed particles; 位错攀移越过晶内弥散分布的第二相质点;
The general simulation of operating performance for pulverized coal fired furnaces is made by means of the radiative heat transfer model of dispersed particles and new numerical scheme, which have been developed by us. 利用自己提出的弥散介质辐射模型和新的数值计算方法,对大型燃煤锅炉的实际燃烧过程进行了总体模拟,得到了十分令人满意的结果。
In this study, we use conductometric titration and TEM to study the distribution of carboxyl groups in the dispersion particles and the study shows that the carboxyl groups are all located on the surface of the dispersed particles. 本文采用电导滴定和透射电子显微镜(TEM)观测证明羧基分布在分散体粒子表面。
The Formation of Dispersed Particles in Medium Manganese Steel and Its Effect on Wear Resistance 中锰奥氏体钢弥散相形成及对耐磨性的影响
Influence of Morphologies of Dispersed Particles in Polyether Polyol on Its Stability and Viscosity 聚醚中聚合物分散粒子的形态对体系稳定性和粘度的影响
The strengthening mechanism is effect of refined grain, substructure and dispersed particles itself. 对力学性能具有明显强化,其强化机制为细晶强化、亚结构强化和弥散相质点的直接强化作用。
Lateral and axial mixing of the dispersed particles in a vertical gas-solid cocurrent flow system 气固并流系统中弥散颗粒混合行为的研究
Dynamic analysis of dispersed particles in the swirling flow field 旋流器中分散相颗粒动力学分析
This system consists of polymer, dispersed rock particles and other chemical agents. 该体系由聚合物、分散的岩石微粒和其它化学剂组成。
Nanocomposites are a new class of composites, that are particle-filled polymers for which at least one dimension of the dispersed particles is in the nanometer range. 聚合物纳米复合材料是一类新型的复合材料,由于纳米粒子的一些特性,使得该类材料具有许多优异的性能。
Gas-Liquid Mass Transfer Enhanced by Finely Dispersed Particles 细颗粒增强气液传质机理及模型研究
Reactive compatibilization, or in situ compatibilization can be adopted to efficiently improved the compatibility between the polymer components, reduce the size of the dispersed particles and thus enhance the properties of the materials. 通过反应性增容(或原位增容)可有效地改善聚合物组分间的相容性,减少分散相粒子的尺寸,从而提高材料的性能。
A direct numerical simulation ( DNS) technique based on two-way coupling was developed to study the influences on gas-phase jet by dispersed particles in a two-phase turbulent jet. 发展了一种基于双向耦合的直接数值模拟方法,研究了两相湍流射流中离散颗粒对气相射流的影响。
During increasing EVA content, the morphology of EVA phase of the blend changes from dispersed particles to continuous network, accompanied by making the blend from brittleness to ductility; 随着EVA含量或EVA中VA含量的增加,EVA相从分散颗粒逐渐转变到连续网络,且随着这种形态转变,材料便从脆性过渡到韧性;
The results show that the main morphology development occurs during the phase dispersion, the dimension of the dispersed particles and the distribution of it decreased at the same time. 分析结果表明在反应共混过程中体系中的相结构随时间逐渐细化,分散相颗粒尺寸逐渐减小,分布也变得更加均匀。
However, these dispersed WC particles with relatively smaller size may change into the alloyed carbides with high W concentration after they interacted with Ni-based alloy solution at high temperature. 然而,由于破碎的WC颗粒体积小,它们与Ni基合金液交互作用,可能使碎块状WC颗粒完全合金化,成为高钨含量的合金碳化物。
For both dispersed particles and particles in cluster, the collisional frequency increases with the increase of particle concentration. 随着颗粒浓度的增加,颗粒聚团的颗粒碰撞频率和分散颗粒的碰撞频率增加,模拟计算值低于颗粒动理学计算值。
Gas-liquid mass transfer enhancement by dispersed particles is an important intensification method of chemical engineering process. 分散颗粒增强气液传质是化工过程的强化手段之一,本文对分散颗粒(包括分散固体颗粒与分散液滴)增强气液传质的机理及模型进行研究。
The structure of the dispersed particles in them, and the mechanical as well as electrical properties of them, have been investigated by micro-observation of particles, tests of compression modulus of the elastomers, as well as dynamic measurement of electric resistivity and permittivity of the elastomers. 通过对胶体中颗粒分布情况的观察,对胶体压缩模量的测量以及对胶体胶凝过程的电阻、介电常数的动态监测,研究了胶体微观结构、力学性能以及电学性能。
Comparing to the motion of dispersed particles, the cluster of particles has more fluctuating energy. 与分散颗粒相比,颗粒聚团具有大的脉动能量。
Bi was added to form a single and stable cubic structure of the Ce-Zr-Bi solid solution, crystal size achieved a nanometer scale level, while highly dispersed CuO particles was formed on the surface of catalyst, so the performance of the catalyst has improved. 2. Bi的加入能够形成具有单一稳定立方相结构的Ce-Zr-Bi固溶体,晶粒达到纳米级,同时不出现CuO在催化剂表面聚集的现象,从而提高了催化剂的性能。
For the clusters and dispersed particles, the collision frequencies and granular temperature as a function of particle concentration are obtained. 研究了颗粒聚团和分散颗粒的颗粒温度和颗粒碰撞频率随颗粒浓度的变化规律。
Preparation of nano-scale, highly dispersed gold particles provides their high catalytic activity as gold catalysts. 制备得到纳米级、高分散的金粒子是金催化剂高活性的前提。