In this paper, the effect of dust size distribution for the dust acoustic solitary wave (DASW) in the cold dusty plasma, the hot dusty plasma, the magnetized dusty plasmas and the dusty pl.
本文运用约化摄动法分别研究了冷尘埃等离子体、热尘埃等离子体、磁化尘埃等离子体和尘埃等离子体晶体中的尘埃声孤波现象,着重考虑尘埃颗粒大小分布对尘埃声波的影响。
Based on theories of grains size and dense packing,our research took oil-well cement with high-resistance to sulfur,Jiahua G,and hematite as basic materials and prepared a kind of cement slurry with density varying from 2.
文章以粒级级配和紧密堆积原理为理论依据,以嘉华G级高抗硫油井水泥和赤铁矿等为基本原料,通过复配不同颗粒大小的赤铁矿配制密度为2·2g/cm3～2·3g/cm3水泥浆。
The paper summarizes the formation,movement model of the debris and grain,the condition and mechanism of the oxides formation in the course of thermal wear of the metal composites.
综述了金属基复合材料热磨损过程中碎片颗粒的形成和运动模型,氧化物产生的条件及形成机理,分析了氧化物釉层形成的具体阶段及影响因素,并在介绍有关氧化物釉层研究现状的基础上,展望了未来金属基复合材料热磨损过程中有关氧化物研究的趋势。
Characteristics Analysis of Forces on Dispersal Particles in Swirling Flow Field;
旋流场内分散相颗粒的受力特性分析
Study on relationship between microcosmic fractal dimension of cement particles and macroscopical fluidity of cement;
水泥颗粒微观分维与宏观流动性关系的研究
Multi-scale analysis of acoustic emissions and measurement of particle mass flowrate in pipeline;
声波信号多尺度分解与固体颗粒质量流率的测定
SEM analysis of particles and its effects in arc ion plating;
电弧离子镀薄膜中的颗粒尺寸及其影响的扫描电镜观察
Research on design and application of image analysis system for micro particles;
显微颗粒图像分析系统的开发应用研究
Influences of vortices on impaction and distribution of small ash particles on rear side surface of boiler tube;
涡结构对小颗粒在圆管背风面碰撞分布的影响
The relationship of viscosity and properties of SiC_p particulates reinforced heat resistant alumina matrix composites;
SiC_p颗粒增强耐热铝基复合材料孔隙率与力学性能
Compressive properites and microstructure of in-situ TiB whisker and TiC particulate mixture-reinforced Ti composite;
原位TiB晶须和TiC颗粒复合增强Ti复合材料的压缩性能及微观结构
Study on the Resistance Characteristic of the Exhaust Particulate Filter for Diesel Engines;
柴油机排气颗粒过滤体阻力特性的试验研究