The factors are as follows: the cement granules' appearance, the size of the granule, the content of fine granules and the granules' matches.
根据粉体学理论，分析了水泥颗粒形貌、颗粒细度的大小、细粉含量的高低以及水泥颗粒的级配对水泥性能的影响及在混凝土中作用的影响。
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