1) grain
[英][ɡreɪn] [美][gren]
颗粒，晶粒，粒度;纹理
2) particle size
颗粒粒度
1.
The influence of particle size on compositions analyzing and combustion characteristics of pulverized coal;
煤粉颗粒粒度对煤质分析特性与燃烧特性的影响
2.
The surface area and pore structure of Datong coal and the influence of coal particle size on them were studied.
研究了大同煤的表面微观结构及颗粒粒度对表面微观结构的影响。
3.
The erosive resistance of the composite materials with different particle sizes was measured and analyzed.
采用负压铸渗工艺制备了WC/铁基表面复合材料,研究了不同颗粒粒度的复合材料的抗冲蚀磨损性能,并分析了磨损机理。
3) grain size
颗粒粒度
1.
40 μm grain sizes were studied under 20℃/min heating rate condition.
在STA409型热重-红外联用分析仪上进行了桦甸油页岩的燃烧特性实验,得到了升温速率为20℃/min时,颗粒粒度分别为75。
2.
The results showed that oarization,crystalline,ageing conditions can change grain shape and grain size distribution of 4A zeolite.
用透射电子显微镜研究了洗涤剂用4A沸石晶体生长过程,随着桨化、晶化、老化条件的变化,4A沸石颗粒形状及颗粒粒度分布也发生变化。
3.
In terms of fractal geometry, analyses are performed of the features of grain size of the basalt laterite with and without disperser at the vertical section.
本文借助分形几何理论 ,探讨垂直剖面上玄武岩红土在加分散剂前后颗粒粒度的分维变化特性。
4) Crystalline Grain and Pavticle
晶粒与颗粒
5) crystallite size
晶粒粒度
1.
Variation of the crystallite size of compounds hydrothermally synthesized and the relationship between the crystallite size and the synthesis conditions,such as the form of the used precursor,hydrothermal reaction temperature and time,were investigated.
任一种化合物晶粒粒度都不可能通过改变水热反应条件而无限制地减小。
6) particle size
晶粒粒度
1.
Influence of OH -/SiO 2 ratio (alkalinity) on the particle size distribution and structure of the β zeolite synthesized during a shorter crystallization period (60 h) has been studied.
β沸石是一种固体酸催化剂，其晶粒粒度及分布对催化性能有着显著的影响［６］，研究在不同碱度条件下合成的β沸石的晶粒粒度分布及结构是十分必要的。
2.
The main factors affecting particle size are analyzed from the view of the rate of nucleation.
认为成核过程主要包括生长基元的形成和生长基元之间的脱水反应过程，并从成核速度的角度分析了影响晶粒粒度的主要原因。
3.
The effects of stripping temperature, the initial iron concentration in the organic phase and the initial pH of the water phase on the nanoparticle size were investigated by means of XRD and TEM.
结果表明,有机相中的铁浓度、水热反萃温度的提高和水相pH值的降低均有利于晶粒粒度的增大,杂质H_2PO_4~-的引入大幅度降低了氧化铁粉末粒度。
补充资料：颗粒
分子式：
CAS号：
性质：指小而圆的物质。最简单的颗粒形状是圆球。粒径在40～500μm范围内，气固密度差在1400～4000kg/m3之间的颗粒称粗颗粒(coarse particle)；粒径在20～100μm范围内，气固密度差小于1400kg/m3的颗粒称细颗粒(fime particle)；由许多个粒度间隔不大的粒级颗粒构成的颗粒系统称颗粒群(particle swarm)。
CAS号：
性质：指小而圆的物质。最简单的颗粒形状是圆球。粒径在40～500μm范围内，气固密度差在1400～4000kg/m3之间的颗粒称粗颗粒(coarse particle)；粒径在20～100μm范围内，气固密度差小于1400kg/m3的颗粒称细颗粒(fime particle)；由许多个粒度间隔不大的粒级颗粒构成的颗粒系统称颗粒群(particle swarm)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条