粉末的

He study on the self-propagating high-temperature synthesis of uniphase C shows that the preheat temperature should not be higher than 800℃, because the entire combustion will occur at 850-900℃.

iC；WC=5：5的单相C粉末的自蔓延高温合成条件研究表明，预热温度不宜超过800℃；在900℃附近，体系会发生整体燃烧。

The morphology, structure and composition of binary xerogel powders and aerogel powders were characterized by FT-IR, TEM, XRD and nitrogen adsorption.

并采用氮吸附、FT-IR、TEM 和XRD等测试手段对所制得的干凝胶和气凝胶粉末的BET表面积、表面形貌、结构和组成进行了表征。

After graduation, he continued to work at the same institute, engaged in the research of shock wave propagation in solids, hyper-velocity impact and shock wave consolidation. He obtained PhD in applied mechanics from the University of Cambridge in 1998 with a thesis about constitutive relations and elastic waves for cellular solids modeled as a micropolar solid.

毕业后继续在力学所从事高温高压下固体中冲击波传播、高速冲击及爆炸冲击波压实金属粉末的机理研究。1998年获英国剑桥大学应用力学博士学位，论文研究胞状固体材料本构关系及微极材料中弹性波传播的问题。

The test results show that the pneumatic milling process not only can solve the milling technology with big particle size of UO 2 powder and environment contamination during milling operation, but also can reduce the time of ADU reduction, and the UO 2 powder after reduction by kilning and without stabilizing and sieving can be directly introduced into milling device for pneumatic milling.

研究结果表明：采用该技术，不仅能够较好地解决大颗粒UO2粉末的粉碎技术和环境污染等问题，同时还能进一步缩短重铀酸铵脱氟还原的工艺过程。

The transparency of the powders is poor.

各种粉末的透明度是很差的。

The influence of particle size of main ceramic powders on the sintering characteristic has been studied.

首先研究了主要硬质相粉末的粒度对金属陶瓷烧结行为的影响。

Measurement of CeO2 relati ve density shows that the relative density of CeO2 nanocrystalline powders imp roves with the increasing of CeO2 particles sizes.

相对密度分析表明，随CeO2纳米晶粒度的增大，粉末的密度增加。

A triturated substance, especially a powdered drug.

研碎物研成粉末的物质，尤指粉末状的药

After adjusting components of the Fe-base alloy powder which is used to clad bylaser, we find that crack direction and cracking sensitivity in laser cladded layers change with composition of the cladded layers.

通过调整激光熔覆铁基合金粉末的成分，发现熔覆层裂纹方向和开裂敏感性将随其成分的变化而变化。

The process condition of extra-fine lignin powder was chosen.

选择制备超细木质素粉末的工艺条件，制备细粒子木质素作为偶联剂用于橡胶，对NR、NBR有较好的补强作用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。