The isovolumetric burning performance of deep deterred oblate spherical powder(DDOSP) with large web is investigated by the closed bomb test.
利用密闭爆发器试验研究了大弧厚深钝感球扁药的定容燃烧性能。
The free loading test results in simulated cartridge show that the use of oblate spherical powder could be applied to increase the loading density effectively.
自由装填试验表明：采用大弧厚球扁药能有效提高装填密度。
The preparation of spherical powder of silicone rubber, whose active groups are epoxy group and dodecyl, are introduced, as well as the preparation of its aqueous dispersions.
介绍了含活性基团(环氧基、长链烷基等)硅橡胶球形微粉的制备、硅橡胶球形微粉水分散液的制备。
This paper deals with the forming technique of the oblate spherical powder and the feasibility of applying it to the large caliber gun propellant charge with high loading density.
研究了大弧厚球扁药成型工艺及其在大口径火炮高装填密度装药中的应用可行性。
Spherical tungsten powder produced by plasma atomization technique is described.
本文尝试了用等离子喷雾技术制取球形钨粉。
The porous superalloy material with hollow spherical pores was fabricated by means of metal powder sintering using nickel-base superalloy powders.
采用含有机物的镍基高温合金原粉，用粉末烧结法制备了球形多孔高温合金材料。
Open cell aluminum foams were prepared by traditional powder metallurgy process, with spherical carbamide particles as the space-holder.
以球形尿素颗粒为造孔剂，采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
The pore volume of spherical aluminum oxide can be effectively improved by activated carbon powder.
活性炭粉能有效地提高球形氧化铝的压汞孔容。
PTFE composites filled with irregular bronze powder have better mechanical properties, but PTFE composites filled with spherical copper powder have better wear resistance.
不规则青铜粉填充的PTFE复合材料具有较好的力学性能，但是球形铜粉填充的PTFE复合材料具有较好的耐磨损性能。
The results show that the AMT powder with a special spherical shell structure exhibiting a high porosity of 71.
结果表明：经过喷雾干燥处理过的偏钨酸铵粉末颗粒呈球壳状，粉末体孔隙率高达71。
The results of transmission electron microscopy(TEM) showed that the grain of strontium titanate powder prepared was spherical and the grain sizes distribution were homogeneous.
通过TEM分析可以看出，制备的钛酸锶粉体材料的颗粒为球形，并且颗粒大小均匀。
Open cell aluminum foams were prepared by traditional powder metallurgy process, with spherical carbamide particles as the space-holder. The properties of open cell aluminum foams were studied.
以球形尿素颗粒为造孔剂，采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
Spherical aluminum powder meeting the following requirements.
同时满足如下条件的球形铝粉。
The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate (AMT) as raw materials.
以偏钨酸铵(AMT)为原料，采用喷雾干燥法结合氢气还原方法成功制备出球形钨粉。
The production methods are summarily introduced for making spherical cast tungsten carbide powder.
介绍了国内外近年来的球形铸造碳化钨生产方法。
The spherical cobalt oxalate powder prepared by the producing method has fewer impurities and better appearance, and can be prepared by a simple and efficient production method.
本发明的球形草酸钴粉体及其制造方法制得的球形草酸钴的杂质更少、形貌更好，且能够通过简捷高效的生产方法制得。
The most part of powder is spherical with a broad particle size distribution.
目前得到的粉末几乎都为球形，但颗粒粒径分布范围比较宽。
Using ascorbic acid as reducing agent and gelatin as dispersant, the spherical ultra-fine silver powder was synthesized by the chemical reduction method.
采用化学还原法，以抗坏血酸为还原剂，明胶为分散剂制备了球形超细银粉。
Using ascorbic acid as reducing agent and gelatin as dispersant, the spherical ultra-fine silver powder was synthesized by the chemical reduction method.
采用化学还原法，以抗坏血酸为还原剂，明胶为分散剂制备了球形超细银粉。
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