1) purification process
提纯工艺
1.
The mineralogy characteristics of sillimanite, the disadvantages of traditional purification process and its improvement and new progress of its processing technology are surveyed in this paper.
论述了硅线石的矿物性质,传统提纯工艺的缺陷、改进方法及提纯工艺技术的新进展;概述了硅线石作为高铝耐火材料原料的质量要求、应用范围;研究了硅线石性质、化学成分与耐火材料制品性能的关系。
2) purification technology
提纯工艺
1.
It is introduced that how the optimization of the hydrazine hydrate synthetic technology by urea method and the hydrazine hydrate purification technology by cooling method has been carried out.
介绍对尿素法水合肼合成工艺、冷冻法水合肼提纯工艺进行的优化,和对丙酮汽提法提纯水合肼进行的尝试。
3) extraction and purification process
提取纯化工艺
1.
The thesis adopt modern common character key technology to research the compound Naodesheng,including the extraction and purification process,preparation formulation reform,qulity standard,stability,etc,aim at providing bases of the secondary development about the Naodesheng preparation.
本研究论文对复方脑得生中红花、山楂的有效部位的提取纯化工艺、药效物质的含量分析及复方脑得生的指纹图谱等进行了研究,旨在为该传统复方制剂的二次开发奠定基础。
4) improved purification process
改进的提纯工艺
补充资料：采气工艺(见天然气开采工艺)
采气工艺(见天然气开采工艺)
gas production technology
，一‘J\匕乙吕天然气开采工艺pro以uetionteehnology)见
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