1) improved purification process
改进的提纯工艺
2) modified processing route
改进的工艺
1.
Stoichiometric Pb(Zn1/3Nb2/3)O3-PbTiO3-BaTiO3(PZN-PT-BT) perovskite ceramics prepared by modified processing route were investigated.
采用改进的工艺路线制备了化学计量比的Pb(Zn1/3Nb2/3)O3-PbTiO3-BaTiO3陶瓷,二氧化钛和碳酸钡不经过预烧,与预反应粉体混合球磨,成型后直接烧结,在1100℃和1120℃分别保温1 h,2 h,4 h获得了100%钙钛矿结构的PZN-PT-BT陶瓷,最大密度7。
5) 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。
6) 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。
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