Low-temperature Nonpressurized Sintering and Performance of High-purity Er_2O_3 Target Material 高纯Er2O3靶材的低温无压烧结及性能研究
High-purity silica is most important raw material for high-tech region. 介绍以石英矿为原料制备高纯二氧化硅。
The production and application of photoresist, specialty chemicals for flat panel display, printed circuit board material, high-purity reagent, specialty gas and packaging material in China were summarized. At present, 1000 electronic chemicals can be produced in China in commercial scale or in batches. 综述了我国光刻胶、FPD专用化学品、印刷电路板材料、高纯试剂、电子特种气体和封装材料的生产和应用现状,目前我国能工业化生产或批量生产的电子化学品近1000种。
When temperature is at 1300 steadily, as far as the high-purity ABR is concerned, the corrosion reaction occurred in the material is chiefly that SiO2 in mullite and glass is reduced into SiO; 在1300℃埋碳保温处理时,对于高纯红柱石制品而言,发生的侵蚀反应主要是莫来石和玻璃相中的SiO2被还原成SiO气相;
In this dissertation, a method, combined supercritical carbon dioxide extraction and solvent extraction, is chosen to prepare high-purity soybean phosphatidylcholines ( SPC) which is liposomal membrane material from soybean phospholipids. 本文首先用溶剂萃取法联合超临界CO2萃取法从市售的大豆磷脂中提取脂质体用高纯度的大豆卵磷脂。
Manufacturing of High-purity Superfine Electronic Ceramic Powdered Material Industrial-scale test on production of high-purity dysprosium oxide by extraction 高纯超细电子陶瓷粉体材料的制备用萃取法生产高纯氧化镝工业试验
The technology of calcium-removing in the production of high-purity manganese carbonate is studied in which the manganiferous waste water from the production of 1,4-dihydroxy benzene is as raw material. 研究了以对苯二酚生产中副产含锰废水为原料,生产高纯碳酸锰的除钙工艺。
High-purity Fe 2O 3 is prepared using steel-washing waste acid as raw material. 以钢材酸洗废液为原料制备了高纯Fe2O3。
High-purity hydrogen production by vacuum pressure swing adsorption using synthetic gas from synthetic ammonia unit and hydrogen from reformer as raw material 化肥厂合成气及重整氢真空变压吸附制取高纯度氢气
High-purity quartz powder is obtained from the purification of Quality quartz raw material. UNIMIM is the representative in the quartz powder purification technology. 高纯石英粉由优质石英原料提纯制得,目前石英粉提纯技术以美国尤尼明公司为代表。
Most of current technologies to produce a series of high-purity pentane using light hydrocarbon as raw material have problem of high energy expenditure, high equipment investment and inadequate product purity. 目前利用轻烃原料生产高纯度戊烷系列产品的大部分生产工艺,能耗和投资都较大,并且产品纯度不够高。