There would be little impact on the setting time of cement if the content of barite powder within 30%.
通过一系列试验系统研究了重晶石粉的掺入对水泥砂浆凝结时间、强度和密度的影响。
Atomic absorption spectrometric determinaton of lead and cadmium in barite using microwave heating and acid extraction;
微波加热酸浸提—原子吸收光谱法测定重晶石中铅镉
Research on anti-radiation concrete whit barite;
重晶石防辐射混凝土的试验研究
Rapid Determination of Barium Sulfate in High Grade Barite;
高品位重晶石BaSO_4的快速测定
It is proposed that the Badawan barite deposit was formed by hydrothermal-reworking process of Himalayan intermediate-acid magmatism based on the sedimentogenic deposit hosted in Upper Ordovician.
宁蒗地区巴打湾重晶石矿床是在上奥陶统沉积型重晶石矿的基础上,由喜山期中酸性岩浆热液活动改造而形成的沉积—热液叠加型矿床。
CopyRight © 2020-2024 在线英语词典[www.yycidian.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024103067号