The grain structure of different loess types, diffluent salt gypsum, gypsum content and carbonateoflime content, are the influencing factors of CBR value of loess filler.
不同类型的黄土具有不同的组成结构、易溶盐、石膏和碳酸钙含量，影响黄土填料的CBR值。
2
Non-pollution roasting technology by using sodium carbonate, calcium oxide, red mud and lime mud as roasting additives for extraction of vanadium from siliceous navajoite was studied.
采用氧化焙烧法研究了无污染的焙烧添加剂碳酸钠、氧化钙、红泥和苛化泥从硅质岩钒矿中提取钒的焙烧工艺。
3
The effects of placing time and carbonization time oflime white on dehydration process of calcium carbonate suspension have been tested.