岩粉是指能长期处于浮游状态的岩石粉末，用于阻止煤尘爆炸，其中可燃物的含量不超过5%，游离的二氧化硅含量不超过10%，并且不含有任何有害或有毒的混合物（如磷、砷等）。
这个新的观点涉及到泥浆水力损失计算、流变学和岩粉携带等一系列理论的磋商问题。
From this new point of view, a series of relative theoretical problems must be further considered, such as the design of hydraulic loss of mud, the rheology and carrying cuttings etc.
一种混凝土复合掺和料，由按重量份配比的以下组分组成，单磨铁矿渣粉 5～6份，单磨石灰岩粉5～4份；
A concrete compound admixture consists of the following components by weight portion: 5 to 6 portions of single-milled iron slag powder and 5 to 4 portions of single-milled limestone powder.
从分析煤粉的燃烧过程和未燃尽煤粉的来源出发，采用煤岩学方法研究了煤粉的燃烧特性。
Through analyzing the combustion process of pulverized coal(PC) and source of unburned PC, the combustion characteristics of PC is studied by means of coal petrography.
应用推荐