对于日月雷矿 PRT -2,通过自然沉降法选矿,可使蒙脱石含量达到87.19%.The content of montmorillonite of bentonite ( PRT - 3 ) from Riyuelei reached 87.17 % after natural sink.采用凝聚沉降法从制药厂废醪中回收蛋白质.Coagulation - precipitation process is used to recover ...
机会已经失去。他苦苦思索别的方案。The opportunity had gone. His mind scrabbled for alternatives.社区广播电台和商业广播电台一直是有区别的。There has always been a difference between community radio and commercial radio.那么我们可不可以干脆谈点别的?So, if we could just move...