鳞片石墨矿是自然界可浮性最好的矿物之一.Flaky graphite is one of the best mineral in the nature.一般的岩石是不具有浮性的.Ordinary rocks don't have buoyancy.研究了红柱石的可浮性及其与捕收剂烷基磺酸盐的作用机理.Study the floatability of andalusite and mechanism of which with...
We detected penicillin ( BPO , 6 - APA , BPE ) specific IgE by ELISA with mono - clonal antibodies ( McAb ) and biotin - avidin system ( BAS ), and discussed its clinical signifi - cance.利用 单克隆抗体 及生物素 - 亲和素放大系统检测青霉素 抗原 特...
Shona showed me round the exhibits.肖纳带我参观了展品。She came in for a coffee, and told me about her friend Shona.她进来喝了杯咖啡，并向我谈起了她的朋友肖纳。Language: English is the official language, But Shona and Ndebele are widely spoken.语言: 英语为官...