We have the saturated calomel electrode.我们得到饱和甘汞电极.Already the hospitals were worrying about the scarcity of quinine, calomel, opium, chloroform and iodine.各个医院已经在为缺乏奎宁 、 甘汞 、 鸦片 、 哥罗仿、碘酒等等而发愁....
Vanadium seldom forms mineral deposit. It is mainly exist in vanadium titanomagnetite coal gangue and claystone.钒一般很少单独形成矿床, 它主要赋存于钒钛磁铁矿、石煤矿、粘土岩中.Coupled unsaturated flow in claystone has high effect on strength and stab...