Her flat is spilling over with knick-knacks.她的公寓里摆满了小摆设。From the chiffonier had gone the knick - knacks of silver and plate.五斗橱上,不见了那些银制的和金属品做的小玩意儿.Whence came the rich, elegant dresses, the astonishingly coloured button...
结果: 在5ppm的富锗培养基上培养的GSC中锗的转化率最高 ( 1118% ).RESULTS: GSC contains the highest ( 11.18 % ) germanium in 5 ppm enriched germanium MS cultrue medium.在不改变原工艺流程的基础上提出了富集锗的相关措施.The authors have proposed some measures related to g...
从下寒武统石龙洞组开始都是白云岩沈积.Dolostone is the main rock type of the Cambrian in this area.白云岩是冶炼金属镁的主要原料.Bai Yunyan is the main raw material of smelt metal magnesium.晶粒白云岩有两种成因:一为回流渗透白云石化;二为深埋藏白云石化.Crystalline dolostone is formed ...