Police and security staff jostled with reporters as the first bodies were removed from the J.W.Marriot Hotel in central Jakarta, located in a circle of buildings, shops and restaurants frequented by foreigners.
VOA: standard.2009.07.17
And, this involves the reaction of titanium tetrachloride with magnesium to form magnesium chloride plus titanium And, this was invented in 1937 by W. J. Kroll.
四氯化钛和镁,反应生成氯化镁和钛,1937年W。J。克劳尔发明了这个方法。
And, this involves the reaction of titanium tetrachloride with magnesium to form magnesium chloride plus titanium And, this was invented in 1937 by W. J. Kroll.
四氯化钛和镁,反应生成氯化镁和钛,1937年W。J。克劳尔发明了这个方法。
应用推荐