He pointed at the empty bottle and the waitress quickly replaced it...他指了指空瓶子，女服务员立即重新拿了一瓶。Michael pointed out to me that amongst the rubble, there was one building that remained untouched...迈克尔指给我看说，瓦砾中有一栋建筑完好无损。The usu...
碳化合物氧化后必然会产生二氧化碳。Carbon dioxide is a necessary result of the oxidation of carbon compounds.氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.碳、氢、氧化合形成碳水化合物和脂肪。Carbon, hydrogen and oxyg...
Trinitrotriazidobenzene is less sensitive to impact and friction than mercury fulminate.三硝基三叠氮苯的摩擦感度和冲击感度比雷汞低.Mercury fulminate may contain trace of mercuric oxalate.雷汞中可能含有微量的乙二酸汞.Conclusions The primary cause for acute...