To establish a method of GC detection of chloroacetone in the air of workplace.建立工作场所空气中氯丙酮气相色谱测定方法.Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylati...
国土安全部the Department of Homeland Security他们起初是以冒险家身份踏上我国国土的.They first set foot on our soil as adventures.他们决心把侵略者赶出国土.They were determined to drive the aggressors out of their soil....
Objective : To explore a new means for axial length measurements when vitreous turbidity in intercurrent cataract.摘要:目的: 探索并发性白内障玻璃体混浊时准确测量眼轴的新方法.To explore a new means for axial eye length measurements when vitreous tur...
水的导热速度比空气快。Water conducts heat faster than air.惯性项和那些与X方向的导热有关的项也被略去.The inertia terms and those relating to conduction in the X direction were also negligible.常用介质有: 水蒸汽 、 导热油 、 热水、冷却水等.The normal media are: steam, ther...