According to the Michigan study, the share of 18-year-olds who believe that using crystal meth even once or twice carries a great risk has risen every year since 2003.
密歇根大学的研究显示，2003年以来18岁上下的这一群体中有越来越多的青少年认为即使仅吸食了一两次冰毒也是有巨大成瘾危险的。
Objective to study and draw up the meth od of monitoring the qualities of the Antidotal Capsules Against Hepatitis b. (especially to Phellocendron Amurense ahd Rheum Officinale).
目的：研究并制定乙肝解毒胶囊(黄柏、大黄)的质量控制方法。
In the present study, we used a nontoxic and cheap sorbic acid (sa) to substitute the corrosive and irritative (meth) acrylic acid for in situ synthesis of unsaturated metal carboxylates.
本研究尝试用一种无毒、廉价易得的不饱和羧酸-山梨酸(SA)取代腐蚀性、刺激性的(甲基)丙烯酸用于原位合成不饱和羧酸金属盐。
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