恶习 bad habit; evil practice; pernicious habit 染上恶习 contract a bad habit; fall into evil ways; 恶习难改。 bad habits die hard.; evil practices are difficult to stop. 贪得无厌的恶习毁掉了那个守财奴的幸福。 the demon of greed ruined the miser's happiness
Surface active agents - determination of the 1 , 4 - dioxane content in alkyl - ethoxy - sulfate products by glc head space procedure 表面活性剂.用glc液上分析法测定烷基乙氧硫制品中1 , 4 -二恶烷含量
Surface active agents - determination of the 1 , 4 - dioxane content in alkyl - ethoxy - sulfate products by glc head space procedure 表面活性剂. glc顶部空间法测定烷基-羟乙基-硫酸盐中1 , 4 -二恶烷含量