杂质-杂质跃迁
imurity-to-impurity transition
提质降杂
Quality improvement and impurity reduction
铁精矿提质降杂
Quality improvement and impurities reduction of iron concentrate
低质低效
low quality and low effect
爱滋病危险降低模式
AIDS Risk Reduction Model
本质能障低降
intrinsic barrier lowering
边缘诱导的势垒降低
american applied biosystems
表面张力降低剂
surface tension reducer
surface tension reducing agent
surface tension depressant
表面张力降低能力
surface tension reduction effectiveness
表面张力降低效率
surface tension reduction efficiency
冰点降低
lowering of freezing point
depression of freezing point
freezing point osmometer
freezing-point lowering