非 表面活性剂 的添加剂称作助洗剂,长期以来用以改进表面活性剂的去污作用.Nonsurfactant additives known as " builders " have long been used to improve detergent action of surfactants.如同所有化学和物理的过程一样, 温度对去污作用有重要影响.As in all chemical and physical processes, te...
他们在这场危机中丢弃了中立立场。They had thrown their neutrality overboard in the crisis.动物会丢弃最弱小的幼仔。Animals reject the runt of the litter.可能是丢弃的烟头导致了这场大火。A dropped cigarette may have sparked the fire....
Objective Purificating no hemorrhage of fibrinolytic enzyme from Agkistrodon halys venom.目的从江浙蝮蛇蛇毒中纯化出无出血毒的纤溶酶.Agkistrodon halys pallas belonging to viper family is only growing in China.江浙蝮蛇属蝰蛇类,是我国特有的蛇种.Objective To ex...