最低有效浓度 meaning in English

minimal effective concentration

It is best to use the lowest effective strength as using high strength topical steroids for periods of time can cause side effects such as thinning of the skin
最好使用最低有效浓度，因为长时间使用高浓度的皮质类固醇可以引起例如皮肤变薄等副作用。
In the experiment of searching the agent for removal of phaeocystis globosa , six organic biocides were studied on their effect of removal of phaeocystis globosa . then isothiazolone biocide , glutaric dialdehyde and benzalkonium bromide were selected to apply to remove p . globosa red tide . their minimum use levels are 1 . omg / l , 1 . 4mg / l , 0 . 6mg / l respectively , and the efficiencies of removal are above 80 %
论文对有机除藻剂进行了筛选研究，对目前常用于工业循环冷却水的6种有机杀生剂进行了试验研究，发现异噻唑啉酮、戊二醛和新洁而灭对棕囊藻均具有良好的去除效果，它们使用的最低有效浓度分别是： 1 . 0mg l 、 1 . 4mg l 、 0 . 6mg l ，除藻率达80 。