The conditons of preparation of nanometer powders ZnO were discussed by the comparison of the change of the molarity .
在摩尔浓度变化的情况下，探讨了制备纳米级ZnO粉体的条件.
Methods : To use pharmaceutics methods of depres - sion of freezing point , solute molarity and osmotic concentration .
方法：采用药剂学中的冰点降低数据法、溶质摩尔浓度计算法和渗透浓度计算法。
Some right expressions relating to solution composition , such as mass fraction , volume fraction , mass concentration , molarity and volume ratio were introduced .
对溶液组成标度，如质量分数、体积分数、质量浓度、物质的量的浓度、体积比的正确表述也一一进行了介绍。
Your goal is to report the molarity of the hydrochloric acid and the molarity of the phosphoric acid in the mixture , with their uncertainties .
你的目标是要回报在混合物中氢氯酸的莫耳浓度和磷酸的莫耳浓度以及它们的不确定度。
The variation trend of MDA molarity showed a similarity with the trend of membrane permeability , i. e. both its quality scores and permeability increased with the strengthening of drought degree .
