ratio of solvent

例句：

1. 1. The chemical analysis requires a precise measurement of the solvent's ratio.
   化学分析需要精确测量溶剂的比例。
2. 2. The new process reduces the amount of solvent needed in the reaction, improving efficiency.
   新过程减少了反应中所需的溶剂量，提高了效率。
3. 3.The ratio of water to ethanol in this solvent mixture is crucial for the reaction's outcome.
   这种溶剂混合物中水与乙醇的比例对反应结果至关重要。