Drilling fluids is one of the main factors influencing the yield of water well.
钻井冲洗液是影响水井出水量的主要因素之一。
The molecular weight also decreased with reaction time but the yield of water-soluble chitosan increased with reaction time.
随着反应时间的延长,水溶性壳聚糖的分子质量随之降低,产率却随之增加。
There are many methods to calculate the yield of water in the assessment of water resources, but the any single approach is hard to assure the precision.
给水度的计算很多,在水资源评价中,选择单一的方法难以保证精度。
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