随着水体总悬浮物含量的增加，总悬浮物中有机碳的质量分数呈对数趋势降低。
With the concentration of total suspended substances increasing, the quality partition of organic carbon in total suspended substance decreased in a logarithm tendency.
鲜桑叶中的主要化学成分为水分、蛋白质、总糖、脂肪和灰分，其质量分数分别为76。
The contents of water, protein, carbohydrate, lipid and ash in fresh mulberry leaves were analyzed and they were 76.
研究对合成甜菜宁工艺条件进行了探索，产品中甜菜宁原粉质量百分数97% ，两步合成总收率71.8%。
The process conditions of Penmedipham were studied in this paper, content of products reached 97 %, total yield reached 71.8 % through two-step synthesis process.
利用不同的方法(还原能力、DPPH法、TEAC法和脂质体过氧化)评价了中华补血草根提取物的抗氧化活性，同时测定了其总酚、黄酮和原花青素的质量分数。
The antioxidant activity of Limonium simens (Girard) Kuntze root extract was examined using various antioxidant assays, such as reducing power, DPPH assay, TEAC assay, lipid peroxidation.
用面积归一化法测定挥发油中各种成分的相对质量分数，占总峰面积的92.66%。
The relative contents of all those compounds identified in the essential oils were determined by peak area normalization method. And the major constituents of the volatile oil are 92.66%.
用面积归一化法测定挥发油中各种成分的相对质量分数，占总峰面积的92.66%。
The relative contents of all those compounds identified in the essential oils were determined by peak area normalization method. And the major constituents of the volatile oil are 92.66%.
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