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平均浓度
1、concentration camps───n.集中营( concentration camp的名词复数 )
2、concentration───n.浓度；集中；浓缩；专心；集合
3、concentration ratio───集中度；浓度比率
4、impurity concentration───[电子]杂质浓度
5、concentration formula───浓度公式
6、high concentration───高浓度，高强度
7、concentration curl───[体]单臂哑铃弯举
8、concentration music───专注音乐
9、concentration units───浓缩装置
1、It was showed that the mean concentration and accumulated amounts of runoff losses of nitrogen were highly correlated with N-application rates.───结果显示，随施氮量增加，农田径流液中氮素的平均浓度和氮素径流累积流失量提高，两者间呈显著正相关。
2、Successful application of the simplified Box Model to simulating the daily mean concentration of areal air pollution is presented.───用简化的箱模式进行区域环境气体污染物日均浓度的模拟计算。
3、by quantitative analysis of fetal cell-free DNA in maternal plasma.───母体血浆中游离的胎儿DNA 的定量分析在无创性产前诊断中有重要价值。
4、Air quality is represented by annual mean concentration of fine particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 microns).───空气质量用年平均细颗粒物的浓度表示(PM 10至PM 2.5，即粒径小于等于10或2.5微米的细颗粒)。
5、Research on evaluation of air-solid two-phase particle distribution and mean concentration by laser scattering───激光角散射诊断气固两相流粒度及浓度的研究
6、Standard Guide for Ranked Set Sampling: Efficient Estimation of a Mean Concentration in Environmental Sampling───分等级抽样的标准指南：环境抽样中平均浓度的有效评估
1、The antibody level was related to age and area. With age increasing, positive rate and geometric mean concentration of antibody decreased.
2、Simultaneously, sedimentation occurred at the base, as in previous experiments, so the mean concentration decreased with time.
3、Objective:A mean concentration was shown by quantitative analysis of fetal cell-free DNA in maternal plasma.
4、A practical estimation method of non - point source pollution load - mean concentration method was established.
5、However, these sublethal symptoms were not observed in fingerlings of rainbow trout exposed to a mean concentration of 22.3 ppm F- after 8 days.