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试样浓缩
1、concentration ratio───集中度；浓度比率
2、concentration curl───[体]单臂哑铃弯举
3、concentration camps───n.集中营( concentration camp的名词复数 )
4、concentration units───浓缩装置
5、high concentration───高浓度，高强度
6、sample───n.样品，样本；（化验的）抽样；（用于新乐曲中的）节录乐曲；确定（模拟信号）瞬时值；v.品尝，体验；抽样检验；节录（某一曲子，用于新乐曲中）；n.(Sample)（美、英、爱尔兰）桑普尔（人名）；adj.样品的，作为例子的
7、concentration formula───浓度公式
8、concentration───n.浓度；集中；浓缩；专心；集合
9、impurity concentration───[电子]杂质浓度
1、before use, to conduct small sample concentration test to determine if the concentration is right for your specific purposes.───使用前，要进行小块样品浓度试验，以确定该浓度是否适合您的具体用途。
2、the constant flow pump is used for continuously pushing the samples into the membrane into*ce in the sample concentration;───富集样品时，使用恒流泵将样品不断推入到膜接口中；
3、More free sulfhydryls and higher sample concentration mean that one should consider using higher concentrations of reducing agent.───自由巯基数目越多，样品浓度越高，还原剂的用量就越大。
4、the samples enter the polyfluortetraethylene pipe after the sample concentration is finished;───富集结束后，样品进入到聚四氟乙烯管中；
5、The sample concentration and the ratio of elution solution which influence the separation effect of PC and PE were further researched.───了进样浓度和洗脱液配比对分离效果的影响。
6、On-line Sample Concentration Techniques in Capillary Electrophoresis and Their Applications in Forensic Science───毛细管电泳在线样品富集技术及在法庭科学中的应用
7、pumps are widely used for applications including filtration, sample concentration, solid phase extraction. They are the important basic instruments in the lab.───无油真空泵广泛应用于过滤、样品浓缩、固相萃取等装置中，是实验室重要的基础设备。
8、free sulfhydryls and higher sample concentration mean that one should consider using higher concentrations of reducing agent.───自由巯基数目越多，样品浓度越高，还原剂的用量就越大。
1、In actual applications, the factors of sample concentration, sample temperature and humidity of circumstance will have strict effects on the response characteristic of the electronic nose system.