土壤肥力较低时，车前草对土壤镍的富集率较高(6.17%)。
There is a higher accumulation rate of Ni by plantain from soil (6.17%), especially in the poor fertility soil.
研究具有有限惯性、并有局部富集条件下颗粒的碰撞率是目前两相流体力学和气溶胶动力学的研究热点之一。
Research on collision rate of finite inertial particle with preferential concentration is one of hotspots in gas-particle flow mechanism and aerosol dynamics.
此外，还对皂化甘油蒸馏操作提出了建议，以提高甘油蒸馏得率和聚合甘油的富集。
Furthermore, the paper also gives some advices to operation of saponification glycerol distillation in order to increase recovery ratio of glycerol and enrichment of polyglycerol.
折光率数据和电镜结果表明，上相为表面活性剂富集相，下相表面活性剂浓度较低。
The surfactant concentration is bigger in the upper phase, and smaller in the lower phase respectively.
结论通过大孔树脂富集与纯化后，仙茅总皂苷洗脱率在96%以上。
CONCLUSION After enrichment and purification with macroporous resin, the elution efficiency of total saponins was higher than 96%.
方法以大黄总蒽醌的提取率及洗脱率为考察指标，考察大黄的提取条件及大孔吸附树脂富集、纯化大黄总蒽醌的吸附性能和洗脱参数。
Methods:The extracting conditions and adsorptive characteristics and elutive parameters of the process were studied by taking the extraction efficiency and purified ratio of Rheum as mark.
煤系地层孔隙性和渗透率对煤层气的抽放、排采具有重要影响，但煤层气的生成却是其富集的先决条件。
The porosity and permeability of coal-bearing strata have important influence to the exhaust and mining of coal bed gas, but the production of coal bed gas is precondition of its richen.
结果表明，该离子吸附型稀土矿可通过浸取富集，温度是影响浸出率的重要因素。
Test results showed that this ion-adsorption type rare earths mineral can be concentrated by leaching technology, and the temperature is an important factor influencing leaching rate.
实验室试验和工业生产表明，马钢所采用的炼铁污泥浮-重选富集工艺是可行的，它具有流程顺，回收铁效果好、去锌率高等特点。
The laboratory experiment and production show that the flotation and gravity-separation process to treat ironmaking sludge in Ma Steel is feasible.
实验室试验和工业生产表明，马钢所采用的炼铁污泥浮-重选富集工艺是可行的，它具有流程顺，回收铁效果好、去锌率高等特点。
The laboratory experiment and production show that the flotation and gravity-separation process to treat ironmaking sludge in Ma Steel is feasible.
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