The results show that the surfactants added and the surface active substances from recovered paper will effect the flotation losser.
结果发现除了一般的浮选条件以外 ，废纸浆中的表面活性剂和来自废纸的表面活性物质与浮选损失有着重要的关系。
Among surface-active lipoidal substances, lysolecithin is probably the best studied with regard to its fusing capabilities.
具有表面活性的脂类物质中，溶血卵磷脂就其融合性来说可能是研究得最为彻底的。
In addition to the expression of antigen on its surface, activated t cell releases various kinds of active substances, including cytokines, to regulate series of immunological responses.
细胞活化后除了表达细胞表面活化抗原外，主要释放多种活性物质发挥免疫调节功能，细胞因子是其中重要的一种。
During the course of the testing, active electron-emission substances from the cathode were deposited continuously onto the surface of the grid.
在测试过程中活性的电子发射物质源源不断地从阴极沉积到阴极表面。
If surface-active substances are used for sample preparation, their absence of toxicity for micro-organisms and their compatibility with inactivators used must be demonstrated.
如果在供试品的制备过程中使用了表面活性剂，必须证明其不会对微生物产生毒性并且可与 灭活剂兼容。
If surface-active substances are used for sample preparation, their absence of toxicity for micro-organisms and their compatibility with inactivators used must be demonstrated.
如果在供试品的制备过程中使用了表面活性剂，必须证明其不会对微生物产生毒性并且可与 灭活剂兼容。
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