阻滞剂类高血压药物阿替洛尔（天诺敏），塞利路尔和他林洛尔。

The beta-blocker blood pressure drugs atenolol (Tenormin), celiprolol, and talinolol.

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结论：表面活性剂类声学造影剂经外周静脉注射后血流信号增强效果显著，值得进一步研究。

Conclusions: the surfactant contrast agent is capable of obvious enhancement of flow Doppler signal by intravenous injections, it would be researched further.

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阐述了用表面活性剂类防静电剂、导电性填充料及有机阻燃剂对聚丙烯实现防静电阻燃改性的原理；

The principle of the PPs anti static and fire retardancy modification by means of anti static additive of surfactants, conductive materials and organic fire retardancy additive is elaborated .

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We've identified many drugs that stimulate insulin receptors, for example, but they're not exactly insulin, and those can potentially be used as agonist type drugs.

我们已经设计了很多,能够激活胰岛素受体的药物,但它们都不是和胰岛素分毫不差的,但都可以用作激动剂类药物

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They can antagonize that reaction, and a result they affect blood rate.

受体阻断剂能够阻断这类作用,进而影响血液流速

耶鲁公开课 - 生物医学工程探索课程节选