By summarizing new compounds and intro during biological activity, providing reference for the new drug research and development.

通过对新化合物的归纳整理及生物活性的介绍，为新药的研究与开发提供参考。

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The third part is principal character of debris flow in the research area, involving its survey, law of distribution, main types, activity characters and development trend.

第三部分为研究区泥石流的主要特征，包括泥石流灾害概况、分布规律、主要类型、活动特点以及泥石流的发展趋势。

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A break - through in the research and development of domestic wax hydrotreating catalysts with high activity, good selectivity and superior stability is observed.

具有活性高、选择性和稳定性好的石蜡加氢催化剂，标志着我国对专用催化剂的研究与开发达到了突破性的进展。

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"We want to get it into areas where there are limited options for physical activity, " explained Robert Plourde, the vice president of innovation and research and development at UnitedHealthcare.

CNN: Digital health for kids, seniors and workout buffs