Types, characteristics, toughening mechanism, effects and current research situation of toughened PVC materials in China are introduced.

介绍了国内增韧聚氯乙烯的材料种类、特点、增韧机理、效果及研究现状。

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A review of the biologic mechanism about electromagnetic radiation and microwave, their harmful effects to hu-man body, problems in our research and the prospect.

本文综述了近年来电磁辐射和微波的生物学机制、对人体各组织器官的不良影响、研究中存在的问题以及研究方向。

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Objective: To observe the clinical effects of "Fu-Kang" waistband therapy on lumbar disc herniation and research its effective mechanism.

目的：观察“复康牌”药磁腰托疗法对腰椎间盘突出症的治疗效果并探讨其作用机理。

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Understanding the mechanism and implication of these effects is another crucial research step, and a difficult one to take at the moment because it is hard to assess the results from one paper on geoengineering in the light of another.

ECONOMIST: Geoengineering