Abiological protective respirator with equal protection level of the half face mask 一种达到面具防护水平的生物防护口罩
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Now government researchers want to work with a private company to produce large amounts of the virus . it could then be used as abiological control 目前政府研究者想与私人公司共同合作来生产大量的病毒，这些病毒将被作为一种生物手段加以应用。
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Abstract : this paper is an attempt to reviewbriefly the following fourresearch trends in plant physiology at the turn of century : from research on biological macromolecules to clarification of complex life activities - genomics , construction and function of gene ; a key link in achieving integrated life activity - signal transduction ; the energy and material basis of life activity metabolism and its control ; the interrelationship between plant and environment ( both biological and abiological ) - biological coevolution and adaptability 文摘:简要介绍了当今植物生理学研究中值得注意的四个动向，它们是：从研究生物大分子到阐明复杂生命活动? ?基因组学、基因结构与功能的研究；实现生命整体性的重要环节? ?信号传递的研究；生命活动的能量和物质基础? ?代谢及其调节的研究；植物与环境(非生物和生物环境)的相互关系? ?生物的协同进化和适应的研究。
