Researching Progress of Nattokinase Gene 纳豆激酶基因工程研究进展
The categories and function mechanisms of polymeric noise reduction composites were reviewed and the researching progress and applications were briefly introduced.
综述了降噪高分子材料的主要种类及其作用机理，并对高分子降噪材料的研究现状和应用情况作了简单的介绍。
The researching progress, synthesis and applications of hyperbranched polymer with terminal hydroxyl are introduced, and the application foreground of leather industry is forecasted.
本文介绍了端羟基超支化聚合物的研究进展，合成方法及在各个领域的应用，并展望了其在皮革工业中的应用前景。
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