AbstractThe paper based on the welding low carbon steel Q235 steel plate as the research object,and blind hole method using simulated stress and strain measuring two ways to explor...

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生物降解包装材料的研究摘要：作为能够自源头方面将“白色污染”的问题予以解决的环境友好型材料的生物降解包装材料正以其巨大的优越性而为现在的社会越来越重视对它的技术研究开发以及推广应用...

北京理工大学珠海学院2020届本料生毕业设计Design and implementation of automatic ultrasonic testing systemfor disc water immersionAbstractFive kinds of conventional ultrasonic nondes...

pH响应均三嗪淀粉醚的合成及性能研究Synthesis and Properties of Novel pH-responsive s-triazine Starch EtherAbstractIn this study,based on acidic and alkaline responsiveness of tertia...

AbstractChiral side-chain liquid-crystalline polymers were graft copolymerized by usingpoly(methylhydrogeno)siloxane,a cholesteric monomer (Mi)cholesteryl4-(undecen-1-yloyloxy)benz...

AbstractDue to its outstanding and stable thermal conductivity,mechanical function,low costof finished products,simple molding process,suitable for large-scale production,andrelati...

酶活和B-葡萄糖苷酶活分别达到11.13IU/mL、465.24IU/mLand4.08IU/mL,均高于摇瓶发酵水平，分批发酵动力学过程显示，突变菌YT02菌体生长和纤维素酶各组分均为部分祸联。4.利用DEAEsephadex A-25...

致谢本论文的选题、实验设计是在我导师闫红强老师的悉心指导下完成的。闫老师严谨的工作态度、渊博的知识，在我论文编写以及论文实验的过程中提供了许多的帮助，还树立了良好的榜样，在此我向闫...

AbstractThis paper aims at the chemistry class of xiapu no.1 middle school,Taking the coursecontent of 'aluminum metal materials'in compulsory course 1 of lukke edition as anexampl...