Production process design of penicillin with annual outputof 700 tonsAbstractThe main purpose of this design is to design the production process of penicillin,penicillin is mainly ...

北京理工大学珠海学院2020届本科生毕业设计Process design of 200,000 aluminum alloy cosmetic caps with anannual outputAbstractAt present,the application of anodic oxidation in the fie...

强电场下玻璃绝缘材料积污特性研究学生：（指导老师：）(电气与光电工程学院)摘要：绝缘子在保证电力安全运行的过程中拥有非常重要的作用，他不仅作为导线与铁塔机器的绝缘部件，而且是保证电力...

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...

AbstractThe connection of chemistry teaching in junior high school and senior high school hasalways been a problem studied by scholars.In the environment of the new college entranc...

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...

Active Ingredients and Development and Utilization ofBamboo LeavesAbstract:In China,bamboo is a very common plant with the characteristics of wide distribution,fast growth,highyiel...

Research on the development of rural e-commerce inwestern Guangdong Province under the background ofrural revitalizationABSTRACT Rural revitalization is the national strategy of ac...

摘要在数学中，不等式的证明与应用是重点考察内容，贯穿整个数学的学习。其中的几个重要不等式，如基本不等式、均值不等式、排序不等式和柯西不等式，均可实现推导证明与应用。本文主要就以上几...

任务目标要求（文献阅读、外文资料翻译、设计或实验工作量，图纸、软硬件数量及技术指标等）：本论文要求阅读一定数量的文献资料，深入学习代数数与超越数的相关知识，归纳总结已有代数数与超越...