本实验不用乳化剂（乳化剂残留对合成乳液的涂膜性能产生不利影响），成功合成水性PUA分散体。简要过程为：首先在丙烯酸单体存在下制备由一NCO封端的高分子预聚体，并使用少量HPA封端。预聚体残...

北京理工大学珠海学院2020届本科生毕业设计Design of a biodiesel factory with annual production of 8000 tons ofslops oilAbstractAs a kind of artificial treatment of restaurant waste c...

西南大学食品科学学院本科毕业论文1文献综述1.1南川大古树茶概述茶文化在中国的起源，相对比较早。著名的《神农本草》中就比较早出现了“茶”字。之后，作为世界范围的茶文化起源地，茶文化被传...

希夫碱及仲胺类化合物的合成、表征及金属离子识别作用研究的选择性。预组织原则是指受体和底物分子二者在进行识别以前，受体分子根据环境预先对初结构进行组织，组织出对底物有很好的容纳能力的...

本科论文AbstractAfter the establishment of the People's Republic of China,the 'first five plan'was formulated.The country's heavy industry grew stronger and the national economybec...

北京理工大学珠海学院2020届本科生毕业论文毕业论文诚信承诺书本人郑重承诺：我所呈交的毕业论文Deep Learning ApproachBased on English Picture Books for Primary School Students在指导教师...

毕业论文（设计）1.IntroductionTranslation as the most prominent way of intercultural communication is a greatchallenge to both translators and translation theorists.Translation Stu...

A Comparative Study of the Effects of Input/OutputPractice on Test PerformanceOf College English MajorsbyHu ShuqingUnder the Supervision ofProfessor Yan YixiSubmitted in Partial Fu...

3.4大厂街道社区环境治理...123.4.1车辆停放规划....123.4.2道路与路灯维修....123.4.3街道环境优化与垃圾分类....…133.4.4社区办公场所升级....153.5大厂街道社区治安治理...163.5.1监控防控...

The application of vector method in mathematics problem solvingAbstract Vector occupies a large proportion in middle school mathematics,and it also appearsfrequently in the college...