Design of the production process of 100 thousand tons ofchloromethane per yearAbstractMethyl chloride (CH3CD),a colorless and liquefiable gas,is usually stored in steelcylinders un...

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...

青岛理工大学工学硕士学位论文3.3.1试验设备.…183.3.2直接拉伸试验….193.3.3楔型劈裂试验..213.3.4三点弯曲试验.223.3.5四点弯曲试验.22第4章试验结果.234.1编号规则..234.2试验结果.234.3试...

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...

英文摘要：The development of Hubei crayfish industry has played a huge role inpromoting local economic development.At present,there are hundreds ofthousands of people in Hubei enga...

公司管理层面临巨大挑战，为了实现公司的快速发展及业绩提升，更好的为企业的发展开源节源，企业快速发展必然离不开合理税收筹划，但目前公司在税收核算统筹规划这方面还存在着许多问题。1、企...

The Significance and Strategy of Blackboard Writingin Mathematics Classroom Teaching under PPTAbstract China's medium and long-term education planning points out that the impact of...

目录摘要..1Abstract.1引言..11.绪论.11.1研究背景11.2课题相关研究现状..11.2.1国外研究现状11.2.2国内研究现状213研究意义。.21.4研究方法.….21.5研究思路。.22.二重极限与累次极限的概念.32...

目录1关于变限积分与积分不等式的国内研究现状分析11.1变限积分的研究现状·········21.2积分不等式的研究现状········22定积分和变限积分的相关概念····2.1定积分的相关概...

AbstractGamification teaching is a new type of teaching mode,also called learning gamification,which integrates games in the classroom to carry out teaching.Comparedwith traditiona...