北京理工大学珠海学院2020届本科生毕业设计Design of the water-immersed ultrasonic scanning deviceof the discAbstractThe coupling agent used in ultrasonic testing for water immersion ...

ABSTRACTIn this paper,the temperature field distribution of aluminum alloy with differentthickness was studied by ABAQUS finite element software.Several groups ofdifferent welding ...

Plant design for producing elementalsulfur from flue gas sulfur dioxideAbstractBecause of the serious problem of sulfur dioxide gas pollution,this paper aims toremove sulfur dioxid...

目录第1章绪论…21.1VCM研究背景...2第二章实验内容.…22.1反应装置示意图22.2实验部分.。32.2.1催化剂的合成.............32.2.2催化剂的活性考察..……32.2.3结果与讨论…..32.2.3.1活性组分C...

聊城大学本科毕业论文摘要电化学分解水是一种很有前途的可持续转化、储存和运输氢能的技术。寻找具有高活性和耐久性的析氢/析氧反应HER/OER)电催化剂来替代贵金属催化剂，在水电解的可扩展应用...

Plant design of producing methylal from methanol andformaldehyde aqueous solutionAbstractMethylacetal,also known as Dimethoxymethane (DMM),is an excellentenvironment-friendly solve...

AbstractBioethanol is a new type of clean energy with sustainable development.It can beused as the oxygenator and blending agent of gasoline.When it is mixed withgasoline,it can ef...

表型评价结果证实，5株突变株与野生菌株在表型特征上存在着明显差异：PC℉扩增结果说明5株突变株基因组上具有转座子T江B-1的同源序列，但在野生菌株0-9基因组上没有；利用Southern杂交技术，检...

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...

Advances in Studies on the Biological Activities of Lutein andZeaxanthin and Their Applications in foodAbstractBoth lutein and zeaxanthin belong to one of the carotenoids.They are ...