中文摘要钙钛矿吸收层对于太阳能电池光电转换效率的影响是至关重要的。本文采用溶液法制备了钙钛矿太阳能电池，研究了在特定退火温度下退火时间对钙钛矿吸收层结构、形貌及其吸收的影响。研究结...

目录1磁阻效应的概述...·…1.1磁阻效应的概念....11.2磁阻效应的分类11.3磁阻效应的应用22磁阻效应实验....·..22.1实验目的....…22.2实验原理32.3实验仪器..42.4实验内容62.5注意事项..103磁...

Annual output of 120000 tons of acrylonitrile recycling sectionprocess designAbstractAcrylonitrile,colorless,is a kind of liquid with pungent smell,which is easy to burn.When its w...

=357,居里温度T。达429℃。结果表明采用RTGG技术制备的NKLN压电陶瓷沿(00)方向取向性生长明显，所得织构陶瓷各向异性生长比较显著。关键词：铌酸钾钠无铅压电陶瓷熔盐法模板晶粒生长法II

2,5-二氯苯酚的合成新工艺研究The Study on Synthesis of 2,5-DichlorophenolAbstractDicamba,which trade name is Banvel and chemical name is 3,6-dichloro-2-methoxy-benzoic acid.Dicamba ...

AbstractThe most basic teaching plan of chemistry is the subject of understandingthrough experiments.Experiments can stimulate students'understanding consciousness,practical operat...

AbstractThis article conducts a questionnaire survey on the problems of traditionaleducation,and integrates the STEM education concept into the teaching process toachieve the purpo...

北京理工大学珠海学院2020届本科生毕业设计Design of 100W direct methanol fuel cell systemAbstractDirect Methanol Fuel Cell (DMFC)is a kind of proton exchange membrane Fuel Cell,which...

AbstractChemistry entails exploring not only the properties and changes of matter at themacro level,but also the composition and structure of matter at the micro level,andthe link ...

Process design for acetaldehyde production with an annualoutput of 200,000 tonsAbstractAcetaldehyde is a kind of important hydrocarbon derivatives,acetaldehyde productionmethods th...