高效率长寿命蓝色荧光有机发光二极管的研究
20%。并对两个器件性能改变的机理进行了分析。实验结果表现为有/无空穴阻挡层的器件BI值分别为171和142,有空穴阻挡层的器件BI值比无空穴阻挡层的器件BI值高20%左右:寿命方面,无空穴阻挡层的...
反证法在中学数学中的运用
The application of proofs by contradiction in middle school mathematicsAbstract As a common proof method in mathematics,proofs by contradiction has been widelyapplied in dealing wi...
沈阳机床股份有限公司目标成本管理的应用研究
本科论文AbstractWith the rapid development of the market economy,target cost management isparticularly important for enterprises that want to take the lead in the fierce marketcomp...
ApplicationofPolitenessPrincipleinBusinessNegotiation
毕业论文(设计)1.IntroductionIn business,it is mostly through negotiation that exporters and importers bridgethe difference and reach a fair and mutually satisfactory deal (Liao Y...
InternationalBusinessNegotiationStrategiesandSkills
毕业论文(设计)1.IntroductionInternational business negotiation strategies and skills are important to thedevelopment of countries and enterprises.Some articles have concluded neg...
羊栖菜酸奶片制作工艺研究
AbstractIn this study,Sargassum fusiforme and yoghurt were used as the main raw materials todevelop a new type of yoghurt tablet by microwave technology.First of all,the single fac...
跨境电商下航空货运物流的现状及对策分析——以M公司为例
Status and countermeasures of air cargo logistics incross-border e-commerce environment--Take company M as an example[Abstract]Company M,located in Guangzhou,Guangdong Province,has...
CfSiC复合材料与高温合金反应复合扩散钎焊工艺优化研究
(论文)4.2工艺参数对接头组织结构的影响规律.404.2.1连接温度404.2.2保温时间..434.3复合材料侧界面反应分析与讨论464.4高温合金侧扩散层分析与讨论..505反应复合扩散钎焊接头力学性能.….535....
浅谈上市公司盈利质量
AbstractWith the development of the times,the progress of science and technology,moreand more listed companies continue to emerge,to judge whether a listed company isgood or bad,ma...
班主任学科背景对小学生数学学习兴趣影响的研究
A study on the influence of the background of the head teacher on thepupils'interest in Mathematics LearningAbstract Learning interest is not only the internal power of students'ac...












