Key words:Variance;heritability;effect value;hybrid1.绪论：小麦是中国乃至世界的主要粮食之一，相比较普通的小麦品种，良种小麦的适应性、产量、抗病能力等方面有着显著的又是，选育良种小...

AbstractWith the passage of time,the way of thinking in which teachers buildmodels in chemistry teaching is not only based on the original cognition,It allows students to broaden t...

本科毕业论文（设计）Abstract:ObjectAmmoniumformateisusedindrugsynthesisasahydrogendonoroftrans ferhydrogenation(mainlycatalytictransferhydrogenation).Itisalsowidelyusedinthesynthes...

AbstractIn recent years,with the development of the times and the gradual improvement ofpeople's living standards,people's attention to physical health has become increasinglyhigh,...

电子科技大学博士学位论文论：含单个氟原子的PMFPS对DMMP的敏感性能最差，而PMPS和PMDFPS则需要在响应时间和响应幅度之间综合考虑选择。4.通过使用模式识别中的主成分分析以及聚类分析，从15种...

AbstractChiral side-chain liquid-crystalline polymers were graft copolymerized by usingpoly(methylhydrogeno)siloxane,a cholesteric monomer (Mi)cholesteryl4-(undecen-1-yloyloxy)benz...

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北京理工大学珠海学院2020届本科生毕业设计Design of Waste Gas Treatmentfor Pig Farm in Qingyuan City,Guangdong ProvinceAbstractAccording to the production and characteristics of wast...

Production process design of high efficiency dye-sensitized thin filmsolar cellAbstractDue to the pollution of fossil energy and the intensification of energy crisis,thedevelopment...

四川工商学院本科毕业论文（设计）Design and implementation of automatic chemical solutionproportioning detection and control deviceAbstract with the development of economy and the p...