新型脱氢枞胺衍生物的合成及其生物活性研究Synthesis and biological activities of several novel derivativesof dehydroabietylamineAbstractDehydroabietic amine is one of the rosin deriv...

北京理工大学珠海学院2020届本科生毕业设计Design of a plant to produce Methyl 4-tert-butylbenzoateusing 4-tert-Butylbenzoic acid and methanol as raw materialsAbstractMethyl 4-tert-bu...

本科论文AbstractFinancial analysis is a kind of management activity,which is based on the relevantinformation in financial statements and accounting related information,through the...

调度控制中心的工作人员利用“智慧供热”平台，加大供热调度，实时监测运行参数，进一步加强管网平衡调节，将气象数据、供热曲线以及温度平衡等与热网管控有机融合，使供热管网运行更加稳定。客...

目录摘要.。。。IAbstract.............引言.。。。11贝叶斯公式的定义及推导。。。。31.1贝叶斯公式的定义...1.2贝叶斯公式的推导..1.2.1条件概率.....….31.2.2全概率公式...·1.2.3贝叶斯公...

目录引言11文献综述..11.1理论基础.11.2己有研究.22待定系数法的教学依据和策略..22.1待定系数法的理论依据.…22.1.1新课标对待定系数法的基本落实........22.1.2待定系数法与数学美的交融.·0....

目录1引言..42函数与方程思想...。52.1基本概念....52.2函数与方程思想关系..53函数与方程思想在解题中的应用..53.1函数思想在解题中的应用....·53.1.1利用函数的单调性解题..…63.1.2利用函数...

AbstractThe history of mathematics is a part of mathematics culture,which plays animportant role in cultivating students'mathematics literacy,humanistic literacy andcomprehensive q...

AbstractFirst of all,this article plays a positive role in teaching through 'RecentDevelopment Zone',and explains that if the 'Recent Development Zone'is appliedto junior high scho...

Research on The Application of Mathematical Model in Middle SchoolMathematics TeachingAbstract In order to research the application of the mathematical modeling idea in secondarysc...