1.2.5复合果酒发酵条件的优化正交试验91.3检测方法以及检测指标….91.3.1山楂汁浸提率的测定方法..91.3.2理化指标的测定方法及参考指标.91.3.3复合果酒的感官评价方法以及感官指标.92结果与分析...

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...

ess mathematical history to master;Second,in the real classroom teaching environment,eventhough teachers seldom use HPM to integrate the history of mathematics into classroom teach...

1.研究背景…1.1国家教育现代化要求…1.2全民网课实践机遇1.3研究内容和方法1.3.1文献研究法1.3.2调查问卷法……11.3.3访淡法……12.现状和调查分析……22.1概念界定……22.2学生现状……22.3教...

Abstract'The history of mathematics into high school mathematics teaching'has alwaysbeen the hot spot of the new curriculum reform.The purpose of this paper is to studyhow to integ...

AbstractThe history of mathematics is a science that takes the development course of mathematics as the object,and explores the contents,ideas,methods and research course of mathem...

Junior High School Teaching Design Based on Mathematics MultipleRepresentation Learning Theory-Taking Function as an ExampleAbstract In this paper,the current situation of function...