摘要《化学课程标准》(2017版)系统地阐述了化学核心素养应包括的五个方面。本文以“宏观识识与微观探析”为研究对象，为研究其他核心素养奠定了基础。着重从宏观现象中识别出特定物质，从微观角...

北京理工大学珠海学院2020届本科生毕业设计Design of 100KW photovoltaic-fuel cell composite power generationsystemAbstractWith the rapid development of society and the reduction of fo...

北京理工大学珠海学院2020届本科生毕业设计AbstractIn Non-Destructive Testing,ultrasonic penetration method is one of thecommonly used methods.Scanning detection is an effective way t...

目录1引言2实验内容与方法.…2.1实验原料、设备与仪器2.1.1实验原料2.1.2实验设备与仪器2.2实验方法2.2.1前驱体法.32.2.2碳热还原法2.3试样表征…52.3.1X-射线衍射XRD)分析.52.3.2扫描电子显微...

化学化工学院2020届材料化学专业毕业论文1989年揭开了。20世纪90年代以后，科研家对多孔配合物愈来愈重视，许多具有特殊功能的多孔材料呈现。配位多聚物的催化性质在1994年被Fujita等发现了。19...

Simulation and Optimization of Methanol Distillation ProcessBased on Aspen PlusAbstractAs the most basic organic material,methanol is one of the most concerned energysources in the...

million vitamin C Yingiao tabletsAbstractVitamin C Yingiao tablets contain not only forsythia and honeysuckle,but alsosome Western medicines,such as chlorpheniramine and Paracetamo...

Production process design of annual production of 100,000 tons ofpropylene oxideAbstractThe design theme of this design is the production process design of 100,000 tons ofpropylene...

北京理工大学珠海学院2020届本科生毕业设计AbstractRed dates are ripe fruits of the genus Rhamnoides.As the only red dateexporting country in the world,China has rich experience in th...

英文题目AbstractPCB,also known as printed circuit board in Chinese,can be called printed circuitboard,it can be said to be one of the most critical electronic components in anelect...