天水师范学院毕业设计第四章工艺计算..124.1既知量.……………….124.1.1送进反应炉中煤的组分占比124.1.2吹风气中所含组分及其所占比重..124.1.3半水煤气中所含组分及其所占比重.124.1.4各阶段...

1.2实验方法1.2.1白头翁水溶性物质的研究方法单因素试验：以水作为溶剂，原料使用白头翁，探究了白头翁和水的比例、提取的时间，次数和温度，这几个因素对白头翁中水溶性提取率的作用。确定三个...

第三章结论与展望15参考文献....17致谢..212

AbstractChemistry is a very important subject with a perfect score of 100 in the college entranceexamination.Many contents and the related knowledge points are not closely connecte...

关键词：碱木素：酚醛树脂；，木材胶黏剂AbstractLignin is a natural organic polymer and renewable resources,it's content of ligninsecond only to cellulose in plants.Due to the seriou...

1.1.2苦荞的药用价值对于苦荞而言，其自身具备较高的营养价值的同时，其在医学领域的药用价值也不可忽视，发挥着十分重要的作用。苦荞因其高营养价值以及药用价值而享誉中外，出口数量较多，得...

北京理工大学珠海学院2016届本科生毕业设计Synthesis process design of medical transparent PP resin withannual output of 10000 tonsAbstractPP has good chemical properties,good wear re...

北京理工大学珠海学院2020届本科生毕业设计Production Process and Workshop Design of Lithium Iron Phosphatebattery for BYD Car with 10GWh Annual OutputAbstractLithium-ion battery is a...

AbstractDue to its outstanding and stable thermal conductivity,mechanical function,low costof finished products,simple molding process,suitable for large-scale production,andrelati...

AbstractStraw,cotton batting,talcum powder,diatomite,nanometer titanium dioxide,sodium dehydroacetate,phosphor,tea powder,deionized water,etc.were used as themain raw materials for...