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基于STEM教育下的中学化学教学模式初探
AbstractThis article conducts a questionnaire survey on the problems of traditionaleducation,and integrates the STEM education concept into the teaching process toachieve the purpo...
纳米CeO2光催化材料合成与性能研究
AbstractDue to the rapid development of industry and other factors,the problem of waterpollution has become more and more serious.How to efficiently degrade organic dyes andpolluta...
年产25万吨DME生产工艺设计
3.3.1数据......273.3.2冷凝器的热负荷....283.3.3再沸器的热负荷.....293.3.4冷却水消耗量和加热蒸汽消耗量...........304结论.......31参考文献.。.32谢辞..33附录.…34
年产45万吨对二甲苯生产工艺设计
北京理工大学珠海学院2020届本科生毕业设计The annual output of 450,000 tons of p-xylene productionprocess designAbstractIn this paper,the annual output of 450,000 tons of methanol ar...
柴油氧化脱硫
ABSTRACTAs a light oil fraction in the fuel of the compression ignition engine,the diesel oil should notonly have excellent working performance,but also have low emissions.With the...
干热处理对西瓜种子活力及细菌性果斑病灭菌效果影响的研究
目录摘要。1一、引言….3二、干热处理对西瓜细菌性果斑病灭菌效果的影响…3(一)材料与方法.4(二)结果与分析..6(三)讨论…10三、不同缓冲处理对种子活力的影响..11(一)试验材料.11(二)试验方法.1...
年产10万吨风味酸奶生产车间设计
北京理工大学珠海学院2020届毕业设计Design of a production workshop with an annual output of 100,000 tons offlavored yogurtAbstractThis design refers to a large number of materials a...
年产4.6亿粒布洛芬生产车间的设计
Design of ibuprofen production workshop with an annual outputof 460 million tabletsAbstractIbuprofen is a non-steroidal anti-inflammatory drug (NSAID)that is commonly used inclinic...
含镁磁铁矿固溶体矿物的合成及其导电性能研究
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