Design of biodiesel production process with an annual output of100,000tonsAbstractNowadays,the increasing shortage of natural fossil non-renewable resources and theecological envir...

Rapid detection of heavy metal residues such as lead and cadmium inlegume and its products by inductively coupled plasma massspectrometry (ICP-Ms)AbstractEstablish ICP-Ms method fo...

北京理工大学珠海学院2020届本科生毕业设计Production process design for lithium battery of 50,000 lenovoThinkPad e590AbstractThis graduation design is for lenovo ThinkPad e590 lithiu...

Preparation of the water treatment chemical Poly AluminumChloride-Study on methods of improving basicity of Poly AluminumChloride making from the solid waste which contains aluminu...

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...

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

毕业设计1.前言我国的磷肥工业起步较晚。20世纪50年代在南京和太原兴建了两个大型磷肥厂，主要生产过磷酸钙：20世纪60年代初，开始发展钙镁磷肥：20世纪80年代以来，磷酸铵和硝酸磷肥相继投产，...

北京理工大学珠海学院2020届本科生毕业设计诚信承诺书本人郑重承诺：本人承诺呈交的毕业设计《保有量4000头猪的养殖场沼气系统设计》是在指导教师的指导下，独立开展研究取得的成果，文中引用他...

AbstractIn the middle school chemistry classroom teaching,using the skill of introductoryprocedures is aimed to attract students'interest and improve their learning efficiency.At p...

AbstractEfficient classroom teaching is the pursuit of all teachers.In this paper,twodifferent teaching methods are used in the third grade of the 13th middle school inXiapu.One is...