分类
子分类
文件格式
排序
墙衣净化室内空气甲醛的性能研究
AbstractStraw,cotton batting,talcum powder,diatomite,nanometer titanium dioxide,sodium dehydroacetate,phosphor,tea powder,deionized water,etc.were used as themain raw materials for...
新高考背景下的中学化学学科现状调查及策略
AbstractFujian Province,as the third batch of pilot provinces for the reform of collegeentrance examination,will implement a new college entrance examination plan in2021.Under the ...
年产10万吨醋酸乙酯生产工艺的设计
北京理工大学珠海学院2020届本科生毕业设计The design of the annual output of 100000 tons of ethyl acetateproduction processAbstractEthyl acetate is a widely used solvent in chemical ...
年产50万支人乳头瘤病毒疫苗工厂设计
An annual output of 500,000 Human Papilloma Virus vaccinedesign workshopAbstractOne of the most common female malignancy is cervical cancer,the cancer is insecond place in the fema...
大豆根瘤固氮活性对干旱的响应
大豆根瘤固氮活性对干旱的响应摘要:在开放的试验场地中通过定量浇灌控制土壤干旱程度,对盆栽大豆进行试验测定,研究了不同干旱程度对大豆根系,重点是根瘤活性的影响。结果表明,土壤的干旱程...
以潲水油为原料的年产80000吨的生物柴油工厂设计
北京理工大学珠海学院2020届本科生毕业设计Design of a biodiesel factory with annual production of 8000 tons ofslops oilAbstractAs a kind of artificial treatment of restaurant waste c...
AP2ERF家族苞片发育相关基因的克隆鉴定及功能研究
AbstractDavidia involucrata is a deciduous tree with wild species only growing in southwest andcentral China.The base of the Davidia involucrata inflorescence has opposite bracts a...
大连化工厂的选址与
摘要采用本体法,悬浮法,乳液法等方法制备了丙烯腈苯乙烯共聚物。一种透明的或半透明的、水白色的粒子。密度一点六到一点八克/位立方厘米。一五十七。其平衡吸水率为0.66%。在82105℃范围内的...
年产5亿粒氯雷他定口腔崩解片生产车间设计
北京理工大学珠海学院2020届本科生毕业设计Annual production of 500 million tablets of loratadine oraldisintegrating tablets workshop designAbstractsLoratadine (LORA)is an antihistami...
高铬铸铁的热处理工艺研究
目录第一章绪论.....41.1课题工程背景及意义....……4第二章实验方案.......52.1实验材料...。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。52.1.1基体金属成分的设计...












