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我国的食品安全问题及其对策
摘要众所周知,民以食为天,因此食品关系到人们的身体健康,事关千千万万人的生命安全。当今人类已经进入了一个崭新时代,不仅具有较高的生产力、发达的科技文化,而且经济繁荣昌盛、信息交流频...
溴化丁基橡胶微观结构的控制
溴化丁基橡胶微观结构的控制AbstractAs we all know,some of the molecular or organic structures in thechemical structure do not persist in a certain environment.Just like butyl rubber...
学习通APP在中学化学课堂上应用
AbstractWith the rapid development of science and technology,artificial intelligence mobilephones popularize every person to become a modern tool for communication,entertainmentand...
新高考改革背景下初高中化学教与学衔接探究
AbstractThe connection of chemistry teaching in junior high school and senior high school hasalways been a problem studied by scholars.In the environment of the new college entranc...
钛酸锶的光催化产氢性能研究
钛酸锶的光催化产氢性能研究AbstractWith the global environmental pollution and energy crisis becoming severe increasingly,research and development of clean and renewable energy has ...
叔膦催化的一些用于构建五元或六元环化合物的环化反应研究
第Ⅱ页华东理工大学博士学位论文The Researches on Annulations Catalyzed by Tertiary Phosphines toConstruct Five or Six-Membered Ring CompoundsAbstractRecently,due to the fact that a ...
石墨烯-水界面热输运性能调控与输运机制研究
(论文)Study on thermal transport properties and transportmechanism of graphene-water interfaceAbstractThe efficient thermal transport between graphene and water has veryimportant a...
蔬菜发酵专用乳酸菌选育及其菌剂制备核心技术研究
过程中冻干菌剂的细胞存活率从85.59%提高至90.47%,且耗能低,菌剂制备效率高。关键词:植物乳杆菌:分子生物学鉴定:美蓝直接计数法:真空冷冻干燥:保护剂:响应面:两步真空干燥法
陶瓷微滤膜净化200溶剂油的研究
ABSTRACTABSTRACTCeramic microfiltration membranes was used to microfiltrate impure solvent naphtha200 coming from aluminum pigment industry,and the effect of operating parameter,co...
苏州市农贸市场蔬菜重金属残留调查与分析
edbytargetriskfactor(THQ).TheresultsshowedthattheTHQofCd,Ni,CrandPBinvegetableswerechildren>middle-agedandold>youngandmiddle-aged,andthefourheavymetalsweremoreharmfultochildren.Chi...