本实验不用乳化剂（乳化剂残留对合成乳液的涂膜性能产生不利影响），成功合成水性PUA分散体。简要过程为：首先在丙烯酸单体存在下制备由一NCO封端的高分子预聚体，并使用少量HPA封端。预聚体残...

Design of Solar Ammonia Absorption Grain Preservation SystemAbstractAs China is a large grain production country,the grain silo occupies a very importantrole in our country.With th...

本科论文关键词：危险化学品；危险特性：预防：应急处理AbstractIn today this is a highly developed civilization,chemical is indispensable,and the worldthat we live in is by a variety ...

哈尔滨石油学院本科生毕业设计（论文）AbstractWhen natural gas is used as fuel,it will produce acid components.It will not onlycause the corrosion of machines and pipelines in the pr...

AbstractGraphene was prepared by traditional method and organic carbon by addingmedium strength sulfuric acid (12 mol/L)as intercalation agent.Natural graphite wasstripped in alkal...

长沙医学院本科生毕业论文〔设计)AbstractObjective:To study the extraction process optimization and bacteriostasis of threekinds of effective components of scented tea.Through differ...

目录1仪器与试药1.1仪器1.2试药…2方法与结果2.1正交实验设计2.2对照品溶液的制备2.3样品溶液的制备22.4色谱条件.…2.5线性范围.。22.6精密度实验32.7重复性实验32.8稳定性实验2.9加样回收率实...

AbstractChemistry entails exploring not only the properties and changes of matter at themacro level,but also the composition and structure of matter at the micro level,andthe link ...

ABSTRACTChitosan (CTS),as an important macromolecule organic compound,is widely used inchemical industry,medical treatment,food manufacturing and other industries.Butbecause of its...

AbstractSewage treatment stations to deal with the odor generated by sewage,thisproblem has now become a major environmental problem to be solved in China.Hydrogen sulfide and ammo...