摘要首先，利用温度响应单体NAGA在引发剂和交联剂存在的条件下自聚，同时引入碱性活性位点（叔胺基），形成立体空间网状结构的吸附剂TP30,通过红外光谱(R)、热重分析(TG)的结果证明了有机功能基...

AbstractThe form of multiple integral is various.Mastering calculation methods isthe key to solve problems.This paper mainly discusses several calculationmethods of double integral...

目录引言.1预备知识....A..12行列式的一般解法2.1三角化法...2.2特征值法72.3代数余子式法3行列式的特殊解法93.1加边法....3.2拆分法..113.3递推法..。133.4数学归纳法143.5函数法..143.6打洞原...

本科论文AbstractThe internal control of administrative institutions is a system formed by the joint action ofsystems,processes and mechanisms.The purpose of its establishment is to...

been completed.

毕业论文（设计）AbstractAs the further economic reform causing the rapid rate of economic development,thereare many foreign-owned or Joint Venture enterprises setting up in China,i...

北京理工大学珠海学院2020届本科生毕业论文Analysis of investment value of Huatai SecuritiesAbstractIn the wake of the development of global economic integration,the capital operation...

本科论文摘要为了想让消费者感到购买的物品物有所值、我通过换位思考的角度去设计，我在本次包装设计中尽可能的为消费者的便捷和实用感着想。首先使用了笔画温润活泼、天真浪漫的站酷彤彤体对L0...

山区村庄综合发展，发展山区生态农业与适宜山区的旅游、康养等产业。构建高低错落、人与自然和谐共处的山水画卷，建设具有云南省特点的山、水、林、田、房交相辉映的山区村庄。对此，建立一套完...

本科论文摘要本文以“清晨物语”品牌文具包装设计作品为例，基于对文具产品的市场需求、文具产品的受众人群的分析，为“清晨物语”品牌文具包装设计明确市场定位和风格定位。在此基础上从色彩的...