转化为非晶区的现象就越明显，同时对拉伸过程中的键长、键角、二面角、缠结度、取向度进行分析，揭示温度对拉伸过程中微观结构的影响。关键字：分子动力学模拟；半晶态聚乙烯：拉伸速率；结晶度...

Catalytic Effect of sensitizer concentration on Luminescent Properties of CeMn co-doped La-Al-Si glassAbstract:White LED is a new generation of solid-state lighting source.In this ...

The study on the anti-influenza activity of bismuth nanoparticlesAbstractInfluenza epidemics have become a global public health challenge.Recent years,seasonalflu has killed betwee...

北京理工大学珠海学院2020届本科生毕业设计Production process design of 300000 t/a biomass fuel ethanolAbstractChina is rich in cellulosic biomass materials,which can meet the demand ...

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...

成都理工大学硕士学位论文C-N偶联反应合成N-(2-卤芳基)氨基酸酰胺。本论文研究内容主要包含三个部分：首先，选择邻溴碘苯和L-丙氨酰胺盐酸盐为底物，进行反应条件的优化，对该反应体系中催化剂...

Abstract[Objective]The common gene fragments of all species and genera of Brucella were screened,and theprimers and probes suitable for amplification of target genes were designed....

1前言1.1何首乌的概述何首乌，是一种蓼科植物中药何首乌（Polygonum multiflo一u1Thmb.)的干燥块根，含有多种药理活性成分，例如二苯乙烯苷、蒽醌类衍生物和软磷脂等，是享誉中外、延用千年的知...

pH响应均三嗪淀粉醚的合成及性能研究Synthesis and Properties of Novel pH-responsive s-triazine Starch EtherAbstractIn this study,based on acidic and alkaline responsiveness of tertia...