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...

The productive technology of 100,000 tons n-butyl alcohol per yearAbstractN-butyl alcohol (CH3CH2CH2CH2OH)is a colorless,transparent,wine smell ofimportant organic chemical raw mat...

Production Process Design of High-Performance Polyurethane forWood Coatings with an Annual Output of 2000 Tons.AbstractThis design is the production process design of high-performa...

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...

Electrical performance test of carbon fiber composite laminateswith graphene oxide contentAbstractCarbon fiber composites(carbon fiber reinforced polymer,abbreviated CFRP)areapplie...

北京理工大学珠海学院2020届本科生毕业设计Design of the water-immersed ultrasonic scanning deviceof the discAbstractThe coupling agent used in ultrasonic testing for water immersion ...

状况，同时将数据反馈给学校的教学管理部门，使其对教学质量现状有一个全面的认识，从而改善教学环节提供资料，进而组织相关部门做好教学改革方面的工作。这对特殊教育专业课堂教学的满意度提升...

Investigation and analysis on the quality of questions asked by middleschool mathematics teachers--a case study of peiren school in donghai countyAbstract The teacher's question is...