毕业论文（设计）报告低摘要本文研究了不同基质含水量对薄荷种子生长发育的影响。分别用20%，40%，60%,80%和100%的土壤水分种植植物。在其他变量控制下，结果表明，40%薄荷种子的平均发芽起始时...

北京理工大学珠海学院2020届本科生毕业设计Annual production process design of Eva resin for 10,000 tons offoamingAbstractThis design intends to produce 10,000 tons of EVA resin.First...

目录1前言.1.1不锈钢板简介1.2不锈钢着色研究进展21.2.1化学着色法.21.2.2真空离子着色法21.2.3激光氧化着色法.21.2.4离子注入着色法1.2.5新型超声波热浸着色法.22设计方案.…42.1设计方案42.2...

北京理工大学珠海学院2020届本科生毕业设计Annual production of 500 million tablets of loratadine oraldisintegrating tablets workshop designAbstractsLoratadine (LORA)is an antihistami...

Annual output of 120000 tons of acrylonitrile recycling sectionprocess designAbstractAcrylonitrile,colorless,is a kind of liquid with pungent smell,which is easy to burn.When its w...

北京理工大学珠海学院2020届本科生毕业设计Production Process and Workshop Design of Lithium Cobalt OxideCathode Material with an Annual Output of 4000 TonsAbstractThis design mainly ...

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...

AbstractThe use of supercapacitors is affected by environmental factors,but fewscientists have studied them.This paper studies the effect of ambient temperature onthe capacitance o...

山西师范大学学位论文AbstractHigh-order harmonic generation(HHG)is a nonlinear phenomenaresulting from the interaction of intense laser fields with the atomsand small molecules.As a...

摘要新课程标准指出，化学教学要从学生已有的生活经验出发，让学生在熟悉的生活情景中感受化学的重要性。社会的高速发展也要求学生把所学习的知识应用于生活实际，而实验是高中化学学习中非常重...