目录1言，。，，，，，，，，。，，。。。。，，，。，。，。，，，2H县金银花概况及金银花叶种植成本控制现状12.1H县金银花概况..………2.2H县金银花金银花叶种植成本管理现状控制现状..13H县...

ABSTRACTAs a light oil fraction in the fuel of the compression ignition engine,the diesel oil should notonly have excellent working performance,but also have low emissions.With the...

北京师范大学珠海分校工程技术学院A meta-analysis of arbuscular mycorrhizal fungi effects onTrifolium Plants growthABSTRACTWith frequent drought,water logging,high temperature,low te...

目录摘要。1一、引言….3二、干热处理对西瓜细菌性果斑病灭菌效果的影响…3(一)材料与方法.4(二)结果与分析..6(三)讨论…10三、不同缓冲处理对种子活力的影响..11(一)试验材料.11(二)试验方法.1...

北京理工大学珠海学院2020届本科生毕业设计Factory design of formaldehyde production by methanol oxidationABSTRACTBoth the process and catalyst of iron molybdenum process in our count...

西南科技大学硕士研究生学位论文第1川页AbstractIn this paper,methoxy polyethylene glycol(PEG)stabilized goldnanoparticles PEG-AuNPs and thiol functionalized PEG stabilized goldnanopa...

摘要关键词模板法，贵金属，三维纳米材料，催化性质

北京理工大学珠海学院2020届本科生毕业设计Preliminary design of hydrolysis section of methyl acetate withannual output of 46,000 tonsAbstractThis design is a preliminary design for t...

Design of production process for 100,000 tons of Bisphenol a perAbstractChina is one of the major consuming countries of BISPHENOL A.In recent years,although bisphenol a (BPA)has b...

山西师范大学毕业论文The Research on the Function of CysA Proteins in RalstoniasolanacearumAbstractCysA is an ABC transporter that transports sulfates and thiosulfates into cells.He...