Study on the improvement of anti-slipand wear resistance of EVA for soleAbstractIn this paper,the improvement direction of anti-skid and wear-resistant performance ofEVA sole mater...

AbstractHigh-performance liquid chromatography-mass spectrometry (HPLC-MS)inconjunction with technology in recent years developed a new separation analysistechniques.It a very wide...

Identification of Elephant Species by Nested PCR and GeneSequencingAbstractIn order to establish a technical method that can accurately identify elephant species,thisstudy designed...

目录中文摘要.…1英文摘要..21绪论..31.】氧化锌的基本性质31.2氧化锌的制备工艺概述31.3氧化锌薄膜的应用.61.4本文的研究思路与主要内容.72氧化锌薄膜的制备及光电性能研究.82.1溶胶-凝胶法制...

并根据式1计算去除率：去除率=Co-C-×100%C式中：Co为吸附前污染物的浓度，mgL：C为吸附前污染物的浓度，mgL。2结果与讨论-Cu22.1Na2S投加量的影响◆-COD20反应时间(min)】图4反应时间对Cu+与CO...

北京理工大学珠海学院2020届本科生毕业设计诚信承诺书本人郑重承诺：本人承诺呈交的毕业设计《保有量4000头猪的养殖场沼气系统设计》是在指导教师的指导下，独立开展研究取得的成果，文中引用他...

AbstractIn the middle school chemistry classroom teaching,using the skill of introductoryprocedures is aimed to attract students'interest and improve their learning efficiency.At p...

AbstractEfficient classroom teaching is the pursuit of all teachers.In this paper,twodifferent teaching methods are used in the third grade of the 13th middle school inXiapu.One is...

AbstractThis paper aims at the chemistry class of xiapu no.1 middle school,Taking the coursecontent of 'aluminum metal materials'in compulsory course 1 of lukke edition as anexampl...

河北联合大学硕士学位论文AbstractIn the field of the coal,vibrating screen has a very wide range of applications,as animportant part of material processing machinery,with washing,de...