吉林大学硕士学位论文前言拮抗剂和PTKs的抑制剂，具有抗疟活性、抗菌活性及潜在的抗癌活性等。目前报道吡啶并苯并硫（氧）氮七元环化合物及苯并萘啶类化合物的合成方法不多，主要有付-克关环法...

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32.1单因素试验………1832.2正交优化试验………203.2.3验证试验……214结论……22谢辞…………23参考文献………24

AbstractIn the era of low-carbon economy,enterprises,as part of the organizational structureof modern society,are facing unprecedented impact.In order to better develop thelow-carb...

目录1材料和方法.......1.1材料..1.3工艺流程.21.3.1红枣枸杞复合型保健果冻的工艺流程..21.4操作要点....·21.4.1红枣汁的制备....21.4.2枸杞汁的制备...21.4.3白砂糖的预处理......31.4.4果冻...

“营改增和增值税持续深入推进，增值税税收优惠对制造业产生的冲击是有意义的，并对其税收优惠的效果进行了剖析。二文献综述基于增值税改革的福利效应视角，有学者从喀麦隆出发，探讨了实行增值...

金属有机框架(MOFs)电极材料的研究进展阿迪莱·艾木杜拉20161422382016级化学师范指导老师：贵大勇【摘要】：有机金属框架(MOFs)是一层新型的，高度多孔的材料，科学家对这种表面积较大的材料给...

AbstractUnder the guidance of the continuous development of science and technology and the scientific outlook on development,the industrial structure of Hangzhou has changed from t...

Abstract硕士论文AbstractIn recent years,microorganisms extracellular polysaccharide,as a kind of newfermentation products,because of its unique physical and chemical properties,suc...

AbstractAntler plate is the bone part left after the antler of sika deer or red deer was sawed off.Itwill fall off naturally when the antler grows out in the next spring.Because of...