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目录 内容来自论文无忧网 www.paper51.com
摘要...............................................................3 内容来自论文无忧网 www.paper51.com
关键词.............................................................3 内容来自www.paper51.com 引言...............................................................3 paper51.com 1材料与方法........................................................4 paper51.com 1.1 烤烟样品........................................................4 paper51.com 1.2 试剂............................................................4 内容来自www.paper51.com 1.3主要仪器.........................................................4 paper51.com 1.4方法步骤.........................................................4 内容来自www.paper51.com 1.4.1 样品称量......................................................4 http://www.paper51.com 1.4.2 灰化..........................................................4 内容来自www.paper51.com 1.4.3 过滤..........................................................4 内容来自www.paper51.com
1.4.4 测定..........................................................5 copyright paper51.com 2 结果与分析........................................................5 内容来自论文无忧网 www.paper51.com 2.1 数据记录........................................................5 内容来自www.paper51.com 2.2结果计算........................................................6 内容来自www.paper51.com
3讨论与结论........................................................6 paper51.com 3.1含氯量较低原因分析..............................................6 http://www.paper51.com 3.3.1实验误差分析..................................................7 copyright paper51.com 3.3.1.1实验条件对测定结果的影响....................................7 内容来自www.paper51.com
3.3.1.2烟叶本身对实验的影响........................................7 http://www.paper51.com
3.3.2气候对烟叶含氯量的影响........................................7 paper51.com 3.3.3土壤对烟叶含氯量的影响........................................7 http://www.paper51.com 3.2含氯低对烤烟影响................................................8 http://www.paper51.com 3.2.1含氯量与光合作用..............................................8 paper51.com 3.2.2含氯量与酶代谢................................................8 paper51.com
3.2.3含氯量与离子效应..............................................8 paper51.com 参考文献 ..........................................................9 内容来自论文无忧网 www.paper51.com 英文题目 英文摘要和英文关键词......................................10 paper51.com
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