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基于高分辨质谱的土壤溶解性有机质化学多样性研究 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者:  李晓明
收藏  |  浏览/下载:24/0  |  提交时间:2020/07/15
土壤溶解性有机质, 化学多样性,微生物多样性, 傅立叶变换离子回旋 共振质谱  decreased WIth IncreasIng Iron ComplexIng Index. PAtterns In Molecular PrOfiles IndicAted Dom In Paddy Soils To Become More RecalcItrAnt At Higher Soil C/n rAtio And Higher Soil Ph. furTherMore, PlAnt-derived polyPh.nols And Pyrogenic Dom Were retaIned Favorably By Iron And The ChemodiversIty Of Dom In Paddy Soil Increased WIth IncreasIng Soil C/n rAtios. These Results Provide Novel InFormAtion regardIng Dom Characteristics At a Molecular Level And Will InForm Better Global MAnagement Of Soil Carbon In Paddy Soil EcosysteMs Global. 2) Through The applicAtion Of Ft-icr-Ms, The ChemodiversIty Of Dom In Soil Subjected To Long-term OrgAnic Carbon And InOrgAnic Fertilizer Amendments Was Established. In Parallel, Bcc Was Assessed. Through This Coupled Approach It Was Established.thAt sustaIned OrgAnic Carbon Amendment Resulted In: SignificAntly (p < 0.05) Increased Total Carbon And Total nItrogen Reservoirs In Soil, Dom PrOfiles Of greAter ChemodiversIty, And Emergence Of RecalcItrAnt Dom Moieties (H/c < 1.5). In Contrast, Carbon And nItrogen Reservoirs In Soil Subjected To sustaIned InOrgAnic Fertilizer applicAtion Were Unaltered, While Soil OrgAnic Carbon ChemodiversIty Was Observed To Shift To Less RecalcItrAnt Dom Moieties (H/c rAtio > 1.5 And O/c rAtios < 0.5). furTherMore, sustaIned OrgAnic Carbon Amendment Shaped Bcc To a eutroPh.c stAte While Long-term Chemical fertilizAtion Directed The Bcc Towards An oligotroPh.c stAte. Higher connectivIty And Network complexIty Were Observed In OrgAnic Carbon Amended Soils. Dom-Bcc Network Analysis, IndicAtIng thAt Soil Microbes Had More Interaction WIth Dom Molecules followIng sustaIned OrgAnic mAtter Input. These Results Highlight The Potential For OrgAnic Carbon Amendments To Not Only Build Soil Carbon sTocks And Increase Their Resilience, But To Also Improve The Functional stAte Of Soil Microbial communIties. Key Words: Dom, ChemodiversIty, Microbial diversIty, Ft-icr Ms  
东亚蔷薇属植物被西方认识、应用的历史研究(16世纪-19世纪中期) 学位论文
北京: 中国科学院大学, 2018
作者:  李菁博
收藏  |  浏览/下载:1/0  |  提交时间:2022/07/15
超高效液相色谱-串联质谱法检测谷物、油料和植物油中氨基甲酸酯类农药残留 期刊论文
农产品质量与安全, 2018, 卷号: 0, 期号: 05, 页码: 44-48+63
作者:  李凌云;  许晓敏;  林桓;  刘广洋;  黄晓冬
收藏  |  浏览/下载:23/0  |  提交时间:2019/03/14
固相果糖的太赫兹及红外特征吸收谱研究 期刊论文
光谱学与光谱分析, 2018, 卷号: 38, 期号: 9, 页码: 2700-2705
作者:  宋超;  丁玲;  范文慧
收藏  |  浏览/下载:18/0  |  提交时间:2018/10/23
Aerolysin 类孔道形成蛋白在线虫中生理功能研究 学位论文
北京: 中国科学院大学, 2018
作者:  赵明明
收藏  |  浏览/下载:13/0  |  提交时间:2020/12/15
异养植物天麻的基因组进化分析及相关数据库搭建 学位论文
北京: 中国科学院大学, 2018
作者:  王筱
收藏  |  浏览/下载:13/0  |  提交时间:2020/12/15
盲鳗等重要物种的进化基因组学研究 学位论文
北京: 中国科学院大学, 2018
作者:  任彦栋
收藏  |  浏览/下载:9/0  |  提交时间:2020/12/15
基于转录组的烟草属植物进化研究 学位论文
北京: 中国科学院大学, 2018
作者:  向志丹
收藏  |  浏览/下载:29/0  |  提交时间:2020/12/15
河流阻隔和气候变化对尼泊尔喜马拉雅地区同域分布的熊猴(Macaca assamensis)和哈努曼叶猴 (Semnopithecus entellus) 的系统地理学影响 学位论文
北京: 中国科学院大学, 2018
作者:  LAXMAN KHANAL
收藏  |  浏览/下载:13/0  |  提交时间:2020/12/15
利用基因组编辑技术创制水稻白叶枯病抗性材料 科技动态
2018
作者:  yaoxn@llas.ac.cn
收藏  |  浏览/下载:42/0  |  提交时间:2018/07/05


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