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一枝蒿几种倍半萜生物碱的全合成研究 学位论文
中国科学院新疆理化技术研究所: 中国科学院大学, 2018
作者:  阿卜杜拉·玉苏普
收藏  |  浏览/下载：22/0  |  提交时间：2018/12/18
疼痛调节注意的神经机制：基于ERPs 的研究 学位论文
中国科学院心理研究所: 中国科学院大学, 2018
作者:  范璐
收藏  |  浏览/下载：52/0  |  提交时间：2019/03/22
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：25/0  |  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  
基于电流信号特征分析的异步电机轴承故障诊断方法研究 学位论文
沈阳: 中国科学院沈阳自动化研究所, 2018
作者:  宋向金
收藏  |  浏览/下载：624/0  |  提交时间：2018/12/16
纯Ni母材及焊缝在熔融Na_2SO_4-K_2SO_4中热腐蚀研究 期刊论文
中国腐蚀与防护学报, 2018, 卷号: 38, 期号: 2018年05期, 页码: 495-501
作者:  王希靖;  王博士;  杨超;  杨艳;  沈斌
收藏  |  浏览/下载：1/0  |  提交时间：2019/11/13
水中挥发性有机污染物在线检测技术进展 期刊论文
环境研究与监测, 2018, 期号: 2018年03期, 页码: 30-36
作者:  姚锟;  管鹏;  方军
收藏  |  浏览/下载：20/0  |  提交时间：2019/11/13
面向特征识别的SAR与可见光图像融合算法研究 期刊论文
合肥工业大学学报(自然科学版), 2018, 卷号: 41, 期号: 07, 页码: 900-907
作者:  周顺杰;  杨学志;  董张玉;  孟俊敏
收藏  |  浏览/下载：6/0  |  提交时间：2019/01/07
基于特征融合的静态手势识别 期刊论文
计算机与数字工程, 2018, 期号: 2018年07期, 页码: 1336-1340
作者:  缑新科;  王瑶
收藏  |  浏览/下载：10/0  |  提交时间：2019/11/13
手势识别  HOG  PCA  LBP  SVM  

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