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周期势增强随机共振机械故障特征提取方法 期刊论文
测控技术, 2018, 卷号: 37, 期号: 2018年12期, 页码: 89-93
作者:  胡世军;  刘超
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/13
基于GHM多小波的股票收益率的多尺度分析 期刊论文
宿州学院学报, 2018, 期号: 2018年12期, 页码: 112-115
作者:  周小辉;  黄翠
收藏  |  浏览/下载:6/0  |  提交时间:2019/09/18
基于力-化-电耦合理论的电极结构有限元模拟及结构优化 学位论文
北京: 中国科学院大学, 2018
作者:  温济慈
收藏  |  浏览/下载:190/0  |  提交时间:2018/12/06
基于深度学习的场景文本检测方法研究 学位论文
北京: 中国科学院大学, 2018
作者:  何文浩
收藏  |  浏览/下载:151/0  |  提交时间:2018/12/19
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  
亲液微柱阵列表面的接触线对称性与润湿动力学研究 学位论文
北京: 中国科学院大学, 2018
作者:  陈恩惠
收藏  |  浏览/下载:69/0  |  提交时间:2018/12/08
基于纳米银导电墨水的无源电路喷印工艺研究 学位论文
沈阳: 中国科学院沈阳自动化研究所, 2018
作者:  程晓鼎
收藏  |  浏览/下载:48/0  |  提交时间:2018/12/16
面向机器人航天员的三维目标识别定位方法研究 学位论文
沈阳: 中国科学院沈阳自动化研究所, 2018
作者:  潘旺
收藏  |  浏览/下载:69/0  |  提交时间:2018/12/16
基于应变梯度理论的复合材料跨尺度力学模型 会议论文
中国黑龙江哈尔滨, 2018年11月23日至25日
作者:  马寒松
收藏  |  浏览/下载:28/0  |  提交时间:2019/11/21
遥感技术在鸟类生态学研究中的应用 期刊论文
生物多样性, 2018, 卷号: 26, 期号: 08, 页码: 862-877
作者:  李金亚;  雷倩;  马克明
收藏  |  浏览/下载:25/0  |  提交时间:2019/03/14


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