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浏览/检索结果: 共1119条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序题名升序题名降序作者升序作者降序发表日期升序发表日期降序 Soil organic nitrogen variation shaped by diverse agroecosystems in a typical karst area: evidence from isotopic geochemistry 期刊论文  OAI收割 PEERJ, 2024, 卷号: 12, 页码: 20 作者:  Han, Ruiyin;  Zhang, Qian;  Xu, Zhifang   |  收藏  |  浏览/下载：2/0  |  提交时间：2024/05/28 delta(15)N-SON  Nitrogen cycling  Land management  Agricultural disturbance  Karst area   Increase in Agricultural-Derived NH x and Decrease in Coal Combustion-Derived NO x Result in Atmospheric Particulate N-NH4 + Surpassing N-NO3 - in the South China Sea 期刊论文  OAI收割 ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2024, 卷号: 58, 期号: 15, 页码: 6682-6692 作者:  Zhang, Zheng-En;  Li, Jun;  Zhang, Ruijie;  Tian, Chongguo;  Sun, Zeyu   |  收藏  |  浏览/下载：1/0  |  提交时间：2024/05/07 oceanic nitrogen deposition  marine aerosol  nitrogen/oxygen isotope  sourceapportionment  south China sea   Paleoenvironmental changes of Cuona Lake on the central Tibetan Plateau over the last 13 kyrs based on organic geochemical proxies 期刊论文  OAI收割 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2024, 卷号: 638, 页码: 12 作者:  Ma, Ruifang;  Jin, Chuanfang;  Kang, Shichang;  Li, Shijie;  Chen, Wei   |  收藏  |  浏览/下载：2/0  |  提交时间：2024/05/15 N-Alkanes  Hydrogen isotopes  delta C-13(org)  TOC/TN ratio  Westerlies  Central Tibetan Plateau   Experimental archaeological study in China: implications for reconstruction of past manuring and dietary practices indicated by δ15N values of Setaria italica and Panicum miliaceum 期刊论文  OAI收割 HERITAGE SCIENCE, 2024, 卷号: 12, 期号: 1, 页码: 16 作者:  Ouyang, Huiyong;  Shang, Xue;  Hu, Yaowu;  Feng, Zhizhen;  Liu, Junchi   |  收藏  |  浏览/下载：9/0  |  提交时间：2024/03/27 Millet agriculture  Nitrogen stable isotopes  Animal manure  Palaeodiet  Archaeology   Topography-driven differences in soil N transformation constrain N availability in karst ecosystems 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2024, 卷号: 908, 页码: 14 作者:  Wen, Dongni;  Yang, Lin;  Ni, Kang;  Xu, Xingliang;  Yu, Longfei   |  收藏  |  浏览/下载：10/0  |  提交时间：2023/12/22 Karst region  Topographic gradient  Nitrogen availability  Soil microbes  Gross N transformation rates   Significant Differences in Coral Trophic Status Between Nearshore and Offshore Reefs Recorded by δ15N of Coral Symbiotic Zooxanthellae and Host Tissue in the South China Sea in the SCS 期刊论文  OAI收割 JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 2024, 卷号: 129, 期号: 1, 页码: 15 作者:  Xu, Shendong;  Mo, Hongyan;  Men, Zheng;  Yu, Kefu;  Zhang, Zhinan   |  收藏  |  浏览/下载：5/0  |  提交时间：2024/02/23 coral  energy maintenance  trophic status  stable nitrogen isotope  nearshore and offshore reefs  the South China Sea   Partial substitution of chemical fertilizer by green manure increases succeeding maize yield and annual economic benefit in low-yield cropland in the Yellow River Delta 期刊论文  OAI收割 SOIL USE AND MANAGEMENT, 2024, 卷号: 40, 期号: 1, 页码: 15 作者:  Dong, Shide;  Gai, Guowei;  Shi, Yiming;  Zhang, Haibo;  Ma, Qian   |  收藏  |  浏览/下载：0/0  |  提交时间：2024/05/07 economic benefits  green manure  maize yield  soil nutrients  Yellow River Delta   Isotopic comparison of ammonium between two summertime field campaigns in 2013 and 2021 at a background site of North China 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2023, 卷号: 905, 页码: 7 作者:  Zong, Zheng;  Ren, Chuanhua;  Shi, Xiaolan;  Sun, Zeyu;  Huang, Xin   |  收藏  |  浏览/下载：1/0  |  提交时间：2024/05/07 Ammonia  Non-agricultural sources  delta N-15  Ammonium  North China   Nitrogen and oxygen isotopic profiles and redox structure across the Chinese Altay reveal the source rocks of granites, core of the Central Asian Orogenic Belt 期刊论文  OAI收割 LITHOS, 2023, 卷号: 462, 页码: 18 作者:  Liu, Wei;  Feng, Lianjun;  Liu, Xiujin;  Li, Tiejun;  Li, Hongwei   |  收藏  |  浏览/下载：8/0  |  提交时间：2024/01/02 N-O isotopes  Redox environment  Underlying series  Overlying series  Source rock tracing  Chinese Altay granite   Sources and hydrogeochemical processes of groundwater under multiple water source recharge condition 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2023, 卷号: 903, 页码: 14 作者:  Gao, Heng;  Yang, Lihu;  Song, Xianfang;  Guo, Minli;  Li, Binghua   |  收藏  |  浏览/下载：16/0  |  提交时间：2024/03/10 Multiple water sources recharge  Groundwater  Hydrogeochemical process  MixSIAR  Water and nitrate stable isotopes