机构

• 地理科学与资源研究所 [2]
• 地质与地球物理研究所 [2]
• 西北高原生物研究所 [2]
• 中国科学院大学 [2]
• 生态环境研究中心 [2]
• 近代物理研究所 [2]
• 更多

采集方式

• OAI收割 [15]
• iSwitch采集 [3]

内容类型

• 期刊论文 [16]
• 学位论文 [2]

发表日期

• 2023 [1]
• 2022 [3]
• 2021 [1]
• 2019 [4]
• 2016 [3]
• 2013 [1]
• 更多

学科主题

• Environmen... [1]
• Water Reso... [1]
• 环境工程 [1]

筛选

浏览/检索结果: 共18条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Coupling geochemical and microbial molecular techniques to reveal catchment-scale nitrate yield and fluvial export dynamics 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2023, 卷号: 888, 页码: 10 作者:  Jiang, Hao;  Li, Shen;  Zhang, Wenshi;  Guo, Wenjing;  Tan, Xiang   |  收藏  |  浏览/下载：17/0  |  提交时间：2024/01/02 Nitrate  Catchment  Protocol  Isotope  15N pairing  Molecular technique   Effects of macrophytes and environmental factors on sediment denitrification in a subtropical reservoir 期刊论文  OAI收割 ENVIRONMENTAL POLLUTION, 2022, 卷号: 303, 页码: 9 作者:  Bu, Hongmei;  Fry, Brian;  Burford, Michele A.   |  收藏  |  浏览/下载：18/0  |  提交时间：2022/09/21 Denitrification rate  Seasonal variations  Environmental factors  Macrophyte beds  N-15 isotope pairing technique   Effects of macrophytes and environmental factors on sediment denitrification in a subtropical reservoir 期刊论文  OAI收割 ENVIRONMENTAL POLLUTION, 2022, 卷号: 303, 页码: 9 作者:  Bu, Hongmei;  Fry, Brian;  Burford, Michele A.   |  收藏  |  浏览/下载：25/0  |  提交时间：2022/09/21 Denitrification rate  Seasonal variations  Environmental factors  Macrophyte beds  N-15 isotope pairing technique   Progress, open questions and application prospects of analytical techniques for refractory elements and representative radioisotope systems 期刊论文  OAI收割 ACTA PETROLOGICA SINICA, 2022, 卷号: 38, 期号: 6, 页码: 1565-1576 作者:  Xu JiFeng;  Chu ZhuYin;  Li Jie;  Wang GuiQin;  Li Chao   |  收藏  |  浏览/下载：24/0  |  提交时间：2023/04/06 Refractory element  Radiogenic isotope  Analytical technique  Isotopic dating  Isotopic tracing   Optimal Water-Fertilizer Combinations for Efficient Nitrogen Fixation by Sugarcane at Different Stages of Growth 期刊论文  OAI收割 WATER, 2021, 卷号: 13, 期号: 20, 页码: - 作者:  Ma, Zhanxia;  Wu, Weixiong;  Alatalo, Juha M.;  Fu, Wuxiang;  Bai, Yang   |  收藏  |  浏览/下载：172/0  |  提交时间：2021/11/25 sugarcane  water-fertilization coupling  drip irrigation  spray irrigation  delta N-15 content  isotope technique   Integration of stable isotope labeling derivatization and magnetic dispersive solid phase extraction for measurement of neurosteroids by in vivo microdialysis and UHPLC-MS/MS 期刊论文  OAI收割 TALANTA, 2019, 卷号: 199, 页码: 97-106 作者:  Zhao, Xian-En;  Xu, Yanqiu;  Sun, Luping;  Wang, Xin;  Zhu, Shuyun   |  收藏  |  浏览/下载：72/0  |  提交时间：2019/06/20 Neurosteroids  Isotope-coded derivatization  Magnetic separation  Triple quadrupole mass spectrometry  In vivo microdialysis technique  Parkinson's disease   塔里木河干流胡杨林蒸散发水文分割及时空变化特征 学位论文  OAI收割 北京: 中国科学院大学, 2019 作者:  张瑞文   |  收藏  |  浏览/下载：130/0  |  提交时间：2021/12/10 稳定同位素技术  胡杨林蒸散发耗水  HYDRUS 模型  GLEAM 遥感数据  Evapotranspiration of populus euphratica  Isotope technique  HYDRUS-1D  GLEAM remote sensing model   Annual dynamics of soil gross nitrogen turnover and nitrous oxide emissions in an alpine shrub meadow 期刊论文  OAI收割 SOIL BIOLOGY & BIOCHEMISTRY, 2019, 卷号: 138 作者:  Hu, Xiaoxia;  Liu, Chunyan;  Zheng, Xunhua;  Dannenmann, Michael;  Butterbach-Bahl, Klaus   |  收藏  |  浏览/下载：72/0  |  提交时间：2019/11/26 Isotope pool dilution technique  Gross nitrogen turnover  Net nitrogen turnover  Nitrification  Freeze-thaw  The Qinghai-Tibet plateau   碳氮稳定同位素比值在潮间带大型底栖动物组织间差异性研究 期刊论文  OAI收割 海洋学报, 2019, 卷号: 41, 期号: 4, 页码: 74-82 作者:  李宝泉   |  收藏  |  浏览/下载：25/0  |  提交时间：2020/06/17 潮间带  大型底栖动物  碳氮稳定同位素  食源和营养级分析  采样部位选取  intertidal zone  macrobenthos  carbon and nitrogen stable isotopes  food sources and trophic levels study,sampling parts  The technique of stable isotope analysis has been widely applied for the field of food web studies in recent years.However,few researches concerned about the impacts of different tissues used for analysis on the food web building.With the purpose of accuracy and comparability in the food web studies,the sampling tissues should be standardized.In this study,10macrobenthic species from the intertidal zone of the Yellow River Delta and Yantai were chosen as the target object to test the isotopic characteristic variations ofdelta~(13)C anddelta15 N at different body parts (whole bodies,muscles and gills).Our results show thatdelta~(13)C anddelta15 N values vary in different sampling tissues for most species,which indicates the different tissues used for analysis impact the food web building.To achieve a more accuracy and comparability result,suitable tissue should be primarily chosen for their food sources and trophic levels analysis.Namely,when the organism as predator,their muscles should first be chosen,for examples,adductor and foot muscles of mollusks,leg muscles of crabs and back muscles of fishes  when the organism as prey, most of their tissues,except for indigestible part(for polychaetes,the digestive tract contents should be removed) should be chosen for analysis on food sources and trophic levels of the secondary consumer,for example,whole soft parts of mollusks,the mixture of muscles and gills of crabs.   Variations in the patterns of soil organic carbon mineralization and microbial communities in response to exogenous application of rice straw and calcium carbonate 期刊论文  iSwitch采集 Science of the total environment, 2016, 卷号: 571, 页码: 615-623 作者:  Feng, Shuzhen;  Huang, Yuan;  Ge, Yunhui;  Su, Yirong;  Xu, Xinwen 收藏  |  浏览/下载：83/0  |  提交时间：2019/05/09 Karst  Isotope tracing technique  Soil microbial communities  Priming effect  Soil organic carbon mineralization  Pcr-dgge