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浏览/检索结果: 共17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作者升序作者降序题名升序题名降序发表日期升序发表日期降序 Hydrological seasonality largely contributes to riverine dissolved organic matter chemical composition: Insights from EEM-PARAFAC and optical indicators 期刊论文  OAI收割 JOURNAL OF HYDROLOGY, 2021, 卷号: 595, 页码: 9 作者:  Ma, Yongmei;  Mao, Rong;  Li, Siyue   |  收藏  |  浏览/下载：90/0  |  提交时间：2021/08/20 Dissolved organic matter (DOM)  Excitation-emission matrix (EEM) fluorescence spectroscopy  Temporal and spatial variation  Parallel factor analysis (PARAFAC)  Yangtze (Changjiang)   Effects of natural vegetation restoration on dissolved organic matter (DOM) biodegradability and its temperature sensitivity 期刊论文  OAI收割 WATER RESEARCH, 2021, 卷号: 191, 页码: 12 作者:  Liu, Hongfei;  Xu, Hongwei;  Wu, Yang;  Ai, Zemin;  Zhang, Jiaoyang   |  收藏  |  浏览/下载：60/0  |  提交时间：2021/04/25 Temperature sensitivity  DOM biodegradation  Dissolved organic carbon  Dissolved organic nitrogen  Three-dimensional excitation-emission matrix (EEM) fluorescence spectroscopy  Secondary vegetation succession   Insights into solubility of soil humic substances and their fluorescence characterisation in three characteristic soils 期刊论文  OAI收割 SCIENCE OF THE TOTAL ENVIRONMENT, 2020, 卷号: 720, 页码: 14 作者:  Mohinuzzaman, M.;  Yuan, Jie   |  收藏  |  浏览/下载：47/0  |  提交时间：2020/05/18 Solubility  Humic substances  Humic acid-like  Fulvic acid-like  Protein-like fluorophores  Dissolved organic carbon  Nutrients Fluorescence (excitation-emission matrix EEM) spectroscopy  PARAFAC modeling   Application of parallel factor analysis model to decompose excitation-emission matrix fluorescence spectra for characterizing sources of water-soluble brown carbon in PM2.5 期刊论文  OAI收割 ATMOSPHERIC ENVIRONMENT, 2020, 卷号: 223, 页码: 10 作者:  Wang, Huanbo;  Zhang, Leiming;  Huo, Tingting;  Wang, Bin;  Yang, Fumo   |  收藏  |  浏览/下载：37/0  |  提交时间：2020/08/24 Water-soluble brown carbon  PM2.5  Excitation-emission matrix fluorescence spectroscopy  PARAFAC model   Weighted partial least squares based on the error and variance of the recovery rate in calibration set 期刊论文  OAI收割 SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2017, 卷号: 183, 期号: 无, 页码: 138-143 作者:  Yu, Shaohui;  Xiao, Xue;  Ding, Hong;  Xu, Ge;  Li, Haixia 收藏  |  浏览/下载：34/0  |  提交时间：2018/05/25 Leave-one-out Cross-validation  Partial Least Squares  Gauss Weight  Excitation-emission Fluorescence Spectroscopy   Influence of filtration velocity on DON variation in BAF for micropolluted surface water treatment 期刊论文  OAI收割 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2016, 卷号: 23, 期号: 23, 页码: 23415-23421 作者:  Ma, Teng-Fei;  Chen, You-Peng;  Kang, Jia;  Gao, Xu;  Guo, Jin-Song   |  收藏  |  浏览/下载：189/0  |  提交时间：2018/03/15 Dissolved organic nitrogen  Micropolluted surface water  Biological aerated filter  Filtration velocity  3D excitation-emission matrix fluorescence spectroscopy  Fluorescence regional integration technique   The Fluorescence Characteristics of Dissolved Organic Matter (DOM) in the Seagrass Ecosystem from Hainan by Fluorescence Excitation-Emission Matrix Spectroscopy 期刊论文  OAI收割 SPECTROSCOPY AND SPECTRAL ANALYSIS, 2015, 卷号: 35, 期号: 1, 页码: 141-145 作者:  Cheng Yuan-yue;  Wang Shuai-long;  Hu Shui-bo;  Zhou Chen-yuan;  Shi Zhen 收藏  |  浏览/下载：63/0  |  提交时间：2016/10/31 Dissolved organic matter  Fluorescence excitation-emission matrix spectroscopy (EEMs)  Seagrass  Hainan   Comparison of scanning tunneling microscope-light emission and photoluminescence from porphyrin films using ultra-high vacuum scanning tunneling microscopy 期刊论文  OAI收割 APPLIED PHYSICS LETTERS, 2012, 卷号: 100, 期号: 5 Nishitani, R; Liu, HW; Iwasaki, H 收藏  |  浏览/下载：20/0  |  提交时间：2013/09/17 MOLECULAR FLUORESCENCE  PHOTON-EMISSION  SPECTROSCOPY  EXCITATION   Fermentation of Chlorella sp for anaerobic bio-hydrogen production: Influences of inoculum-substrate ratio, volatile fatty acids and NADH 期刊论文  OAI收割 BIORESOURCE TECHNOLOGY, 2011, 卷号: 102, 期号: 22, 页码: 10480-10485 作者:  Sun, Jingxian;  Yuan, Xianzheng;  Shi, Xiaoshuang;  Chu, Chunfeng;  Guo, Rongbo 收藏  |  浏览/下载：34/0  |  提交时间：2015/11/04 Hydrogen  Inoculum-substrate ratio  NADH  Three-dimensional excitation-emission matrix fluorescence spectroscopy   Energy transfer in Y3Al5O12:Ce 3, Pr3+ and CaMoO4:Sm3, Eu 3 phosphors (EI CONFERENCE) 会议论文  OAI收割 作者:  Wang L.;  Wang X.-J.;  Zhang X.;  Zhang X.;  Zhang X. 收藏  |  浏览/下载：45/0  |  提交时间：2013/03/25 Non-radiative energy transfers (ET) from Ce3 to Pr3+ in Y3Al5O12:Ce3  Pr3+ and from Sm3 to Eu3 in CaMoO4:Sm3  Eu3 are studied based on photoluminescence spectroscopy and fluorescence decay patterns. The result indicates an electric dipoledipole interaction that governs ET in the LED phosphors. For Ce3 concentration of 0.01 in YAG:Ce3  Pr3+  the rate constant and critical distance are evaluated to be 4.510-36 cm 6 s-1 and 0.81 nm  respectively. An increase in the red emission line of Pr3+ relative to the yellow emission band of Ce 3  on increasing Ce3 concentration is observed. This behavior is attributed to the increase of spectral overlap integrals between Ce3 emission and Pr3+ excitation due to the fact that the yellow band shifts to the red spectral side with increasing Ce3 concentration. In CaMoO4:Sm3  Eu3  Sm 3Eu3 transfer occurs from 4G5/2 of Sm3 to 5D0 of Eu3. The rate constant of 8.510-40 cm6 s-1 and the critical transfer distance of 0.89 nm are evaluated. 2010 Elsevier B.V. All rights reserved.