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浏览/检索结果: 共24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 Quantitative Decomposition of Influencing Factors to Aerosol pH Variation over the Coasts of the South China Sea, East China Sea, and Bohai Sea 期刊论文  OAI收割 ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, 2022 作者:  Wang, Guochen;  Tao, Ye;  Chen, Jia;  Liu, Chengfeng;  Qin, Xiaofei   |  收藏  |  浏览/下载：55/0  |  提交时间：2022/12/22 aerosol acidity  driving factors  NHx phase-partitioning equilibrium  aerosol pH variation  nonvolatile cations  eastern coastal China   Effects of cross rolling on multiple twinning and martensitic transformation in an austenitic steel 期刊论文  OAI收割 MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2021, 卷号: 822, 页码: 9 作者:  Jiang, Y.;  Zhou, X.;  Li, X. Y.   |  收藏  |  浏览/下载：72/0  |  提交时间：2021/11/22 Rolling  Phase transformation  Twinning  Stainless steel  Schmid factors   Effects of cross rolling on multiple twinning and martensitic transformation in an austenitic steel 期刊论文  OAI收割 MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2021, 卷号: 822, 页码: 9 作者:  Jiang, Y.;  Zhou, X.;  Li, X. Y.   |  收藏  |  浏览/下载：66/0  |  提交时间：2021/11/22 Rolling  Phase transformation  Twinning  Stainless steel  Schmid factors   近海环境中抗生素分析样品前处理技术的研究进展 期刊论文  OAI收割 色谱, 2020, 卷号: 38, 期号: 1, 页码: 95-103 作者:  吕敏;  陈令新   |  收藏  |  浏览/下载：110/0  |  提交时间：2020/07/08 抗生素  近海  前处理技术  综述  antibiotics  coastal  pretreatment techniques  review  The widespread and massive usage of antibiotics for the prevention and treatment of diseases in human and animals have resulted in their continuous discharge into the environment, and finally, into the coastal environment through various pathways. Accumulation of antibiotics in aquatic organisms poses a great threat to ecological and human health, especially because it facilitates the generation and spread of bacterial resistance. Given the diverse range of antibiotics with various features, as well as their presence at low concentrations in the environment, it is imperative to develop pretreatment techniques for antibiotics in various matrices. In this paper, the pretreatment methods proposed in recent decades for antibiotics in coastal water, sediment, and biota are summarized, with emphasis on commonly used methods such as solid-phase extraction, solid-liquid extraction, matrix solid-phase dispersion, and QuEChERS. Additionally, the potential factors influencing the extraction performance and clean-up efficiency are analyzed. The advantages and disadvantages of the methods and their development are finally discussed.   Design of a beam phase cavity and a waveguide coupled eccentric circle structure prebuncher in S-band 期刊论文  OAI收割 HIGH POWER LASER AND PARTICLE BEAMS, 2015, 卷号: 27, 期号: 7, 页码: 75102 作者:  He X(贺祥);  Hou M(侯汨);  Zhao FL(赵风利);  Pei SL(裴士伦);  He 收藏  |  浏览/下载：31/0  |  提交时间：2016/04/18 Beam phase  Coupling coefficient  Prebuncher  Real time measurements  S-band  Symmetrical structure  Unloaded quality factors  Waveguide coupling   Assessment of mobilities of the B2Phase in the nickel-chromium-aluminum system 会议论文  OAI收割 12th IUMRS International Conference on Advanced Materials, IUMRS-ICAM 2013, Qingdao, China, September 22, 2013 - September 28, 2013 作者:  Zhang HY;  Tian JS;  Liang LH(梁立红);  Wei H;  Zheng Q 收藏  |  浏览/下载：29/0  |  提交时间：2017/05/27 B2 phase  Degree of order  Diffusion experiments  Mobility parameters  Thermodynamic data  Thermodynamic factors  Thermodynamic model   Henry's Law constant for phosphine in seawater:determination and assessment of influencing factors CNKI期刊论文  OAI收割 2013 作者:  Fu M(付梅);  Yu ZM(俞志明);  Lu GY(卢光远);  Song XX(宋秀贤)   |  收藏  |  浏览/下载：1/0  |  提交时间：2024/12/18 phosphine  Henry’s Law constant  seawater  influencing factors  multiple phase equilibration   Henry's law constant for phosphine in seawater: determination and assessment of influencing factors 期刊论文  OAI收割 CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY, 2013, 卷号: 31, 期号: 4, 页码: 860-866 作者:  Fu Mei;  Yu Zhiming;  Lu Guangyuan;  Song Xiuxian;  Song, XX 收藏  |  浏览/下载：34/0  |  提交时间：2014/07/17 phosphine  Henry's Law constant  seawater  influencing factors  multiple phase equilibration   Study of J/psi -> p(p)over-bar and J/psi -> n(n)over-bar 期刊论文  OAI收割 PHYSICAL REVIEW D, 2012, 卷号: 86, 期号: 3 作者:  BESIII Callaboration 收藏  |  浏览/下载：23/0  |  提交时间：2015/12/02 ELECTROMAGNETIC FORM-FACTORS  TIME-LIKE REGION  QCD SUM-RULES  NUCLEON  DECAYS  BARYON  AMPLITUDES  PHASE   Data processing method of multi-position strap-down north seeking system based on SVD (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Mechatronic Science, Electric Engineering and Computer, MEC 2011, August 19, 2011 - August 22, 2011, Jilin, China Shen C.-W.; Liu C.; Yu S.-B.; Wang Z.-Q.; Li J.-R. 收藏  |  浏览/下载：36/0  |  提交时间：2013/03/25 With the aim to fit the sin wave curve of a multi-position strap-down north seeking system and to calculate the real north angle accurately  the principles of the system and the algorithm of singular value decomposition(SVD) are introduced. The factors influencing the measuring precision are also analyzed. Then  the algorithm is adopted to fit curves. Experimental results indicate that the singular value decomposition is very precise  for its error sum is 1.1102V  and the squared error is 2.8mV. Moreover  for phase angle measurement  measured six times in same direction  the squared error is 24 (1). The method based on SVD can satisfy the system precision requirements of curve-fitting north seeking systems. 2011 IEEE.