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| 1 | 黄河废弃三角洲叶瓣海岸侵蚀与岸线演化显示文摘A statistic analysis predicting coastal change of the Yellow River abandoned delta lobe formed from 1964 to 1976 using Landsat TM imagery was conducted by calculating the coastal erosion/accumulation rates obtained from four different classic profiles and plotting the change curves of coastline with time. The studies showed that the regularity of the evolution of the coastline was very obvious after the delta lobe was abandoned. The coastal evolution can be divided into three different phases: erosion phase, transition phase and cyclical change phase. At present, the coast has evolved to the cyclical change phase. The natural coastline change cycle is 4 years between the dam and is 5years to the west of the dam. In the cyclical change phase, the quasi-equilibrium line of the coast was located near the coastline of 1996, the current coast may recede 1.79 km to reach the natural equilibrium coastline. Therefore, some measures must be taken to protect the dam or the dam will be destroyed by the force of nature. The curves also revealed the magnitude of erosion/accumulation rates would decrease gradually with time. The results of the study offer guidance for coast protection, and proves that the evolution of silty coast actually was a cyclical change process too. | 李安龙 李广雪 曹立华 Zhang Qingde DENG Shenggui | 2004 | Journal of Geographical Sciences2004,14,4: | 5 |
| 2 | Arctic oscillation and the antarcic oscillation modes in the atmospheric stratosphere显示文摘On the basis of the EOF analysis of global geopotential height anomaly (GHA) field at 10 hPa level, the arctic oscillation (AO) and the means antarctic oscillation (AAO) can be detected more obviously at the upper level of atmosphere than the AO or the AAO in surface layer. Unlike the hemisphere pattern of the AO and the AAO in the surface lager given by previous authors, the AO or the AAO in the stratosphere has its global features. The zonal oscillations-the Southern Oscillation (SO) and the north oscillation (NO) in atmospheric surface layer become less clear in the upper air. The first mode (AO mode, abbreviated to AOM hereafter) and the second mode (AAO mode, abbreviated to AAOM hereafter) respectively have 41.47% and 27.04% of the total variance contribution. The cumulative variance contribution of the first two modes reaches 68.51%. These two modes are the main components for the interdecadal or decadal oscillation in the stratosphere. In addition, there still exist two kinds of oscillation patterns with less probability, namely, the symmetric pattern at mid-high latitudes in the Southern Hemisphere and the asymmetric pattern. Spectral analysis shows that the AOM and the AAOM all have a spectral peak for 22 a period, being consistent with the periodic variations of the solar magnetic field, and a peak for 11 a period, being consistent with the period of the numbers of sunspots. Step filter analysis shows that the influencing factor for the upper atmospheric oscillation is the solar activity. The fluctuation of the solar magnetic field is the more influencing factor than the variation of the sunspot number. | QU Weizheng HUANG Fei ZHAO Jinping YANG Liang HE Hui DENG Shenggui CAO Yong | 2005 | Acta Oceanologica Sinica2005,24,6: | 4 |
| 3 | Experimental and theoretical studies of the reaction between cationic vanadium oxide clusters and acetylene显示文摘The time of flight mass spectrometer coupled with a laser ablation/supersonic expansion cluster source and a fast flow reactor was adopted to study the reactivity of cationic vanadium oxide clusters(VmOn+) toward acetylene(C2H2) molecules under gas phase(P,~ 1.14 kPa),under near room temperature(T,~ 350 K) conditions.Association products,VmOnC2H2+(m,n = 2,4;2,6;3,7―8;4,9―11;5,12―13;6,13―16,and 7,17),are observed.The oxidation of C2H2 by(V2O5)+n(n = 1―3) is experimentally identified.The reactivity of(V2O5)+ n decreases as n increases.Density functional theory(DFT) calculations were carried out to interpret the reaction mechanisms.The DFT results indicate that a terminal oxygen atom from V2O5+ can transfer overall barrierlessly to C2H2 at room temperature,which is in agreement with the experimental observation.Other experimental results such as the observation of V2O6C2H+2 and non-observation of V2O7,8C2H+2 in the experiments are also well interpreted based on the DFT calculations.The reactivity of vanadium oxide clusters toward acetylene and other hydrocarbons may be considered in identifying molecular level mechanisms for related heterogeneous catalysis. | YIN Shi MA YanPing DU Lin HE ShengGui GE MaoFa | 2008 | Chinese Science Bulletin2008,53,24: | 3 |
| 4 | The adsorption of acidic gaseous pollutants on metal and nonmetallic surface studied by first-principles calculation: A review显示文摘The acidic gases such as SO2,NOx,H2 S and CO2 are typical harmful pollutants and greenhouse gases in the atmosphere,which are also the main sources of PM2.5.The most widely used method of treating these gas molecules is to capture them with different adsorption materials,i.e.,metal and nonmetallic materials such as MnO2,MoS2 and carbon-based materials.And doping transition metal atoms in adsorption materials are beneficial to the gas adsorption process.The first-principles calculation is a powerful tool for studying the adsorption properties of contaminant molecules on different materials at the molecular and atomic levels to understand surface adsorption reactions,adsorption reactivity,and structureactivity relationships which can provide theoretical guidance for laboratory researches and industrial applications.This review introduces the adsorption models and surface properties of these gas molecules on metal and nonmetallic surfaces by first-principles calculation in recent years.The purpose of this review is to provide the theoretical guidance for experimental research and industrial application,and to inspire scientists to benefit from first-principles calculation for applying similar methods in future work. | Xue Ye Shenggui Ma Xia Jiang Zhishan Yang Wenju Jiang Hualin Wang | 2019 | Chinese Chemical Letters2019,30,12: | 2 |
| 5 | A Fan type condition for heavy cycles in weighted graphs显示文摘 | Zhang Shenggui Broersma H J Li Xueliang | 2002 | Graphs Combin2002,18,: | 1 |
| 6 | Aσ3 type condition for heavy cycles in weighted graphs显示文摘 | Zhang Shenggui Broersma H J Li Xueliang | 2001 | Discuss Math Graph Theory2001,21,: | 1 |
| 7 | Yb^3+-doped double-clab fibre laser based on fibre bragg grating显示文摘 | Fan Wande Fu Shenggui Zhang Qiang | 2003 | Chin Phys Lett2003,20,: | 1 |
| 8 | A narrow linewidth Yb-doped fiber laser at 1120 nm显示文摘 | Liu Xiaojuan Fu Shenggui Guo Liping | 2013 | Applied Optics2013,52,9: | 1 |
| 9 | Heavy cycles in k-connected weighted graphs显示文摘 | Zhang Shenggui Chen Bing Yu Rongzu | 2004 | Electronic Notes in Discrete Mathematics2004,17,: | 1 |
| 10 | 3D-printed MoS_(2)/Ni electrodes with excellent electro-catalytic performance and long-term stability for dechlorination of florfenicol显示文摘Here,we report the production of 3D-printed MoS_(2)/Ni electrodes(3D-MoS_(2)/Ni)with longterm stability and excellent performance by the selective laser melting(SLM)technique.As a cathode,the obtained 3D-MoS_(2)/Ni could maintain a degradation rate above 94.0%for forfenicol(FLO)when repeatedly used 50 times in water.We also found that the removal rate of FLO by 3D-MoS_(2)/Ni was about 12 times higher than that of 3D-printed pure Ni(3D-Ni),attributed to the improved accessibility of H^(*).In addition,the electrochemical characterization results showed that the electrochemically active surface area of the 3D-MoS_(2)/Ni electrode is about 3-fold higher than that of the 3D-Ni electrode while the electrical resistance is 4 times lower.Based on tert-butanol suppression,electron paramagnetic resonance and triple quadrupole mass spectrometer experiments,a“dual path”mechanism and possible degradation pathway for the dechlorination of FLO by 3D-MoS_(2)/Ni were proposed.Furthermore,we also investigated the impacts of the cathode potential and the initial pH of the solution on the degradation of FLO.Overall,this study reveals that the SLM 3D printing technique is a promising approach for the rapid fabrication of high-stability metal electrodes,which could have broad application in the control of water contaminants in the environmental field. | Jianhui Xu Pengxu Wang Shenggui Chen Lei Li Dan Li Yunfei Zhang Qi Wu Jinhong Fan LumingMa | 2024 | Journal of Environmental Sciences2024,,3: | 1 |
| 11 | 中國(上海)自貿區爭端解決的管轄显示文摘2013年9月29日,上海自贸区正式挂牌成立。上海自贸区旨在探索建立投资准入前国民待遇和负面清单管理模式,深化行政审批制度改革,加快转变政府职能,全面提升事中、事後监管水平;扩大服务业开放、推进金融领域开放创新,建设具有国际水准的投资贸易便利、监管高效便捷、法制环境规范的自由贸易试验区,使之成为推进改革和提高开放型经济水平的'试验田',形成可复制、可推广的经验,发挥示范带动、服务全国的积极作用,促进各地区共同发展。 | 李志強 田孝明 Fu Yao Chen Shenggui | 2015 | 中国法律(中英文版)2015,0,2: | 1 |
| 12 | On the minimum real roots of the a-polynomials and chromatic uniqueness of graphs 显示文摘 | Zhao Haixing Li Xueliang Zhang Shenggui | 2004 | Discrete Math2004,281,: | 1 |
| 13 | Effects of seasonal succession and water pollution on the protozoan community structure in an eutrophic lake显示文摘 | Jiang Jiangao Wu Shenggui Shen Yunfen | 2007 | Chemosphere2007,66,: | 1 |
| 14 | An application of the Gr6bner basis in computation for the minimal polynomials and inverses of block circulant matrices显示文摘 | Shenggui Zhang Sanyang Liu | 2002 | Linear Algebra and its Applications2002,347,: | 1 |
| 15 | The role of cationic polyacrylamide in the reverse flotation of diasporic bauxite显示文摘 | Guangyi Liu Hong Zhong Yuehua Hu Shenggui Zhao Liuyin Xia | 2007 | Minerals Engineering2007,,: | 1 |
| 16 | Flotation separation of diaspore from kaolinite, pyrophyllite and illite using three cationic collectors显示文摘 | Hong Zhong Guangyi Liu Liuyin Xia Yiping Lu Yuehua Hu Shenggui Zhao Xinyang Yu | 2008 | Minerals Engineering2008,,: | 1 |
| 17 | On Polynomial Rings over a Ring with a Selfduality | Zhang Shenggui Department of Mathematics. Fujian Normal University. Fuzhou 350007. China | 1997 | Acta Mathematica Sinica,English Series1997,13,4: | 1 |
| 18 | Hemoglobin-biocatalysts synthesis of a conducting polyaniline 显示文摘 | Hu Xing Tang Kai Liu Shenggui | 2005 | Reactive and Functional Polymers2005,65,3: | 1 |
| 19 | Extreme values of the sum of squares of degrees of bipartite graphs显示文摘 | CHENG T C E GUO Yonglin ZHANG Shenggui | 2009 | Discrete Math2009,309,: | 1 |
| 20 | An effeient europium (Ⅲ)organic complex as red phosphor Applied in LED显示文摘 | Pei He Huihui Wang Shenggui Liu | 2009 | J Electrochem Soc2009,156,2: | 1 |