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| 1 | Dust storms and loess accumulation on the Tibetan Plateau: A case study of dust event on 4 March 2003 in Lhasa显示文摘Whether the Tibetan Plateau is a significant dust source area is of great importance, because this is re-lated to the understanding of sources, accumulation and environmental effects of dusts on the Tibetan Plateau and in the Far East-Pacific Ocean regions as well as to the evolution of coupling of the Tibetan Plateau and atmosphere-ocean- continent exchange. Synoptic dynamics and remote sensing tracing of a dust storm on 3 to 5 March, 2003 in Lhasa on South Tibet demonstrate that the Tibetan Plateau possesses all factors and conditions of generating dust storms. Accom-panied with this dust storm is a strong ascending stream on the Plateau which has raised various sizes of dust particles into different levels. The lifted coarse particles were largely fallen down and accumulated as loess on the eastern Tibetan Plateau, and the fine particles were translated by the west-erly jet and subsided in the northern Pacific Ocean. The spa-tial-temporal distribution of dust-storms between years 1961 and 2000 on the Plateau shows that dust-storms mainly occur in winter and early spring with high frequency, and the path of dust storm moves gradually from south to north, which is closely coupled with the northward moving of the westerly jet from winter to spring over the Tibetan Plateau. Com-pared with other twelve dust source areas in China, the Ti-betan Plateau is one of the key dust source areas for the long-distance transport because its high occurring frequency and elevation cause fine particles easily to be lifted into the zone of the westerly jet. | FANG Xiaomin HAN Yongxiang MA Jinghui SONG Lianchun YANG Shengli ZHANG Xiaoye | 2004 | Chinese Science Bulletin2004,49,9: | 25 |
| 2 | Methanation of syngas over coral reef-like Ni/Al_2O_3 catalysts显示文摘Coral reef-like Ni/Al2O3 catalysts were prepared by co-precipitation of nickel acetate and aluminium nitrate with sodium carbonate aqueous solution in the medium of ethylene glycolye.Methanation of syngas was carried out over coral reef-like Ni/Al2O3 catalysts in a continuous flow type fixed-bed reactor.The structure and properties of the fresh and used catalysts were studied by SEM,N2 adsorption-desorption,XRD,H2-TPR,O2-TPO,TG and ICP-AES techniques.The results showed that the coral reef-like Ni/Al2O3 catalysts exhibited better activity than the conventional Ni/Al2O3-H2O catalysts.The activities of coral reef-like catalysts were in the order of Ni/Al2O3-673>Ni/Al2O3-573>Ni/Al2O3- 473>Ni/Al2O3-773.Ni/Al2O3-673-EG catalyst showed not only good activity and improved stability but also superior resistance to carbon deposition,sintering,and Ni loss.Under the reaction conditions of CO/H2(molar ratio)=1:3,593 K,atmospheric pressure and a GHSV of 2500 h-1,CH4 selectivity was 84.7%,and the CO conversion reached 98.2%. | Shengli Ma Yisheng Tan Yizhuo Han | 2011 | Journal of Natural Gas Chemistry2011,20,4: | 23 |
| 3 | Millennial-scale climate change since the last glaciation recorded by grain sizes of loess deposits on the northeastern Tibetan Plateau显示文摘Whether climatic changes in high latitudes of the Northern Hemisphere since the last glaciation have effects on the Tibetan Plateau monsoon, and the variation characteristics of the Plateau monsoon itself are still not solved but of great significance. The 22-m high-resolution Ioess-paleosol sequence in the Hezuo Basin on the northeastern Tibetan Plateau demonstrates that the Plateau winter monsoon experienced a millennial variation similar to high latitude Northern Hemisphere, with cold events clearly correlated with Heinrich events but less for the warm events (Dansgarrd-Oeschger events). It may indicate that the climate system at high latitudes in the Northern Hemisphere had played an important role in both the Plateau monsoon and the high-level westerlies. On 10^4 year scale, there are two distinct anomalous changes, which are not found in the records from high latitude northern hemisphere, revealed by the loess grain size in the Hezuo Basin. One is that there was a considerable grain size increase at -36 kaBP, suggesting an abrupt enhancement of the Plateau winter monsoon at that time; the other is that, during 43--36 kaBP, the grain size decreased distinctly, indicating a notable weakening of the Plateau winter monsoon around that period. Both of the two anomalies suggest that the Tibetan climate may have been controlled by some other factors, besides the high latitude climatic changes in the Northern Hemisphere. | Lü Lianqing FANG Xiaomin LU Huayu HAN Yongxiang YANG Shengli LI Jijun AN Zhisheng | 2004 | Chinese Science Bulletin2004,49,11: | 13 |
| 4 | Numerical simulation and application of three-dimensional oil resources migration-accumulation of fluid dynamics in porous media显示文摘Numerical simulation of oil migration and accumulation is to describe the history of oil migration and accumulation in basin evolution. It is of great value in evaluation of oil resources and determination of the location and amount of oil deposits. Based on such actual conditions as the effects of fluid mechanics in porous media and 3-dimensional geology characteristics,a kind of modified method of second order upwind finite difference fractional steps implicit interactive scheme was put forward. As for the actual problem of Dongying hollow,Huimin hollow,Tanhai region and Yangxin hollow in Shengli Petroleum Oil Field,a numerical simulation test was carried out,and the result is basically coincident with the actual conditions. For the model problem,optimal order estimates were derived. Thus the well-known problem on oil resources was solved. | YUAN YiRang1 & HAN YuJi2 1 Institute of Mathematics,Shandong University,Ji’nan 250100,China 2 Physical Exploration Institute of Shengli Petroleum Administration,Dongying 257022,China | 2008 | Science China(Physics,Mechanics & Astronomy)2008,51,8: | 10 |
| 5 | Dust storm in Asia continent and its bio-environmental effects in the North Pacific: A case study of the strongest dust event in April, 2001 in central Asia显示文摘Testing the effects of iron fertilization in booming metabolism of microbes in North Pacific Ocean has become an important hot topic in current global climate change study. The first supportive evidence with natural iron inputs to ocean was ob-tained by Bishop and his colleagues at the PAPA re-gion in North Pacific Ocean. They found a rapid in-crease of marine phytoplankton over North Pacific Ocean after a strong dust storm in April 2001. We demonstrate that the dust deposition flux during this dust storm period decreases exponentially with in-creasing distance from the dust source regions along the dust transport pathway, through integration of synoptic dynamics, changes of TOMS-AI (aerosol index) and surface PM10 values along the dust pathway and changes of particulate organic carbon and chlorophyll in surface oceans. This strong dust storm may result in deposition of about 3.1—5.8 μg/m3 eolian iron into the PAPA region in North Pa-cific Ocean, thus causing a rapid increase of marine phytoplankton productivity observed by Bishop and his colleagues. This work supplies more direct and detailed evidence, from continental dust process, to support the iron hypothesis with natural iron inputs to the surface oceans through dust storms. | HAN Yongxiang FANG Xiaomin XI Xiaoxia SONG Lianchun YANG Shengli | 2006 | Chinese Science Bulletin2006,51,6: | 8 |
| 6 | Ce and Er Co-doped TiO2 for rapid bacteria- killing using visible light显示文摘Bacterial infection and related diseases are threatening the health of human beings.Photocatalytic disinfection as a simple and low-cost disinfection strategy is attracting more and more attention.In this work,TiO2 nanoparticles(NPs)were modified by co-doping of Ce and Er using the sol-gel method,which endowed TiO2 NPs with enhanced visible light photocatalytic performance but not pure ultraviolet photocatalytic properties compared the untreated TiO2.Our results disclosed that as the doping content of Er increased,the photocatalytic activity of modified TiO2 NPs initially increased and subsequently decreased.The same trend occurred for Ce doping.When the doping dose of Er and Ce is 0.5 mol%and 0.2 mol%,the 0.5Ce0.2Ti-O calcined at 800℃ presented the best antibacterial properties,with the antibacterial efficiency of 91.23%and 92.8%for Staphylococcus aureus and Escherichia coli,respectively.The existence of Er ions is thought to successfully turn the near-infrared radiation into visible region,which is easier to be absorbed by TiO2 NPs.Meanwhile,the addition of Ce ions can effectively extend spectral response range and inhibit the recombination of electrons and holes,enhancing the photocatalytic disinfection activity of co-doped TiO2. | Yawei Ren Yajing Han Zhaoyang Li Xiangmei Liu Shengli Zhu Yanqin Liang Kelvin Wai Kwok Yeung Shuilin Wu | 2020 | Bioactive Materials2020,5,2: | 7 |
| 7 | Distribution characteristics of terrestrial heat flow density in Jiyang depression of Shengli Oilfield, East China显示文摘Based on the geo-temperature data of 13 systematically continuous temperature log curves and 700 testing oil boreholes in Jiyang depression, Shengli Oilfield, and the measured thermal conductivities of 47 rock samples, the terrestrial heat flow densities of 114 boreholes of Jiyang depression and its surrounding areas are determined, including 13 of those data derived from systemically continuous temperature logging. The results show that Jiyang depression has a relatively high background heat flow with an average value (65.8 5.4) mW/m2. The lateral variation of heat flow in basin has negative correlation with basement depth. Moreover, heat flow of uplift areas with shallower basement is high, so are those of regions with volcanic rocks, and those of depression areas with deep basement are relatively low. The heat flow densities of different structural units of Jiyang depression can be summarized as follows: The average heat flow value of Zhanhua sag is (67.4 5.3) mW/m2, higher than that of the whole basin, that of Dongying sag is (66.0 6.1) mW/m2, and that of Chezhen sag is (65.1 3.7) mW/m2. It is apparent that these latter two values are approximate to the average value of the whole Jiyang depression, while the average value of Huimin sag is (63.65.0) mW/m2, lower than that of the whole basin. In fact, the basement depth and the distribution framework of uplift and depression areas are all controlled by the process of lithosphere extension. In addition, the distribution of volcanic rocks in basin is also relatively close to this extension geodynamic process. In summary, the distribution characteristics of terrestrial heat flow of Jiyang depression is determined by the Cenozoic tectono-thermal events of this region. | GONG Yuling1,2, WANG Liangshu1, LIU Shaowen1, LI Cheng1, HAN Yongbing1, LI Hua1, LIU Bo1 & CAI Jingong3 1. Department of Earth Sciences, Nanjing University, Nanjing 210093, China 2. Department of Exploration and Information Technology of East China Institute of Technology, Fuzhou 344000, China 3. Earth Science Institution of Shengli Oilfield, Dongying 257015, China | 2004 | Science China Earth Sciences2004,47,9: | 6 |
| 8 | Application of forecasting structural cracks technique of 3DMove in Chengdao buried hill显示文摘3DMove software, based on the three-dimension structural model of geologic inter- pretation, can forecast reservoir cracks from the point of view of formation of the structural ge- ology, and analyze the characteristics of the cracks. 3DMove software dominates in forecasting cracks. We forecast the developments and directions of the cracks in Chengbei buried hill with the application of forecasting technique in 3DMove software, and obtain the chart about strain distributing on top in buried hill and the chart about relative density and orientation and the chart about the analysis of crack unsealing. In Chengbei 30 buried hill zone, north-west and north-east and approximately east-west cracks in Cenozoic are very rich and the main directions in every fault block are different. Forecasting results that are also verified by those of drilling approxi- mately accord with the data from well logging, the case of which shows that the technique has the better ability in forecasting cracks, and takes more effects on exploration and exploitation of crack reservoir beds in ancient buried hill reservoirs. | WU Shiguo1, 2, WANG Xiuling2, JI Yuxin2, LIU Yuzhen2 & HAN Wengong2 1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China 2. Geophysical Research Institute, Shengli Oil Field, Dongying 257002, China | 2005 | Science China Earth Sciences2005,48,9: | 5 |
| 9 | Robust optimal control for anaerobic-anoxic-oxic reactors显示文摘Anaerobic-anoxic-oxic(A_2O) reactors, as the core parts of wastewater treatment process(WWTP), have attracted considerable attention to achieve the reliability of denitrification and dephosphorization. However, it is difficult to realize the optimal operation of A_2O reactors due to the existence of nonlinear dynamics and large uncertainties. To solve this problem, a robust optimal control(ROC) strategy is developed to improve the operation performance of A_2O reactors. First, data-driven systematic evaluation criteria are developed to describe the operational indicators of changeable conditions. Second, a robust optimization algorithm is designed to select the optimal solution. Third, a fuzzy neural network(FNN) is used to track the optimal solution in the control process. Finally, this proposed ROC strategy is applied to the phosphorus removal benchmark simulation model(BSM1-P) and the real A_2O reactors. The results demonstrate that the strategy developed in this paper has great potential for application in real A_2O reactors. | HAN HongGui ZHANG JiaCheng DU ShengLi SUN Hao Yuan QIAO JunFei | 2021 | Science China(Technological Sciences)2021,64,7: | 4 |
| 10 | Kinetic calculations for the thermal decomposition of calcium propionate under non-isothermal conditions显示文摘Calcium propionate (CP) is shown to be useful for simultaneous SO2/NO reduction in coal-fired power plants and its thermal decomposition characteristics are measured by thermogravimetric analysis in a feasibility study into more complete reduction of these hazardous gases. Calcium carbonate (CC), which has been used primarily for in-furnace desulfuration, was used for comparison. The thermal decomposition of this organic calcium-based sorbent began at low temperature, i.e. the carboxylic radical was evaporated from 565 K to 759 K for CP and the corresponding mass loss percentage was 47.79%. The residual was subsequently decomposed to release carbon dioxide between 843 K and 1012 K. The latter phase of the process occurred more readily than with CC because of the loose structure of CP resulting from evaporation of the carboxylic radical in the low temperature zone, which could be seen directly by scanning electron microscope. The maximum mass loss rates of this phase occurred at temperatures of 972 K and 1012 K for CP and CC, respectively. The Ozawa-Flynn-Wall method was used to calculate the activation energy during the thermal decomposition process at heating rates of 5, 7.5, 10 and 15 K/min. The result further confirmed the multistage characteristic of CP thermal decomposition, which could be seen in differential thermogravimetry curves. The reaction orders of CP in the conversion range 20%-80%, calculated using the Avrami theory were from 0.061 to 0.608, smaller than those of CC, which were 1.647 to 2.084. | NIU ShengLi HAN KuiHua LU ChunMei | 2011 | Chinese Science Bulletin2011,56,12: | 3 |
| 11 | Experimental study on the effect of urea and additive injection for controlling nitrogen oxide emissions显示文摘 | Niu Shengli Han Kuihua Lu Chunmei | 2010 | Environmental Engineering Science2010,27,1: | 1 |
| 12 | Thennogravimentric analysis of the relationship among calcium magnesium acetate, calcium acetate and magnesium acetate 显示文摘 | Niu Shengli Han Kuihua Lu Chunmei | 2010 | Applied Energy2010,87,7: | 1 |
| 13 | Surface modified polyimide fiber-filled ethylene-propylene-diene monomer insulations for a solid rocket motor:processing,morphology,and properties显示文摘 | Han Zhongqiang Qi Shengli Liu Wei | | 0,,03: | 1 |
| 14 | Shengli Diamond Bits显示文摘ShengliDiamondBitsYangYukun(ViceDirecter,ToolsDepartment,DrillingTechnologyResearchInstitute,ShengliPetroleumAdminstration)Ha... | Yang Yukun(Vice Directer, Tools Department, Drilling Technology Research Institute,Shengli Petroleum Adminstration)Han Tao(Engineer, Tools Department, Drilling Technology Research Institute, Shengli Petroleum Adminestration) | 1995 | China Oil & Gas1995,2,1: | 1 |
| 15 | An experimental study on the effect of operating parameters and sodium additive on the NO x OUT Process显示文摘 | Shengli Niu Kuihua Han Chunmei Lu | 2011 | Process Safety and Environmental Protection2011,,2: | 1 |
| 16 | Fabrication of high-performance copolyimide fibers from 3,3',4,4'-biphenyltetracarboxylic dianhydride,p-phenylenediamine and 2-(4-aminophenyl)-6-amino-4(3H)-quinazolinone显示文摘 | Niu Hongqing Qi Shengli Han Enlin | 2012 | Mater Lett2012,89,: | 1 |
| 17 | Incorporation of Silver Nanoparticles into the Bulk of the Electrospun Ultra fine Polyimide Nano fibers via a Direct Ion Exchange Self-Metallization Process显示文摘 | Han Enlin Wu Dezhen Qi Shengli | 2012 | Appled Materials Interface2012,4,: | 1 |
| 18 | Increasing Lump Ores Proportion in Blast Furnace Based on the High- Temperature Interactivity of Iron Bearing Materials显示文摘 | Wu Shengli Han Hongliang Xu Haifa | 2010 | ISIJ International2010,50,5: | 1 |
| 19 | Thermogravimetric analysis of the relationship among calcium magnesium acetate, cal- cium acetate and magnesium acetate显示文摘 | Niu Shengli Han Kuihua Lu Chunmei | 2010 | Appl Energy2010,87,7: | 1 |
| 20 | Increasing lump ores proportion in blast furnace based on the high-temperature interactivity of iron beating materials显示文摘 | WU Shengli HAN Hongliang XU Haifa | 2010 | ISIJ international2010,50,5: | 1 |