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29篇 您的检索式:作者名="Ding Guofu"
    题名 作者 年代 出处 被引量
1Trace Elements and Rare Earth Elements of Sulfide Minerals in the Tianqiao Pb-Zn Ore Deposit,Guizhou Province,China显示文摘硫化物矿物质的踪迹元素和稀土元素元素(REE ) 被诱导地联合的血浆团 spectrometry 决定。结果显示那 V, Cu, Sn, Ga, Cd,在里面并且 Se 在闪锌矿被集中, Sb,同样 Ge,和 Tl 在方铅矿被集中,并且在黄铁矿的几乎所有踪迹元素是低的。在轻黄的闪锌矿的 Ga 和 Cd 内容在褐和黑闪锌矿比那高。Ge 的内容, Tl,在里面并且在棕色的闪锌矿的 Se 在轻黄的闪锌矿和黑闪锌矿比那高。它证明 REE 集中比在闪锌矿,和方铅矿在黄铁矿是更高的。在闪锌矿, REE 集中从轻黄的闪锌矿减少,棕色的闪锌矿,到黑闪锌矿。Ga/In 的比率是超过 10,并且分别地, Co/Ni 在学习闪锌矿和黄铁矿是不到 1 显示 Tianqiao PbZn 矿石沉积物的开始可能属于沉积改革的开始与热水的开始联系了。在在闪锌矿的 LnGa 和 LnIn 之间,并且在在方铅矿的 LnBi 和 LnSb 之间的关系,显示 Tianqiao PbZn 矿石存款可能属于沉积改革的开始。基于使球粒状陨石正常化的 REE 模式, Eu 是一个否定异例(0.130.88 ) ,和 Ce 不显示出明显的异例(0.881.31 ) ;所有样品有低全部的 REE 集中(< 3 ppm ) 并且大量轻稀土元素元素 / 高度稀土元素元素比率(1.1212.35 ) 。这些结果显示形成矿石的液体在减少的环境下面发生。从更低的含碳的 Datang 形成的闪锌矿,方铅矿,黄铁矿,矿石,改变的 dolostone 岩石,阶层碳酸盐,和黄铁矿的比较 REE 作文和参数证明形成矿石的液体可能来自 polycomponent 系统,也就是说不同的 chronostratigraphic 单位能做重要贡献到形成矿石的液体。与构造背景和以前的同位素的地球化学证据结合了,我们断定矿石存款开始是热水的,沉积改过,与形成矿石的液体的 multisources 特征。ZHOU Jiaxi HUANG Zhilong ZHOU Guofu LI Xiaobiao DING Wei BAO Guangping 2011Acta Geologica Sinica(English Edition)2011,85,1:35
2Sulfur isotopic composition of the Tianqiao Pb-Zn ore deposit,Northwest Guizhou Province,China:Implications for the source of sulfur in the ore-forming fluids显示文摘The Tianqiao Pb-Zn ore deposit of Guizhou Province, China, is located in the mid-east of the Sichuan-Yunnan-Guizhou Pb-Zn-Ag multi-metallic mineralization area, which is representative of the Pb-Zn ore de-posits in this area. It consists of three main orebodies, whose Pb+Zn reserves are more than 0.2 million ton. This paper analyzes the sulfur isotopic composition of these orebodies. The data show that the ore minerals (galena, sphalerite, pyrite) in these orebodies are enriched in heavy sulfur, with δ34SV-CDT values varying between 8.35‰ and 14.44‰, i.e. the δ34SV-CDT values of pyrite are between 12.81‰ and 14.44‰, the mean value is 13.40‰; the δ34SV-CDT values of sphalerite are range from 10.87‰ to 14.00‰, the mean value is 12.53‰; the δ34SV-CDT values of galena are range from 8.35‰ to 9.83‰, the mean value is 8.84‰, and they have the feature of δ34Spyrite>δ34Ssphalerite>δ34Sgalena, which indicates the sulfur isotope in ore-forming fluids has attained equilibrium. The δ34S V-CDT values of the deposit are close to those of sulfates from carbonate strata of different ages in the ore-field (15‰), which suggests that the sulfur in the ore-forming fluids should be derived from the thermo-chemical sulfate reduction of sulfates from the sedimentary strata.ZHOU Jiaxi HUANG Zhilong ZHOU Guofu LI Xiaobiao DING Wei BAO Guangping 2010Chinese Journal Of Geochemistry2010,29,3:16
3Effects of Corridor Networks on Plant Species Composition and Diversity in an Intensive Agriculture Landscape显示文摘The development of modern agriculture has resulted in much homogenization of the landscape consisting of large patches of farmland,so small remnant non-crop habitats especially linear corridors play an important role in the conservation of species and the maintenance of ecosystem functions.However,little attention has been paid to the effects of corridors structural characteristics on the plant species restricted to such habitats.In this study,we selected three types of corridors including ditch,hedgerow and road,and analyzed their structural characteristics.The plant species presented in these corridors were investigated,and the species diversity,abundance and frequency were estimated.Moreover,spatial arrangements of corridors were classified into different types to discuss whether there were significant effects of corridor network on plant distribution.The results show that three types of corridors have different effects on plant species composition and diversity.The one-one combined corridor networks and total network associated by three corridors have more complex structural features than each single type of corridor.However,there is no strong correlation between the corridor networks with their plant species.We suggest that carrying out a pointed vegetation survey at corridor intersections to further test the relationships between structural features of corridor and plants is necessary.TANG Qian LIANG Guofu LU Xunling DING Shengyan 2014Chinese Geographical Science2014,24,1:6
4RESEARCH AND DEVELOPMENT OF VIRTUAL PROTOTYPE OF RUNNING GEARS FOR RAILWAY VEHICLE显示文摘Virtual prototype is an important idea to resolve design problems of railway vehicle. A different development method,which is based on national product and autonomous development,and would like to reflect the specialty of railway vehicle development in China,is presented. According to the developing process of railway vehicle,the research contents and developing method are pointed out. The integration between CAD and performance analysis software on dynamics and strength is mainly considered. In CAD environment,the properties for dynamics computing are extracted directly from the model and exported with model. This method can avoid data losing caused by model rebuilding in CAE software,and increase the direct dependence of product CAD. Then the vehicle model with properties will be used for real-time dynamics and kinematics analysis and simulation. Therefore,the strength of the parts can be analyzed. The results of dynamics and strength analysis will be fed back to optimize the design model. All operations are dispatched by a control platform,and all data are managed according to the principle of PDM. Testing results show this method is correct.ZOU Yisheng DING Guofu ZHANG Weihua XU Mingheng HE Yong 2008Chinese Journal of Mechanical Engineering2008,21,1:6
5Regional agricultural landscape pattern changes along the Yellow River in Henan Province from 1987 to 2002显示文摘Agricultural landscape along the riparian zones is designated as important landscape components for partly controlling water quality, biodiversity, as well as for their aesthetic role in landscapes.Therefore,the change ofagriculturallandscape along the riparian zonesisatthe top ofthe agenda for many policy makers and landscape planners.As a basis for conservation management, sufficient information about landscape structure should be provided. In the present study, we reconstructed the formerlandscape structure and elucidated the changesin landscape patternsduring a period ofabout15 years.Two sets ofmaps were used:a landsat-5 TM image (1987)and landsat-7 ETM image (2002).The frequency index,landscape diversity index and landscape fragmentation index were calculated foranalyses.The results showed that:(1)the areas ofthe irrigated land,river,forest and beach landscape classespresented a decreasing trend while the areasoflandscape classesofpool, paddy fields,dry land and construction land increased.(2) Disturbed by human activity,landscape diversity index increased butlandscape fragmentation index decreased.In short,Human activitieshave had importantinfluences on agriculturallandscape of the riparian zones along the Yellow River in Henan Province.LIANG Guofu DING Shengyan LI Zhiheng 2005Journal of Geographical Sciences2005,15,4:5
6Influence of Major Stratospheric Sudden Warming on the Unprecedented Cold Wave in East Asia in January 2021显示文摘An unprecedented cold wave intruded into East Asia in early January 2021 and led to record-breaking or historical extreme low temperatures over vast regions.This study shows that a major stratospheric sudden warming(SSW)event at the beginning of January 2021 exerted an important influence on this cold wave.The major SSW event occurred on 2 January 2021 and subsequently led to the displacement of the stratospheric polar vortex to the East Asian side.Moreover,the SSW event induced the stratospheric warming signal to propagate downward to the mid-to-lower troposphere,which not only enhanced the blocking in the Urals-Siberia region and the negative phase of the Arctic Oscillation,but also shifted the tropospheric polar vortex off the pole.The displaced tropospheric polar vortex,Ural blocking,and another downstream blocking ridge over western North America formed a distinct inverted omega-shaped circulation pattern(IOCP)in the East Asia-North Pacific sector.This IOCP was the most direct and impactful atmospheric pattern causing the cold wave in East Asia.The IOCP triggered a meridional cell with an upward branch in East Asia and a downward branch in Siberia.The meridional cell intensified the Siberian high and low-level northerly winds,which also favored the invasion of the cold wave into East Asia.Hence,the SSW event and tropospheric circulations such as the IOCP,negative phase of Arctic Oscillation,Ural blocking,enhanced Siberian high,and eastward propagation of Rossby wave eventually induced the outbreak of an unprecedented cold wave in East Asia in early January 2021.Yingxian ZHANG Dong SI Yihui DING Dabang JIANG Qingquan LI Guofu WANG 2022Advances in Atmospheric Sciences2022,39,4:5
7Osteosarcoma metastasis: prospective role of ezrin显示文摘Yuanjin Zhang Ling Zhang Guofu Zhang Songbai Li Jun Duan Jie Cheng Guozhen Ding Chibing Zhou Jie Zhang Pengcheng Luo Dongbing Cai Lianghong Kuang Yichun Zhou Liqun Tong Xiangdong Yu Lifang Zhang Lijun Xu Li Yu Xiaomei Shi Aihong Ke 2014Tumor Biology2014,,6:1
8Integrated Geometric Error Modeling,Identification and Compensation of CNC Machine Tools显示文摘Zhu Shaowei Ding Guofu Qin Shengfeng 0,,:1
9CpG ODN107 potentiates radiosensitivity of human glioma cells via TLR9-mediated NF-κB activation and NO production显示文摘Xiaoli Li Dan Liu Xin Liu Weiwei Jiang Weiying Zhou Wei Yan Yanyan Cen Bin Li Guanqun Cao Guofu Ding Xueli Pang Jianguo Sun Jiang Zheng Hong Zhou 2012Tumor Biology2012,,5:1
10A new extracting al gorithm of k nearest neighbors searching for point clouds 显示文摘Li Zisbeng Ding Guofu Li Rong 2014Pattern Recognition Letters2014,49,11:1
11Retroperitoneal laparoscopic ureterolithotomy ( report of the3L cases) 显示文摘Wang Qinzhang Ding Guofu Li Lingxun 2006modem department of Urology magazine2006,11,1:1
12Antimalarial artesunate protects sepsis model mice against heat-killed Escherichia coli challenge by decreasing TLR4, TLR9 mRNA expressions and transcription factor NF-κB activation显示文摘Bin Li Rong Zhang Jun Li Lezhi Zhang Guofu Ding Ping Luo Shengqi He Yan Dong Weiwei Jiang Yongling Lu Hongwei Cao Jiang Zheng Hong Zhou 2007International Immunopharmacology2007,,3:1
13UV light absorbers executing synergistic effects of passivating defects and improving photostability for efficient perovskite photovoltaics显示文摘Metal halide perovskite-based solar cells(PSCs) have rapidly-increased power conversion efficiency(PCE)exceeding 25% but poor stability especially under ultraviolet(UV) light. Meanwhile, non-radiative recombination caused by diverse defects in perovskite absorbers and related interfaces is one of the major factors confining further development of PSCs. In this study, we systematically investigate the role of 2-(2-hydroxy-5-methylphenyl)benzotriazole(UVP) additive in perovskite layers. By adjusting the amount of doped UVP, the quality of perovskite absorbers is significantly improved with enlarged grains, longer lifetime and diffusion length of charge carriers. Furthermore, UVP not only reduces defects for less nonradiative recombination, but also matches energy level alignment for efficient interfacial charge extraction. X-ray photoelectron spectroscopy confirms that N-donor of UVP molecule coordinates with undercoordinated Pb^(2+) on the surface. Interestingly, UVP incorporated in PbI_(2) protects the perovskite by absorbing UV through the opening and closing of the chelating ring. Eventually, the UVP treated PSCs obtain a champion PCE of 22.46% with remarkably enhanced UV stability, retaining over 90% of initial PCE after 60 m W/cm^(2) strong UV irradiation for 9 h while the control maintaining only 74%. These results demonstrate a promising strategy fabricating passivated and UV-resistant perovskite materials simultaneously for efficient and stable perovskite photovoltaics.Jiale Li Wenjing Qi Yameng Li Sumin Jiao Hao Ling Peng Wang Xin Zhou Khumal Sohail Guangcai Wang Guofu Hou Jingshan Luo Ying Zhao Liming Ding Yuelong Li Xiaodan Zhang 2022Journal of Energy Chemistry2022,31,4:1
14Integrated geometric error modeling, identification and compensation of CNC machine tools 显示文摘Zhu Shaowei Ding Guofu Qin Shengfeng 2012International Journal of Machine Tools and Manufacture2012,52,1:1
15The interpolation algorithm of feed rate control based on trigonometric accelerationdeceleration and machine dynamics conditions显示文摘Jiang Lei Ding Guofu Xie Binbin 2011Advanced Materials Research2011,201,:1
16Integrated geometric error modeling, identification and compensation of CNC machine tools 显示文摘Zhu Shaowei Ding Guofu Qin Shengfeng 2012International Journal of Machine Tools & Manufacture2012,52,1:1
17The newly identified CpG-N ODN 208 protects mice from challenge with CpG-S ODN by decreasing TNF-α release 显示文摘Liangxi Wang Weiwei Jiang Guofu Ding 2007International Immunopharmacology2007,7,5:1
18Integrated geometric error modeling, identification and compensation of CNC machine tools 显示文摘Shaowei Zhu Guofu Ding 2012International Journal of Machine Tools and Manufacture2012,52,1:1
19Inte- grated geometric error modeling, identification and compensation of CNC machine tools 显示文摘ZHU Shaowei DING Guofu QIN Shengfeng 2012Interna- tional Journal of Machine Tools & Manufacture2012,,52:1
20Inte- grated geometric error modeling, identification and compen- sation of CNC machine tools 显示文摘ZHU Shaowei DING Guofu QIN Shengfeng 2012International Journal of Machine Tools and Manufacture2012,52,1:1
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