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| 1 | Developing the Science Product Algorithm Testbed for Chinese Next-Generation Geostationary Meteorological Satellites:Fengyun-4 Series显示文摘Fengyun-4A(FY-4A), the first of the Chinese next-generation geostationary meteorological satellites, launched in2016, offers several advances over the FY-2: more spectral bands, faster imaging, and infrared hyperspectral measurements. To support the major objective of developing the prototypes of FY-4 science algorithms, two science product algorithm testbeds for imagers and sounders have been developed by the scientists in the FY-4 Algorithm Working Group(AWG). Both testbeds, written in FORTRAN and C programming languages for Linux or UNIX systems, have been tested successfully by using Intel/g compilers. Some important FY-4 science products, including cloud mask, cloud properties, and temperature profiles, have been retrieved successfully through using a proxy imager, Himawari-8/Advanced Himawari Imager(AHI), and sounder data, obtained from the Atmospheric Infra Red Sounder, thus demonstrating their robustness. In addition, in early 2016, the FY-4 AWG was developed based on the imager testbed—a near real-time processing system for Himawari-8/AHI data for use by Chinese weather forecasters.Consequently, robust and flexible science product algorithm testbeds have provided essential and productive tools for popularizing FY-4 data and developing substantial improvements in FY-4 products. | Min MIN Chunqiang WU Chuan LI Hui LIU Na XU Xiao WU Lin CHEN Fu WANG Fenglin SUN Danyu QIN Xi WANG Bo LI Zhaojun ZHENG Guangzhen CAO Lixin DONG | 2017 | Journal of Meteorological Research2017，31，4： | 35 |
| 2 | Layered Mg-Al spinel supported Ce-Fe-Zr-O oxygen carriers for chemical looping reforming显示文摘A series of layered Mg-Al spinel supported Ce-Fe-Zr-O oxygen carriers were prepared for co-production of syngas and pure hydrogen via chemical looping steam reforming(CLSR).The presence of magnesium-aluminum layered double oxides(Mg Al-LDO)significantly increases the specific surface area of the mixed oxides,reduces the particle size of CeO2-based solid solution and promotes the dispersion of free Fe2O3.When reacting with methane,Mg Al-LDO supported oxygen carrier shows much lower temperature for methane oxidation than the pure CeFe-Zr-O sample,indicating enhanced low-temperature reactivity.Among different Ce-Fe-Zr-O(x)/Mg Al-LDO samples,the Ce-Fe-Zr-O(40 wt%)/Mg Al-LDO sample shows the best performance for the selective oxidation of methane to syngas and the H2 production by water splitting.After a long period of high temperature redox experiment,the Ce-Fe-Zr-O(40 wt%)/Mg Al-LDO oxygen carrier still shows high activity for syngas generation.The comparison on the morphology of the fresh and cycled oxygen carriers indicates that the Mg-Al spinel support still forms a stable skeleton structure with high dispersion of active components on the surface after the long-term cycling,which contributes to excellent redox stability of the Ce-Fe-Zr-O(40 wt%)/Mg Al-LDO oxygen carrier. | Jiangyong Yuan Yannan Zhao Haiwen Xu Chunqiang Lu Kun Yang Xing Zhu Kongzhai Li | 2020 | Chinese Journal of Chemical Engineering2020，28，10： | 1 |
| 3 | PeerSearch: Efficient Information Retrieval in Peer-to-Peer Networks 显示文摘 | Chunqiang Tang Zhichen Xu Mallik Mahalingam | 2003 | ACM SIGCOMM Computer Communication Review2003，33，1： | 1 |
| 4 | pSeareh : information retrieval in structured overlays显示文摘 | TANG Chunqiang XU Zhichen MAHLINGAM M | 2003 | Computer Communication Review2003，33，1： | 1 |
| 5 | Ex- perimental investigation on heat transfer of spray cooling with isobutane (R600a) 显示文摘 | Xu Hongbo Si Chunqiang Shao Shuangquan | 2014 | International Journal of Ther- mal Sciences2014，86，12： | 1 |
| 6 | pSearch :information retrieval in structured overlays显示文摘 | Tang Chunqiang Xu Zhichen Mahalingam M | 2003 | Computer Communication Review2003，33，1： | 1 |
| 7 | Information retrieval in structured overlays显示文摘 | Tang Chunqiang Xu Zhichen Mahalingam M | 2002 | ACM SIGCOMM Computer Communication Review2002，33，1： | 1 |
| 8 | Towards a semantic aware file store显示文摘 | Zhichen Xu Magnus Karlsson Chunqiang Tang Christos Karamanolis | 2003 | HP laboratories palo Alto CA943042003，4，： | 1 |
| 9 | Genetic Differentiation Among Populations of Octopus minor Based on Simple Sequence Repeats Mined from Transcriptome Data显示文摘Octopus minor(Sasaki 1920)is an important commercial cephalopod species in China.This species has declined sharply in recent years.Hence,genetic studies of O.minor are imperative to exploit and manage the wild resource.In this study,46192 microsatellite loci were discovered in 70174 unigenes from the transcriptomic data.Among all of the simple sequence repeat(SSR)unit categories,di-nucleotide and tri-nucleotide SSRs accounted for 45.26%and 14.49%,respectively.A total of 108 SSRs were tested,of which 21 were neutral and polymorphic.Seven SSRs were selected for genetics analyses of the O.minor populations in the Bohai Sea,the Yellow Sea,and the southwest coast of the Taiwan Strait region.Significant pairwise F_(st) values were detected among the samples.The UPGMA tree based on genetic distances suggested that the sampling locations could be arranged in three clusters.These markers are evidence that the populations in this region may be structured,with samples from Penghu differing remarkably from those in northern China.The present study characterized genetic markers for population assessment,management,and conservation of O.minor. | NAN Ze XU Ran HOU Chunqiang ZHENG Xiaodong | 2022 | Journal of Ocean University of China2022，21，5： | 0 |
| 10 | Thermally activated flux flow,vortex-glass phase transition and the mixed-state Hall effect in 112-type iron pnictide superconductors显示文摘The transport properties in the mixed state of high-quality Ca_(0.8)La_(0.2)Fe_(0.98)Co_(0.02)As_2single crystal,a newly discovered 112-type iron pnictide superconductor,are comprehensively studied by magneto-resistivity measurement.The field-dependent activation energy,U_0,is derived in the framework of thermally activated flux flow(TAFF)theory,yielding a power law dependence U_0~H~αwith a crossover at a magnetic field around 2 T in both H⊥ab and H//ab,which is ascribed to the different pinning mechanisms.Moreover,we have clearly observed the vortex phase transition from vortex-glass to vortex-liquid according to the vortex-glass model,and vortex phase diagrams are constructed for both H⊥ab and H//ab.Finally,the results of mixed-state Hall effect show that no sign reversal of transverse resistivityρ_(xy)(H)is detected,indicating that the Hall component arising from the vortex flow is in theories or experiments previously reported on some high-T_ccuprates. | XiangZhuo Xing ZhanFeng Li XiaoLei Yi JiaJia Feng ChunQiang Xu Nan Zhou Yan Meng YuFeng Zhang YongQiang Pan LingYao Qin Wei Zhou HaiJun Zhao ZhiXiang Shi | 2018 | Science China(Physics,Mechanics & Astronomy)2018，61，12： | 0 |
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