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130篇 您的检索式:作者名="Hanqi"
    题名 作者 年代 出处 被引量
1Growth of SnO_2 Nanoflowers on N-doped Carbon Nanofibers as Anode for Li-and Na-ion Batteries显示文摘It is urgent to solve the problems of the dramatic volume expansion and pulverization of SnO_2 anodes during cycling process in battery systems. To address this issue, we design a hybrid structure of N-doped carbon fibers@SnO_2 nanoflowers(NC@SnO_2) to overcome it in this work. The hybrid NC@SnO_2 is synthesized through the hydrothermal growth of SnO_2 nanoflowers on the surface of N-doped carbon fibers obtained by electrospinning. The NC is introduced not only to provide a support framework in guiding the growth of the SnO_2 nanoflowers and prevent the flower-like structures from agglomeration, but also serve as a conductive network to accelerate electronic transmission along one-dimensional structure effectively. When the hybrid NC@SnO_2 was served as anode, it exhibits a high discharge capacity of 750 Ah g^(-1) at 1 A g^(-1) after 100 cycles in Li-ion battery and 270 mAh g^(-1) at 100 mA g^(-1) for 100 cycles in Na-ion battery, respectively.Jiaojiao Liang Chaochun Yuan Huanhuan Li Kai Fan Zengxi Wei Hanqi Sun Jianmin Ma 2018Nano-Micro Letters2018,10,2:10
2Continuous unidirectional solidification of QAl9-4 Cu-Al alloy显示文摘A continuous unidirectional solidification equipment with the advantages of electric slag remelting, induction heating, continuous casting and unidirectional solidification was built to study the QAl9 4 Cu Al alloy. The results show that the electro slag induction continuous unidirectional solidification process can be used for the steady continuous unidirectional solidification of QAl9 4, and revitalizes the down pulling continuous unidirectional solidification process; that the temperature distribution in the mold wall reflects that of the molten metal in the mold, thus the temperature distribution in the mold wall can be used to control the electric slag induction continuous unidirectional solidification process; and that the mutual matching of the technological parameters is the key to stabilize the solidification process.Chang Guowei(常国威) Yuan Junping(袁军平) Wang Zidong(王自东) Wu Chunjing(吴春京) Hu Hanqi(胡汉起) Miao Zhimin(苗治民) 1999中国有色金属学会会刊:英文版1999,9,3:8
3Characterization of Five Kinds of Wood Vinegar Obtained from Agricultural and Forestry Wastes and Identification of Major Antioxidants in Wood Vinegar显示文摘Wood vinegar(WV)has a powerful antioxidant activity,but it is unclear which components are responsible for the antioxidant activity.In the present study,the double-column retention index qualitative method was used for the identification of the major components in five kinds of W7 And the major antioxidants of wood vinegar were accurately identified with the aid of Pearson product-moment correlation coefficients and authentic standard samples. Our results demonstrate that phenolic compounds are mainly responsible for the powerful antioxidant activity. 2,6-Dimethoxyphenol is the most powerful antioxidant in WV.2-Methoxyphenol and 3-methyl-1,2-cyclopentanedioue also have an important influence on the antioxidant activity of WV.Our results suggest that the contents of 2-methoxyphenol,2,6-dimethoxyphenol and 3-methyl-1,2-cyclopentanedione should act as the criteria for evaluating the antioxidant activity of WV.Our work will provide useful information for WV's application in the fields of food and medicine as antioxidants.LI Zhanchao ZHANG Zhiquan WU Lijie ZHANG Hanqi WANG Ziming 2019Chemical Research in Chinese Universities2019,35,1:4
4WAYS OF STABILIZING CONTINUOUS UNIDIRECTIONAL SOLIDIFICATION PROCESS AND VERIFICATION TESTS显示文摘WAYSOFSTABILIZINGCONTINUOUSUNIDIRECTIONALSOLIDIFICATIONPROCESSANDVERIFICATIONTESTS①ChangGuowei,ZhangHu,WangZidong,WangJingson...Chang Guowei, Zhang Hu, Wang Zidong, Wang Jingsong and Hu HanqiSchool of Materials Science and Engineering,University of Science and Technology Beijing, Beijing 100083, P. R. China 1998中国有色金属学会会刊:英文版1998,8,2:4
5Small-signal Modeling and Analysis of Grid-connected Photovoltaic Generation Systems显示文摘HUANG Hanqi MAO Chengxiong LU Jiming WANG Dan 2012中国电机工程学报2012,32,22:4
6Semi-enclosed experimental system for coal spontaneous combustion for determining regional distribution of high-temperature zone of coal fire显示文摘Temperature variation and gas generation at diferent depths and positions in the coal combustion process were studied to determine the propagation and evolution of high temperature regions in the process of coal spontaneous combustion.This study selected coal samples from Mengcun,Shaanxi Province,People’s Republic of China,and developed a semi-enclosed experimental system(furnace)for simulating coal combustion.The thermal mass loss of coal samples under various heating rates(5,10,and 15℃/min)was analyzed through thermogravimetric analysis,and the dynamic characteristics of the coal samples were analyzed;the reliability of the semi-enclosed experimental system was verifed through the equal proportional method of fuzzy response.The results reveal that the high-temperature zone is distributed nonlinearly from the middle to the front end of the furnace,and the temperatures of points in this zone decreased gradually as the layer depth increased.The apparent activation energy of the coal samples during combustion frst increased and then decreased as the conversion degree increased.Furthermore,the proportion of mass loss and the mass loss rate in the coal samples observed in the thermogravimetric experiment is consistent with that observed in the frst and second stages of the experiment conducted using the semi-enclosed system.The research fndings can provide a theoretical basis for the prevention and control of hightemperature zones in coal combustion.Jingyu Zhao Hanqi Ming Tao Guo Yuxuan Zhang Jun Deng Jiajia Song Qiang Zeng Chi‑Min Shu 2022International Journal of Coal Science & Technology2022,9,5:3
7A robust high-resolution details preserving denoising algorithm for meshes显示文摘Finely captured meshes often contain details like sharp edges, corners and shallow features. In order to improve the quality of these meshes, we present a robust and efficient high-resolution details-preserving mesh denoising algorithm. Our method consists of three stages. For each triangular face and its face neighborhood, we improve a robust density-based clustering method and apply it to the face neighborhood to extract a subset of neighbors which belong to the same cluster as the central face. And then, we filter the central face normal iteratively within this subset to remove noise. Because the faces within the extracted subset are not distributed across high-resolution details, our normal filtering can preserve such details as much as possible. Finally, we update the vertex positions to be consistent with the filtered face normals using a least-squares formulation. Experiments on various types of meshes indicate that our method has advantages over previous surface denoising methods.FAN HanQi PENG QunSheng YU YiZhou 2013Science China(Information Sciences)2013,56,9:2
8Recent advances of neural text generation:Core tasks,datasets,models and challenges显示文摘In recent years,deep neural network has achieved great success in solving many natural language processing tasks.Particularly,substantial progress has been made on neural text generation,which takes the linguistic and non-linguistic input,and generates natural language text.This survey aims to provide an up-to-date synthesis of core tasks in neural text generation and the architectures adopted to handle these tasks,and draw attention to the challenges in neural text generation.We first outline the mainstream neural text generation frameworks,and then introduce datasets,advanced models and challenges of four core text generation tasks in detail,including AMR-to-text generation,data-to-text generation,and two text-to-text generation tasks(i.e.,text summarization and paraphrase generation).Finally,we present future research directions for neural text generation.This survey can be used as a guide and reference for researchers and practitioners in this area.JIN HanQi CAO Yue WANG TianMing XING XinYu WAN XiaoJun 2020Science China(Technological Sciences)2020,63,10:2
9REACTION MODEL IN Al-Ti-C SYSTEM显示文摘REACTIONMODELINAl-Ti-CSYSTEM¥WANGZidong;HUHanqi(UniversityofScienceandTechnologyBeijing.Beijing,China)LiQingchun(Harbininstit...WANG Zidong HU Hanqi(University of Science and Technology Beijing.Beijing,China)Li Qingchun(Harbin institute of Technology,Harbin.China 1995Acta Metallurgica Sinica(English Letters)1995,8,2:2
10Highly Oxygenated Dimeric Grayanane Diterpenoids as Analgesics:TRPV1 and TRPA1 Dual Antagonists from Rhododendron molle显示文摘Six highly oxygenated dimeric grayanane diterpenoids(1—6)including three new ones,bismollethers A—C(1—3),were isolated from the flowers of Rhododendron molle collected at Qichun,Hubei,China.The structures and relative configurations of 1—6 were determined by comprehensive spectroscopic data analysis and 13C NMR calculation with DP4+analysis.The absolute configurations of bismollethers A—C(1—3)and birhodomollein B(5)were indubitably assigned by single-crystal X-ray diffraction analysis,revealing the head-to-tail linking manner of diterpenoid monomers.Bismollether A(1)is a caged dimeric grayanane diterpenoid linked through two oxygen-bridges of C-2−O−C-14′and C-14−O−C-2′,featuring a unique 1,8-dioxacyclotetradecane motif.The plausible biosynthesis pathways of 1—6 are proposed.All the isolates displayed significant analgesic activities and their structure-activity relationships were discussed.Grayanane diterpenoid dimers were found to be TRPV1 and TRPA1 dual antagonists,and docking studies provide a structural basis to design potent analgesics.Lang Huang Guijuan Zheng Yuanyuan Feng Pengfei Jin Biao Gao Hanqi Zhang Xiaomin Ma Junfei Zhou Guangmin Yao 2022Chinese Journal of Chemistry2022,40,19:2
11Spectroscopic characterization of effective components anthraquinones in Chinese medicinal herbs binding with serum albumins显示文摘Shuyun Bi Daqian Song Yuhe Kan Dong Xu Yuan Tian Xin Zhou Hanqi Zhang 2005Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy2005,,1:2
12Calibration of multi-beam laser tracking systems显示文摘ZHUANG Hanqi MOTAGHEDI S H ROTH Z S 2003Robotics and Computer Integrated Manufacturing2003,19,4:1
13Potential sources of carcinogenic heterocyclic amines in the Chinese diet: results from a 24- h dietary recall study in Singapore显示文摘KOH W P YANG Hannah YANG Hanqi 2005European Journal of Clinical Nu~tion2005,59,1:1
14A coordinate measuring machine with parallel mechanisms 显示文摘Hanqi Zhuang Yingli Wang 1997Proceedings of the 1997 IEEE International Conference on Robotics and Automation1997,,:1
15In situ laser surface coating of TiC metal-matrix composite layer显示文摘Meng Yan Hu Hanqi 1996Journal of Materials Science1996,,16:1
16First report of leaf-spot disease caused by Sphaeropsis visci on Asian mistletoe [Viscum coloratum (Kom.) Nakai] in China显示文摘In January 2017, symptoms of a leaf-spot disease were observed on Viscum coloratum plants in Yichun,China. The infected leaves were chlorotic, while sunken lesions formed on diseased branches, which were initially light brown and later turned dark brown. Moreover, diseased branches and leaves formed semi-buried, small, and spherical pycnidia. In total, 20 leaves and 19 branches diseased samples from Yichun, China were collected and examined. The fungus was isolated and identified using Koch's postulates, morphological characteristics and DNA sequence data. The data presented herein confirmed that the pathogen responsible for the disease was Sphaeropsis visci. To the best of our knowledge, this is the first report of it in China.Jie Chen Xuefeng Liu Hanqi Jia Wenbo Zhu 2018Journal of Forestry Research2018,29,6:1
17Calibration of stewart platforms and other parallel manipulators by minimizing inverse kinematic residuals显示文摘ZHUANG Hanqi YAN Jiahua MASORY O 1998Journal of Robotic Systems1998,17,7:1
18In situ laser coating of TiC metal-matrix composite layer显示文摘Meng Yan Hu Hanqi 1996Journal of Materials Science1996,316,:1
19Simultaneous robot/world and tool/flange calibration by solving homogeneous transformation equations of the form AX=YB显示文摘Hanqi Z Roth Z S Sudhakar R 1994IEEE Transactions on Robotics and Automation1994,10,4:1
20High performance Au/Ag core/shell bipyramids for determination of thiram based on surface‐enhanced Raman scattering显示文摘Xia Zheng Yanhua Chen Yang Chen Ning Bi Haibo Qi Meihong Qin Dan Song Hanqi Zhang Yuan Tian 2012J Raman Spectrosc2012,,10:1
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