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| 1 | MCM-41 supported nano-sized CuO-CeO2 for catalytic combustion of chlorobenzene显示文摘In this paper,MCM-41 was synthesized by a soft template technique and MCM-41 supported CuO-CeO2 nano-sized catalysts with different Cu/Ce molar ratios were prepared by a deposition-precipitation method.N2 adsorption,HRTEM-EDS,H2-TPR,XPS characterization,as well as catalytic activity and durability tests for the catalytic combustion of chlorobenzene(CB)were conducted to explore the relationship between the structure and catalytic performance of the catalysts.It is revealed that cuCe(6:1)/MCM-41 has the highest activity and can completely catalyze the degradation of CB at 260℃.The reasons for the high activity of the catalysts are as follows:MCM-41,a type of mesoporous material which has large pore size and large specific surface area,is suitable as a catalyst carrier.The average diameter of nano-sized CuO and CeO2 particles is about 3-5 nm and adding CeO2 improves the dispersion of active component CuO,which are highly and evenly dispersed on the surface of MCM-41.Characterization results also explain why MCM-41 supported CuO-CeO2 with appropriate proportion can highly enhance the catalytic activity.The reason is that CeO2 acting as an oxygen-rich material can improve the mobility of oxygen species through continuous redox between Ce4^+and Ce3^+,and improve the catalytic performance of CuO for CB combustion.Besides,CuCe(6:1)/MCM-41 also displays good durability for CB combustion,both in the humid condition and in the presence of benzene,making it a promising catalytic material for the elimination of chlorinated VOCs. | Jie Zheng Zhu Chen Jianfei Fang Zhuo Wang Shufeng Zuo | 2020 | Journal of Rare Earths2020，38，9： | 7 |
| 2 | A draft sequence of the rice (Oryza sativa ssp. indica) genome显示文摘The sequence of the rice genome holds fundamental information for its biology, including physiology, genetics, development, and evolution, as well as information on many beneficial phenotypes of economic significance. Using a 'whole genome shotgun' approach, we have pro-duced a draft rice genome sequence of Oryza sativa ssp. in-dica, the major crop rice subspecies in China and many other regions of Asia. The draft genome sequence is constructed from over 4.3 million successful sequencing traces with an accumulative total length of 2214.9 Mb. The initial assembly of the non-redundant sequences reached 409.76 Mb in length, based on 3.30 million successful sequencing traces with a total length of 1797.4 Mb from an indica variant cultivar 93-11, giving an estimated coverage of 95.29% of the rice genome with an average base accuracy of higher than 99%. The coverage of the draft sequence, the randomness of the sequence distribution, and the consistency of BIG-ASSEM-BLER, a custom-designed software package | YU Jun, HU Songnian, WANG Jun,LI Songgang WONG Ka-Shu Gane, LIU Bin,DENG Yajun, DAI Li, ZHOU Yan,ZHANG Xiuqing, CAO Mengliang, LIU Jing,SUN Jiandong , TANG Jiabin, CHEN Yanjiong,HUANG Xiaobing, LIN Wei, YE Chen, TONG Wei,CONG Lijuan, GENG Jianing, HAN Yujun, LI Lin,LI Wei, HU Guangqiang, HUANG Xiangang,LI Wenjie, LI Jian, LIU Zhanwei, LI Long,LIU Jianping, Ql Qiuhui, LIU Jinsong, LI Li,WANG Xuegang, LU Hong, WU Tingling,ZHU Miao, Nl Peixiang, HAN Hua, DONG Wei,REN Xiaoyu, FENG Xiaoli, GUI Peng,LI Xianran, WANG Hao, XU Xin, ZHAI Wenxue,XU Zhao, ZHANG Jinsong, HE Sijie,ZHANG Jianguo, XU Jichen, ZHANG Kunlin,ZHENG Xianwu, DONG Jianhai, ZENG Wanyong,TAO Lin, CHEN Xuewei, HE Jun, LIU Daofeng,TIAN Wei, TIAN Chaoguang, XIA Hongai,LI Gang, GAO Hui, LI Ping, CHEN Wei ,WANG Xudong, ZHANG Yong, HU Jianfei,WANG Jing, LIU Song, YANG Jian,ZHANG Guangyu, XIONG Yuqing, LI Zhijie,MAO Long, ZHOU Chengshu, ZHU Zhen,CHEN Runsheng, HAO Bailin,ZHENG Weimou, CHEN Shouyi, QUO Wei,LI Guojie, LIU Siqi, HUANG Guyang,TAO Ming, WANG Jian, ZHU Lihuang,YUAN Longping& YANG HuanmingBeijing Genomics Institute/Center of Genomics & Bioinformatics, Chinese Academy of Sciences, Beijing 101300, China Hangzhou Genomics Institute/Institute of Bioinformatics of Zhejiang University/Key Laboratory of Bioinformatics of Zhejiang Province, Hangzhou 310007, China Institute of Genetics, Chinese Academy of Sciences, Beijing 100101, China National Hybrid Rice R & D Center, Changsha 410125, China Laboratory of Bioinformatics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China College of Life Sciences, Peking University, Beijing 100871, China Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 1Q0080, China Digital China Ltd., Beijing 100080, China Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080, China Medical College, Xi’an Jiaotong University, Xi’an 710061, ChinaThese authors contributed equally to this work.Corresponding author.Corresponden | 2001 | Chinese Science Bulletin2001，46，23： | 6 |
| 3 | Great progress in developing 500 MHz single cell superconducting cavity in China显示文摘Superconducting cavities have been adopted in many kinds of accelerator facilities such as synchrotron radiation light source, hard X-ray free electron laser linac, colliders and energy recovery linacs (ERL). The 500 MHz superconducting cavities will be a candidate to be installed in the high current accelerators and high current ERLs for their large beam aperture, low higher order modes impedance and high current threshold value. This paper presents great progress in the whole sequence of developing 500 MHz superconducting cavity in China. It describes the first in-house successful development of 500 MHz single cell superconducting cavity including the deep-drawing of niobium half cells, electron beam wielding of cavity, surface preparations and vertical testing. The highest accelerating gradient of the fabricated cavity #SCD-02 higher than 10 MV/m was obtained while the quality factor was better than 4×108 at 4.2 K, which has reached the world level of the same kind of cavities. | LIU JianFei HOU HongTao MAO DongQing FENG ZiQiang MA ZhenYu LUO Chen ZHAO ShenJie ZHAO YuBin YU HaiBo YIN Bo ZHANG ZhiGang ZHENG Xiang LI Zheng | 2011 | Science China(Physics,Mechanics & Astronomy)2011，54，S2： | 4 |
| 4 | Genesis of the Gold Deposit in the Indus-Yarlung Tsangpo Suture Zone,Southern Tibet:Evidence from Geological and Geochemical Data显示文摘The Nianzha gold deposit,located in the central section of the Indus-Yarlung Tsangpo suture(IYS) zone in southern Tibet,is a large gold deposit(Au reserves of 25 tons with average grade of 3.08 g/t) controlled by a E-W striking fault that developed during the main stage of Indo-Asian collision(~65-41 Ma).The main orebody is 1760 m long and 5.15 m thick,and occurs in a fracture zone bordered by Cretaceous diorite in the hanging wall to the north and the Renbu tectonic melange in the footwall to the south.High-grade mineralization occurs in a fracture zone between diorite and ultramafic rock in the Renbu tectonic melange.The wall-rock alteration is characterized by silicification in the fracture zone,serpentinization and the formation of talc and magnesite in the ultramafic unit,and chloritization and the formation of epidote and calcite in diorite.Quartz veins associated with Au mineralization can be divided into three stages.Fluid inclusion data indicate that the deposit formed from H_2O-NaCl-organic gas fluids that homogenize at temperatures of 203℃-347℃ and have salinities of 0.35wt%-17.17wt%NaCl equivalent.The quartz veins yield δ^(18)O_(fluid) values of 0.15‰-10.45‰,low δD_(V-SMOW)values(-173‰ to-96‰),and the δ^(13)C values of-17.6‰ to-4.7‰,indicating the ore-forming fluids were a mix of metamorphic and sedimentary orogenic fluids with the addition of some meteoric and mantle-derived fluids.The pyrite within the diorite has δ^(34)S_(V-CDT) values of-2.9‰-1.9‰(average-1.1‰),^(206)Pb/^(204)Pb values of 18.47-18.64,^(207)Pb/^(204)Pb values of 15.64-15.74,and ^(208)Pb/^(204)Pb values of 38.71-39.27,all of which are indicative of the derivation of S and other ore-forming elements from deep in the mantle.The presence of the Nianzha,Bangbu,and Mayum gold deposits within the IYS zone indicates that this area is highly prospective for large orogenic gold deposits.We identified three types of mineralization within the IYS,namely Bangbu-type accretionary,Mayum-type microcontinent,and Nianzha-type ophiolite-associated orogenic Au deposits.The three types formed at different depths in an accretionary orogenic tectonic setting.The Bangbu type was formed at the deepest level and the Nianzha type at the shallowest. | ZHANG Xiong DENG Xueguo YANG Zhusen HOU Zengqian ZHENG Yuanchuan LIU Yingchao ZHAO Xiaoyan XU Bo PEI Yingru ZHOU Jinsheng ZHAO Miao YUAN Jianfei | 2017 | Acta Geologica Sinica(English Edition)2017，91，3： | 4 |
| 5 | Effects of Epstein-Barr virus infection on the development of multiple myeloma after liver transplantation显示文摘Reduced cellular immune function in patients after liver transplantation easily results in many types of viral infections,such as Epstein-Barr virus.Epstein-Barr virus is a γ-herpesvirus and is related to many malignant diseases,especially epithelial and lymph tumors.The abnormal interaction of cluster of differentiation 40 with cluster of differentiation 40 ligand and expression of cluster of differentiation 40 ligand are considered closely related to the development of myeloma cells.This study explored the influence and mechanism of Epstein-Barr virus infection on the phenotype and biological behavior of myeloma cells after liver transplantation.Flow cytometry was used to detect coexpression of cluster of differentiation 40 and cluster of differentiation 40 ligand in 10 samples of freshly isolated multiple myeloma cells.Cluster of differentiation 40 and cluster of differentiation 40 ligand were coexpressed in sample Nos.5,8,9,and 10,particularly in sample No.5.Western blot analysis was used to detect the expression of the Epstein-Barr virus antigens latent membrane protein 1 and Epstein-Barr virus nuclear antigen 2 in the multiple myeloma cell line RPMI 8226 infected with Epstein-Barr virus.The antigen expression indicated that Epstein-Barr virus can infect multiple myeloma virus cells in vitro.Reverse transcription-polymerase chain reaction revealed upregulated expression of cluster of differentiation 40 ligand on the infected RPMI 8226 cells,which may be involved in the anti-apoptosis activity of the infected cells.Confocal microscopy showed that pairs of molecules of cluster of differentiation 40,cluster of differentiation 40 ligand,and latent membrane protein 1 were colocalized on the surface of the infected cells.CXC chemokine receptor 4 was upregulated on the RPMI 8226 cells after Epstein-Barr virus infection.The migratory ability of the infected cells improved in the presence of the chemokine stromal cell-derived factor-1α.Anti-apoptosis and migration are known important biological characteristics of malignant cells.Our results indicate the involvement of Epstein-Barr virus in the origin and development of multiple myeloma.The risk of multiple myeloma increases when Epstein-Barr virus infects B cells in the germinal center,which may result in an anti-apoptosis effect of B cells and an improved ability to migrate from the germinal center to peripheral blood. | ZHANG YeWei ZHAO HeWei HE Xia ZHENG SuWen WANG TaiHong YAN DongLiang SUN JingFeng LU Xiang WEN JianFei LAU Wan Yee | 2012 | Science China(Life Sciences)2012，55，8： | 2 |
| 6 | Hybrid Terminal Sliding Mode Observer Design Method for Permanent Magnet Synchronous Motor Control System 显示文摘 | Jianfei Zheng Yong Feng Xinghuo Yu | 2008 | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS2008，5，10： | 1 |
| 7 | CpG or IFN-α are more potent adjuvants than GM-CSF to promote anti-tumor immunity following idiotype vaccine in multiple myeloma显示文摘 | Sungyoul Hong Jianfei Qian Haiyan Li Jing Yang Yong Lu Yuhuan Zheng Qing Yi | 2012 | Cancer Immunology, Immunotherapy2012，，： | 1 |
| 8 | Th9 cells promote antitumor immune responses in vivo显示文摘 | Lu Yong Hong Sungyoul Li Haiyan Park Jungsun Hong Bangxing Wang Lijuan Zheng Yuhuan Liu Zhiqiang Xu Jingda He Jin Yang Jing Qian Jianfei Yi Qing | 2012 | EN2012，，11： | 1 |
| 9 | Ty- rosinase inhibitors from paper mulberry (Broussonetia papyrif- era)显示文摘 | Zong-Ping Zheng Ka-Wing Cheng Jianfei Chao | 2008 | Food Chemistry2008，106，： | 1 |
| 10 | Online remaining-useful-life estimation with a Bayesian-updated expectation-conditional-maximization algorithm and a modified Bayesian-model-averaging method显示文摘Online remaining-useful-life(RUL)estimation is an effective method with respect to ensuring the safety of complex-huge systems.Generally,current methods assume a specific degradation model when degradation values are observed in the initial degradation phase.However,this assumption may not always be robust enough owing to the often-ambiguous inherent incipient-degradation characteristic.Therefore,besides model-parameter uncertainty,the uncertainty of the degradation model is worth examining in online RUL estimations.In this paper,a Bayesian-updated expectation-conditional-maximization(ECM)algorithm is adopted to address the uncertainty of prior parameters,and a modified Bayesian-model-averaging method is used to deal with the uncertainty of the degradation model.Then,simulation studies are conducted to analyze the effectiveness of the proposed fusion algorithm.Results suggest that the Bayesian-updated ECM algorithm and modified Bayesian-model-averaging method effectively address the associated uncertainties of model parameters and the degradation model itself.Finally,we apply the proposed fusion algorithm to predict the RUL of a gyroscope. | Yong YU Xiaosheng SI Changhua HU Jianfei ZHENG Jianxun ZHANG | 2021 | Science China(Information Sciences)2021，64，1： | 1 |
| 11 | User-friendly interactive image segmentation through unified combinatorial user inputs显示文摘 | Yang Wenxian Cai Jianfei Zheng Jianmin | 2010 | IEEE Transactions on Image Processing2010，19，9： | 1 |
| 12 | Hybrid terminal sliding-mode observer design method for a permanent-magnet synchronous motor control system 显示文摘 | Feng Yong Zheng Jianfei Yu Xinghuo | 2009 | IEEE Transactions on Industrial Electronics2009，56，9： | 1 |
| 13 | Diverse cellular strategies for the export of leaderless proteins显示文摘Unconventional protein export/secretion(UPE/UPS),in contrast to the classical ER-Golgi-dependent export/secretion of proteins with a leader sequence(signal peptide),employs multiple means to release leaderless cargoes(and in some special cases,cargoes with a leader sequence)to the extracellular space.By far,two major types of UPE have been classified,vesicle-independent UPE and vesicle-dependent UPE.In the former,UPE cargoes can directly translocate across the plasma membrane from the cytoplasm without the assistance of a vesicle carrier.In the latter,UPE cargoes translocate into the lumen of a vesicle which then delivers them out of the cell through membrane trafficking.Both types of UPE require multiple unconventional solutions to complete secretion.Here,we briefly discuss the multiple strategies for a UPE cargo release,focusing on two key steps of leaderless cargoes release in UPE:protein translocation and membrane trafficking. | Jianfei Zheng Liang Ge | 2022 | National Science Open2022，1，3： | 0 |
| 14 | Potential of secondary aerosol formation from Chinese gasoline engine exhaust显示文摘Light-duty gasoline vehicles have drawn public attention in China due to their significant primary emissions of particulate matter and volatile organic compounds(VOCs). However,little information on secondary aerosol formation from exhaust for Chinese vehicles and fuel conditions is available. In this study, chamber experiments were conducted to quantify the potential of secondary aerosol formation from the exhaust of a port fuel injection gasoline engine. The engine and fuel used are common in the Chinese market, and the fuel satisfies the China V gasoline fuel standard. Substantial secondary aerosol formation was observed during a 4–5 hr simulation, which was estimated to represent more than 10 days of equivalent atmospheric photo-oxidation in Beijing. As a consequence, the extreme case secondary organic aerosol(SOA) production was 426 ± 85 mg/kg-fuel, with high levels of precursors and OH exposure. The low hygroscopicity of the aerosols formed inside the chamber suggests that SOA was the dominant chemical composition. Fourteen percent of SOA measured in the chamber experiments could be explained through the oxidation of speciated single-ring aromatics. Unspeciated precursors, such as intermediate-volatility organic compounds and semi-volatile organic compounds, might be significant for SOA formation from gasoline VOCs. We concluded that reductions of emissions of aerosol precursor gases from vehicles are essential to mediate pollution in China. | Zhuofei Du Min Hu Jianfei Peng Song Guo Rong Zheng Jing Zheng Dongjie Shang Yanhong Qin He Niu Mengren Li Yudong Yang Sihua Lu Yusheng Wu Min Shao Shijin Shuai | 2018 | Journal of Environmental Sciences2018，30，4： | 0 |
| 15 | Chitosan/Sodium Alginate Multilayer pH-Sensitive Films Based on Layer-by-Layer Self-Assembly for Intelligent Packaging显示文摘The abuse of plastic food packaging has brought about severe white pollution issues around the world.Developing green and sustainable biomass packaging is an effective way to solve this problem.Hence,a chitosan/sodium alginate-based multilayer film is fabricated via a layer-by-layer(LBL)self-assembly method.With the help of superior interaction between the layers,the multilayer film possesses excellent mechanical properties(with a tensile strength of 50 MPa).Besides,the film displays outstanding water retention property(blocking moisture of 97.56%)and ultraviolet blocking property.Anthocyanin is introduced into the film to detect the food quality since it is one natural plant polyphenol that is sensitive to the pH changes ranging from 1 to 13 in food when spoilage occurs.It is noted that the film is also bacteriostatic which is desired for food packaging.This study describes a simple technique for the development of advanced multifunctional and fully biodegradable food packaging film and it is a sustainable alternative to plastic packaging. | Mingxuan He Yahui Zheng Jiaming Shen Jiawei Shi Yongzheng Zhang Yinghong Xiao Jianfei Che | 2024 | Journal of Renewable Materials2024，12，2： | 0 |
| 16 | Preliminary study of 0.14 THz water surface clutter reflectivity at near vertical incidence angle显示文摘As the development of radar systems developed for the terahertz and higher millimeter region continues to grow, the interest in the water surface and land clutter at terahertz and higher millimeter frequencies continues to increase. An empirical model of sea clutter reflectivity is described firstly, which is valid at near vertical incidence and has small average absolute deviation compared to other empirical models. Simulated results of 0.14 THz sea clutter at near vertical incidence with thismodel are shown. An indoor test-bed is constructed in order to measure 0.14 THz water surface clutter reflectivity and an experiment is carried out. Initial experimental results are presented and compared to the simulation results, which partially verifies that the empirical sea clutter model still works at 0.14 THz. | AN Jianfei CHENG Binbin FENG Zheng CUI Zhenmao CHEN Fengjun LU Bin | 2017 | 太赫兹科学与电子信息学报2017，15，2： | 0 |
| 17 | Review of Design and Control Optimization of Axial Flux PMSM in Renewable-energy Applications显示文摘Axial flux permanent magnet synchronous motors(AFPMSMs)have been widely used in wind-power generation,electric vehicles,aircraft,and other renewable-energy applications owing to their high power density,operating efficiency,and integrability.To facilitate comprehensive research on AFPMSM,this article reviews the developments in the research on the design and control optimization of AFPMSMs.First,the basic topologies of AFPMSMs are introduced and classified.Second,the key points of the design optimization of core and coreless AFPMSMs are summarized from the aspects of parameter design,structure design,and material optimization.Third,because efficiency improvement is an issue that needs to be addressed when AFPMSMs are applied to electric or other vehicles,the development status of efficiency-optimization control strategies is reviewed.Moreover,control strategies proposed to suppress torque ripple caused by the small inductance of disc coreless permanent magnet synchronous motors(DCPMSMs)are summarized.An overview of the rotor-synchronization control strategies for disc contra-rotating permanent magnet synchronous motors(CRPMSMs)is presented.Finally,the current difficulties and development trends revealed in this review are discussed. | Jianfei Zhao Xiaoying Liu Shuang Wang Lixiao Zheng | 2023 | Chinese Journal of Mechanical Engineering2023，36，2： | 0 |
| 18 | Distortion Theorems and Schlicht Radius for p-Bloch Functions显示文摘In this paper, we establish distortion theorems for both normalized p-Bloch functions with branch points and normalized locally univalent p-Bloch functions defined on the unit disk, respectively. These distortion theorems give lower bounds on |f′(z)| and ■f′(z). As applications of these distortion theorems, the lower bounds of the radius of the largest schlicht disk on these Bloch functions are given, respectively. Notice that when p = 1, our results reduce to that of Liu and Minda. | Xiaohui ZHENG Jianfei WANG | 2013 | Journal of Mathematical Research with Applications2013，33，1： | 0 |
| 19 | 原发性气管主支气管恶性肿瘤的外科治疗(英文)显示文摘Objective:The aim of our study was to explore the clinical experience of surgical treatment for primary tracheobronchial malignant tumors.Methods:The clinicopathological data of 18 patients with primary tracheobronchial malignant tumors surgically treated from February 1994 to August 2007 were reviewed retrospectively.The surgical management included sleeve tracheal resection in 8 cases,lower trachea and carina resection with carina reconstruction in 4 cases,local enucleation of the tumor in 4 cases,left or right carino-pneumon-ection in 2 cases,and resection of the tracheal or bronchial tumor and reconstruction of the airway under cardiopulmonary bypass(CPB) in 6 cases.Results:Among the 18 cases,there were 7 adenoid cystic carcinomas,9 squamous cell carcinomas,1 lymphoepithelial-like carcinoma and 1 follicular non-Hodgkin lymphoma.All the cases recovered well except one who died of endotracheal bleeding and asphyxia at the 10th postoperative day.Conclusion:Surgical resection is the most effective treatment for primary tracheobronchial malignant tumors.The selection of operation modes should be individualized according to patients' condition.Both complete resection and safety should be taken into consideration simultaneously. | Hailong Wang Zhenzong Du Hua Ren Chaoji Zhang Jianfei Song Yuepei Liang Angui Li Min Zheng | 2010 | The Chinese-German Journal of Clinical Oncology2010，9，2： | 0 |
| 20 | MULTI-OBJECTIVE PROGRAMMING MODEL OF TROPICAL CROPS IN HAINAN ISLAND显示文摘According to Hainan Island’s biological characteristics, and existing structure of productivity of tropical crops and local climatic conditions, this paper carries on regional division of tropical crops by fuzzy mathematics. Based on calculation of basic parameters for tl1e formation of production, near-tem optimum models of tropical crops structure of each region was established by means of multi-objective programming, and a far-term grey programming model was set up through the above-mentioned near-term model and prediction of future parameters. Conclusion shows that the near-term programming may raise the profit by 5. 1-55.7 percent and far-tem programming by 54-90 percent, both gainingobvious economic benefits. | Zhou Zhaode(Department of Cultivation,South China College of Tropical Crops, Chanxian, Hainan 571700People’s Republic of China)Zheng Jianfei(Department of Agrometeorology,Bejing Agricultural University, Bejing 100094People’s Repulblic of China) | 1994 | Journal of Geographical Sciences1994，4，Z1： | 0 |
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