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| 1 | A randomized controlled clinical trial on the treatment of Thymosin-a1 versus interferon-α in patients with hepatitis B显示文摘INTRODUCTIONChronic hepatitis B virus (HBV) infection is a serious problem because of its world wide distribution and possible adverse sequelae ,such as cirrhosis and hepatocellular carcinoma .The World Health Organization estimates that HBV has infected mord than 350 million people worldwide ,and up to 20% of them will become chromic carricrs and will be at significant risk for cirrhosis and HCC .The ultimate goal of the therapy for chronic hepatitis B is to prevent progression to cirrhosis and to prevent development of HCC. | Jing You Lin Zhuang Bao Zhang Tang Wei Bo Yang Su Ying Ding Wu Li Rong Xue Wu Hong Li Zhang Yan Mei Zhang Shao Ming Yan Lu Zhang ~1Department of Infectious Diseases,The First Affiliated Hospital of Kunming Medical College,Kunming 650032,Yunnan Province,China ~2Departrnent of Hepatology,Kunming Third Municipal People’s Hospital,Kunming 650041,Yunnan Province,China | 2001 | World Journal of Gastroenterology2001，7，3： | 48 |
| 2 | Interannual variability of Antarctic Oscillation and its influence on East Asian climate during boreal winter and spring显示文摘The interannual variability of Antarctic Oscillation (AAO) and its influence on East Asian climate during both boreal winter and spring are addressed. The results show that the positive AAO anomaly decreases the cold activity over East Asia during both boreal winter and spring. AAO-related barotropic meridional teleconnection from Antarctic to Arctic is found through analysis of mean me- ridional circulations. This meridional teleconnection is remarkable over Eurasia during boreal winter and over the Pacific Ocean during boreal spring. The results also show that zonal mean zonal wind at high latitudes in Southern Hemisphere has well positive correlation with that of Eurasia during boreal winter and has negative correlation with Pacific North American teleconnection (PNA) during boreal spring, which again display the meridional teleconnection. Thus, local meridional teleconnection is a possible linkage for interaction of circulations at mid-high latitudes between both hemispheres. | FAN Ke1,2,3 & WANG Huijun2 1. Nansen-Zhu International Research Center, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China 2. Department of Atmospheric Science, Yunnan University, Kunming 650091, China 3. Graduate University of the Chinese Academy of Sciences, Beijing 100049, China | 2006 | Science China Earth Sciences2006，49，5： | 36 |
| 3 | Oscillation of Solutions of Nonlinear Partial Differential Equations of Neutral Type | Yu Yuanhong Liu Bin Liu Zhengrong Institute of Applied Mathematics, Academia Sinica, Beijing 100080, China Department of Mathematics, Hubei Normal College, Huangshi 435002. China Department of Mathematics, Yunnan University. Kunming 650091. China Institute of Applied Mathematics of Yunnan Province, Kunming 650091, China | 1997 | Acta Mathematica Sinica,English Series1997，13，4： | 39 |
| 4 | S-wave velocity and Poisson's ratio structure of crust in Yunnan and its implication显示文摘Receiver function of body wave under the 23 stations in Yunnan was extracted from 3-component broadband digital recording of teleseismic event. Thus, the S-wave velocity structure and distribution characteristics of Poisson's ratio in crust of Yunnan are obtained by inversion.The results show that the crustal thickness is gradually thinned from north to south. The crustal thickness in Zhongdian of northwest reaches as many as 62.0 km and the one in Jinghong of further south end is only 30.2 km. What should be especially noted is that there exists a Moho upheaval running in NS in the Chuxiong region and a Moho concave is generally parallel to it in Dongchuan. In addition, there exists an obvious transversal inhomogeneity for the S-wave veIocity structure in upper mantle and crust in the Yunnan region. The low velocity layer exists not only in 10.0-15.0 km in upper crust in some regions, but also in 30.0-40.0 km in lower crust.Generally, the Poisson's ratio is on the high side, however it has a better corresponding relation to the crustal velocity structure. An obvious block distribution feature is still shown on such a high background of Poisson's ratio. It is discovered by synthetically analyzing the velocity structure and Poisson's ratio distribution that there are high Poisson's ratio and complicated crust-mantle velocity structure feature in the Sichuan-Yunnan Diamond Block with Xiaojiang fault to be the east boundary and Yulong Snow Mountain fault to be the west boundary besides the frequent seismicity. This feature differs obviously from that of surrounding areas, which would provide geophysical evidence to deeply study the eastwardly flowage of lithospheric substances in the Qinghai-Tibet Plateau. | HU Jiafu, SU Youjin, ZHU Xiongguan & CHEN Yun Geophysical Department of Yunnan University, Kunming 650091, China Seismological Bureau of Yunnan Province, Kunming 650041, China Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100101, China | 2005 | Science China Earth Sciences2005，48，2： | 30 |
| 5 | Preliminary results of Thymosin-a1 versus interferon-α treatment in patients with HBeAg negative and serum HBV DNA positive chronic hepatitis B显示文摘INTRODUCTIONIn China ,the incidence and mortality of gastric cancer rank the second among all cancers. Recent development of cancer [1-20].The aim of this study was investigat the insight of apoptosis and bcl-2, p53 and C-myc protein expression in the development of gastric cancer . | Lin Zhuang Jing You Bao Zhang Tang Su Ying Ding Kui Hua Yan Dan Peng Yan Mei Zhang Lu Zhang ~1Department of Hepatology,Kunming Third Municipal Peoples Hospital,Kunming 650041,Yunnan Province,China ~2Department of Infectious Diseases,The First Affiliated Hospital of Kunming Medical College,Kunming 650032,Yunnan Province,China | 2001 | World Journal of Gastroenterology2001，7，3： | 22 |
| 6 | A 60-year journey of mycorrhizal research in China:Past,present and future directions显示文摘The significance of mycorrhizas(fungal roots in 90% of land plants) in plant nutrient acquisition and growth,element biogeo-chemical cycling and maintaining of terrestrial ecosystem structures has been globally established for more than 120 years.Great progress in mycorrhizal research in the past 60 years(1950-2009,1981-2009 in particular) has also been made across China,particularly in the mainland,Hong Kong and Taiwan.For instance,a total of 20 new and ~120 records of arbuscular mycorrhizal(AM) fungal species,30 new and ~800 records of ectomycorrhizal(EM) fungal species,a dozen of new and ~100 records of orchid mycorrhizal(OM) fungal species have been isolated by morphological observation and/or molecular identification in China since the 1950s.Great accomplishment has also been made in the following area,including fungal species richness and genetic structure,relationships between species composition and plant taxa,effects of mycorrhizal fungi on plant nutrient uptake and growth,resistances to pathogens and interactions with other soil microorganisms,potential of mycorrhizal fungi in phytoremediation and/or land reclamation,alterations of enzymatic activities in mycorrhizal plants,and elevated CO2 and O3 on root colonization and species diversity.Unfortunately,the international community cannot easily appreciate almost all Chinese mycorrhizal studies since the vast majority of them have been published in Chinese and/or in China-based journals.The aim of this review is to make a comprehensive exposure of the past and present China's major mycorrhizal research to the whole world,and then to suggest potential directions for the enhancement of future mycorrhizal research within and/or between the Chinese and international mycorrhizal community. | HE XinHua1,2,3*,DUAN YingHua2,CHEN YingLong4 & XU MingGang2 1School of Life Sciences,Yunnan Normal University,Kunming 650092,China 2Key Laboratory of Crop Nutrition and Fertilization,Ministry of Agriculture of China,Institute of Agricultural Resources and Regional Planning,Chinese Academy of Agricultural Sciences,Beijing 100081,China 3Centre for Ecosystem Management,School of Natural Resources,Edith Cowan University,Joondalup,WA 6027 State Centre of Excellence for Ecohydrology,School of Plant Biology,University of Western Australia,Crawley,WA 6009,Australia 4School of Earth and Environment,University of Western Australia,Crawley,WA 6009,Australia | 2010 | Science China(Life Sciences)2010，53，12： | 23 |
| 7 | Mineralization episode of porphyry copper deposits in the Jinshajiang-Red River mineralization belt: Re-Os dating显示文摘Re-Os isotopic dating for the molybdenites from the porphyry copper deposits of the Jinshajiang-Red River mineralization belt in Yunnan Province yields isochron ages of 33.9±1.1 Ma for the Machangqing deposit and 34.4±0.5 Ma for the Tongchang deposit. This result shows that both the Machangqing and the Tongchang porphyry Cu-Mo deposits from two different ore-fields formed simultaneously. This new data and the published Re-Os model ages of molybdenite (35.4 Ma, 35.9 Ma, 36.2 Ma) of the Yulong porphyry copper deposit in Tibet, which is located in the same Jinshajiang-Red River mineralization belt as the Machangqing deposit and the Tongchang deposit, suggest that these three Cenozoic porphyry copper deposits in the Jinshajiang-Red River mineralization belt were contemporary for their mineralization episode. That is to say, even their present locality is far away and nearly iso-distantly distributed, these three porphyry Cu(Mo) deposits belong to the same mineralization episode at the end of Eocene. | WANG Denghong, QU Wenjun, LI Zhiwei, YIN Hanlong4 & CHEN Yuchuan Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China National Center of Rock and Mineral Analysis, Chinese Academy of Geological Sciences, Beijing 100037, China Resource Assessment Center of Yunnan, Kunming 650011, China Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100101, China Chinese Academy of Geological Sciences, Beijing 100037, China | 2005 | Science China Earth Sciences2005，48，2： | 21 |
| 8 | STUDY ON THE SHOCK WAVE CRYSTALLIZATION OF AMORPHOUS ALLOYS BY DSC显示文摘Shock wave and annealing crystallization of amorphous alloys FeSiB, FeMoSiB andFeCuNbSiB were studied by isothermal and non-isothermal DSC technique. It wasfound that the shock wave crystallization is very perfect, the fraction crystallized isvery close to 100%, though the period of crystallization is very short, only about10-4-10-6 s. Their produced phases differ from the parent phase in structure andcomposition. The high velocity of the transformation is very difficult to explain by thediffusion theory of solid state phase transition. | H. Y. Zhao, H. Wang, Q.J. Liu, J.D. Kan and Z.Q. LiuDepartment of Materials Science and Engineering, Yunnan University, Kunming 650091, China | 2002 | Acta Metallurgica Sinica(English Letters)2002，15，5： | 18 |
| 9 | INFLUENCE OF NaCl DEPOSITION ON ATMOSPHERIC CORROSION OF A3 STEEL IN THE PRESENCE OF SO_2显示文摘The regularities of atmospheric corrosion of A3 steel deposited with different amountof NaCl exposed to the air containing 1ppm SO2 at 80% RH and 25℃ were studied inlaboratory. NaCl can accelerate the corrosion of A3 steel obviously under such con-dition. The relationship between the weight loss of A3 steel and the amount of NaCldeposition can be well described by using a quadratic function. Fourier transform in-frared spectroscopy (FTIR), X-ray diffraction (XRD), Scanning electron microscopyand electron dispersion X-ray analysis (SEM/EDAX) were used to characterize thecorrosion products. In the absence of NaCl, FeSO4 xH2O is the dominant corro-sion products, while Fe3O4, FeSO4@ H2O, β-FeOOH and γ-FeOOH dominate in thepresence of NaCl. | Q. Qu, C.W. Yan, L. Zhang , Y. Wan and C.N. CaoState Key Laboratory for Corrosion and Protection, Institute of Metal Research, The Chinese Academy of Sciences, Shenyang 110016, ChinaDepartment of Chemistry, Yunnan University, Kunming 650091, ChinaSchool of Chemical Science and Engineering, Liaoning University, Shenyang 110036, China | 2002 | Acta Metallurgica Sinica(English Letters)2002，15，5： | 13 |
| 10 | 微波场中甲烷部分氧化制合成气 Ⅱ.Co/ZrO_2催化剂在微波场中的升温行为及催化活性显示文摘近年来,甲烷部分氧化制合成气(POM)的研究一直十分活跃[1,2].前文报道了用于甲烷部分氧化制合成气的镍基催化剂(Ni/La2O3)在微波场中的升温行为和催化活性[3],发现在达到相同的CH4转化率时,微波活化方式下的催化剂床层温度比常规加热低得多... | Bi Xianjun 1, Xie Xiaoguang 2, Duan Aihong 1, Wang Zhen 3, Hong Pinjie 3, Dai Shushan 3 (1 Department of Chemistry, Yunnan Normal University, Kunming 650092 2 Modern Biological Center, Yunnan University, Kunming 650091 3 Department of Chemi | 1998 | 催化学报1998，19，5： | 13 |
| 11 | Sustainable Management of Planted Forests in China: Comprehensive Evaluation, Development Recommendation and Action Framework显示文摘China is one of the largest countries in the world in terms of planted forests area. Planted forests play an important role in soil and water conservation, food source, timber supply and energy security, but there are still many problems waiting for immediate resolution. Based on the current development status of planted forest in China, the paper made an comprehensive analysis for the positive impact and existing problems with regard to planted forests, and then came up with policy recommendations for promoting sustainable management of planted forests, mainly including: 1) to accelerate planted forests development and improve the quality; 2) to strengthen the protection and management, and quicken the development of planted forests; 3) to enhance the scientific planning for planted forests; 4) to reinforce the management for forests harvesting so as to promote the reasonable utilization of planted forests; 5) to perfect the management system for planted forest resources and improve the managerial capacity; 6) to complete related laws and regulations and improve the policy guarantee system; 7) to reinforce the forest tenure reform and establish a sound planted forest land transference system. Finally, the paper presented the future action framework for guiding the sustainable management of planted forests in China. | HE Youjun1 LI Zhiyong1 CHEN Jie1 LIU Yong1 LIU Daoping2 WU Shengfu3 QIN Yongsheng4 XU Zhijiang51. Research Institute of Forestry Policy and Information, Chinese Academy of Forestry(CAF), Beijing 100091, P. R. China 2. Quality Management Office and Department of Afforestation and Silviculture, State Forestry Administration(SFA), Beijing 100714, P. R. China 3. Green Panel Consulting, Beijing 100714, P. R. China 4. Beijing Forestry and Parks Department of International Cooperation, Beijing Municipal Bureau of Landscape and Forestry, Beijing 100029, P. R. China 5. International Cooperation Office, Yunnan Provincial Forestry Bureau, Kunmin 650021, P. R. China | 2008 | Chinese Forestry Science and Technology2008，7，3： | 12 |
| 12 | New Early Cambrian Chordates from Haikou, Kunming显示文摘Two new chordates, Cathaymyrus haikouensis Luo et Hu sp. nov. andZhongxiniscus intermedius Luo et Hu gen. et sp. nov. are studied in this paper. Both display numerous S-shaped myomeres on their trunk. C. haikouensis shows a long and slim body similar to that of Cathaymyrus diadexus Shu et al., Zhongxiniscus approaches to Myllokunmingia and Haikouichthvs in the dorsal fin, but differs in the myomeres. Zhongxiniscus may be the intermediate form between Ca thaymyrus and Myllokunmingia and Haikouichthys. | LUO Huilin, HU Shixue and CHEN Liangzhong Yunnan Institute of Geological Sciences, 131 Baita Road, Kunming 650011, Yunnan | 2001 | Acta Geologica Sinica(English Edition)2001，75，4： | 12 |
| 13 | Effect of caffeic acid phenethyl ester on proliferation and apoptosis of hepatic stellate cells in vitro显示文摘AIM: To investigate the role of nuclear factor-κB (NF-κB)inhibitor caffeic acid phenethy1 ester (CAPE) in the proliferation, collagen synthesis and apoptosis of hepatic stellate cells (HSCs) of rats.
METHODS: The HSCs from rats were isolated and cultured in Dulbecco's Modified Eagle's Medium (DMEM) and treated with CAPE. The proliferation and collagen synthesis of HSCs were determined by 3H-TdR and 3H-proline incorporation respectively, and the expression of type Ⅰ, Ⅲ procollagen genes was further explored byin situ hybridization. Apoptosis cell indices (AIs) were examined using terminal deoxynucleotidyl transferase- mediated DIG-dUTP nick end labeling (TUNEL).
RESULTS: Tn activated HSC in culture, CAPE significantly inhibited 3H-TdR and 3H-proline incorporation by HSCs at concentrations of 5 μmol/L and 10 μmol/L respectively. CAPE also reduced the type I procollagen gene expression (P<0.05)at higher concentration. Apoptosis of HSC was induced by CAPE and the AIs were time-and dose-dependently increased from 2.82+0.73 % to 7.66±1.25 % at 12 h (P<0.01) and from 3.15±0.88 % to 10.6L±2.88 % at 24 h (P<0.01).
CONCLUSION: CAPE inhibits proliferation and collagen synthesis of HSC at lower concentration and induces HSC apoptosis at higher concentration. | Wen-Xing Zhao Jing Zhao Chong-Li Liang Bing Zhao Rong-Qing Pang Xing-Hua Pan Medical Laboratory of Kunming General Hospital,Chengdu Command,Kunming 650032,Yunnan Province,China | 2003 | World Journal of Gastroenterology2003，9，6： | 12 |
| 14 | PERFORMANCE ANALYSIS OF POLLING SYSTEMS WITH LIMITED SERVICE显示文摘This paper analyzes a queue mode] of the polling system with limited service (K=1) in discrete time. By the imbedded Markov chain theory and the probability generating function method, the mean values of queue length and message waiting time are explicitly obtained. Also, we give the simulation results. The results obtained by H. Tagai (1985) are revised. | Zhao Dongfeng Li Bihai Zheng Sumin(Department of Information and Electronic Science, Yunnan University, Kunming 650091) | 1998 | Journal of Electronics(China)1998，15，1： | 12 |
| 15 | The evolution of cooperation in asymmetric systems显示文摘Explaining the 'Tragedy of the Commons' of the evolution of cooperation remains one of the greatest problems for both biology and social science.Asymmetrical interaction,which is one of the most important characteristics of cooperative systems,has not been sufficiently considered in the existing models of the evolution of cooperation.Considering the inequality in the number and payoff between the cooperative actors and recipients in cooperation systems,discriminative density-dependent interference competition will occur in limited dispersal systems.Our model and simulation show that the local but not the global stability of a cooperative interaction can be maintained if the utilization of common resource remains unsaturated,which can be achieved by density-dependent restraint or competition among the cooperative actors.More intense density dependent interference competition among the cooperative actors and the ready availability of the common resource,with a higher intrinsic contribution ratio of a cooperative actor to the recipient,will increase the probability of cooperation.The cooperation between the recipient and the cooperative actors can be transformed into conflict and,it oscillates chaotically with variations of the affecting factors under different environmental or ecological conditions.The higher initial relatedness(i.e.similar to kin or reciprocity relatedness),which is equivalent to intrinsic contribution ratio of a cooperative actor to the recipient,can be selected for by penalizing less cooperative or cheating actors but rewarding cooperative individuals in asymmetric systems.The initial relatedness is a pivot but not the aim of evolution of cooperation.This explains well the direct conflict observed in almost all cooperative systems. | WANG RuiWu1 & SHI Lei2 1 State Key Laboratory of Genetic Resources and Evolution,Kunming Institute of Zoology,Chinese Academy of Science,Kunming 650223,China 2 Statistics and Mathematics College,Yunnan University of Finance and Economics,Kunming 650221,China | 2010 | Science China(Life Sciences)2010，53，1： | 11 |
| 16 | Inducement of chromosome translocation with small alien segments by irradiating mature female gametes of the whole arm translocation line显示文摘Haynaldia villosa Schur. (syn. Dasypyrum villosum Candargy, 2n=14, VV) has been proved to be an important genetic resource for wheat improvement. The development of translocation with small alien chromosome segments, especially interstitial translocation, will be helpful for better utilization of its useful genes. Up to now, most of the reported Triticum aestivum – H. villosa translocation lines are involved in a whole arm or large alien fragments. In this paper, we report a highly efficient approach for the creation of small chromosome segment translocation lines. Before flowering, the female gametes of wheat-H. villosa 6VS/6AL translocation line were irradiated by 60CO-γ ray at 160 Rad/M dosage rate and three dosages (1600, 1920, 2240 Rad). Anthers were removed from the irradiated florets on the same day and the florets were pollinated with normal fresh pollens of T. aestivum cv. Chinese Spring after 2-3 days. Genomic in situ hybridization (GISH) at mitosis metaphase of root-tip cell of M1 plants was used to detect the chromosome structural changes involving 6VS of H. villosa. Among the 534 M1 plants screened, 97 plants contained small segment chromosome structural changes of 6VS, including 80 interstitial translocation chromosomes, 57 terminal translocation chromosomes and 55 deletion chromosomes. For the 2240 Rad dosage treatment, the inducement frequencies of interstitial translo-cation, terminal translocation and deletion were 21.02%, 14.01%, and 14.65%, respectively, which were much higher than those previously reported. The M2 seeds were obtained by backcrossing of 74 M1 plants involving 146 chromosomes structural changes of 6VS, and it was found that the structural aberrations in the M1 plants could be transmitted to their progenies. Irradiating mature female gametes of whole arm translocation is a new and highly efficient approach for creation of small segment chromosome struc-tural changes, especially for interstitial translocations. | CHEN ShengWei1,2, CHEN PeiDu1 & WANG XiuE1 1 National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China 2 College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China | 2008 | Science China(Life Sciences)2008，51，4： | 11 |
| 17 | Effect of the Transient Response in Si/Ge Parallelizing PN Junction显示文摘There are some new results about photovoltaic transient response in the new effect. We suggest a theoretical model to explain the effect reasonably. The theoretical calculation results agree with that in experiments. | Weiqi HUANGt and Chaogang CHEN(Department of Physics, Guizhou Educational College, Guiyan 550003, China)Ergang CHEN(Department of Physics, Yunnan University, Kunming 650091, China)To whom correspondence should be addressed | 1999 | Journal of Materials Science & Technology1999，15，4： | 10 |
| 18 | 世界自然遗产地──“三江并流”的概况及其保护工作的进展显示文摘'三江并流'地区地处东亚、南亚和青藏高原三大地理区域的交汇处。在地质上,是青藏高原的东南延伸部分、横断山脉的主体,是世界上挤压最紧、压缩最窄的巨型复合造山带;是欧亚大陆主要的动、植物分化中心和起源中心;'三江并流'地区由于其独特的地理位置,一直是珍稀和濒危动、植物的避难所。2003年7月2日,联合国教科文组织第27届世界遗产大会以'三江并流'满足世界自然遗产的全部4条标准,将其列入《世界遗产名录》。目前,'三江并流'地区是我国面积最大的世界遗产地,是我国生物多样性最丰富的地区,名列中国生物多样性保护17个'关键地区'的第一位。通过科学规划、建立监测系统、保护性建设、依法行政等手段,将'三江并流'世界自然遗产地建成生态系统协调,生物多样性、文化多样性和景观多样性保持完好的区域。 | Yunnan Province Three Parallel Rivers Administration Bureau | 2010 | 中国园林2010，26，5： | 10 |
| 19 | SOME DIAGNOSTICS IN NONLINEAR REPRODUCTIVE DISPERSION MODELS显示文摘This article discusses the problem of the detection of influential cases in nonlinear reproductive dispersion models (NRDM). A diagnostic based on case\|deletion approach in estimating equations is proposed. The relationships between the generalized leverage defined by Wei et al. in 1998, statistical curvature, and the local influence of the response vector perturbations are investigated in NRDM. Two numerical examples are given to illustrate the results. | Tang Niansheng 1,2 \ Wei Bocheng 1\ Wang Xueren 21 Dept. ofAppl.Math., SoutheastUniv.,Nanjing 210096.2 Adult Education College,Yunnan Univ.,Kunm ing 650091. | 2000 | Applied Mathematics(A Journal of Chinese Universities)2000，15，1： | 9 |
| 20 | GLOBAL AND LOCAL BIFURCATION IN PERTURBATIONS OF NON-SYMMETRY AND SYMMETRY OF HAMILTONIAN SYSTEM显示文摘GLOBALANDLOCALBIFURCATIONINPERTURBATIONSOFNON-SYMMETRYANDSYMMETRYOFHAMILTONIANSYSTEM￥LIUZhengrong(InstituteofAppliedMathemati... | LIU Zhengrong(Institute of Applied Mathematics of Yunnan Province Department of Mathematics,Yunnan University,Kunming 650091,China)JING Zhujun(Institute of Mathematics,Academia Sinica,Bejiing 100080,China) | 1995 | Systems Science and Mathematical Sciences1995，8，4： | 8 |
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