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33篇 您的检索式:作者名="Zhang Bingyi"
    题名 作者 年代 出处 被引量
1Effects of autumn-winter Arctic sea ice on winter Siberian High显示文摘The intensity of the winter Siberian High has significantly negative correlations with Arctic sea ice concentration anomalies from the previous autumn to winter seasons in the Eastern Arctic Ocean and Siberian marginal seas. Our results indicate that autumn-winter Arctic sea ice concentration and concurrent sea surface temperature anomalies are responsible for the winter Siberian High and surface air temperature anomalies over the mid-high latitudes of Eurasia and East Asia. Numerical experiments also support this conclusion, and consistently show that the low sea ice concentration causes negative surface air temperature anomalies over the mid-high latitudes of Eurasia. A mechanism is proposed to explain the association between autumn-winter sea ice concentration and winter Siberian High. Our results also show that September sea ice concentration provides a potential precursor for winter Siberian High that cannot be predicted using only tropical sea surface temperatures. In the last two decades (1990–2009), a strengthening trend of winter Siberian High along with a decline trend in surface air temperature in the mid-high latitudes of the Asian Continent have favored the recent frequent cold winters over East Asia. The reason for these short-term trends in winter Siberian High and surface air temperature are discussed.WU BingYi SU JingZhi ZHANG RenHe 2011Chinese Science Bulletin2011,56,30:70
2Arctic dipole anomaly and summer rainfall in Northeast China显示文摘A dipole structure anomaly in summer Arctic atmospheric variability is identified in this study, which is characterized by the second mode of empirical orthogonal function (EOF) analysis of summer monthly mean sea level pressure (SLP) north of 70°N, accounting for 12.94% of the variance. The dipole anom- aly shows a quasi-barotropic structure with opposite anomalous centers over the Canadian Arctic and the Beaufort Sea and between the Kara Sea and the Laptev Sea. The dipole anomaly reflects alternating variations in location of the polar vortex between the western and eastern Arctic regions. The positive phase of the dipole anomaly corresponds to the center of the polar vortex over the western Arctic, leading to an increase in summer mean rainfall in Northeast China. The dipole anomaly has a pre- dominant 6-year periodicity, and shows interdecadal variations in recent decades.WU BingYi ZHANG RenHe D'Arrigo ROSANNE 2008Chinese Science Bulletin2008,53,14:13
3Current status of pediatric kidney transplantation in China: data analysis of Chinese Scientific Registry of Kidney Transplantation显示文摘Liu Longshan Zhang Huanxi Fu Qian Chen Liping Sun Chuanhou Xiong Yunyi Shi Bingyi Wang Changxi 2014Chinese Medical Journal2014,,3:10
4Interdecadal shift in the western North Pacific Summer SST anomaly in the late 1980s显示文摘An interdecadal shift in summer (June―August) sea surface temperature (SST) variations during the period of 1968―2002 was identified in the late 1980s, which is characterized by a phase alternating from negative to positive phases of the leading mode of the empirical orthogonal function (EOF) analysis of the summer monthly mean SST in the Pacific domain 100°―180°E and 0°―40°N, accounting for 30.5% of the total variance. During the period of 1968―1987, the leading mode with a mean negative phase state (mean standard deviation = ?0.586) controlled SST variability in the western North Pacific. Correspondingly, negative SST anomalies occupied the western North Pacific south of Japan and Chinese marginal seas. During the period of 1988―2002, the leading mode shifted to its strong positive polarity (mean standard deviation = 0.781), thus positive SST anomalies appeared in the western North Pacific. Accompanied by the interdecadal shift in summer mean SST, summer mean rainfall increased in southern and southeastern China during the late period, particularly in southeastern China where increase in summer mean rainfall exceeded 40 mm, at the 0.05 significance level.WU BingYi ZHANG RenHe 2007Chinese Science Bulletin2007,52,18:9
5Free vibration analysis of a pre-twisted sandwich blade with thermal barrier coatings layers显示文摘A rotating cantilever sandwich-plate model with a pre-twisted and pre-set angle has been developed to investigate the vibrational behavior of an aero-engine turbine blade with thermal barrier coating(TBC) layers. The classic von Karman plate theory and the first-order shear deformation theory are applied to derive the energy equations of the rotating TBC blade, in which the geometric shapes, the work ambient temperature, and the TBC material properties are considered. The Chebyshev-Ritz method is used to obtain the nature frequency of the rotating TBC blade. For static frequency and modal analysis, the finite-element method(FEM)is also applied to compare and validate the results from the Chebyshev-Ritz method. A good agreement is found among these kinds of methods. For dynamic frequency, the results are analyzed in detail concerning the influence of system parameters such as the thickness of the TBC layer, the working temperature, and the pre-twisted and pre-set angle. Finally, the Campbell diagram is demonstrated to analyze the resonance property of the cantilever sandwich TBC blade model.CAO DongXing LIU BingYi YAO MingHui ZHANG Wei 2017Science China(Technological Sciences)2017,60,11:7
6Inter-decadal variations of springtime rainfall over southern China mainland for 1979-2004 and its relationship with Eurasian snow显示文摘This study analyzes the inter-decadal variations of rainfall over southern China in spring (March-April-May) using the observed precipitation data for 1979-2004. The result shows that the variations of spring rainfall over southeastern China are opposite to those over and southwestern China in both inter-annual and inter-decadal time scales. The precipitation over south- ern China exhibits an apparent inter-decadal shift in the late 1980s. The accumulated spring rainfall has reduced 30% over southeastern China after the late 1980s, whereas it has increased twice as much over southwestern China. The atmospheric circulations related to this shift show that an abnormal high at lower and middle troposphere appears over Asian middle and high latitudes, accompanied by stronger-than-normal northerly wind over eastern China. Consequently, the wet air flows from tropical oceans are weakened over southern China, resulting in less rainfall over southeastern China and more rainfall over southwestern China. Furthermore, the anomalous atmospheric circulation over Asian middle and high latitudes is closely related to the inter-decadal downward shift of Eurasian spring snow in the late 1980s, indicating that the inter-decadal shift of Eurasian spring snow in the late 1980s is probably an important factor in the decadal shift of spring rainfall over southern China.ZUO ZhiYan ZHANG RenHe WU BingYi 2012Science China Earth Sciences2012,55,2:5
7Response of the East Asian climate system to water and heat changes of global frozen soil using NCAR CAM model显示文摘在陆地空气热和水保存的条件下面,一套敏感数字实验被设置调查东方亚洲气候系统的反应到全球冻结的土壤变化。这被介绍 supercooled 土壤水过程进社区陆地模型(CLM3.0 ) 做,它被联合了到大气的研究社区空气模型(CAM3.1 ) 的国家中心。结果显示出那:(1 ) 在在 CLM3.0 的土壤冰和土壤水之间的比率被 supercooled 土壤水过程清楚地改变。地面表面温度和土壤温度也被影响。(2 ) 欧亚(包括的东方亚洲人) 气候系统在冻结的土壤区域对热和水的变化敏感。在 1 月,阿留申群岛之土人低海水平压力发行量被加强,在 500 hPa 高堵住的乌拉尔变弱,并且东方亚洲马槽变弱。在 7 月,在阿留申群岛之土人岛区域上的海水平压力显著地被减少;在东方亚洲海洋上有在东方亚洲大陆,和积极异例上的 500 hPa geopotential 高度的否定异例。(3 ) 在 1 月,在东亚上的 850 hPa 风地的南方的部件增加,显示削弱的冬季季风。在 7 月,当在海洋上有逆旋风的异例时,气旋的异例出现在东方亚洲大陆上,加强的东方海岸夏天季风反射。(4 ) 在东亚的夏天降雨显著地变化了,包括南部的 Qinghai 西藏高原,中央长江盆,和东北中国上的实质的降水增加。夏天降雨显著地在华南和海南岛减少了,但是稍微减少了在中央并且北方中国。进一步的分析沿着 30 显示出可观的上面的空气运动吗??XIN YuFei WU BingYi BIAN LinGen LIU Ge ZHANG Lin LI Ren 2012Chinese Science Bulletin2012,57,34:5
8The zonal propagating characteristics of low-frequency oscillation over the Eurasian mid-high latitude in boreal summer显示文摘Using 32-yr National Centers for Environment Prediction-National Center for Atmospheric Research(NCEP-NCAR) reanalysis data,we investigated zonal propagation and circulation characteristics of the low-frequency circulation for the prevailing period over Eurasian mid-high latitude in boreal summer(May-August) in terms of empirical orthogonal function(EOF),linear regression,and phase analysis and so on.We found that the dominant periods of the low-frequency circulation are 10-30 days and it clearly shows meridional(southward) and zonal(westward) propagation features at the middle troposphere(500 hPa).The average zonal speed of the 10-30 days low-frequency oscillation(LFO) is about 9-10 longitudes per day.Further analysis shows that the southernmost part of the polar vortex in the northern hemisphere exhibits westward clockwise rotation in the eastern hemisphere in boreal summer.Also,the southernmost tips of 5400 and 5500 gpm contours,which indicate the site of the major trough in the eastern hemisphere,obviously move westwards.The southernmost tip of 5500 gpm contour line propagates westwards at the speed of about 9-10 longitudes per day,which is consistent with the mean zonal speed of the westward propagation of the low-frequency circulation.Moreover,the 10-30-day LFO-related cold air also shows west propagation feature with respect to LFO phases.The westward propagation of the LFO is the low-frequency-scale embodiment of the clockwise rotation of polar vortex.The cold air activities closely related to polar vortex or to ridge-trough system activities is the essential circulation of 10-30 days LFO circulation over the Eurasian mid-high latitude in boreal summer.YANG ShuangYan WU BingYi ZHANG RenHe ZHOU ShunWu 2013Science China Earth Sciences2013,56,9:4
9Adhesive anastomosis for organ transplantation显示文摘The recent development of tough tissue adhesives has stimulated intense interests among material scientists and medical doctors.However,these adhesives have seldom been tested in clinically demanding surgeries.Here we demonstrate adhesive anastomosis in organ transplantation.Anastomosis is commonly conducted by dense sutures and takes a long time,during which all the vessels are occluded.Prolonged occlusion may damage organs and even cause death.We formulate a tough,biocompatible,bioabsorbable adhesive that can sustain tissue tension and pressurized flow.We expose the endothelial surface of vessels onto a gasket,press two endothelial surfaces to the adhesive using a pair of magnetic rings,and reopen the bloodstream immediately.The time for adhesive anastomosis is shortened compared to the time for sutured anastomosis.We have achieved adhesive anastomosis of a great vein in transplanting the liver of a pig.After the surgery,the adhesive is absorbed,the vein heals,and the pig lives for over one month.Kang Liu Hang Yang Gaobo Huang Aihua Shi Qiang Lu Shanpei Wang Wei Qiao Haohua Wang Mengyun Ke Hongfan Ding Tao Li Yanchao Zhang Jiawei Yu Bingyi Ren Rongfeng Wang Kailing Wang Hui Feng Zhigang Suo Jingda Tang Yi Lv 2022Bioactive Materials2022,7,7:3
10ANALYTICAL VARIATIONAL METHOD OF SOLUTION FOR STRESS CONCENTRATION FACTORS OF FINITE PLATES WITH A PIN HOLE显示文摘ANALYTICALVARIATIONALMETHODOFSOLUTIONFORSTRESSCONCENTRATIONFACTORSOFFINITEPLATESWITHAPINHOLEXiYuanshan;ZhangXing(Departmentof...Xi Yuanshan Zhang Xing(Department of Flight Vehicle Design and Applied Mechanics, Beijing University of Aeronautics and Astronautics, Beijing, Cina, 100083)Ren Bingyi Luo Anmin(Chendu Aircraft Industrial Corporation, Chendu, China, 610041) 1996Chinese Journal of Aeronautics1996,9,1:2
11Plasma thrombomodulin changes in acute cerebral infarction or hypertension patients An observation for verification显示文摘BACKGROUND: Thrombomodulin concentration greatly increases in plasma when vascular endothelial cells are injured, and it is one of the specific molecular markers for endothelial injury. OBJECTIVE: To analyze the plasma levels of thrombomodulin after cerebral infarction or hypertension, and to compare levels with those from healthy control subjects. DESIGN: A case-controlled observation. SETTING: Yuquan Hospital of Tsinghua University. PARTICIPANTS: Patients with hypertension (n = 37) and acute cerebral infarction (n = 26) were selected from the outpatient and inpatient Department of Neurology, Yuquan Hospital of Tsinghua University from February 2003 to February 2006. The cerebral infarction group consisted of 24 males and 2 females, 36-77 years of age, with a mean age of 62 years. All patients fulfilled the diagnosis criteria for cerebral infarction, according to the diagnostic standards revised by the Second National Academic Meeting for Cerebrovascular Disease, and were confirmed by CT or MRI. The hypertension group consisted of 27 males and 10 females, 36-77 years of age, with a mean age of 56 years. These patients fulfilled the diagnostic criteria for hypertension set by WHO. In addition, 43 healthy physical examinees were selected as the control group, consisting of 23 males and 20 females, 35-67 years of age. Informed consent was obtained from all participants. METHODS: In the cerebral infarction group, thrombomodulin plasma levels were determined by enzyme-linked immunoabsorbent assay at days 1, 3, 7, and 14 after attack. Thrombomodulin plasma levels were determined only once in the hypertension group and the control group. The results from the cerebral infarction group were compared with those from the hypertension group and the control group. MAIN OUTCOME MEASURES: Level of thrombomodulin in plasma. RESULTS: All 63 patients and 43 healthy volunteers were included in the final analysis of results. ① At 7 days after the attack, the plasma levels of thrombomodulin in the cerebral infarction and the hypertension groups were significantly higher than in the control group (P < 0.01). ② The plasma level of thrombomodulin was detected at four time points after cerebral infarction. It reached peak values on day 7, and it was lowest on day 14. CONCLUSION: The changes of thrombomodulin plasma levels could be used to monitor the severity of vascular endothelial cell injury in acute cerebral infarction.Pu Feng Hui Zhang Bingyi Yang Yonggang Zheng Jinhui Xie Ying Wang Jinchuan Li 2008Neural Regeneration Research2008,3,1:2
12Dominant patterns of winter Arctic surface wind variability显示文摘Dominant statistical patterns of winter Arctic surface wind(WASW) variability and their impacts on Arctic sea ice motion are investigated using the complex vector empirical orthogonal function(CVEOF) method. The results indicate that the leading CVEOF of Arctic surface wind variability, which accounts for 33% of the covariance, is characterized by two different and alternating spatial patterns(WASWP1 and WASWP2). Both WASWP1 and WASWP2 show strong interannual and decadal variations, superposed on their declining trends over past decades. Atmospheric circulation anomalies associated with WASWP1 and WASWP2 exhibit, respectively, equivalent barotropic and some baroclinic characteristics, differing from the Arctic dipole anomaly and the seesaw structure anomaly between the Barents Sea and the Beaufort Sea. On decadal time scales, the decline trend of WASWP2 can be attributed to persistent warming of sea surface temperature in the Greenland—Barents—Kara seas from autumn to winter, reflecting the effect of the Arctic warming. The second CVEOF, which accounts for 18% of the covariance, also contains two different spatial patterns(WASWP3 and WASWP4). Their time evolutions are significantly correlated with the North Atlantic Oscillation(NAO) index and the central Arctic Pattern, respectively, measured by the leading EOF of winter sea level pressure(SLP) north of 70°N. Thus, winter anomalous surface wind pattern associated with the NAO is not the most important surface wind pattern. WASWP3 and WASWP4 primarily reflect natural variability of winter surface wind and neither exhibits an apparent trend that differs from WASWP1 or WASWP2. These dominant surface wind patterns strongly influence Arctic sea ice motion and sea ice exchange between the western and eastern Arctic. Furthermore, the Fram Strait sea ice volume flux is only significantly correlated with WASWP3. The results demonstrate that surface and geostrophic winds are not interchangeable in terms of describing wind field variability over the Arctic Ocean. The results have important implications for understanding and investigating Arctic sea ice variations: Dominant patterns of Arctic surface wind variability, rather than simply whether there are the Arctic dipole anomaly and the Arctic Oscillation(or NAO), effectively affect the spatial distribution of Arctic sea ice anomalies.WU Bingyi John Walsh LIU Jiping ZHANG Xiangdong 2014Advances in Polar Science2014,25,4:2
13Identification of tissue-specific genes in nasopharyngeal epithelial tissue and differentially expressed genes in nasopharyngeal carcinoma by suppression subtractive hybridization and cDNA microarray显示文摘Bicheng Zhang Xinmin Nie Bingyi Xiao 2003Genes Chromosomes & Cancer2003,38,1:1
14Design and Characteristic Analysis on Direct Drive Permanent Magnet Synchronous显示文摘Bingyi Zhang Zhongcheng Huang Guihong Feng 2011Proceeding of 2011 International Conference on ElectricalMachinesandSystems(ICEMS)2011,,8:1
15De- sign and Characteristic Analysis on Direct Drive Permanent Magnet Synchronous 显示文摘Bingyi Zhang Zhongcheng Huang Guihong Feng 2011Proceeding of 2011 International Conference on Electrical Machines and Systems (ICEMS)2011,,8:1
16Fractional Alpha Stable Network Traffic Model and Its Application in QoS Routing显示文摘Zhang Bingyi Sun Yamin 2006Elsevier Journal of Network and Computer Applications2006,29,1:1
17Linear Discriminant Analysis in Network Traffic Modeling显示文摘Zhang Bingyi Sun Yamin Bian Yulan 2006International Journal of Communication Systems2006,19,1:1
18Correlates of Sexual Lifestyles Among Older Adults Living With HIV in China: Findings From the Sexual Well-being (SWELL) Study显示文摘Sexual lifestyles are closely related to overall human health and well-being.Few studies have focused on sexual lifestyles among older adults living with HIV(OALHIV),especially in low-and middle-income countries.This study is a part of the sexual well-being among older adults in China(SWELL)study,which is a multicenter cross-sectional study focused on sexual health among older adults aged 50 years and older.Participants were 680 OALHIV(≥50 years old)from the SWELL study conducted from June 2020 to December 2022.Data were collected through one-on-one interviews.We used logistic regression to assess the correlates of sexual activity and sexual satis-faction.Among all participants,37.1%were sexually active.Being older,male,in a steady relationship and employed were associated with being sexually active.The prevalence of sexual satisfaction was 69.8%among sexually active OALHIV.Being homosexual and reporting a better general health status were associated with sexual satisfaction.The OALHIV who have depressive symptoms were less likely to report sexual satisfaction.To support holistic healthy aging among OALHIV,it is important for healthcare providers to be educated about the importance of enquiring about sexual activity,satisfaction and problems and addressing concerns while conveying sex-positive attitudes during clinical reviews,as these are still critical aspects of their health and well-being.Bingyi Wang Xin Peng Leiwen Fu Xinyi Li Tongxin Shi Bowen Liang Tian Tian Thomas Fitzpatrick Zhen Lu Weijie Zhang JunyeBian Xin Xiao YingWang Yunlong Ao Lin Ouyang YongCai Maohe Yu Guohui Wu Linghua Li Xiaojun Meng Huachun Zou 2023Infectious Microbes & Diseases2023,5,3:1
19Analysis of magnetic field for low speed and high torque permanent magnet synchronous machine 显示文摘Feng Guihong Wang Lifeng Zhang Bingyi 2003Electrical Machines and Systems2003,6,2:1
20Joint Inversion of PP and PS Waves Elastic Impedance 显示文摘Zhang Guangzhi Du Bingyi Chen Huaizhen 2014Journal of Jilin University (Earth Science Edition)2014,44,5:1
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