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| 1 | Relationship between increase rate of human plague in China and global climate index as revealed by cross-spectral and cross-wavelet analyses显示文摘Plague has caused the death of hundreds of millions of people throughout the human history.Today this disease is again re-emerging and hence is again becoming an increasing threat to human health in several parts of the world.However,impacts of global climate variation(e.g.El Nino and Southern Oscillation[ENSO])and global warming on plagues are largely unknown.Using cross-spectral analysis and cross-wavelet analysis,we have analyzed the relationship between increase rate of human plague in China during 1871–2003 and the following climate factors(as measured by the Southern Oscillation Index[SOI],Sea Surface Temperature of east Pacific equator[SST]and air Temperature of the Northern Hemisphere[NHT]).We found in the frequency domain that increase rate of human plague was closely associated with SOI and SST.Cross-spectral analysis reveals that significant coherencies between increase rate of human plague and ENSO were found over short periods(2–3 years),medium periods(6–7 years)and long periods(11–12 years,30–40 years).Cross-wavelet analysis reveals that increase rate of human plague oscillates in phase with SOI,but in anti-phase with SST over periods of 2–4 years and approximately 8 years(6–10 years).These results indicate that ENSO-driven climate variation may be important for occurrences of human plague in China.However,there is a need for a further analysis of the underlying mechanism between human plague in China and ENSO. | Zhibin ZHANG Zhenqing LI Yi TAO Min CHEN Xinyu WEN Lei XU Huidong TIAN Nils Chr.STENSETH | 2007 | Integrative Zoology2007,2,3: | 3 |
| 2 | In-situ observation of electrical tree evolution in epoxy dielectrics with internal cracks显示文摘Gas-filled internal crack might appear in thermoset materials like epoxy resin during the equipment manufacturing,which would become a vulnerable local region to initiate the electrical tree,thus prone to cause insulation failure.The withstand voltage test was carried on epoxy samples with artificial cracks based on a rod-plane electrode arrange-ment.Simultaneously,surface state variation and tree evolution with crack were observed by an optical microscope in conjunction with a charge-coupled device camera.The changes in morphology and chemical status of the crack surface were characterized by scanning electron microscopy,laser Raman spectrometer and energy dispersive spec-trometer,respectively.It was found that the erosion and tree started from the borderline of crack under a relatively low electric field strength;however,the area near the electrode had relatively little damage.The breaking of epoxy molecular chains coarsens the crack surface and further forms deep channels on a micro-level,which is the forerunner of the electrical tree inception.Based on these,the initiation mechanisms of the crack-induced electrical tree and the reasons for the erosion near the borderline have been revealed.This study provides a train thought for the polymer degradation opening up into the initial tree channel during tree evolution processes. | Zehua Wu Huidong Tian Sijia Zhu He Li Qingyu Wang Zongliang Xie Peng Liu Zongren Peng | 2021 | High Voltage2021,6,2: | 3 |
| 3 | Periodic climate cooling enhanced natural disasters and wars in China during AD 10–1900显示文摘 | Zhang Zhibin Tian Huidong Cazelles Bernard Kausrud Kyrre L. Br?uning Achim Guo Fang Stenseth Nils Chr | 2010 | Proceedings of the Royal Society B2010,,1701: | 1 |
| 4 | Why the crested ibis declined in the middle twentieth century显示文摘 | Xinhai Li Huidong Tian Dianmo Li | 2009 | Biodiversity and Conservation2009,,8: | 1 |
| 5 | Petrology, mineralogy, and geochemistry of the Ge-rich coal from the Wulantuga Ge ore deposit, Inner Mongolia, China: New data and genetic implications显示文摘 | Shifeng Dai Xibo Wang Vladimir V. Seredin James C. Hower Colin R. Ward Jennifer M.K. O’Keefe Wenhui Huang Tian Li Xiao Li Huidong Liu Weifeng Xue Lixin Zhao | 2011 | International Journal of Coal Geology2011,,: | 1 |
| 6 | Periodic climate cooling enhanced natural disasters and wars in China during AD 10–1900显示文摘 | Zhang Zhibin Tian Huidong Cazelles Bernard Kausrud Kyrre L. Br?uning Achim Guo Fang Stenseth Nils Chr | 2010 | Proceedings of the Royal Society B . 2010 (1701)2010,,1701: | 1 |
| 7 | Periodic climate cooling enhanced natural disasters and wars in China during AD 10–1900显示文摘 | Zhang Zhibin Tian Huidong Cazelles Bernard Kausrud Kyrre L. Br?uning Achim Guo Fang Stenseth Nils Chr | 2010 | Proceedings of the Royal Society B2010,,1701: | 1 |
| 8 | Climate change induced range shifts of Galliformes in China显示文摘Climate change will cause range shifts of many species in the future.Galliformes might be particularly vulnerable to climate change,as they have low dispersal ability.Little is known about their possible responses to the future climate.We used a generalized additive model to predict the current and future ranges of all 63 Galliformes in China,based on a comprehensive species occurrence database and a combination of climate variables.Other environmental variables(e.g.elevation and human footprint index)were also considered,as well as the latitude and longitude of the occurrences.Principal component analysis was conducted to illustrate the association between environmental variables and Galliformes distributions.Using the Special Report on Emissions Scenarios(SRES)A2 climate change scenario for 2071–2100,we projected that 29 species would have range shifts over 50%,including 13 endemic species.Galliformes at higher elevation face greater range shifts.Northward shifts are greater than those in other directions.We suggest conservationists pay special attention to the 29 Galliformes that face extensive range shifts,especially the endemic species among them. | Renqiang LI Huidong TIAN Xinhai LI | 2010 | Integrative Zoology2010,5,2: | 0 |
| 9 | Research on the dynamic characteristics of electric field distribution of the±1100 kV Ultra high voltage converter transformer valve‐side bushing using weakly ionised gas conductance model显示文摘Ultra high voltage(UHV)converter transformer valve‐side bushings are the key equipment indirect current(DC)transmission projects,and are subjected to high voltage and large current with large number of harmonics simultaneously.The electric field distribution of converter transformer valve‐side bushings is time‐dependent under DC voltage,polarity reversal voltage and actual voltage waveforms,and the electric and temperature field are coupling with each other in actual operation.The dynamic char-acteristics of the surface charges and the electric field distribution of China's first�1100 kV epoxy/paper-SF6 composite insulation converter trans former valve‐side bushing under 2 h DC withstand test voltage and polarity reversal voltage were analysed considering the natural ionisation,drifting,diffusion and recombination processes of positive and negative ions in SF6 gas and air.The time‐dependent electro‐thermal coupling field of the bushing under the actual voltage waveform in one cycle was ob-tained.The rationality of the simulation method adopted was verified through type tests of the UHV converter transformer valve‐side bushing.The simulation results of the paper can provide a theoretical foundation for the design of converter transformer valve‐side bushings and it is of great significance to ensure the safe operation of converter stations. | Qingyu Wang Peng Liu Huidong Tian Gengsheng Xie Zongren Peng Xi Yang | 2022 | High Voltage2022,7,2: | 0 |