نتایج جستجو برای: tibet

تعداد نتایج: 4205  

Journal: :Zootaxa 2014
Chufei Tang Lili Zhang Ding Yang

Previously only ten species of Hercostomus Loew were known to occur in Tibet, of which only two belong to the H. baishanzuensis group. Here the following six species of the H. baishanzuensis group are described as new to science: Hercostomus bisetus sp. nov., H. deltodontus sp. nov., H. flavus sp. nov., H. galonglaensis sp. nov., H. nuciformis sp. nov. and H. pailongensis sp. nov. A key to the ...

Journal: :Animal : an international journal of animal bioscience 2007
L F Zhang L S Lian C J Zhao J Y Li H G Bao Ch Wu

The problem of hypoxia adaptation in high altitudes is an unsolved brainteaser in the field of the life sciences. As one of the best chicken breeds with adaptability to highland environment, the Tibet chicken, is genetically different from lowland chicken breeds. It is well known that hypoxia has significant impact on growth by inducing the expression of the alpha subunit of the heterodimeric t...

2015
Xiao-Yan Tao Zhen-Yang Guo Hao Li Wen-Tao Jiao Xin-Xin Shen Wu-Yang Zhu Simon Rayner Qing Tang Charles E Rupprecht

In China, rabies remains an ongoing threat to public health. Although control efforts have been effective in reducing the number of annual cases, the virus continues to spread into new areas. Tibet, Qinghai, Gansu and Ningxia in western China have, until recently, reported only a handful of events. However, since 2011, there have been increasing numbers of cases recorded in these areas. In this...

2017
Min Chen Fenglin Niu Jeroen Tromp Adrian Lenardic Cin-Ty A Lee Wenrong Cao Julia Ribeiro

Long-standing debates exist over the timing and mechanism of uplift of the Tibetan Plateau and, more specifically, over the connection between lithospheric evolution and surface expressions of plateau uplift and volcanism. Here we show a T-shaped high wave speed structure in our new tomographic model beneath South-Central Tibet, interpreted as an upper-mantle remnant from earlier lithospheric f...

2009

Using the data taken from Tibet II High Density (HD) Array (1997 February1999 September) and Tibet-III array (1999 November-2005 November), our previous northern sky survey for TeV γ−ray point sources has now been updated by a factor of 2.8 improved statistics. From 0.0 to 60.0 in declination (Dec) range, no new TeV γ−ray point sources with sufficiently high significance were identified while t...

Journal: :Environmental science & technology 2012
Chengqun Yu Yangjian Zhang Holzapfel Claus Rong Zeng Xianzhou Zhang Jingsheng Wang

T Tibetan plateau, covering an area of 2.6 million km with an average elevation of over 4000 m, often called “the third pole of the world”, has fundamental significance to the environment of China, Asia, and the world. The Tibetan plateau is called a “water tower” due to its downstream influence on approximately 40% of the world’s population. It is a region with rich species diversity and a hig...

2006
Michael Taylor Gilles Peltzer

[1] We estimate the current slip rates on active conjugate strike-slip faults in central Tibet using repeat-pass synthetic aperture radar interferometry (InSAR). The conjugate fault systems are centered along the east trending Late Jurassic–Early Cretaceous Bangong-Nujiang suture zone and are composed of NE striking left-slip faults to the north and NW striking right-slip faults to the south. T...

2006
Lian-She Zhao Donald V. Helmberger David G. Harkrider

S U M M A R Y This paper addresses the velocity structure of the crust and upper mantle beneath southern China with special emphasis on the Tibet region. Waveform data from 48 earthquakes as recorded on the WWSSN and GDSN are used in this detailed forward modelling study. Constraints on the upper crustal section are derived from modelling local Love waves in the time domain applying the mode-su...

2002
Tsering Shakya John K. Fairbank

On September 27th, 1987, a small group of monks staged a demonstration in Lhasa which once again drew the attention of the world to Tibet. In the following 18 months thirty or more such incidents occurred in different parts of the region, leading to the imposition of martial law by the Chinese government in the capital in March 1989, the first time since the creation of the People's Republic of...

2002
G - D. Cheng X. Li

The new Qinghai-Tibet railroad will run across the world’s highest permafrost region for 632 km, of which about half is high-temperature and ice-rich permafrost. Therefore, an important and challenging engineering problem is the possible instability and sensitivity of permafrost. Chinese permafrost scientists are now making efforts to solve the problem by carrying out numerous field and laborat...

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