Size matters-very high resolution permafrost simulatio...  CNKI文献

Observations and model studies indicate warming of frozen ground in many northern regions and as a consequence degradation of ice-and carbon-rich permafrost,with potentially far-reaching consequences...

Martin Stendel Sergei Marchenko... Proceedings of the IX International Symposium on Permaf... 2011-09-03 国际会议

АРЕАЛ РАСПРОСТРАНЕНИЯ,НСОДУК...  CNKI文献

Раэведениеверблюдов,вотличиеотскотоводства,овцеводства,коневодства,имею

РОССИЙСКАЯ ФЕДЕРАЦИЯ 2012中国驼业进展 2012-11-24 中国会议

The impact of freeze-thaw cycles on the dynamic charac...  CNKI文献

Based on the test result of Qinghai-Tibet clay before and after freeze-thaw cycles under long-time cyclic dynamic loading,following conclusion can be drawn.The change rule of the accumulative strain ...

Shu-ping ZHAO Wei MA... Proceedings of the IX International Symposium on Permaf... 2011-09-03 国际会议

RADIO-SOUNDING OF CRYOGENIC OBJECTS AS ONE OF METHODS ...  CNKI文献

Opportunities of examination of crogenic objects by means of the microwave radiations are presented in this study.The natural ice cover lying fresh lakes has been chosen as cryogenic object.Experimen...

S.D.Krylov A.A.Gurulev... Proceedings of the seventh International Symposium on P... 2007-11-21 国际会议

轴重25t空心车轴  CNKI文献

介绍了前苏联和俄罗斯开发的22t和25t轴重空心车轴,这种空心车轴具有减轻车辆自重,降低车辆与线路间动力作用等优点。

В В... 《国外铁道车辆》 2003年04期 期刊

修理用统一型薄轮缘车轮踏面外形  CNKI文献

针对运用中因轨距减小而导致轮缘磨耗加剧的问题 ,设计并试验了统一型减薄轮缘厚度的修理用车轮踏面外形。试验表明 ,对减少轮缘磨耗、延长车轮使用寿命均有明显效果

В В... 《国外铁道车辆》 2002年03期 期刊