Yi Xin

Heat-preservation and water-permeation roadbed structure in arctic-alpine place

Wide frozen earth roadbed structure

Dynamic thermal regime of permafrost beneath embankment of Qinghai-Tibet Highway under the scenarios of changing structure and climate warming

Recovery structure for vegetation in alpine regions

Device for controlling air door through magnet and air pressure

Ventilation door capable of being automatically opened and closed

寒冷地における直立管の熱伝達に関する実験的研究【Powered by NICT】

Hollow tube refrigeration roadbed structure

Concatenation formula ventilation pipe roadbed structure

Natural convection ventilating pipe frozen soil roadbed structure