seasonally相关论文
为探究北京地区不同季节大气O3浓度垂直分布特征,于2010年12月1日—2011年3月31日(冬春季)和2011年5月7日—6月9日(夏初),在北京北部......
提要 在黑龙江省深度季节冻土区,传统的开敞式消能工有80%以上遭到冻害破坏,而组合式消能建筑物由竖井、消力齿、消力栅及底流组成......
In seasonally frozen regions, the frost-heave properties of soil play a significant role in its upper-structure performa......
Different Responses of Vegetation to Frozen Ground Degradation in the Source Region of the Yellow Ri
Frozen ground degradation under a warming climate profoundly influences the growth of alpine vegetation in the source re......
Experimental study of the dynamic behavior of high-grade highway-subgrade soil in a seasonally froze
Regarding the freezing damage of high-grade highway subgrade in seasonally frozen area, the thesis explores the effect o......