冻融循环作用下木质素磺酸钙改良黄土的力学特性研究
黄雨灵, 张吾渝, 季港澳, 解邦龙, 董超凡

Experimental study on mechanical properties of calcium lignosulfonate modified loess under freeze-thaw cycle
Yuling HUANG, Wuyu ZHANG, Gang’ao JI, Banglong XIE, Chaofan DONG
图3 西宁近3年冬季平均最低气温曲线
Fig. 3 The average lowest temperature curve of Xining in recent 3 years