聚乳酸（PLA）网格沙障耐老化性能及防沙效果

屈建军, 洪贤良, 李芳, 冯筱, 孟一江, 丁伊央, 杨明全

Aging resistance of polylacticacid sand barriers and its sand fixation effectiveness

Jianjun Qu, Xianliang Hong, Fang Li, Xiao Feng, Yijiang Meng, Yiyang Ding, Mingquan Yang

图5 流沙地（A）和沙障内（B）八方位集沙仪布设

Fig.5 Photos of sand collectors with eight directions installed on the shifting sand dune (A) and inside the sand-protecting barriers (B)