含钒介孔空心球的合成
时晓波, 陈玉, 孔岩, 吴丞, 王军

Synthesis of Vanadium-mesoporous Hollow Spheres
SHI Xiao-Bo, CHEN Yu, KONG Yan, WU Cheng, WANG Jun
图4 样品10V-S的SEM照片
Fig. 4 SEM images of sample 10V-S a As-synthesized; b Calcinedqm