An electrically switchable wideband metamaterial absorber based on graphene at P band

by Wang Liansheng, Xia Dongyan, Fu Quanhong, Ding Xueyong, Wang Yuan
Published 2021-08-01

Participation of HIV prevention programs among men who have sex with men in two cities of China—a mixed method study

by Ma Wei, Raymond H Fisher, Wilson Erin C, McFarland Willi, Lu Hongyan, Ding Xianbin, Lu Rongrong, Ma Xiaoyan, Xia Dongyan, Xu Jing, He Xiong, Feng Liangui, Fan Song, Li Xuefeng, Sun Jiangping, Jia Yujiang, Shao Yiming, Ruan Yuhua, Xiao Yan
Published 2012-10-01