Title:Single in the City-A Survey of China’s Single Women Author:Wu Shuping 196 pages,paperback RMB 70 Published by Foreign Languages Press in July 2012 CHINA
OBJECTIVE To study the changes in the matrix metalloproteinases-2 and 9(MMP2,MMP9)induced by 60Coγ-ray external irradiation of human prostate cancer PC-3 cells
热阴极电离真空计问答王逊(北京大学无线电电子学系)AnswersandQuestionsonHot-cathodeVacuumIonizationGauge¥WangXun(Dep.ofRadioandElectronics,BeijingUnive...
Hot Cathode Ionization Gauge Questions and Answers Wang Xun (Peking University Department of Radio Electronic