Different power amplifier(PA) models have their own effects on PA linearization. In this paper, the nonlinear characteristic of the radio frequency power amplif
A novel camptothecin(CPT) prodrug was successfully synthesized by conjugating CPT to adamantanecarboxylic acid(AD) via a cleavable disulfide linkage. The result
Activated carbon-supported bimetallic cerium-manganese(Ce-Mn/AC) materials were prepared by impregnation method to study the effect of calcination temperature o
2014年12月12日,有着跨世纪宏伟工程之称的南水北调中线一期工程正式通水.5年来,清澈的引江水顺渠北上,穿过鄂北和中原大地,流入华北平原,有效缓解了河北省水资源短缺状况,为
面对水患,从人定胜天,到人水和谐.面对水患,我们万众一心,众志成城,更有国之重器三峡工程护安澜于江河,我们有临危不惧、同舟共济,更有忠诚、干净、担当的新时代水利人冲锋在