A Republican suggested to C-SPAN that food assistance for poor people was like feeding bears on the side of the road. During a Thursday call-in segment with right-wing pundit Armstrong Williams, a ...
作为一种新兴的红外光敏材料,红外胶体量子点因其带隙大小可调、合成方式简单、可与读出电路(ROIC)直接集成等特性,为新一代低成本、大尺寸红外成像器件的开发提供了新的技术选择。开发基于胶体量子点的焦平面探测技术既是当前领域学术研究的热点 ...