A low-power frequency synthesizer for GPS/Galileo L1/E1 band receivers implemented in a 0.18μm CMOS process is introduc......

A high power semiconductor laser diode with a tapered and cascaded active multimode interferometer (MMI) cavity was desi......

A RBC model is built to study labor transfer fluctuation in China. Then an empirical study of labor transfer between 197......

为了科学地评估广州建设国家创新型城市的投入产出状况，给政府提供一些政策建议。文章从科技人力资源投入、R＆amp;D经费投入、科技物......

结合实际应用,探讨了几种节省可编程控制器输入/输出点数的方法,包括在硬件上改进接线,在软件编程上进行设计等。解决了可编程控制......

通过田间试验和室内分析,研究了不同施肥对南板蓝养分含量及产量的影响.结果表明,氮肥、磷肥对南板蓝的氮、磷、钾素的含量及氮、......