随着电子工业向着大尺寸、高集成化、高均匀性和高完整性方向的发展，要求用于单晶硅片气相抛光和外延机座腐蚀的电子级氯化氢不仅应......

THC问题是当前国际航运界的热点问题之一。在中国，自2002年班轮公司向中国货主收取THC以来，船货双方在是否应收取THC，如何收取THC等问......

With eyes, mankind look at the world. With telescopes, we look into the universe. Radio telescopes are special eyes of m......

Today, more than 2,000 astronomers from all over the world gather together in Beijing to attend the 28^th General Assemb......

Water is a basic natural and a strategic economic resource playing a key role in China＇s sustainable development. With a ......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

With eyes, mankind look at the world. With telescopes, we look into the universe. Radio telescopes are special eyes of m......

Climate change will lead to a significant alteration in the temporal and spatial pattern variation in the regional hydro......