As technical developments and knowledge improvements, radio astronomy, infrared astronomy, ultraviolet astronomy, X-ray astronomy and γ-ray astronomy were developed one by one during some decades from 1940s, and.
随着技术进步和认识上的提高,从1940年代起的几十年中,相继诞生并发展了射电天文学、红外天文学、紫外天文学、X射线天文学和γ射线天文学,从而实现了对天体辐射观测的全波段覆盖,诞生了多波段天文学,人类对宇宙和宇宙中各类天体、天象的物理本质的认知迈入了全新的阶段。
in recent years and its applications in X-ray astronomy.
文章介绍时变分析的时间尺度谱方法及其在X射线天文学中的应用。
As technical developments and knowledge improvements, radio astronomy, infrared astronomy, ultraviolet astronomy, X-ray astronomy and γ-ray astronomy were developed one by one during some decades from 1940s, and.
随着技术进步和认识上的提高,从1940年代起的几十年中,相继诞生并发展了射电天文学、红外天文学、紫外天文学、X射线天文学和γ射线天文学,从而实现了对天体辐射观测的全波段覆盖,诞生了多波段天文学,人类对宇宙和宇宙中各类天体、天象的物理本质的认知迈入了全新的阶段。
Experimental Study of the characteristics of NOX Emission on Half Mix Flat-flame Partially Premixed Combustion;
平焰半预混燃烧NO_X排放特征的试验研究
Advance Research on NOX Removal in Liquid-Phase in Ferrous-Chelat;
亚铁螯合剂液相脱除NO_X的研究进展
Impact of Aircraft NOx Emission on NOx and Ozone over China;
飞机排放的NO_x对中国地区NO_x和臭氧的影响(英)
Research on NO_x emission of coal-fired boilers in Shandong Province of China;
中国山东电网燃煤锅炉NO_x排放状况和治理技术试验研究
NO_x and N_2O emission characteristics during co-combustion of municipal sewage sludge and coal;
城市污泥与煤混烧过程中NO_x和N_2O的排放特性
RESEARCH ON REDUCING NO_x CONTENT IN HIGH TEMPERATURE CERAMIC KILN BY GAS MEMBRANE SEPARATION PROCESS;
采用气体膜分离技术降低高温陶瓷窑炉内NO_x的研究