The Northrop YB-49 was an American prototype jet-powered heavy bomber developed by Northrop Corporation shortly after World War II for service with the United States Air Force. [1] …

2020年12月20日 · The YRB is characterized by arid and semi-arid continental monsoon climate in the northwest and a semi-humid environment in the southeast (Liu et al., 2012). Increasing …

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The Northrop YB-49 was an American prototype jet-powered heavy bomber developed by Northrop Corporation shortly after World War II for service with the United States Air Force. …

A last chance for the flying wing design was the YRB-49, a six-engined reconnaissance bomber, with two engines in underwing nacelles to increase the volume available for fuel. But the RB …

2025年1月1日 · Taking the YRB as an example, we analyzed spatiotemporal variations in precipitation, identified abrupt changes, and calculated the 12-month standardized …

2024年11月25日 · The YRB (32–41° N, 95–119° E) is the second-largest drainage basin in China (Fig. 1), with an approximate area of 795 000 km 2 (including a 42 000 km 2 inland flow area). …

2022年9月15日 · From the east to the west, the YRB spans four vegetation belts: deciduous broad-leaved forest belts, grassland belts, desert belts, and Qinghai–Tibet Plateau vegetation …

2022年10月12日 · Land surface temperature (LST) is a key parameter in the study of surface energy balance and climate change from local through to global scales. Vegetation has …

2024年12月1日 · Overall, urbanisation rate, education level, NDVI, and industrial structure upgrading had positive effects on UER. All four influencing factors promoted UER in the YRB, …