搜索结果: 1-4 共查到“国际动态 Delayed”相关记录4条 . 查询时间(0.222 秒)
How asteroid, comet strikes may have delayed evolution of atmosphere（图）
小行星 彗星撞击 大气科学 高层大气物理学
2021/10/22
Between 2.5 and 4 billion years ago, a time known as the Archean eon, Earth’s weather could often be described as cloudy with a chance of asteroid.
Back then, it was not uncommon for asteroids or com...
Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.
Scientists have long speculated as to why animal species didn’t flourish sooner, once sufficient...
Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.
Scientists have long speculated as to why animal species didn’t flourish sooner, once sufficient...
TURNING ‘DELAYED’ TO ‘ON TIME’ GOAL OF UH PROF IN AIRCRAFT TURBULENCE STUDIES
airport runways aerodynamics mechanical engineering
2006/12/22
HOUSTON, Dec. 13, 2006 – Gridlock on airport runways is a common part of holiday travel, but one University of Houston engineering professor is researching ways to reduce airport delays by making runw...