卡塔尔民航局称，在伊朗周一对美军基地发动导弹袭击后， 卡塔尔曾短暂关闭领空，目前已重新开放 。航班追踪显示，多哈机场航班已恢复降落。科威特、巴林、阿联酋和伊拉克等国也重新开放空域。

The nanomaterial, a calcium-enhanced graphene oxide aerogel, adsorbs water vapor over three times faster than existing technologies while holding more than three times its own weight in water, ...