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15 天
《科学》(20241115出版)一周论文导读
多环芳烃(PAHs)是含有相邻芳环的有机分子。红外发射波段表明,多环芳烃在太空中是丰富的,但在星际介质中只检测到少数特定的多环芳烃。研究者利用绿岸望远镜对致密星云TMC—1进行射电观测,发现了1—氰芘,一种四环多环芳烃芘相关的氰基取代衍生物。
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11 天
85亿美元并购失败,Michael Kors将降价关店扭亏
近期要闻|REPORT●Tapestry与Capri停止85亿美元并购交易。●Michael Kors将降价扭亏,将关75家店。●New Guards ...
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