{"title":"多环芳烃丰度趋势与金属丰度的辩证关系","authors":"F. Galliano","doi":"10.1051/EAS/1146004","DOIUrl":null,"url":null,"abstract":"This paper reviews the various processes that have been pro- posed to explain the observed trend of PAH strength with metallicity. It summarizes a study showing that, although PAH destruction by hard radiation is important in low-metallicity environments, it is not suffi- cient to explain their paucity. In these systems, the deficiency of their formation mechanism, related to stellar evolution, has to be invoked.","PeriodicalId":197011,"journal":{"name":"PAHs and the Universe","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Dialectics of the PAH Abundance Trend with Metallicity\",\"authors\":\"F. Galliano\",\"doi\":\"10.1051/EAS/1146004\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper reviews the various processes that have been pro- posed to explain the observed trend of PAH strength with metallicity. It summarizes a study showing that, although PAH destruction by hard radiation is important in low-metallicity environments, it is not suffi- cient to explain their paucity. In these systems, the deficiency of their formation mechanism, related to stellar evolution, has to be invoked.\",\"PeriodicalId\":197011,\"journal\":{\"name\":\"PAHs and the Universe\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-11-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"PAHs and the Universe\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1051/EAS/1146004\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"PAHs and the Universe","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1051/EAS/1146004","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dialectics of the PAH Abundance Trend with Metallicity
This paper reviews the various processes that have been pro- posed to explain the observed trend of PAH strength with metallicity. It summarizes a study showing that, although PAH destruction by hard radiation is important in low-metallicity environments, it is not suffi- cient to explain their paucity. In these systems, the deficiency of their formation mechanism, related to stellar evolution, has to be invoked.
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