Titlebook: H II Regions and Related Topics; Proceedings of a Sym T. L. Wilson,D. Downes Conference proceedings 1975 Springer-Verlag Berlin Heidelberg

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書目名稱H II Regions and Related Topics影響因子(影響力)




書目名稱H II Regions and Related Topics影響因子(影響力)學科排名




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書目名稱H II Regions and Related Topics網(wǎng)絡(luò)公開度學科排名




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書目名稱H II Regions and Related Topics被引頻次學科排名




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書目名稱H II Regions and Related Topics讀者反饋




書目名稱H II Regions and Related Topics讀者反饋學科排名

羽毛長成

Recent interstellar molecular line work,de, H.C.HCN, formic acid, HCOOH, dimethyl ether (CH.).O and isotopically labelled cyanoacetylene — .C,HC.CCN and HCC.CN. The data on cyanoacetylene give an . limit to the abundance ratio .C/.C of 36 ± 5. A short discussion of the interstellar chemistry leads to the conclusion that hydrocarbons such

Acquired

cacophony

Selective absorption by dust in H II regions,onized helium abundance are due to selective absorption of the helium ionizing photons by dust in the H II regions. New support comes from mapping of the recombination lines in the Orion Nebula and from detection of He. in the region of the galactic center..The absorption cross section per H-atom fo

invade

健忘癥

entrance

使習慣于

W. Mayer zur Capellen,V. Happach,H. Dubbel transfer of the ultra-violet radiation. The balance between atomic and molecular hydrogen is also considered. It is concluded that the H II region exciting star may be, but should not be assumed to be, the source of the photons which ionize carbon in the region giving rise to the observed recombina

patella

https://doi.org/10.1007/978-3-662-40998-5de, H.C.HCN, formic acid, HCOOH, dimethyl ether (CH.).O and isotopically labelled cyanoacetylene — .C,HC.CCN and HCC.CN. The data on cyanoacetylene give an . limit to the abundance ratio .C/.C of 36 ± 5. A short discussion of the interstellar chemistry leads to the conclusion that hydrocarbons such

密切關(guān)系

Brennmaterialien und Feuerungeners calculated for dusty Str?mgren spheres. Preliminary results of this comparison suggest that the dust inside compact H II regions is quite often depleted by large factors, consistent with evaporation of the mantle material of core-mantle particles.