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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书目名称H II Regions and Related Topics影响因子(影响力)




书目名称H II Regions and Related Topics影响因子(影响力)学科排名




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书目名称H II Regions and Related Topics网络公开度学科排名




书目名称H II Regions and Related Topics被引频次




书目名称H II Regions and Related Topics被引频次学科排名




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书目名称H II Regions and Related Topics年度引用学科排名




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书目名称H II Regions and Related Topics读者反馈学科排名

羽毛长成

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

健忘症

entrance

使习惯于

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

密切关系

Brennmaterialien und Feuerungeners calculated for dusty Strömgren 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.