Abstract In order to simulate the interstellar chemical evolution, the chemical process was studied in a laboratory plasma flow. The apparatus was so designed as to establish the similarity between laboratory and cosmic conditions. The plasma temperature was found to be less than 100 K in the downstream region. HCN, $ HC_{3} $N, $ H_{2} $CO, and several kinds of hydrocarbons were produced from the plasma whose elementary composition was approximately same as the cosmic abundance. Based on the analysis by laser-induced-fluorescence method, HCN and $ HC_{3} $N were concluded to be synthesized via CN loss reactions, while it was unlikely that the syntheses of $ C_{2} $$ H_{2} $ and $ H_{2} $CO were related to the generation or depletion of $ C_{2} $.


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    Title :

    Simulation of interstellar chemical evolution in a low temperature plasma


    Contributors:

    Published in:

    Publication date :

    1984




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    Local classification TIB:    535/3908/4290
    BKL:    44.71 Verkehrsmedizin



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