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Student Number 952202019
Author Yun-chong Wu(吳允中)
Author's Email Address No Public.
Statistics This thesis had been viewed 553 times. Download 287 times.
Department Physics
Year 2009
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Products of ice mixture of N2 + CH4 + H2O after hydrogen discharge lamp irradiated
Date of Defense 2010-07-12
Page Count 45
Keyword
  • ice
  • irradiation
  • photolysis
  • Triton
  • Abstract In the last decades,accompany to the improvement of the space technology,knowledge about the atmospheric composition of the planet in the solar system and the composition of the interstellar medium is increasing day by day.Today we know that H2O、CO、CO2 is the main composition of the interstellar medium,and these molecule are key to produce more complex molecule.
    In this work, we use hydrogen discharge lamp with 121.6 nm and hydrogen molecular band at 160 nm VUV as photon source to irradiate the ice on the substrate.Then we use QMS and FTIR to detect the composition and mass variation of the ice.
    We irradiated the ice mixture of N2 : CH4 : H2O = 9.8 : 1.8 : 0.02 more than 24 hour.In the procedure of the irridiation,CH4 decay and products of C2H6、CO2、13CO2、CO、N2O was observed.In the procedure of warming up, we also detected the product of H2CO.
    We also irradiated the ice mixture of N2 : CH4 :H2O = 9.8 : 0.18 : 0.02 for about 24 hour.We again observed CH4 decay,but we
    4
    observed a few of C2H6 and CO2 in the procedure of irradiation and warming up the substrate to room temperature.
    Table of Content 中文摘要 …………………………………… Ⅰ
    Abstract …………………………………… Ⅱ
    目錄 …………………………………………… Ⅳ
    圖目錄 ………………………………………… Ⅴ
    第一章 前言……………………………… 1
    第二章 實驗設備與步驟
    一、 實驗儀器…………………… 4
    二、 實驗步驟…………………… 8
    第三章 結果與討論
    一、 實驗結果…………………… 11
    二、 實驗討論…………………… 30
    第四章 結論 ……………………………… 34
    參考文獻 ……………………………………… 36
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    4. Quirico, E., Doute, S., Schmitt, B., de Bergh, C., Cruikshank, D.P.,Owen,T.C.,Geballe,T.R., Roush, T.L., 1999. Composition, physical state,and distribution of ices at the surface of Triton. Icarus,139, 159-178.
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    45
    10. Kaiser,R.I., and Roessler,K.,1998 Ap.J.,503, 959-975.
    11. Wu, C. Y. R., Judge, D. L.,1999 Planetary and Space Science ,47,150-155.
    12. Greenberg, J. M.,1999 In Formation and Evolution of Solid in Space. ed. JM Greenberg,A Li, 53-76. Dordrecht:Kluwer.
    13. Moore,M.H., and Hudson,R.L.,2003 Icarus 161 486-500.
    14. N. Watanabe, O. Mouri, A. Nagaoka, T. Chigai, and A. Kouchi, 2007 The Astrophysical Journal, 668,1001–1011.
    15. G. M. Murioz Caro, U. J. Meierhenrich, W. A.Schutte, B. Barbier, A. Arcones Segovia, H.Rosenbauer, W. H. P. Thiemann, A. Brack and J. M.Greenberg,2002 Nature, 416, 403-406.
    16. http://zh.wikipedia.org/zh-hk/%E7%A2%B3-13
    17. Mennella,V., Palumbo, M. E., Baratta, G. A.,2004 The Astrophysical Journal,615,1073–1080.
    18.Bennett, Chris J., Jamieson,C., Mebel, Alexander M., Kaiser, Ralf I.,2004 P h y s . C h e m . C h e m . P h y s . , 6 ,7 3 5 – 7 4 6.
    Advisor
  • Tai-Sone Yih(易台生)
  • Files
  • 952202019.pdf
  • approve immediately
    Date of Submission 2010-07-17

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