Molecular Processes on Surfaces of Interstellar Grains

芝加哥伊利诺伊大学的维多利亚·布奇博士正在对星际颗粒表面发生的分子过程进行理论研究。这些过程包括气体颗粒粘附在颗粒上，脏冰膜在颗粒表面的积累和解吸，以及颗粒在地幔上和地幔内的流动性。在过去的20年里，星际化学已经成为一个令人兴奋的新领域，对分子光谱的观察是探测星际云内部的主要诊断工具。详细了解分子在适用于星际云的物理条件下的形成和破坏过程，对于解释观测数据具有重要意义。布赫博士对颗粒分子过程的理论研究将使观测结果得到更准确、更全面的解释。

Dr. Victoria Buch at the University of Illinois, Chicago, is doing theoretical research on molecular processes taking place on the surfaces of interstellar grains. The processes include sticking of gas particles on grains, accumulation and desorption of dirty ice mantles on grain surfaces, and mobility of particles on and within the mantles. Interstellar chemistry has emerged as a new and exciting field during the past 20 years, and observations of the spectra of molecules are a major diagnostic tool for probing the interiors of interstellar clouds. A detailed understanding of the formation and destruction processes of molecules under physical conditions applicable to interstellar clouds is of great importance for the interpretation of the observational data. Dr. Buch's theoretical studies of molecular processes on grains will enable a more accurate and thorough interpretation of observations.