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We present a new study of the millimeter wave spectrum of the lowest two conformers of the 1,3-propanediol (CH 2 OHCH 2 CH 2 OH) molecule. The new measurements involving rotational transitions with J up to 65 and K a up to 30 for conformer I and J up to 59 and K a up to 29 for conformer II have been carried out between 49 and 237GHz using the Kharkov millimeter...
We performed a new study of the 1,3-propanediol spectrum in a frequency range from 49 to 237 GHz. With the help of SPFIT program using a model of two substates between which the system tunnels a fit of 5902 rotational transitions with J ≤ 55 and Ka ≤ 30 within experimental error was obtained. Our results give an opportunity to produce reliable predictions of the 1,3-propanediol conformer I spectrum...
A high-sensitivity mobile spectroradiometer for observations of mesospheric ozone O3 and carbon monoxide CO is developed. The performance of the spectroradiometer and results of observations of O3 and CO emission lines at frequencies 110.836 and 115.271 GHz, respectively, are presented.
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