Электронная библиотека (репозиторий) Томского государственного университета

Add to Quick Collection   All 96 Results

Showing items 1 - 15 of 96.
Sort:
 Add All Items to Quick Collection
Source: Materials proceedings. 2023. Vol. 14, № 1. P. 36 (1-5)
Type: статьи в журналах
Date: 2023
Description: In this paper, the authors present the results of modeling the movement of three methane molecules into a closed carbon nanotube. The main approach in this work is to model the interaction between met ... More
Source: Технологии безопасности жизнедеятельности. 2023. № 1. С. 34-42
Type: статьи в журналах
Date: 2023
Description: Проведено экспериментальное определение концентрационных пределов распространения пламени в смесях горючий газ (метан, водород) – закись азота – фторированный углеводород (трифторметан CHF3, пентафтор ... More
Source: Известия высших учебных заведений. Физика. 2023. Т. 66, № 11. С. 157-167
Type: статьи в журналах
Date: 2023
Description: Предложена обобщенная двухстадийная модель химической кинетики детонационного горения двухтопливной стехиометрической газовой смеси метан – водород – воздух. Она позволяет рассчитывать молярную массу ... More
Source: Известия высших учебных заведений. Физика. 2023. Т. 66, № 1. С. 131-139
Type: статьи в журналах
Date: 2023
Description: Представлены результаты компьютерного моделирования функции перекрытия для биаксиальной схемы бортового лидара с различными радиусами фоточувствительной зоны приемной части оптической системы. Показан ... More
Source: Atmosphere. 2022. Vol. 13, № 9. P. 1402 (1-21)
Type: статьи в журналах
Date: 2022
Description: Observations of the atmospheric sources and sinks of carbon dioxide (CO2) and methane (CH4) in the pan-Arctic domain are extremely scarce, limiting our knowledge of carbon turnover in this climaticall ... More
Source: Molecules. 2022. Vol. 27, № 1. P. 144 (1-15)
Type: статьи в журналах
Date: 2022
Description: In this work, the effect of nitrogen and carbon dioxide on the depolarization ratio of the ν1 band of methane in the pressure range of 0.1–5 MPa is studied. A high-sensitivity single-pass Raman spectr ... More
Source: Molecules. 2022. Vol. 27, № 1. P. 144 (1-15)
Type: статьи в журналах
Date: 2022
Description: In this work, the effect of nitrogen and carbon dioxide on the depolarization ratio of the nu(1) band of methane in the pressure range of 0.1-5 MPa is studied. A high-sensitivity single-pass Raman spe ... More
Source: Atmospheric and oceanic optics. 2022. Vol. 35, № 4. P. 450-455
Type: статьи в журналах
Date: 2022
Description: Gas analyzers on the basis of Raman spectroscopy designed at the Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch, Russian Academy of Sciences, are described. Their capabili ... More
Source: Journal of Quantitative Spectroscopy and Radiative Transfer. 2022. Vol. 279. P. 108021
Type: статьи в журналах
Date: 2022
Description: Four spectra of methane in natural isotopic abundance in the 4100-4300 cm(-1) region were recorded by using a Fourier transform spectrometer in Reims, France at long paths (202 m, 602 m, 1604 m and 18 ... More
Source: Journal of applied spectroscopy. 2022. Vol. 89, № 4. P. 742-747
Type: статьи в журналах
Date: 2022
Source: Optics and Laser Technology. 2022. Vol. 152. P. 108155
Type: статьи в журналах
Date: 2022
Description: An improved gas analyzer based on Raman spectroscopy is presented. The device can measure the content of all molecular species of atmospheric air, whose concentration exceeds the sensitivity threshold ... More
Source: Sensors. 2022. Vol. 22, № 9. P. 3492 (1-13)
Type: статьи в журналах
Date: 2022
Description: Raman spectroscopy is a promising method for analyzing natural gas due to its high measurement speed and the potential to monitor all molecular components simultaneously. This paper discusses the feat ... More
Source: Proceedings of SPIE. 2021. Vol. 11916 : 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation. P. 1191607-1-1191607-5
Type: статьи в журналах
Date: 2021
Description: The work is aimed at measuring the depolarization ratio of the ν1 Raman band of methane in nitrogen and carbon dioxide media at a pressure of 50 atm. To improve the accuracy of estimating the ν1 inten ... More
Source: Atmospheric and oceanic optics. 2021. Vol. 34, № 5. P. 395-399
Type: статьи в журналах
Date: 2021
Description: The peak positions and halfwidths of the Q-branch of the ν1 band and the ratios of intensities of the Q-branches of ν3 and 2ν2 bands of methane are measured in a methane–helium mixture at different pr ... More
Source: Measurement techniques. 2021. Vol. 64, № 3. P. 261-266
Type: статьи в журналах
Date: 2021
Description: The article presents methods for analyzing the natural gas composition and describes the advantages of Raman spectroscopy compared with gas chromatography. The metrological characteristics of a Raman ... More

Date

^