Results 1 to 10 of about 2,556,373 (288)
A UV-DOAS-Based Multi-Scale Interaction Attention Network for Simultaneous Retrieval of NO and NO2 in Gas Mixtures [PDF]
SensorsAccurate monitoring of nitrogen oxides (NOx) is essential due to their adverse effects on environmental quality and public health. To address the spectral overlap between NO and NO2 in ultraviolet differential optical absorption spectroscopy (UV-DOAS ...
Yuwei Mu, Hua Wen
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Rapid Identification Method for CH4/CO/CH4-CO Gas Mixtures Based on Electronic Nose [PDF]
Sensors, 2023 The inherent cross-sensitivity of semiconductor gas sensors makes them extremely challenging to accurately detect mixed gases. In order to solve this problem, this paper designed an electronic nose (E-nose) with seven gas sensors and proposed a rapid ...
Jianxin Yin +8 more
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High Voltage, 2020 Fluorinated nitrile (C(4)F(7)N) gas mixture has been introduced as the most promising candidate to replace sulfur hexafluoride using in gas-insulated equipment.
Yi Li +6 more
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Vibrational Fingerprinting of Gas Mixtures Using COCO-QEPAS [PDF]
SensorsDetection and simultaneous monitoring of multiple trace gases is vital in scientific and industrial processes. Here, we use coherent control in quartz-enhanced photoacoustic spectroscopy (COCO-QEPAS) with an in situ learning method for rapid ...
Simon Angstenberger +4 more
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Identification of Formaldehyde under Different Interfering Gas Conditions with Nanostructured Semiconductor Gas Sensors [PDF]
Nanomaterials and Nanotechnology, 2015 Sensor array with pattern recognition method is often used for gas detection and classification. Processing time and accuracy have become matters of widespread concern in using data analysis with semiconductor gas sensor array for volatile organic ...
Lin Zhao, Jing Wang, Xiaogan Li
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Numerical modelling of multi-component mass transfer regimes in four-component gas systems
Қарағанды университетінің хабаршысы. Физика сериясы, 2023 For argon and carbon dioxide, which are part of the tetra-component gas mixture He + Ar + CO2 – N2 and are the heaviest compared to other components, graphs of the behavior of the concentration of these components at different points of the diffusion ...
O.В. Федоренко +4 more
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Fire, 2022 While developing a standard for the determination of safety characteristics for hybrid mixtures the authors discovered, that, beside the ignition source, the mixing procedure is the main difference between the single-phase standards for dusts and gases ...
Stefan H. Spitzer +5 more
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Hydrate-Based Separation for Industrial Gas Mixtures
Energies, 2022 The removal of acidic gases and impurities from gas mixtures is a critical operation in the oil and gas industry. Several separation techniques, e.g., cryogenic fractionation, polymeric membranes, zeolites, and metal–organic frameworks, are employed to ...
Muhammad Khan +3 more
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Computation, 2023 This study aims to reconstruct hazardous zones after the hydrogen explosion at a fueling station and to assess an influence of terrain landscape on harmful consequences for personnel with the use of numerical methods.
Yurii Skob +3 more
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Numerical research of characteristic mixing times of isothermal three-component steam-gas systems
Қарағанды университетінің хабаршысы. Физика сериясы, 2022 Multicomponent diffusion in gases is characterized by a number of effects that are not observed in binary diffusion. Analysis of existing works shows that convective instability may occur in some systems with significantly different diffusion ...
А.К. Жусанбаева +3 more
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