Results 1 to 10 of about 14,273,081 (281)
Variation of black carbon in Northeast China based on ground observation and MERRA-2 reanalysis data [PDF]
E3S Web of Conferences, 2020 The temporal variations of black carbon concentration at 7 sites, including Longfengshan, Anshan, Benxi, Dalian, Changchun, Shenyang, and Fushun, in Northeast China was studied based on up to 11 years of ground observations and MERRA-2 reanalysis dataset.
Song Qingli +5 more
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Atmosphere, 2022 Through an analysis of CH4 data observed at different altitudes at the atmospheric background station in Lin’an from 2016 to 2020, in combination with back-trajectory and distribution characteristics of potential source areas, the CH4 concentration ...
Meng Shan +5 more
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Nanomaterials, 2023 Surface-enhanced Raman scattering (SERS) has garnered substantial attention due to its ability to achieve single-molecule sensitivity by utilizing metallic nanostructures to amplify the exceedingly weak Raman scattering process. However, the introduction
Zixin Wang +9 more
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Crystals, 2023 In this study about spessartines,13 spessartine samples with proper conditions are used for FTIR spectrum and UV-Vis spectrum tests to find the gemological characteristics and coloration mechanism.
Meilin Zhu, Ying Guo
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Algorithm for forest fire smoke detection in video
Журнал Белорусского государственного университета: Математика, информатика, 2021 In this paper, an efficient forest smoke detection algorithm in video sequences obtained from a stationary camera is proposed. The algorithm composed of three basic steps. At the first step, the frame contrast is improved.
Rykhard P. Bohush, Sergey V. Ablameyko
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Atmosphere, 2017 This study analyzed the variability and trend in aerosol optical depth (AOD) over North China using the latest MODIS/Terra C6 merged Dark Target/Deep Blue AOD monthly data at 550 nm from 2001 to 2016.
Peng Wang +8 more
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Econometrics, 2019 It is customary to assume that an indicator of a latent variable is driven by the latent variable and some random noise. In contrast, a background indicator is also systematically influenced by variables outside the structural model of interest. Background indicators deserve attention because in empirical work they are difficult to distinguish from ...
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Интеллект. Инновации. Инвестиции, 2023 The aim of the study is to analyze the prerequisites for the innovative transformation of transport services market entities in terms of their importance and the power of influence on various groups of entities based on expert assessment.
M. V. Sysoenko, A. S. Lebedeva
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Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 2001 The persisting ancient view of cancer as a contagious disease ended with 19th century scientific investigations which seemed to show it was not. The resulting dogma against an infectious cause for cancer produced great prejudice in the scientific community against the first report of an oncogenic virus by Rous early in the 20th century and,
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Trends and Variability in Precipitable Water Vapor throughout North China from 1979 to 2015
Advances in Meteorology, 2017 This study analyzed the variability and trends in precipitable water vapor (PWV) in North China from 1979 to 2015. The spatial distribution of annual mean PWV was generally characterized by two high PWV centers in Eastern China and the Tarim Basin and ...
Wang Peng +9 more
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