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First 520 results for ” K G Jeffery”

1. Sunshine is an important determinant of vitamin D status even among high-dose supplement users: secondary analysis of a randomised controlled trial in Crohn's disease patients

   Sunshine is considered to be the most important source of vitamin D. Due to an increased risk of ...

   F O'Sullivan, T Raftery, M van Weele, J van Geffen, D McNamara, C O'Morain, N Mahmud, D Kelly, M Healy, M O'Sullivan, L Zgaga | Status: published | Journal: Photochem. and Photobiol. | Volume: 95 | Year: 2019 | First page: 1060 | Last page: 1067 | doi: 10.1111/php.13086

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2. Spatiotemporal variations of tropospheric SO2 over China by SCIAMACHY observations during 2004-2009

   This paper presents results of measurements of tropospheric sulphur dioxide (SO2) from satellite ...

   X Zhang, J van Geffen, H Liao, P Zhang, S Lou | Status: published | Journal: Atmos. Environm. | Volume: 60 | Year: 2012 | First page: 238 | Last page: 246 | doi: 10.1016/j.atmosenv.2012.06.009

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3. Wavelength calibration of spectra measured by GOME using a high-resolution reference spectrum

   Earthshine spectra measured by the nadir-viewing Global Ozone Monitoring Experiment (GOME) spectr...

   JHGM van Geffen, RF van Oss | Status: published | Journal: Appl. Optics | Volume: 42 | Year: 2003 | First page: 2739 | Last page: 2753 | doi: http://www.opticsinfobase.org/abstract.cfm?URI=ao-42-15-2739

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4. The global impacts of COVID-19 lockdowns on urban air pollution: A critical review and recommendations

   The coronavirus-19 (COVID-19) pandemic led to government interventions to limit the spread of the...

   Gkatzelis, Georgios I., Jessica B. Gilman, Steven S. Brown, Henk Eskes, A. Rita Gomes, Anne C. Lange, Brian C. McDonald, Jeff Peischl, Andreas Petzold, Chelsea R. Thompson, Astrid Kiendler-Scharr | Journal: Elementa: Science of the Anthropocene | Volume: 9 | Year: 2021 | First page: 00176 | doi: 10.1525/elementa.2021.00176

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5. First retrieval of absorbing aerosol height over dark target using TROPOMI oxygen B band: Algorithm development and application for surface particulate matter estimates

   Constraint of the vertical distribution of aerosol particles is crucial for the study of aerosol ...

   Xi Chen, Jun Wang, Xiaoguang Xu, Meng Zhou, Huanxin Zhang, Lorena Castro Garcia, Peter R. Colarco, Scott J. Janz, John Yorks, Matthew McGill, Jeffrey S. Reid, Martin de Graaf, Shobha Kondragunta | Journal: Remote Sensing of Environment | Volume: 265 | Year: 2021 | First page: 1 | Last page: 18 | doi: 10.1016/j.rse.2021.112674

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