Showing 161 - 180 results of 780 for search 'P. W. Botha~', query time: 1.81s Refine Results
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    Diurnal variations of NO<sub>2</sub> tropospheric vertical column density over the Seoul metropolitan area from the Geostationary Environment Monitoring Spectrometer (GEMS): season... by S. Seo, S.-W. Kim, S.-W. Kim, K.-M. Kim, A. Richter, K. Lange, J. P. Burrows, J. Park, J. Park, H. Hong, H. Lee, U. Jeong, J.-H. Woo, J.-H. Woo, J. Kim

    Published 2025-01-01
    “…<p><span id="page116"/>The Geostationary Environment Monitoring Spectrometer (GEMS), launched in 2020, provides both temporally and spatially continuous air quality data from geostationary Earth orbit (GEO). …”
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    Technical note: Towards atmospheric compound identification in chemical ionization mass spectrometry with pesticide standards and machine learning by F. Bortolussi, H. Sandström, F. Partovi, F. Partovi, J. Mikkilä, P. Rinke, P. Rinke, P. Rinke, P. Rinke, M. Rissanen, M. Rissanen

    Published 2025-01-01
    “…The CIMS measurements were performed with an Orbitrap mass spectrometer coupled to a thermal desorption multi-scheme chemical ionization inlet unit (TD-MION-MS) with both negative and positive ionization modes utilizing <span class="inline-formula">Br<sup>−</sup></span>, <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msubsup><mi mathvariant="normal">O</mi><mn mathvariant="normal">2</mn><mo>-</mo></msubsup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="17pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="0874c22b59d147314cd2f8e88d131371"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-685-2025-ie00001.svg" width="17pt" height="16pt" src="acp-25-685-2025-ie00001.png"/></svg:svg></span></span>, <span class="inline-formula">H<sub>3</sub>O<sup>+</sup></span> and <span class="inline-formula">(CH<sub>3</sub>)<sub>2</sub>COH<sup>+</sup></span> (<span class="inline-formula">AceH<sup>+</sup></span>) as reagent ions. …”
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    A strontium isoscape of southwestern Australia and progress toward a national strontium isoscape by P. de Caritat, P. de Caritat, A. Dosseto, F. Dux

    Published 2025-01-01
    “…<p>Strontium isotopes (<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msup><mi/><mn mathvariant="normal">87</mn></msup><mi mathvariant="normal">Sr</mi><msup><mo>/</mo><mn mathvariant="normal">86</mn></msup><mi mathvariant="normal">Sr</mi></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="49pt" height="15pt" class="svg-formula" dspmath="mathimg" md5hash="7f4baae305f328d12fa7f61ee32c1202"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="essd-17-79-2025-ie00001.svg" width="49pt" height="15pt" src="essd-17-79-2025-ie00001.png"/></svg:svg></span></span>) are widely used tracers in the geosciences. …”
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    A Long-Term Study of Aerobic Performance in Elite Cross-Country Skiers: How Age and Sex Influence Career Development by Elias Bucher, Jon P. Wehrlin, Grégoire P. Millet, Thomas Steiner

    Published 2025-01-01
    “…At age 18, males had a 23.2% higher baseline LT2 (3.34 vs. 2.71 W/kg). In the 24-min DP test, both sexes initially improved significantly (p<0.001). …”
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