Showing 8,481 - 8,500 results of 11,088 for search '"chemical"', query time: 0.08s Refine Results
  1. 8481

    Radioactivity concentration of 14C in the air of 14C urea breath test rooms and the resulting internal dose to medical staff by Bei Yu, Fei Chen, Jing Cao, Dingxin Long

    Published 2025-02-01
    “…Methods: 14CO2 in air was absorbed from the air and turned into calcium carbonate through a chemical reaction. Then, calcium carbonate was prepared into a suspension in a low-potassium glass vial. …”
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  2. 8482

    Highly efficient and rapid removal of Congo red dye from textile wastewater using facile synthesized Mg/Ni/Al layered double hydroxide by Eslam A. Mohamed, Hend M. Ahmed, Amal A. Altalhi, Hamdan A. S. Al-Shamiri, Nabel A. Negm

    Published 2025-01-01
    “…The prepared compounds were chemically and structurally elucidated using FT-IR, XRD, SEM, BET, TG-DTA, and XPS characterization. …”
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  3. 8483

    Advances in Ultrasound-Targeted Microbubble Destruction (UTMD) for Breast Cancer Therapy by Wu Y, Liu Y, Wu H, Tong M, Du L, Ren S, Che Y

    Published 2025-02-01
    “…This technique can enhance chemical, genetic, immune, and anti-vascular therapies through its physical and biological effects. …”
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  4. 8484

    Burn by battery, the dangers of portable devices − A case report by Milly S. van de Warenburg, Sophie A. Riesmeijer, Stefan Hummelink, Dietmar J.O. Ulrich, Mariëlle L.A.W. Vehmeijer-Heeman

    Published 2025-01-01
    “…This case appears to be part of a growing trend of lithium battery-related accidents, which can lead to a combination of flame, chemical, electrical, and contact burns. Healthcare providers must be prepared to manage the distinctive and often complex nature of battery-related burn injuries, which may differ substantially from traditional thermal burns in terms of depth, severity, and the required treatment protocols.…”
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  5. 8485

    Physicochemical kinetics of rapid soil stabilization using calcium sulfoaluminate-based cements by Nicholas Benjamin Petersen, Ashish Bastola, Pavan Akula, John Rushing

    Published 2025-03-01
    “…Geochemical modeling is proposed to model the chemical kinetics and predict the formation of strength-enhancing products in the stabilized soil mixtures. …”
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  6. 8486

    The Effects of Urban Pollution on the “Gesù Nuovo” Façade (Naples, Italy): A Diagnostic Overview by Alessandro De Rosa, Paola Cennamo, Chiara Saltarelli, Giorgio Trojsi, Juri Rimauro, Maria Rosaria Vigorito, Elena Chianese

    Published 2025-01-01
    “…Preliminary diagnostics consisted of XRD and FTIR to analyse the composition of stone materials and inquire about previous restorations. The chemical characterization of black crusts was performed, using a diverse array of techniques, to highlight how different compounds are distributed along a vertical gradient and considering the proximity of specific sources of pollution (vehicle engine ignition, incense combustion, domestic heating products). …”
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  7. 8487

    Seasonal soil health dynamics in soy-wheat relay intercropping by Jennifer B. Thompson, Thomas F. Döring, Timothy M. Bowles, Steffen Kolb, Sonoko D. Bellingrath-Kimura, Moritz Reckling

    Published 2024-08-01
    “…Using a field experiment in Eastern Germany, we studied the temporal dynamics of chemical, biological, and physical indicators of soil health in the topsoil over a year of cultivation to detect early effects of soy-wheat relay intercropping compared to sole cropping. …”
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  8. 8488

    The Effect of Variation in Solvent Concentration on Caffeine Content in Green Arabica Coffee Bean Extract (Coffea arabica) using UV-Vis Spectrophotometry by Nanda Tsalasani Zulfaidah, Endah Kurniawati, Gita Herdittya Putri, Fitria Widiani

    Published 2024-12-01
    “…Coffee beans contain various chemical compounds, one of which is caffeine. This study aims to determine the caffeine content with different solvent concentrations. …”
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  9. 8489

    An Intelligent Carbon-Based Prediction of Wastewater Treatment Plants Using Machine Learning Algorithms by Anwer Mustafa Hilal, Maha M. Althobaiti, Taiseer Abdalla Elfadil Eisa, Rana Alabdan, Manar Ahmed Hamza, Abdelwahed Motwakel, Mesfer Al Duhayyim, Noha Negm

    Published 2022-01-01
    “…Prediction of wastewater quality content which is presence of total nitrogen (T-N) and total phosphorous (T-P) elements, chemical oxygen demand (COD), biochemical demand (BOD), and total suspended solids (TSS) is associated with eutrophication that should be prevented. …”
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  10. 8490

    The GeoTox Package: open-source software for connecting spatiotemporal exposure to individual and population-level risk by Kyle P. Messier, David M. Reif, Skylar W. Marvel

    Published 2025-01-01
    “…Abstract Background Comprehensive environmental risk characterization, encompassing physical, chemical, social, ecological, and lifestyle stressors, necessitates innovative approaches to handle the escalating complexity. …”
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  11. 8491
  12. 8492

    Analysis of the Physicochemical Burden of Oyo State Fish Pond, Ibadan, Southwest Nigeria by BB Babatunde, GN Woke

    Published 2015-07-01
    “…Results of the physico-chemical parameters showed most of the parameters were higher than the maximum permissible limits for surface waters and discharge of wastewaters into surface waters. …”
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  13. 8493
  14. 8494
  15. 8495

    Preconcentration of Trace Amounts of Pb(II) Ions without Any Chelating Agent by Using Magnetic Iron Oxide Nanoparticles prior to ETAAS Determination by S. Z. Mohammadi, T. Shamspur, M. A. Karimi, E. Naroui

    Published 2012-01-01
    “…This work investigates the potential of magnetic Fe3O4 nanoparticles as an adsorbent for separation and preconcentration of trace amounts of lead from water samples prior to electrothermal atomic absorption spectrometry (ETAAS) determination. No chemical modifier is required in graphite furnace. …”
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  16. 8496

    Stress induced experimental colitis by T. A. Stein, L. Keegan, L.-J. Auguste, B. Bailey, L. Wise

    Published 1993-01-01
    “…Stress induces chemical changes in the central nervous system which alters the biochemistry and physiology of the digestive tract. …”
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  17. 8497
  18. 8498

    Magnetic micro-protrusion arrays with wrinkled polypyrrole surfaces for enhancing the performance of flexible pressure sensors by Ruixue Sun, Jie Lu, Pei Li, Pingan Yang, Jianchun Jiang, Mengjie Shou, Changrong Liao

    Published 2025-01-01
    “…The sensor consists of a substrate with surface micro-protrusion arrays formed by magnetic materials and a wrinkled PPy sensitive layer polymerized by chemical deposition. The internal micro-capacitance model of the sensor at different pressures was constructed, and the effects of the distribution degree of magnetic particles and the aspect ratio of the micro-protrusion on the equivalent capacitance were discussed. …”
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  19. 8499
  20. 8500