Showing 9,281 - 9,300 results of 11,088 for search '"chemical"', query time: 0.07s Refine Results
  1. 9281
  2. 9282

    Bioactive Steroids with Structural Diversity from the South China Sea Soft Coral <i>Lobophytum</i> sp. and Sponge <i>Xestospongia</i> sp. by Lin-Mao Ke, Zi-Ru Zhang, Song-Wei Li, Yan-Bo Zeng, Ming-Zhi Su, Yue-Wei Guo

    Published 2025-01-01
    “…A chemical investigation of the soft coral <i>Lobophytum</i> sp. and the sponge <i>Xestospongia</i> sp. from the South China Sea led to the isolation of five steroids, including two new compounds (<b>1</b> and <b>4</b>) and one known natural product (<b>3</b>). …”
    Get full text
    Article
  3. 9283
  4. 9284

    Design and In Silico and In Vitro Evaluations of a Novel Nicotinamide Derivative as a VEGFR-2 Inhibitor by Ibrahim H. Eissa, Muhammad Abd ElGayed Bkrah, Reda G. Yousef, Hazem Elkady, Eslam B. Elkaeed, Bshra A. Alsfouk, Ibrahim M. Ibrahim, Ahmed M. Metwaly, Dalal Z. Husein

    Published 2024-01-01
    “…In conclusion, our study positions compound 10 as a promising candidate for further chemical modifications and biological evaluations.…”
    Get full text
    Article
  5. 9285

    The Kerbernez long-term experiment: A dataset on crop yield and soil organic matter evolution in forage crop rotations and permanent grasslands in a temperate oceanic climateData G... by Anne-Isabelle Graux, Alice Cadéro, Fabien Ferchaud, Françoise Vertès

    Published 2025-02-01
    “…This experiment compared the effect of different forage crop rotations fertilized with ammonium nitrate and/or slurry, with or without grassland, on forage production (quantity, quality) and changes in soil physio-chemical characteristics. These forage crop rotations were based on silage maize and cut monospecific grasslands of Italian ryegrass (Lolium multiflorum L.) or perennial ryegrass (Lolium perenne L.). …”
    Get full text
    Article
  6. 9286
  7. 9287
  8. 9288

    Squalene Extraction by Supercritical Fluids from Traditionally Puffed Amaranthus hypochondriacus Seeds by Teresa Rosales-García, Cristian Jiménez-Martínez, Anaberta Cardador-Martínez, Sandra Teresita Martín-del Campo, Luis A. Galicia-Luna, Dario Iker Téllez-Medina, Gloria Dávila-Ortiz

    Published 2017-01-01
    “…Extraction of squalene, a potent natural antioxidant, from puffed A. hypochondriacus seeds was performed by supercritical fluid extraction (SCFE); besides, to have a blank for comparison, extraction was performed also by Soxhlet method using organic solvents (hexane). Chemical proximal composition and seed morphology were determined in raw, puffed, and SCFE-extracted seeds. …”
    Get full text
    Article
  9. 9289

    A Machine Learning Based Framework for a Stage-Wise Classification of Date Palm White Scale Disease by Abdelaaziz Hessane, Ahmed El Youssefi, Yousef Farhaoui, Badraddine Aghoutane, Fatima Amounas

    Published 2023-09-01
    “…To counter this threat, precise detection of infected leaves and its infestation degree is important to decide if chemical treatment is necessary. This decision is crucial for farmers who wish to minimize yield losses while preserving production quality. …”
    Get full text
    Article
  10. 9290

    Producing 100+ MPa Field Concrete in Developing Countries: Requirements and Challenges by Youssef ElHawary, Mohamed Hamdy, John Haroun, Omar Youssef, Tamer Breakah, Mohamed Nagib

    Published 2024-12-01
    “…Concrete mixtures were prepared with different water-to-cement ratios and incorporated variety of chemical and mineral admixtures. Tests included fresh concrete, self-consolidation as well as hardened concrete properties in order to determine the properties of the concrete produced. …”
    Get full text
    Article
  11. 9291

    Time-series forecasting of microbial fuel cell energy generation using deep learning by Adam Hess-Dunlop, Harshitha Kakani, Stephen Taylor, Dylan Louie, Jason Eshraghian, Colleen Josephson

    Published 2025-01-01
    “…Soil microbial fuel cells (SMFCs) are an emerging technology which offer clean and renewable energy in environments where more traditional power sources, such as chemical batteries or solar, are not suitable. With further development, SMFCs show great promise for use in robust and affordable outdoor sensor networks, particularly for farmers. …”
    Get full text
    Article
  12. 9292

    Adsorption of iron by using hybrid Akar Putra and commercialized chicken eggshells as bio-sorbents from aqueous solution by H.M. Nasir, A. Azmi, A.Z. Aris, S.M. Praveena

    Published 2016-05-01
    “…The selection of the bio-sorbent materials is more favorable as it reduces dependency towards chemical usage in water treatment which could have complied with drinking water guideline that can be obtained easily, abundance in amount, cheap and biodegradable.…”
    Get full text
    Article
  13. 9293

    Increasing the Wear Resistance of Stamping Tools for Coordinate Punching of Sheet Steel Using CrAlSiN and DLC:Si Coatings by Sergey N. Grigoriev, Marina A. Volosova, Ilya A. Korotkov, Vladimir D. Gurin, Artem P. Mitrofanov, Sergey V. Fedorov, Anna A. Okunkova

    Published 2025-01-01
    “…This work describes the efficiency of complex CrAlSiN/DLC:Si coatings deposited using a hybrid unit combining physical vapor deposition and plasma-assisted chemical vapor deposition technologies to increase the wear resistance of a punch tool made of X165CrMoV12 die steel during coordinate punching of 4.0 mm thick 41Cr4 carbon structural steel sheets. …”
    Get full text
    Article
  14. 9294

    Improvement of Shelf Life and Sensory Quality of Pears Using a Specialized Edible Coating by Virgilio Cruz, Romeo Rojas, Saúl Saucedo-Pompa, Dolores G. Martínez, Antonio F. Aguilera-Carbó, Olga B. Alvarez, Raúl Rodríguez, Judith Ruiz, Cristóbal N. Aguilar

    Published 2015-01-01
    “…Coated pears coded as T13 (candelilla wax 3%, gum arabic 4%, jojoba oil 0.15%, and pomegranate polyphenols 0.015%) extended and improved their shelf life quality due to the minimization of the physic-chemical changes and sensorial properties. Therefore, the results indicated that the formulated edible coating has potential to extend the shelf life and maintain quality of pears. …”
    Get full text
    Article
  15. 9295

    Antimildew Treatment and Control Effect of Citral on Bamboo by Jingjing Zhang, Chungui Du, Rui Peng, Ailian Hu, Qi Li, Chunlin Liu, Yingying Shan, Shiqin Chen, Wenxiu Yin

    Published 2021-01-01
    “…Presently, chemical agents remain the main antimildew agents for bamboo, which has a certain negative impact on the environment and human health. …”
    Get full text
    Article
  16. 9296

    Extraction and Optimization of Tanning Material from Osyris lanceolata Barks: Cleaner Leather Tanning Processing by Zerihun Teshome, Tesfaye Agazhi, Tale Gashew, Biniyam Solomon, Tsion Belay, Belete Baye, Efrem Temach

    Published 2023-01-01
    “…In addition to these, the chemical and physical properties of experimentally treated leather were analyzed. …”
    Get full text
    Article
  17. 9297

    Removal of the Rhodamine B Dye at Ti/Ru0.3Ti0.7O2 Anode Using Flow Cell System by Ali Baddouh, Brahim El Ibrahimi, Elhassan Amaterz, M. Mohamed Rguiti, Lahcen Bazzi, Mustapha Hilali

    Published 2019-01-01
    “…The UV-visible spectroscopy and chemical oxygen demand (COD) measurements were conducted to monitor the removal and degradation of Rh-B. …”
    Get full text
    Article
  18. 9298

    Compilation and mapping of hydrogeological data for the Tadla irrigation perimeter by Iharzi Chaimae, Najine Abdessamad, Kassou Amina, Benmoussa Amroumousa, Mouzoun Ouafae, Essahlaoui Ali, Khrabcha Abdelali

    Published 2025-01-01
    “…In this study, 58 wells (42 from ORMVAT and 16 from ABHOER) were analyzed to determine the water table levels and groundwater quality. Different physico-chemical and bacteriological parameters were analyzed, such as, pH, EC, Cl⁻, NO₃⁻,SO₄²⁻, etc. …”
    Get full text
    Article
  19. 9299

    Dry Matter Production, Nutrient Cycled and Removed, and Soil Fertility Changes in Yam-Based Cropping Systems with Herbaceous Legumes in the Guinea-Sudan Zone of Benin by Raphiou Maliki, Brice Sinsin, Anne Floquet, Denis Cornet, Eric Malezieux, Philippe Vernier

    Published 2016-01-01
    “…DM removed and recycled, total N, P, and K recycled or removed, and soil chemical properties (SOM, N, P, K, and pH water) were significantly improved on yam-based systems with legumes in comparison with traditional systems.…”
    Get full text
    Article
  20. 9300

    Do the Street Sweeping and Washing Work for Reducing the Near-ground Levels of Fine Particulate Matter and Related Pollutants? by Sheng-Lun Lin, Yunzhou Deng, Ming-Yeng Lin, Shih-Wei Huang

    Published 2022-12-01
    “…Results show that there were certain reductions of PM2.5 after the street washing, especially for the road section with drainage ditch. The chemical mass balance model then pointed out the traffic contribution on PM2.5 significantly reduced on the downwind site (from 25.7% to 16.5%). …”
    Get full text
    Article