Showing 761 - 780 results of 14,114 for search '"chemical"', query time: 0.09s Refine Results
  1. 761
  2. 762

    Identification and Mass Spectrometric Fragmentation Pathways of Chemical Components in the Traditional Chinese Medicine Formula of Jiuwei Decoction by Jia-yu ZHAO, Yue-guang LYU, Tong XIN, Qian-qian GUO, Wen-ying ZHANG, Jin-hong LI, Hong-yu XUE, Qiang MA

    Published 2025-01-01
    “…TCM formulations represent a cornerstone of treatment, with their chemical composition serving as the fundamental basis for their pharmacological effects. …”
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    Article
  3. 763

    Detection methods and biological treatment of typical organic compounds in tail water of chemical/pharmaceutical industrial parks by YANG Lei, FU Ruotong, JIN Wenhui, FU Shiying, SHAO Zhen, WANG Xueting, CHEN Chuan*

    Published 2024-02-01
    “…In order to meet the demand for the identification and detection of high-risk environmental pollutants in industrial park tail water, this paper adopted the gas chromatography-mass spectrometry (GC-MS) method to achieve the rapid qualitative analysis of alkanes, olefins, benzenes, ketones, alcohols, esters, acids, and other organics in the tail water of chemical/ pharmaceutical industrial parks. Based on the production process and water quality research and analysis of key enterprises within the industrial park, typical organic compounds, including 3-hexanol, 3-hexanone, methyl 3-(3,5-di-tertbutyl-4-hydroxyphenyl) propionate, and 4-bromo-2,6-di-tert-butylphenol were selected. …”
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  4. 764

    Comparative Evaluation of Selected Grass Species for Agronomic Performance, Forage Yield, and Chemical Composition in the Highlands of Ethiopia by Aysheshim Bantihun, Bimrew Asmare, Yeshambel Mekuriaw

    Published 2022-01-01
    “…Farmers engaged in forage grass production could seriously consider the harvesting stage as the grasses responded differently to the chemical composition.…”
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    Article
  5. 765

    Evaluation of the Safety of High-Salt Wastewater Treatment in Coal Chemical Industry Based on the AHP Fuzzy Method by Shijun Guo, Shubham Sharma, Alibek Issakhov, Nima Khalilpoor

    Published 2021-01-01
    “…Epichlorohydrin (ECH) is a widely used chemical product. The production of glycerol has its irreplaceable advantages. …”
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    Article
  6. 766
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  8. 768
  9. 769

    Comparative efficacy of chemical peels and laser treatments in melasma: a meta-analysis of randomized controlled trials by Ingyu Lee, SeoWon Kang, JinHan Lee, Hyungin Cho, Ki Won Lee, Dongkeun Lim

    Published 2024-12-01
    Subjects: “…chemical peels; laser treatments; melasma; meta-analysis; post-inflammatory hyperpigmentation; randomized controlled trials…”
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    Article
  10. 770

    Physical and chemical characteristics of pyrogenic carbon from peatland vegetation fires differ across burn severities by Oscar J. Kennedy-Blundell, Emma L. Shuttleworth, James J. Rothwell, Gareth D. Clay

    Published 2025-01-01
    “…However, in the United Kingdom context, the characterisation of physical and chemical properties of PyC is limited.MethodsIn this study, samples of peatland vegetation (Calluna vulgaris, Polytrichum juniperinum, Vaccinium myrtillus and Eriophorum vaginatum) were burnt in laboratory conditions across typical ranges of characteristics from United Kingdom peatland vegetation fires (250°C–800°C and 2–10 min burn duration). …”
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  11. 771
  12. 772

    Expanding Thermal Plasma Chemical Vapour Deposition of ZnO:Al Layers for CIGS Solar Cells by K. Sharma, B. L. Williams, A. Mittal, H. C. M. Knoops, B. J. Kniknie, N. J. Bakker, W. M. M. Kessels, R. E. I. Schropp, M. Creatore

    Published 2014-01-01
    “…Aluminium-doped zinc oxide (ZnO:Al) grown by expanding thermal plasma chemical vapour deposition (ETP-CVD) has demonstrated excellent electrical and optical properties, which make it an attractive candidate as a transparent conductive oxide for photovoltaic applications. …”
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    Article
  13. 773

    Removal of Cd (II) from Aqueous Media by Adsorption onto Chemically and Thermally Treated Rice Husk by María Camila Hoyos-Sánchez, Angie Carolina Córdoba-Pacheco, Luis Fernando Rodríguez-Herrera, Ramiro Uribe-Kaffure

    Published 2017-01-01
    “…Chemically and thermally treated rice husks were evaluated as a potential decontaminant of toxic Cd (II) in aqueous media. …”
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    Article
  14. 774

    Syngas Generation from Methane Using a Chemical-Looping Concept: A Review of Oxygen Carriers by Kongzhai Li, Hua Wang, Yonggang Wei

    Published 2013-01-01
    “…Conversion of methane to syngas using a chemical-looping concept is a novel method for syngas generation. …”
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    Article
  15. 775
  16. 776

    Comprehensive comparison on the chemical metabolites and taste evaluation of tea after roasting using untargeted and pseudotargeted metabolomics by Zongde Jiang, Zisheng Han, Mingchun Wen, Chi-Tang Ho, You Wu, Yijun Wang, Na Xu, Zhongwen Xie, Jinsong Zhang, Liang Zhang, Xiaochun Wan

    Published 2022-05-01
    “…Flavonol glycosides including kaempferol-glucose, quercetin-glucose, kaempferol-glucose-rhamnose-glucose, and quercetin-glucose-rhamnose-glucose in roasted teas were also significantly less than non-roasted teas. To study the chemical changes during roasting, tea with a strong astringency was roasted under 80, 100, 120, 140, and 160 °C. …”
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    Article
  17. 777

    Exploring the feasibility of near-infrared spectroscopy in analyzing and predicting the chemical and biochemical changes of chitin-amended soils by Ken Abamba Omwange, Ana Chen, Renfu Lu, Carly Daiek, Julie Celini, Yan Liu

    Published 2025-02-01
    “… Chitin, a natural polymer, has been added to soil to enhance plant resistance to pathogens, yet its impact on soil’s chemical and biochemical properties remains unclear. …”
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    Article
  18. 778
  19. 779

    Physical and Chemical Properties of Biodiesel Obtained from Amazon Sailfin Catfish (Pterygoplichthys pardalis) Biomass Oil by F. Anguebes-Franseschi, A. Bassam, M. Abatal, O. May Tzuc, C. Aguilar-Ucán, A. T. Wakida-Kusunoki, S. E. Diaz-Mendez, L. C. San Pedro

    Published 2019-01-01
    “…In this work, the production of biodiesel from Amazon sailfin catfish biomass oil is studied. The physical and chemical properties of biofuel produced were evaluated under the specifications of the European standard EN-14214 by using gas chromatography-mass spectrometry, infrared spectroscopy, and atomic absorption spectrometry analyses. …”
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    Article
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