Showing 3,321 - 3,340 results of 9,796 for search 'determined (efficient OR efficiency) methods', query time: 0.28s Refine Results
  1. 3321
  2. 3322

    Detection of Organophosphorus Pesticides in Wheat by Ionic Liquid-Based Dispersive Liquid-Liquid Microextraction Combined with HPLC by Wei Liu, Ji Quan, Zeshu Hu

    Published 2018-01-01
    “…It was found that the use of 1-octyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([OMIM][Tf2N]) had both high enrichment efficiency and appropriate extraction recovery. Finally, the method was used for the determination of three wheat samples, and the recoveries of them were 74.8–112.5%, 71.8–104.5%, and 83.8–115.5%, respectively. …”
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  3. 3323

    Stability and vibration analyses of tapered columns resting on one or two-parameter elastic foundations by Masoumeh Soltani, Foudil Mohri

    Published 2014-12-01
    “…In order to demonstrate the accuracy and the efficiency of presented method, several numerical examples including in the free-vibration and buckling analysis of non-prismatic columns, portal frame, and gable frame are presented and obtained results compared with the results of other available numerical and theoretical approaches. …”
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  4. 3324
  5. 3325

    Analysis of an Aqueous Extract from Turkish Galls Based on Multicomponent Qualitative and Quantitative Analysis Combined with Network Pharmacology and Chemometric Analysis by Ya Zeng, Lu Zhao, Meng Hao, Mirzat Maimaiti, Zhi Li, Minghui Zhang, Xuan Ma

    Published 2024-01-01
    “…Statistical analysis revealed significant differences in the content of these 4 components across 14 batches of TG, with GA and PEGG identified as the primary contributors to the variations. This study determined a quality index for TG, providing a reference for quality evaluation and introducing a cost-effective and efficient quality control method. …”
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  6. 3326

    In Situ Synthesis of a Magnetic Graphene Platform for the Extraction of Benzimidazoles from Food Samples and Analysis by High-Performance Liquid Chromatography by Qianchun Zhang, Yulan Liu, Xingyi Wang, Huimin Li, Junyu Chen

    Published 2017-01-01
    “…A novel method was proposed for the determination of five benzimidazoles (oxfendazole, mebendazole, flubendazole, albendazole, and fenbendazole) using magnetic graphene (G-Fe3O4). …”
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  7. 3327

    Rapid Quality Identification of Decoction Pieces of Crude and Processed Corydalis Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics by Weihao Zhu, Hao Hong, Zhihui Hong, Xianjie Kang, Weifeng Du, Weihong Ge, Changyu Li

    Published 2021-01-01
    “…These methods can greatly improve the efficiency of traditional Chinese medicine analysis and provide a strong scientific basis for the quality identification and control of traditional Chinese medicine.…”
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  8. 3328
  9. 3329

    A Simple, Rapid, Fluorometric Assay for Dopamine by In Situ Reaction of Boronic Acids and cis-Diol by Xiaoxia Liu, Miaomiao Tian, Wenmei Gao, Jinzhong Zhao

    Published 2019-01-01
    “…An efficient, sensitive, and low-cost method has been developed for turn-on fluorescence sensing of dopamine (DA). …”
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  10. 3330

    Acylation of Chiral Alcohols: A Simple Procedure for Chiral GC Analysis by Mireia Oromí-Farrús, Mercè Torres, Ramon Canela

    Published 2012-01-01
    “…The best resolutions were obtained with 2-pentyl acetates (α=3.00) and 2-hexyl acetates (α=1.95). This method provides a very simple and efficient experimental workup procedure for analyzing chiral alcohols by chiral-phase GC.…”
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  11. 3331
  12. 3332

    Strategic Combination of Isocratic and Gradient Elution for Simultaneous Separation of Polar Compounds in Traditional Chinese Medicines by HPLC by Mei-Tuo Zhang, Xiao-Xue Ye, Wei Lan, Yan-Ling Yang, Tsunghsueh Wu, Yu-Sang Li, He-Bin Tang

    Published 2018-01-01
    “…This method therefore provides a more efficient way to determine the polar components present in traditional Chinese medicines. …”
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  13. 3333
  14. 3334

    Investigating Advanced Approaches Based on Iso-Absorptivity Coefficient in Unresolved Spectral Signals of Binary Mixtures by Hayam M. Lotfy, Sarah S. Saleh

    Published 2019-01-01
    “…This work introduced an investigation concerning the efficiency power of recent methods based on iso-absorptivity coefficient in different spectral signals. …”
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  15. 3335

    A Human Oral Fluid Assay for D- and L- Isomer Detection of Amphetamine and Methamphetamine Using Liquid-Liquid Extraction by Brian Robbins, Rob E. Carpenter, Mary Long, Jacob Perry

    Published 2022-01-01
    “…And clinical laboratories need a sensitive, efficient assay for routine assessment of D- and L-isomers to determine the probable source of these potentially illicit analytes. …”
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  16. 3336

    Exploring the Use of AI in Qualitative Data Analysis: Comparing Manual Processing with Avidnote for Theme Generation by S. M. Akramul Kabir, Fareeha Ali, Rana Lotfy Ahmed, Ruqayya Sulaiman-Hill

    Published 2025-04-01
    “…Avidnote can be a valuable supplementary tool in the analysis phase of research, as it has the potential to increase efficiency, reduce bias, reveal subtle themes, and help to compare and contrast themes. …”
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  17. 3337
  18. 3338

    Study on Dicarboxylic Acids in Aerosol Samples with Capillary Electrophoresis by Heidi Adler, Heli Sirén

    Published 2014-01-01
    “…The research was performed to study the simultaneous detection of a homologous series of α, ω-dicarboxylic acids (C2–C10), oxalic, malonic, succinic, glutaric, adipic, pimelic, suberic, azelaic, and sebacic acids, with capillary electrophoresis using indirect UV detection. Good separation efficiency in 2,6-pyridinedicarboxylic acid as background electrolyte modified with myristyl trimethyl ammonium bromide was obtained. …”
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  19. 3339

    A Chelating Resin of EDTA-Type Modified Cross-Linking Polystyrene to Preconcentrate Trace Metals for Seawater Detection by Chao Li, Linna Duan, Mingchao Han, Hongwei He, Mengxiang Yuan, Hairong Wang

    Published 2022-01-01
    “…Compared with the conventional solvent method, the novel material and enrichment device have high preconcentration efficiency, strong anti-interference ability, and low cost and could be directly applied for routine seawater detection.…”
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  20. 3340

    Quantitative Analysis of Panax ginseng by FT-NIR Spectroscopy by Xin-fang Xu, Li-xing Nie, Li-li Pan, Bian Hao, Shao-xiong Yuan, Rui-chao Lin, Hai-bo Bu, Dan Wang, Ling Dong, Xiang-ri Li

    Published 2014-01-01
    “…Near-infrared spectroscopy (NIRS), a rapid and efficient tool, was used to determine the total amount of nine ginsenosides in Panax ginseng. …”
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