Showing 241 - 260 results of 5,501 for search 'solution extraction', query time: 0.13s Refine Results
  1. 241

    Development of identification criteria for fruit vodkas (Part 1. Sample preparation ways) by L. N. Krikunova, E. V. Ulyanova, S. M. Tomgorova, D. V. Andrievskaya, V. A. Trofimchenko

    Published 2023-01-01
    “…The  present review  examines three main  types of sample preparation (liquid  extraction, solid-phase extraction, supercritical fluid extraction) and  modifications of these methods. …”
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    Article
  2. 242

    Fractionating the Flavonoids in <i>Lonicerae japonicae</i> Flos and <i>Lonicerae flos</i> via Solvent Extraction Coupled with Automated Solid-Phase Extraction by Lingyi Li, Shanbo Zhang, Bin Yu, Shao Quan Liu, Yancai Xiong

    Published 2024-11-01
    “…For the optimisation of the solvent extraction method, solvent concentration (0.0, 20.0, 40.0, 60.0, 80.0 and 100.0% (<i>v</i>/<i>v</i>) of ethanol–water solution), extraction temperature (40, 60 and 80 °C) and extraction time (15.0, 30.0, 60.0, 90.0 and 120.0 min) were evaluated via design of experiment after screening. …”
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  3. 243

    Optimisation of Ultrasound-Assisted Extraction Conditions Using Response Surface Methodology and Identification of Thymoquinone from Black Cumin (Nigella sativa L.) Seed Extract§ by Nita Kaushik, Aradhita Barmanray

    Published 2025-01-01
    “…With growing global interest in natural health solutions, the aim of this study is to optimise ultrasound-assisted extraction (UAE) conditions to maximise thymoquinone yield from the extract of black cumin (Nigella sativa L.) seeds and characterise the bioactive compounds. …”
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    Article
  4. 244

    Lignin Dissolution of Sengon and Leda woods during Alkali Extraction by Deded Sarip Nawawi, Adesna Fatrawana, Wasrin Syafii

    Published 2021-03-01
    “…Wood samples were extracted in 1% sodium hydroxide solution in cold and hot temperatures for 24 and 1 h, respectively. …”
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  5. 245
  6. 246

    Corrosion Inhibition of Aluminium in Acid Media By Citrullus Colocynthis Extract by Rajkiran Chauhan, Urvija Garg, R. K. Tak

    Published 2011-01-01
    “…Inhibition of corrosion of aluminium in acid solution by methanol extract of Citrullus colocynthis plant has been studied using mass loss and thermometric measurements. …”
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  7. 247

    Development of technology for preparation of pressed beet pulp for pectin extraction by N. M. Daisheva, S. O. Semenikhin, A. A. Fabritskaya, M. M. Usmanov

    Published 2023-07-01
    “…Effective technological regimes for the preparation of  pressed beet pulp for pectin extraction using chemical and physical impact methods have been  determined, namely, treatment of pressed beet pulp with a 20% aqueous solution at a ratio of pressed beet  pulp: hydrogen peroxide solution equal to 1,0: 1,0, and constant stirring for 90 minutes, separating the  pulp from the liquid phase, its subsequent grinding to a particle size of less than 2.0 mm and EMF MV  treating with a heating rate to reach a temperature of 60℃, equal to 0,6℃/s. …”
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  8. 248

    DEVOLOPMENT OF COMPOSITION AND TECHNOLOGY OF EYE MEDICINAL FILMS WITH ALOE EXTRACT by Y. V. Shikova, V. A. Lichoded, A. V. Brazhenko, Z. R. Ishmakova, I. F. Girfanov

    Published 2016-09-01
    “…Based on the study of literature data the selected samples were administered with 10% of aloe liquid extract. Prepared homogeneous transparent polymer solutions were cast on glass petri dish, pretreated with ethyl alcohol layer with a thickness of 5 mm. …”
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  9. 249

    EFFECT OF SOME PLANT EXTRACT AND ANTIBIOTIC ON Cucumber Mosaic Cucumovirus by N.A. Kassim

    Published 2006-12-01
    “…Purified caffeine showed the best efficiency in the inhibiting the infection caused by CMV in vitro, when mixed its solution with crude sap of infected plant, followed by the extraction of dried flower of carnation, then by tea extraction, by using Chenopodium amaranticolor as indicator plant, while the antibiotic, chloramphenicol showed the best inhibiting effect on this virus in vitro, then followed by penicillin, but mercurochrome did not showed any effect on CMV. …”
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  10. 250

    Interaction of rhodium(III) chloride complexes with formaldehyde into the sulphate and chloric solutions. by T. M. Buslaeva, G. M. Voldman, D. A. Lapshin, N. M. Bondar

    Published 2008-08-01
    “…Interaction of Rhodium(III) Chloride complexes with Formaldehyde into the sulphate and chloric solutions has been studied. Probably stages of reducing process that proceeds with metal Rhodium formation has been suggested. …”
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  14. 254

    Research Progress in Extraction and Stability Evaluation of Plant Oil Bodies by SHAN Ziming, PENG Yu, QIN Chenqiang, FU Rao, LI Mo, NI Yuanying, WEN Xin

    Published 2024-10-01
    “…There are diverse extraction methods and conditions for plant oil bodies, which can be generally classified into three categories: water extraction, solution extraction, and enzyme-assisted extraction. …”
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  15. 255

    Enhancing Symbol Recognition in Library Science via Advanced Technological Solutions by Eleonora Bernasconi, Stefano Ferilli

    Published 2025-02-01
    “…A CNN model was developed using an extensive dataset comprising over 6000 symbols, implementing meticulous preprocessing, feature extraction, and supervised learning protocols. The methodological pipeline incorporates advanced image segmentation techniques to isolate symbols from complex manuscripts, followed by data augmentation to enhance model resilience. …”
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  16. 256

    Study on extraction and quantification of fiber pigment matter in colored cotton by WANG Xue-de, LI Yue-you

    Published 2002-11-01
    “…Pigment matter in mature fibers of brown or green cotton was extracted by organic solvent (ethanol, aether and dimethylbenzene), acid and alkaline solution, and HNO<sub>3</sub>/ethanol. …”
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  17. 257

    Validated Extractive Spectrophotometric Estimation of Tadalafil in Tablet Dosage Form by J. Adlin Jino Nesalin, C. Jose Gnana Babu, G. Vijaya Kumar, T. Tamizh Mani

    Published 2009-01-01
    “…Methods A and B are based on the formation of ion-pair complexes of the drug with dyes such as bromothymol blue (BTB) and bromocresol green (BCG) in acidic buffer solution followed by their extraction with chloroform to form yellow colored chromogen with absorption maxima at 420 nm and 415 nm respectively. …”
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  18. 258

    Rule extraction from scientific texts: Evaluation in the specialty of gynecology by Amina Boufrida, Zizette Boufaida

    Published 2022-04-01
    “…Due to the considerable increase in freely available data (especially on the Web), extracting relevant information from textual content is a critical challenge. …”
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  19. 259

    Characteristics and Antibacterial Activity of Chitosan and Green Tea Extracts in Mouthwash by Hijria Mardhilla Pidada, Decky Joesiana Indrani

    Published 2025-02-01
    “…This method entails the creation of a thermodynamically stable, isotropic solution of a substance in water by the addition of a surfactant. …”
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  20. 260

    The Extractive Industry’s Decarbonization Potential Using Electrification and Hydrogen Technologies by Antonis Peppas, Chrysa Politi, Maria Taxiarchou

    Published 2025-03-01
    “…Electrified indirect-fired metallurgical kiln advantages are also presented, a solution that can substitute fossil fuel-based heating technologies, which is one of the main backbones of industrial processes currently applied to the extractive industries.…”
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