Showing 741 - 760 results of 1,341 for search '"column"', query time: 0.06s Refine Results
  1. 741

    Seismic vulnerability assessment of a hospital building with and without retrofitting using RC shear walls by Fauzan, Aryo Agista Geby, Syandriaji Diva, Al Jauhari Zev, Bima Suwarso Deara

    Published 2025-01-01
    “…The structural assessment of the existing hospital building revealed that the inter-story drift values exceed the drift limit, and column and beam structural elements cannot withstand the working loads. …”
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  2. 742
  3. 743

    An Ultrasound Assessed Extraction Combined with Ion-Pair HPLC Method and Risk Assessment of Nitrite and Nitrate in Cured Meat by Babiker Yagoub Abdulkair, Amin O. Elzupir, Abdulaziz S. Alamer

    Published 2018-01-01
    “…The best separation was achieved on a phenyl-hexyl column (150 mm × 4.6 mm, 3 µm) with a mobile phase composed of 25% acetonitrile and 75% buffer (2 mM disodium hydrogen phosphate and 3 mM tetrabutylammonium bromide, pH = 4). …”
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  4. 744

    Methodological Approach for Optimizing Production of Oxygen by Adsorption of Nitrogen from Air using Zeolite Li-LSX by Marwa Al-Yousuf, Raghad F. Almilly, Riyadh Kamil

    Published 2022-01-01
    “…Experiments were performed using a column (4 cm inside diameter and 17 cm length) packed with different heights of packing (h) of zeolite (9, 12, and 16 cm) from 0.4 to 0.8 mm diameter pellets. …”
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  5. 745

    The Construction Technology of Roof Steel Structure in YanCheng NanYang Airport by Qin Yang, Shaole Yu, Xuewei Zhang, Zhijun Wang, Junsheng Yan, Xinxi Chen

    Published 2018-01-01
    “…Then, the monitoring results, including monitoring of the main truss’ stress and column head, are introduced. The monitoring results revealed that the variation of stress in monitoring points followed the same trend as the monitoring data. …”
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  6. 746

    Determination of Polar Pesticides Based on a Modified QuPPe with Liquid Chromatography Coupled to Tandem Mass Spectrometry by Gözde Türköz Bakirci

    Published 2023-01-01
    “…An analytical approach for determining polar pesticides using a Hypercarb column that is based on a modified quick polar pesticide (QuPPe) extraction process combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) was examined. …”
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  7. 747

    Algorithm for Calculating Statically Indeterminate Trusses Using the Force Method by Vladimir V. Lalin, Timur R. Ibragimov

    Published 2024-12-01
    “…The governing system of equations eliminates the need to select redundant unknowns, as the column of unknowns is generated automatically. The method for obtaining compatibility equations in statically indeterminate truss cells is presented through a direct examination of changes in the area of truss loops. …”
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  8. 748

    Pharmacokinetic Study of Di-Phenyl-Di-(2,4-Difluobenzohydroxamato)Tin(IV): Novel Metal-Based Complex with Promising Antitumor Potential by Yunlan Li, Zhuyan Gao, Pu Guo, Qingshan Li

    Published 2012-01-01
    “…In this paper, a rapid, sensitive, and reproducible HPLC method in vivo using Diamonsil ODS column with a mixture of methanol and phosphoric acid in water (30 : 70, V/V, pH 3.0) as mobile phase was developed and validated for the determination of DPDFT. …”
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    Article
  9. 749

    Sweat Cortisol and Cortisone Determination in Healthy Adults: UHPLC-MS/MS Assay Validation and Clinical Application by Syed N. Alvi, Kafa Abuhdeeb, Muhammad M. Hammami

    Published 2022-01-01
    “…The samples were analyzed using an Atlantis dC18 (2.1 × 100 mm, 3 μm) column with a 2 mM ammonium acetate and acetonitrile (1 : 1, v : v) mobile phase. …”
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  10. 750

    Antioxidant, Antibacterial, and Cytoprotective Activity of Agathi Leaf Protein by A. S. Zarena, Shubha Gopal, R. Vineeth

    Published 2014-01-01
    “…(agathi) leaves was isolated after successive precipitation with 65% ammonium sulphate followed by purification on Sephadex G 75. The column chromatography of the crude protein resulted in four peaks of which Peak I (P I) showed maximum inhibition activity against hydroxyl radical. …”
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  11. 751

    Optimum Design of Braced Steel Space Frames including Soil-Structure Interaction via Teaching-Learning-Based Optimization and Harmony Search Algorithms by Ayse T. Daloglu, Musa Artar, Korhan Ozgan, Ali İ. Karakas

    Published 2018-01-01
    “…The stress constraints according to AISC-ASD (American Institute of Steel Construction-Allowable Stress Design), maximum lateral displacement constraints, interstorey drift constraints, and beam-to-column connection constraints are taken into consideration in the optimum design process. …”
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  12. 752

    Preparation and Heavy Metal Ions Chelating Properties of Multifunctional Polymer-Grafted Silica Hybrid Materials by Luciana Sartore, Kamol Dey

    Published 2019-01-01
    “…Two series of polyamidoamine-grafted silica, differing in the PAA chemical structure, were synthesized, and their heavy metal ions chelating properties were investigated. Column adsorption procedure for Cu, Zn, and Ni in aqueous solution was successfully established. …”
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  13. 753

    Experimental Investigation and Load Capacity of Slender Cold-Formed Lipped Channel Sections with Holes in Compression by Xingyou Yao

    Published 2021-01-01
    “…This paper presents a total of 42 axial compression tests of CFS lipped channel slender columns with and without circular and rectangular web holes, including different hole sizes and cross sections. …”
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  14. 754

    Simultaneous Determination of Six Active Components in Danggui Kushen Pills via Quantitative Analysis of Multicomponents by Single Marker by Huiwei Bao, Jihong Chi, Huailei Yang, Fangxin Liu, Kuo Fang, Yang Xu

    Published 2019-01-01
    “…The analysis was achieved on an Agilent ZORBAX SB-C18 column (250  mm × 4.6  mm, 5 μm) via gradient elution. …”
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  15. 755

    An extreme North Atlantic Oscillation event drove the pelagic Sargassum tipping point by Julien Jouanno, Sarah Berthet, Frank Muller-Karger, Olivier Aumont, Julio Sheinbaum

    Published 2025-02-01
    “…Among the hypotheses being debated about the origin and nutrient source to support the blooms are either: a) an increase in nutrient supply to the Atlantic Ocean via continental, or atmospheric inputs, or b) long-distance transport of a seed population during the North Atlantic Oscillation (NAO) event of 2009/2010 and stimulation of blooms in the tropical North Atlantic by nutrient supply primarily due to seasonal vertical mixing of the upper water column. The aim of this study is to address these alternate hypotheses. …”
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  16. 756

    Determination of Dabigatran Concentration in Human Plasma and Breast Milk by F. Sidgwick, A. Porter, P. Ayuk, F. Kamali, A. Truemann

    Published 2021-01-01
    “…Dabigatran was enriched from both matrices using solid-phase extraction prior to separation on a C8-RPLC column and detection using SRM on a QqTrap mass spectrometer. …”
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  17. 757

    Stability-Indicating High-Performance Liquid Chromatographic Determination of Levamisole Hydrochloride in Bulk and Dosage Forms by Amal Abdalraheem, Shaza Shantier, Imad Abureid, Elrasheed A. Gadkariem

    Published 2020-01-01
    “…The chromatographic separation was carried out on a C8 column (250 × 4.6 mm with a particle size of 5 micrometer) using a mixture of phosphate buffer pH 8.0 and acetonitrile (70 : 30 v/v) as the mobile phase pumped at a flow rate of 1.5 ml/min with UV detection at 215 nm. …”
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  18. 758

    Phytochemical Constituents, Antimicrobial activities and Isolation of Eupatorin from the Seed Extract of <i>L. inermis</i> LINN by R.S. Ochu, H. Ibrahim, A.O. Oyewale

    Published 2020-01-01
    “…The ethyl acetate extract was purified using column chromatography and eluted with ethyl acetate and ethanol solvents in various ratios. …”
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  19. 759

    A Stability-Indicating RP-HPLC-UV Method for Determination and Chemical Hydrolysis Study of a Novel Naproxen Prodrug by Mohamed H. M. Hamid, Tilal Elsaman

    Published 2017-01-01
    “…Separations were performed on a C18 column (150 × 4.6 mm i.d., 5 μm p.s.). The mobile phase consisted of acetonitrile and phosphate buffer pH 4.0 in the ratio 60 : 40. …”
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  20. 760

    The Potential of Graphene as an Adsorbent for Five Pesticides from Different Classes in Rape Oil Samples Using Dispersive Solid-Phase Extraction by Katarzyna Madej, Katarzyna Janiga, Wojciech Piekoszewski

    Published 2018-01-01
    “…The compounds of interest were separated and detected by an HPLC-UV employing a Kinetex XB-C18 column and a mobile phase consisting of acetonitrile and water flowing in a gradient mode. …”
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