Showing 661 - 680 results of 1,341 for search '"column"', query time: 0.05s Refine Results
  1. 661

    A Validated RP – HPLC Method for Simultaneous Estimation of Cefixime and Cloxacillin in Tablets by G. Rathinavel, P. B. Mukherjee, J. Valarmathy, L. Samueljoshua, M. Ganesh, T. Sivakumar, T. Saravanan

    Published 2008-01-01
    “…The process was carried out on C18 column (5 μm, 25 cm × 4.6 mm, i.d) using phosphate buffer (pH 5.0), acetonitrile and methanol in the ratio 80:17:3 respectively as a mobile phase at a flow rate of 2mL/min. …”
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  2. 662

    Separating Mixture Glycols in DWC with Flow Rate-Composition Cascade Control Structure by Zhihui Ma, Yanyang Wu, Jianyuan Xu, Kui Chen, Bin Wu, Lijun Ji

    Published 2022-01-01
    “…Dividing wall column (DWC) is an advanced technology which could decrease energy consumption. …”
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  3. 663

    A Stability Indicating RP-HPLC Method for the Estimation of Gemcitabine HCl in Injectable Dosage forms by Shaik Mastanamma, G. Ramkumar, D. Anantha Kumar, J. V. L. N. Seshagiri Rao

    Published 2010-01-01
    “…Chromatography was carried out on an ODS C18 column (250×4.6 mm; 5μ) using a mixture of methanol and phosphate buffer (40: 60 v/v ) as the mobile phase at a flow rate of 1.0 mL/min. …”
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    Article
  4. 664

    Antibacterial and Antioxidant Compounds from the Flower Extracts of Vernonia amygdalina by Abere Habtamu, Yadessa Melaku

    Published 2018-01-01
    “…The CHCl3 extract after silica gel column chromatography has led to the isolation of two compounds identified as tricosane (1) and vernolide (2), while the acetone extract furnished isorhamnetin (3) and luteolin (4). …”
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  5. 665

    COCONUT HUSK CHAR BIOSORPTIVITY IN HEAVY METAL DIMINUTION FROM CONTAMINATED SURFACE WATER by AJAYI-BANJI ADEMOLA, SANGODOYIN ABIMBOLA, IJAOLA OPOLOLA

    Published 2015-12-01
    “…Heavy metals sorption on 100 g of the char dosage was studied under five different contact times in the column experiment. Isotherm and kinetic models were the probing tools for biosorption mechanism prediction. …”
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  6. 666

    Study on the Bearing Plate of Steel Clarification Tank under Earthquake by Xiwei Cheng, Chuyun Cheng, Wanlin Zhang, Lankai Hu, Xuansheng Cheng

    Published 2023-01-01
    “…In order to study the influence of the bearing plate on the seismic response of steel clarification tank, this paper analyzes the dynamic response of the clarification tank by setting different thickness bearing plates at the connection between the steel column and the structure body of the steel clarification tank. …”
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  7. 667

    LC-MS/MS Method for Simultaneous Quantification of Dexmedetomidine, Dezocine, and Midazolam in Rat Plasma and Its Application to Their Pharmacokinetic Study by Wenjuan Cui, Qin Liu, Shan Xiong, Lujun Qiao

    Published 2018-01-01
    “…Chromatographic separation was achieved on a C18 column (50 mm × 2.1 mm, 3 µm) using a mobile phase composed of water (containing 0.1% formic acid) and acetonitrile. …”
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  8. 668

    Identification of Plasma Absorbed Components of Qingxin Zishen Prescription by UPLC-Q-TOF MS by Yu HU, Juan SHANG, Xue-jiao LI, Yun-hua FENG, Kai-cheng XIE, Wei-feng YAO, Jian-dong ZOU, Yun CHEN, Su LU, Mei-juan XU

    Published 2025-01-01
    “…The column temperature was kept at 40 ℃. The MS and MS2 analysis were performed with the electrospray ionization (ESI) source under both positive and negative ion modes from m/z 100 to 1300. …”
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  9. 669

    Paleoclimatic and paleoenvironmental constraints on organic matter enrichment in the Paleocene strata in the Lishui Sag, East China Sea Shelf Basin by Shiyan Yin, Chuang Lei, Jiaren Ye, Jingfu Wu, Yu Wang, Ying Zhang, Xiaoying Han

    Published 2025-03-01
    “…Accordingly, the water column evolved from reducing to oxidizing and then to weakly oxidizing to oxidizing conditions. …”
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    Article
  10. 670

    Léon Cordes écrivain et paysan. L’expérience du Paysan du Midi (fin des années 1940 - début des années 1950) : un billet d’humeur en occitan dans la presse agricole en français... by Philippe Gardy

    Published 2023-12-01
    “…In 1952, under a pseudonym, he published a weekly humor column in Occitan, Sul pic de Miegjorn (Sur le coup de Midi), in Le Paysan du Midi, in which he commented on current events in vineyards, wine and much more, in a serious tone that was nonetheless full of critical verve. …”
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  11. 671

    A Validated HPLC-DAD Method for Simultaneous Determination of Etodolac and Pantoprazole in Rat Plasma by Ali S. Abdelhameed, Samar A. Afifi

    Published 2014-01-01
    “…Optimal chromatographic separation of the analytes was achieved on a Waters Symmetry C18 column using a mobile phase that consisted of phosphate buffer pH~4.0 as eluent A and acetonitrile as eluent B in a ratio of A : B, 55 : 45 v/v for 6 min, pumped isocratically at a flow rate of 0.8 mL min−1. …”
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  12. 672

    In Vivo Antimalarial Activity of the Leaf Extract of Osyris quadripartita Salzm. ex Decne and Its Major Compound (–) Catechin by Teyiba Kemal, Kebede Feyisa, Daniel Bisrat, Kaleab Asres

    Published 2022-01-01
    “…Isolation of a compound was carried out on silica gel column chromatography of the extract eluting with gradient mixtures of CHCl3/MeOH. …”
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  13. 673

    Characterization and Application of the Thermal Neutron Radiography Beam in the Egyptian Second Experimental and Training Research Reactor (ETRR-2) by M. A. Abou Mandour, R. M. Megahid, M. H. Hassan, T. M. Abd El Salam

    Published 2007-01-01
    “…It has four neutron beams and a thermal column as the main experimental devices. The neutron radiography facility unit utilizes one of the radial beam tubes. …”
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  14. 674

    Isocratic RP-HPLC Method for Simultaneous Separation and Estimation of Zofenopril and Hydrochlorthiazide in Pharmaceutical Dosage Forms by G. S. Devika, M. Sudhakar, J. Venkateshwara Rao

    Published 2012-01-01
    “…Chromatographic separation of the two drugs was performed on a Purospher BDS C18 column (250 mm × 4.6 mm id, 5 μm particle size). The mobile phase comprising of acetonitrile methanol: 0.02M NaH22PO4 buffer (40:20:40) was delivered at a flow rate of 1.0mL/min. …”
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  15. 675

    A Novel Coherence Reduction Method in Compressed Sensing for DOA Estimation by Jing Liu, ChongZhao Han, XiangHua Yao, Feng Lian

    Published 2013-01-01
    “…A novel method named as coherent column replacement method is proposed to reduce the coherence of a partially deterministic sensing matrix, which is comprised of highly coherent columns and random Gaussian columns. …”
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  16. 676

    Analytical Method Development and Validation for the Quantification of Acetone and Isopropyl Alcohol in the Tartaric Acid Base Pellets of Dipyridamole Modified Release Capsules by... by Sriram Valavala, Nareshvarma Seelam, Subbaiah Tondepu, V. Shanmukha Kumar Jagarlapudi, Vivekanandan Sundarmurthy

    Published 2018-01-01
    “…The method was developed and optimized by using fused silica DB-624 (30 m × 0.32 mm × 1.8 µm) column with the flame ionization detector. The method validation was carried out with regard to the guidelines for validation of analytical procedures Q2 demanded by the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH). …”
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  17. 677

    Selective Preconcentration of Gold from Ore Samples by Hurmus Refiker, Melek Merdivan, Ruveyde Sezer Aygun

    Published 2018-01-01
    “…The selective preconcentration of metal was examined using gold chelates prepared in column process under optimized conditions: pH, flow rate, volume of sample solution, nature of eluent, flow rate, and volume of eluent. …”
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  18. 678

    Evidence of pockmarks and seafloor gas venting in the northwestern Arabian Sea by Ahmed Abdelmaksoud, Aisha H. Al-Suwaidi, Moamen Ali, Azeem Shah, Sara S. Almehairbi, Lamia M. Al Ali, Mohammed Y. Ali

    Published 2025-01-01
    “…Multibeam bathymetry, water column backscatter and physical parameters, and two-dimensional seismic reflection data were used to map active seafloor seeps and pockmarks. …”
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  19. 679

    Determination of Anthracycline Drug Residual in Cleaning Validation Swabs of Stainless-Steel Equipment after Production of Cytostatic Injections Using HPLC Analytical Method by Zuzana Slivová, Radka Opatřilová

    Published 2015-01-01
    “…Linearity of the method was observed in the concentration range of 0.155–194 μg/mL when estimated using Zorbax TMS (5 μm, 0.25 m × 4.6 mm ID) column at 1.3 mL/min flow rate and 254 nm (DAD 190–600 nm). …”
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  20. 680

    A Novel HPLC Method for the Concurrent Analysis and Quantitation of Seven Water-Soluble Vitamins in Biological Fluids (Plasma and Urine): A Validation Study and Application by Margherita Grotzkyj Giorgi, Kevin Howland, Colin Martin, Adrian B. Bonner

    Published 2012-01-01
    “…Separation was achieved at 30°C on a reversed-phase C18-A column using combined isocratic and linear gradient elution with a mobile phase consisting of 0.01% TFA aqueous and 100% methanol. …”
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