Showing 901 - 920 results of 1,341 for search '"column"', query time: 0.06s Refine Results
  1. 901

    Early Identification of Traumatic Durotomy Associated with Atlantooccipital Dislocation May Prevent Retropharyngeal Pseudomeningocele Development by Robert S. Qiu, Mina G. Safain, Max Shutran, Alejandra M. Hernandez, Steven W. Hwang, Ron I. Riesenburger

    Published 2015-01-01
    “…We present the case of a 60-year-old man involved in a motor vehicle accident who suffered an atlantooccipital dislocation and C5-C6 three-column injury. A unique MRI image of a defect in the ventral dura posterior to C2 was appreciated. …”
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  2. 902

    Nutrients Release from a Novel Gel-Based Slow/Controlled Release Fertilizer by H. Ding, Y. S. Zhang, W. H. Li, X. Z. Zheng, M. K. Wang, L. N. Tang, D. L. Chen

    Published 2016-01-01
    “…Its nutrient release characteristics were studied to compare with conventional fertilizers through the soil column leaching method. The influences of soil factors, including temperature, pH, water, and nutrient contents in the G-CRF on nutrient release, were also investigated through soil-water incubation method. …”
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  3. 903

    Determination of hexachlorocyclopentadiene in water by HS-SPME-GC-MS by YOU Xihua, SHI Jinghua, WANG Weili, CAO Fangfang, ZHANG Fengju, QIN Chenghua

    Published 2025-01-01
    “…A headspace solid-phase microextraction gas chromatography-mass spectrometry(HS-SPME-GC-MS) method was established for the determination of hexachlorocyclopentadiene in water, with using headspace solid-phase microextraction injection, DB-1 chromatographic column separation, and gas chromatography/mass spectrometry detector detection. …”
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  4. 904

    Seasonal Changes and Spatial Variation in Water Quality of a Large Young Tropical Reservoir and Its Downstream River by Teck-Yee Ling, Norliza Gerunsin, Chen-Lin Soo, Lee Nyanti, Siong-Fong Sim, Jongkar Grinang

    Published 2017-01-01
    “…The results show that seasons impacted the water quality of the Bakun Reservoir, particularly in the deeper water column. Significantly lower turbidity, SRP, and TP were found during the wet season. …”
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  5. 905

    Research on the Reasonable Coal Pillar Width and Surrounding Rock Supporting Optimization of Gob-Side Entry under Inclined Seam Condition by Li-li Jiang, Zeng-qiang Yang, Gang-wei Li

    Published 2021-01-01
    “…The results show that the influence range of inside stress field is about 12.2∼12.8 m based on theoretical calculation result; under the influence of 10 m coal column, the overall deformation of the roadway is relatively small and within the reasonable range of engineering construction, so the width of the coal pillar along the return air roadway is set to 10 m which is more reasonable; the cross-section characteristics of special-shaped roadway lead to asymmetric stress distribution and fragmentation of surrounding rock, and then the asymmetric surrounding rock control technology under the coupling effect of roof prestressed anchor + high-strength single anchor cable + truss anchor cable support is proposed. …”
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  6. 906

    Stability-indicating HPLC-PDA assay for simultaneous determination of paracetamol, thiamine and pyridoxal phosphate in tablet formulations by Ali Amir, Athar Muhammad Makshoof, Ahmed Mahmood, Nadeem Kashif, Murtaza Ghulam, Farooq Umar, Salman Muhammad

    Published 2019-06-01
    “…Separation of analytes was carried out with an Agilent Poroshell C18 column. A mixture of ammonium phosphate buffer (pH = 3.0), acetonitrile and methanol in the ratio of 86:7:7 (V/V/V) was used as the mobile phase pumped at a flow rate of 1.8 mL min−1. …”
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  7. 907

    Simultaneous Determination of Amphenicols and Metabolites in Animal-Derived Foods Using Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry by Xinyi Wu, Xixi Shen, Xiangyue Cao, Rongrong Nie, Haonan Zhang, Changbo Tang, Wei Wang

    Published 2021-01-01
    “…We extracted crude samples with ethyl acetate and ammonia water (98:2, v/v), purified the samples with a CNW Si SPE column, defatted the samples with acetonitrile-saturated n-hexane, and then determined the resulting analytes by UHPLC-MS/MS. …”
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  8. 908

    An Improved LC-MS/MS Method for Simultaneous Determination of the Eleven Bioactive Constituents for Quality Control of Radix Angelicae Pubescentis and Its Related Preparations by Jin Li, Qiu-Hong Zhang, Jun He, Er-wei Liu, Xiu-mei Gao, Yan-xu Chang

    Published 2015-01-01
    “…These samples were separated with an Agilent Zorbax Extend reversed-phase C18 column (1.8 μm, 4.6 × 100 mm) by linear gradient elution using aqueous ammonium acetate and acetonitrile as mobile phase. …”
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  9. 909

    Investigation of optimal condition for Chlorella vulgaris microalgae growth by S. Daliry, A. Hallajsani, J. Mohammadi Roshandeh, H. Nouri, A. Golzary

    Published 2017-03-01
    “…So far, Researchers' efforts show that, the best condition for vulgaris cultivation is mixotrophic regime which is done in a bubble column photobioreactor. Glucose as carbonic source and nitrate as nitrogen source, have the most efficacy among nutrition conditions. …”
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  10. 910

    High Performance Liquid Chromatographic Assay for the Simultaneous Determination of Posaconazole and Vincristine in Rat Plasma by Hadeel A. Khalil, Ahmed F. El-Yazbi, Tarek S. Belal, Dalia A. Hamdy

    Published 2015-01-01
    “…The organic layer was evaporated in vacuo and dried residue was reconstituted and injected through HC-C18 (4.6 × 250 mm, 5 μm) column. In the mobile phase, acetonitrile and 0.015 M potassium dihydrogen orthophosphate (30 : 70 to 80 : 20, linear gradient over 7 minutes) pumped at 1.5 mL/min. …”
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  11. 911

    Large-Scale Plantlet Conversion and Ex Vitro Transplantation Efficiency of Siberian Ginseng by Bioreactor Culture by Jingli Yang, Shicheng Zhao, Changyeon Yu, Chenghao Li

    Published 2013-01-01
    “…To achieve large-scale low-cost ex vitro acclimatization of Siberian ginseng plants, heart- and torpedo-shaped secondary somatic embryos (SEs) induced from germinated SEs on agar medium were collected and then inoculated to 10-l bubble column bioreactor, respectively. For plantlet conversion, inoculation of torpedo-shaped secondary SEs was more effective than heart-shaped SEs. …”
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  12. 912

    Simplified MS2 phage-like particle production including a novel maturation protein internal fusion affinity tag by Enos C. Kline, Rose Duong, Qin Wang, Barry R. Lutz

    Published 2025-12-01
    “…Expanding on prior improvements, this study establishes a revised set of plasmid vectors for Emesvirus zinderi (MS2) derived PLPs that streamline vector manipulations for rapid prototyping of new particles, provide validation of an alternative affinity tag for purification, and contributes a high-throughput low-volume spin column purification strategy. These advancements are combined with a novel internal fusion site in MS2 maturation protein A, a passive element of the MS2 capsid in prior PLP designs, that is capable of displaying polypeptides on the particles’ surface. …”
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  13. 913

    Effects of Cover-Plate Geometry on the Mechanical Behavior of Steel Frame Joints with Middle-Flange and Wide-Flange H-Beams by Osama Zaid Yahya Al-Ansi, Linfeng Lu, Saleem Mohammed Ali Ahmed AL-Saeedi, Bingyou Liu

    Published 2025-01-01
    “…This study investigates the mechanical behavior of cover-plate reinforced connections in steel frames with I-section columns and middle- or wide-flange H-beams, addressing gaps in current design standards. …”
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  14. 914

    Validated UPLC-MS/MS Method for Determination of Futibatinib and Its Pharmacokinetics in Beagle Dogs by Heng Li, Hao-Zhe Ding, Yi-Lin Wang, Feng Zhang, Ya-Hao Song, Xiang-Jun Qiu

    Published 2022-01-01
    “…Futibatinib and IS were separated in an UPLC BEH C18 column (2.1 mm × 50 mm, 1.7 μm) with acetonitrile and 0.1% formic acid as the mobile phase, and the flow rate was 0.3 mL/min. …”
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  15. 915

    Descriptive ecology of abyssal decapods from Chapopote Knoll (southwestern Gulf of Mexico) by Adriana Gaytán-Caballero, Florence Schubotz, Ian R. MacDonald, Elva G. Escobar-Briones

    Published 2025-02-01
    “…The carbon (δ13C) and nitrogen (δ15N) values of A. muricola show a nutritional preference of bacteria from mats and water column detritus retained among the Sibolindiae, whereas the two Munidopsis species have wider spectrum diets. …”
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  16. 916
  17. 917

    Development of Hydrophilic Interaction Liquid Chromatography Method for the Analysis of Moxonidine and Its Impurities by Slavica Filipic, Milica Elek, Marija Popović, Katarina Nikolic, Danica Agbaba

    Published 2016-01-01
    “…All experiments were performed on the Agilent Technologies 1200 high-performance liquid chromatography (HPLC) system using Zorbax RX-SIL, 250 mm × 4.6 mm, 5 μm column as stationary phase (T=25°C, F=1 mL/min, and λ=255 nm), and mixture of acetonitrile and 40 mM ammonium formate buffer (pH 2.8) 80 : 20 (v/v) as mobile phase. …”
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  18. 918

    Impact of COVID-19 Pandemic on Air Pollution in Poland Based on Surface Measurements and Satellite Data by Mikalai Filonchyk, Volha Hurynovich, Haowen Yan

    Published 2021-03-01
    “…During this study, aerosol optical depth (AOD) observations from the Moderate Resolution Imaging Spectroradiometer (MODIS) were used along with tropospheric NO2 and SO2 vertical column densities from TROPOspheric Monitoring Instrument (TROPOMI). …”
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  19. 919

    Macrophage-derived neutrophil chemotactic factor is involved in the neutrophil recruitment inhibitory activity present in the supernatants of LPS-stimulated macrophages by B. M. Tavares-Murta, F. Q. Cunha, M. Dias-Baruffi, M. C. Roque-Barreira, S. H. Ferreira

    Published 1996-01-01
    “…After affinity chromatography of the macrophage supernatants on a D-galactose column, the inhibitory activity was recovered in both the unbound (D-gal−) and bound (D-gal+) fractions, with MNCF being found in the D-gal+ fraction. …”
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  20. 920

    Preliminary Studies on Liquiritin, Deoxyschizandrin, and Tanshinone II A as Potential Anti-Neurodegenerative Disease Agent: Determination by Reverse-Phase Liquid Chromatography in... by Dan Xu, Sicen Wang, Xiaofang Hou, Changshan Sun

    Published 2019-01-01
    “…Finally, a Kromasil C18 column (250 × 4.6 mm, 5 μm) thermostated at 30°C, mobile phase as 0.2% phosphoric acid solution (eluent A), and 0.1% phosphoric acid-acetonitrile solution (eluent B) were used. …”
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