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  1. 461

    Determination of Arctiin and Arctigenin Contents in Arctium Tomentosum Mill. by HPLC Method by Xiaoying Zhou, Haoke Zhang, Liang Ge, Haiyan Gong, Shuge Tian

    Published 2011-01-01
    “…Chromatographic separation was achieved by using HPLC system, consisting of a Shimadzu LC-6AD and Kromasil C18 column (250×4.6 mm, 5 μm, with pre-column), the mobile phase consists of methanol and water (55: 45). …”
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  2. 462

    Phytoplankton growth and succession driven by topography and hydrodynamics in seasonal ice-covered lakes by Ziyue Zhao, Yanfeng Wu, Y. Jun Xu, Yexiang Yu, Guangxin Zhang, Dehua Mao, Xuemei Liu, Changlei Dai

    Published 2025-05-01
    “…A typical seasonally ice-covered lake, Lake Chagan, was selected, and 164 water column and plankton samples were collected in 2023. …”
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  3. 463

    INFLUENCE OF MODIFICATION ON THE CHARACTER OF PRIMARY CRYSTALLIZATION AND CHARACTERISTICS OF HIGH-MANGANESE STEEL CASTINGS by A. I. Garost

    Published 2005-08-01
    “…The expediency of insertion of 0,03-0,15 % titaniumA into high-manganese steel for increase of its crack- and wear-resistance, breakage of the structure at initial crystallization, elimination of column construction of castings and improvement of mechanical characteristics is proved. …”
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  4. 464

    Nom d’un chien, nom d’humain ? Ces noms d’animaux qu’on utilise pour parler de nous by Daniel Elmiger

    Published 2024-12-01
    “…This column explores the intersection between gender and the vocabulary used to describe animals and human beings, highlighting the associated metaphors and stereotypes. …”
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  5. 465

    Construction and Repair of Water Wells with Circulation Regeneration System by I. I. Ivashechkin, P. A. Avtushko

    Published 2011-08-01
    “…The paper presents expressions for calculation of static heave while extracting a filter and a column and a corresponding example.…”
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  6. 466

    Assessment of greenness, blueness, and whiteness profiles of a validated HPLC-DAD method for quantitation of Donepezil HCl and Curcumin in their laboratory prepared co-formulated n... by Mennah M. Abd Elwahab, Samar Saad, Zeinab A. Sheribah, Nahed El-Enany

    Published 2025-01-01
    “…Optimum seperation was accomplished by utilising Zobrax Eclipse Plus C18 column (4.6*100 mm,5 μm) with gradient elution of the mobile phase composed of 0.02 M phosphate buffer at pH 3.2 and ethanol at flow rate of 1.5 ml/min. …”
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  7. 467

    Atmospheric Pollutants Assessment during the COVID-19 Lockdown Using Remote Sensing and Ground-based Measurements in Buenos Aires, Argentina by Natacha S. Represa, Lara S. Della Ceca, Gabriela Abril, María F. García Ferreyra, Carlos M. Scavuzzo

    Published 2020-11-01
    “…Also, we observed a reduction of the tropospheric NO2 column density mean by 54% at urban stations, and AOD values decreased between 38% and 66% during 2020. …”
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  8. 468

    Simultaneous Determination of Five Components of Chaihu-Shugan-San in Beagle Plasma by HPLC-MS/MS and Its Application to a Pharmacokinetic Study after a Single Dose of Chaihu-Shuga... by Yong-liang Zhu, Hui-jun Wang, Hao Xue, Yi Zhang, Qian-shi Cheng, Ling-yun Chen, Xiang-jun Qiu

    Published 2020-01-01
    “…The purpose of our study is to develop a reliable and sensitive high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method to detect five components in beagle plasma and study their pharmacokinetic after oral administration of CHSGS in beagles. An Agilent C18 column (2.1 × 150 mm, 3.5 μm) was used to separate the analytes, and the column temperature was maintained at 40°C. …”
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  9. 469

    Determination of 13 Aminoglycoside Residues in Milk by Weak Cation Exchange Solid Phase Extraction Coupled with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometr... by HE Jinlin, SHEN Luying, SUN Ting, FU Jianwei, YAN Lijuan, XU Dunming

    Published 2025-02-01
    “…Samples were extracted using a mixture of ammonium acetate buffer solution and acetonitrile, and purified using a WCX SPE column. Chromatographic separation was achieved using a SILICA SG80 column with gradient elution using a mobile phase made up of 0.1% formic acid aqueous solution and acetonitrile. …”
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  10. 470

    Experimental Study on Repairing and Strengthening Seismically Damaged RC Frames by Installing H-Shaped Steel by Yuebing Li, Qushenglin Song, Hang Wang, Liang Shan, Dawei Liu, Shuang Xing

    Published 2025-02-01
    “…However, most of these buildings exhibit minor or moderate damage and can be repaired and strengthened. “Strong columns and weak beams, strong joints and weak components” is the concept of seismic design of buildings, and the failure of beam–column joints and columns is considered nonideal. …”
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  11. 471

    Compression Performance of Newly Designed Replaceable Tubular Steel Piers by Haifeng Li, Xuehang Zhao, Wei Sun, Zhe Xiong

    Published 2020-01-01
    “…To rapidly restore the seismic behaviour of a portal steel bridge column after an earthquake, the installation of replaceable tubular steel piers at the root of a portal steel bridge column is proposed herein. …”
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  12. 472

    Identification method of wheel-rail two-point contact state in switch area by Ping Lu, Xinyi Li, Dabin Cui, Boyang An, Wenpeng Jiang

    Published 2025-01-01
    “…Given the problem that the current dynamic wheel-rail contact state is challenging to detect, a theory to detect the two-point contact state of the wheel-rail in switch area using a discrete gauge column was presented and proved in the finite element model. …”
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  13. 473

    Response Modification Factor of RC Frames Strengthened with RC Haunches by Junaid Akbar, Naveed Ahmad, Muhammad Rizwan, Sairash Javed, Bashir Alam

    Published 2020-01-01
    “…The design philosophy of the retrofit solution is to allow beam-column members to deform inelastically and dissipate seismic energy. …”
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  14. 474
  15. 475

    Establishment of Sensory Evaluation Method for Wolfberry Tea and Exploration of the Main Characteristic Aroma Substances by Yuanchao LI, Qinji LI, Yuqiong GUO, Zhilong HAO, Shan JIN

    Published 2025-02-01
    “…Results showed that the column cup brewing method with 4 g tea and 2 min brewing time was more suitable for the sensory evaluation of wolfberry tea. …”
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  16. 476

    Stability indicating eco-friendly HPLC method development and validation for the estimation of bisoprolol fumarate and telmisartan by Hitanshi Darji, Pratima Prajapati, Zarna Dedania, Ronak Dedania

    Published 2025-01-01
    “…Results The RP—HPLC method employing a reversed-phase C18 column with a gradient approach, the HPLC chromatography was carried out. …”
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  17. 477

    Prediction of the Bending Strength of Boltless Steel Connections in Storage Pallet Racks: An Integrated Experimental-FEM-SVM Methodology by Zhi-Jun Lyu, PeiCai Zhao, Qi Lu, Qian Xiang, HongLiang Li

    Published 2020-01-01
    “…Despite the fact that the finite element method (FEM) and physical experiment have been used to obtain the mechanical performance of beam-to-column connections (BCCs), those methods have the disadvantages of high computational complexity and test cost. …”
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  18. 478

    Research on the Production Process of 99Mo Based on Low Enriched Uranium Fuel in Medical Isotope Test Reactor by Haijun WANG, Zhizhong SUN, Zisheng GENG, Keyu LUO, Yu DENG, Yunming CHEN, Ning LUO, Jinsong ZHANG

    Published 2025-02-01
    “…The research primarily focused on the development and optimization of a novel method involving a combination of spherical alumina columns,an α-benzoin oxime column,and an activated carbon column. …”
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  19. 479

    Toxicity of Per- and polyfluoroalkyl substances in elutriates prepared with estuarine and freshwater sediments by Paige M. Krupa, Guilherme R. Lotufo, Jonna Boyda, Nicolas L. Melby, Ashley N. Kimble

    Published 2025-01-01
    “…To address data gaps concerning release of PFAS from sediment to the water column during dredged material aquatic placement or other sediment resuspension activity, we generated elutriates from PFAS-contaminated sediments. …”
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  20. 480

    Assessment of an Existing RC Building before and after Strengthening Using Nonlinear Static Procedure and Incremental Dynamic Analysis by Amir A. Hedayat, Hakan Yalciner

    Published 2010-01-01
    “…For this purpose, first, the weak structural elements (e.g.\ the not safety column-beam joints and weak columns) were detected using linear static procedure (LSP) analyses on the basis of Turkish earthquake code. …”
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