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  1. 841

    Determination of the total content of some secondary metabolites in various organs of the Dagestan samples of Capparis herbacea Willd. by F. A. Vagabova, G. K. Radjabov, A. M. Musaev, F. I. Islamova

    Published 2021-03-01
    “…The collected raw materials were divided into fractions (organs), dried in the shade to an air-dry mass, then subjected to further analysis to determine the total content of flavonoids, anthocyanins by the spertrophotometric method on SF-56; the total content of antioxidants by the amperometric method on the instrument of express analysis "Color-Yauza-001-AAA ".Results. …”
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  2. 842

    Simultaneous determination of 80 veterinary drug residues in chicken by QuEChERS-UPLC-MS/MS by LI Hong, XIANG Jun, LI Dan, LI Li-juan, HE Qing-ke

    Published 2023-10-01
    “…<b>Objective:</b> This study aimed to establish a method for the simultaneous determination of 80 veterinary drugs including quinolones, sulfonamides, receptor agonists, glucocorticoids, macrolides, tetracyclines, antiviral drugs in chicken by QuEChERS-ultra high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). …”
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  3. 843
  4. 844
  5. 845

    Spectrophotometric Determination of Chloramphenicol by Oxidative Coupling Reaction with Naphthalene-1, 5-Diamine in the Presence of Potassium Iodate by Kameran Shukur Hussein, Abdul Majeed Khorsheed Ahmed, Fatimah Yunadi Mohammed

    Published 2021-12-01
    “… A simple, accurate, and sensitive method for the spectrophotometric determination of Chloramphenicol (CAP) in pharmaceutical preparations. …”
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  6. 846

    Green first derivative synchronous spectrofluorimetric determination of lacidipine and its acid degradation product in plasma and mixtures by Khalid A.M. Attia, Mohamed A. Hasan, Abdalla M. El-Shanawany

    Published 2025-07-01
    “…The regression plot of the proposed first derivative synchronous spectrofluorimetric method was found to be linear over the range of 50–300 ng/mL with a determination coefficient equals 0.9997, limit of detection (LOD) was 14.51 ng/mL but limit of quantification (LOQ) was 43.97 ng/mL.…”
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  7. 847

    Relevance of external factors in choosing a special vehicle for the perishable freight conveyance by T. I. Nabatcikova, A. V. Kostin, S. N. Naumenko

    Published 2023-04-01
    “…When choosing them, the shipper should know the estimated period of transportation of perishable food, where the temperature of the latter would remain within the range of established transportation and storage temperatures.Materials and methods. The calculation of the permissible transportation period uses the overall heat transfer coefficient of the body of a special vehicle determined by thermal tests using internal heating or cooling methods with mathematical dependencies that factor in the calculated change in the heat transfer coefficient during movement in train set.Results. …”
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  8. 848
  9. 849

    Assessing the Accuracy of Cameriere’s Model for Dental Age Estimation on Seven Mandibular Teeth on the Right and Left Sides of Orthopantomogram by Rachana V. Prabhu, Prabhisha G. Nair, Prashanth Shenoy, Laxmikanth Chatra

    Published 2024-07-01
    “…Introduction: The present study aimed to determine the accuracy of Cameriere’s formula on both the right and left sides of the mandible in the Dakshina Karnataka population of South India and to identify which side is most efficient in determining age. …”
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  10. 850

    Determination of advantame in sauce products by ultrasonic extraction-high performance liquid chromatography and its uncertainty analysis by HUANG Huimin, LIU Ning, DUAN Hu, YANG Guang

    Published 2024-12-01
    “…The method had the advantages of simple extraction, less pollution, short time, high sensitivity, accurate and stable results, which could be applied to the determination of advantame in sauce products. …”
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  11. 851

    Determination of 18 amino acids in Tianlongquan seasoning glutinous rice wine by HPLC with pre-column derivatization by ZHANG Long, HAO Junguang, MO Wei, WAN Ruijie, WEI Haidan, QI Cen, HOU Hui, LIANG Zhenrong, WU Jinyan, LIN Haichao

    Published 2024-09-01
    “…The method was simple, accurate and efficient, and could be used to quantitatively determine the contents of amino acids in Tianlongquan seasoning glutinous rice wine and related products.…”
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  12. 852

    Simultaneous determination of 13 non-phthalate plasticizers in strong-flavor Baijiu by gas chromatography-mass spectrometry by RAN Yifan, HE Cheng, WANG Ming, AO Zonghua, LIAO Yuan, YANG Qin, DONG Liang, LI Chenyang, LIU Yalan

    Published 2025-05-01
    “…A method for the simultaneous determination of 13 non-phthalate plasticizers in strong-flavor (Nongxiangxing) Baijiu by gas chromatography- mass spectrometry (GC-MS) was established. …”
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  13. 853
  14. 854
  15. 855

    Tracking the correlation of mineral intakes among family pairs over nine years: a longitudinal study by Farshad Teymoori, Mahdi Akbarzadeh, Niloufar Saber, Mitra Kazemi Jahromi, Ebrahim Mokhtari, Parisa Riahi, Hossein Farhadnejad, Hamid Ahmadirad, Asiyeh Sadat Zahedi, Sajedeh Masjoudi, Danial Habibi, Maryam Zarkesh, Mohammadreza Vafa, Parvin Mirmiran, Maryam S. Daneshpour, Fereidoun Azizi

    Published 2025-01-01
    “…Mineral intake was measured using a food frequency questionnaire. Methods FCOR command of the Statistical Analysis for Genetic Epidemiology software was used to determine the correlation coefficients of minerals in relative pairs. …”
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  16. 856

    Prediction of Rheological Parameters of Polymers by Machine Learning Methods by T. N. Kondratieva, A. S. Chepurnenko

    Published 2024-03-01
    “…New predictive models were built to determine the rheological parameters of polymers based on artificial intelligence methods. …”
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  17. 857

    Simultaneous Determination of Pyridine, Aniline and Nitrobenzene in Printing and Dyeing Wastewater by Headspace Gas Chromatography-Mass Spectrometry by Yue WU, Yongzhong LAI, Guoyong LU, Xiaosheng LIN, Shusheng LIANG, Wenshuai XU

    Published 2023-08-01
    “…The simultaneous detection method of pyridine, aniline, and nitrobenzene in environmental water is necessary.OBJECTIVESTo establish an analytical method based on headspace gas chromatography-mass spectrometry for the simultaneous determination of pyridine, aniline, and nitrobenzene in water.METHODSThe contents of pyridine, aniline, and nitrobenzene in the effluents from the wastewater treatment plants in the textile industry parks were detected and quantified by the external standard method with headspace gas chromatography-mass spectrometry method. …”
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  18. 858

    Determination of Industry Indicators of Financial Analysis of Enterprises (on the Example of the Industry for the Production of Crude Oil and Natural Gas) by N. A. Bukharin, M. B. Laskin, S. V. Pupentsova

    Published 2020-06-01
    “…The relevance of the topic is confirmed on the one hand by the demand for industry indicators for all persons interested in financial and comparative analysis of enterprises, on the other hand by the complexity and lack of methods for deriving industry indicators of the financial analysis of enterprises.Materials and methods. …”
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  19. 859

    Hollow Fiber–Supported ZIF-8@GO Reinforced Sol–Gel for Preconcentration of Paraquat Before Determination by UV-Vis Spectrophotometry by Narges Vaezi, Naser Dalali

    Published 2025-01-01
    “…Under optimal conditions, the method demonstrated linearity within the range of 0.5–2000 μg L−1, with a correlation coefficient of 0.999. …”
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  20. 860

    Analysis of stress difference on both sides of the herringbone gear considering misalignment error by ZHANG Chunpeng, LIU Hexiang, SUN Qiyuan, YANG Yazhou

    Published 2025-07-01
    “…To address this issue, the influence of misalignment error on the stress difference between bilateral teeth was studied.MethodsThrough the theoretical derivation, the relation among meshing stiffness, misalignment error, torque variation, and stress difference coefficient was obtained. …”
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