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  1. 481

    Damage Monitoring Method for Deep-Sea Net Cage Rope Structure Based on Tension Signal by YANG Mengjie, REN Haojie, REN Hao, XU Yuwang, ZHANG Mengmeng

    Published 2025-04-01
    “…Additionly, an online damage monitoring method based on rope tension signal is proposed. This method identifies the damaged rope by detecting an extremum step in the tension variation coefficient, and determines the specific damaged position by analyzing the proportion relationship between the tension change coefficient and the distance from the end to the damaged position. …”
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    Article
  2. 482

    Establishment of QuEChERS-UPLC-MS/MS method to determine three kinds of ochratoxins in coffee by GAO Yunkai, CHEN Xiaomei, CHEN Chunqian, ZHOU Lingyu, DENG Yinglin, YIN Qingchun

    Published 2023-12-01
    “…<b>Objective:</b> A new method was developed for the simultaneous determination of three kinds of ochratoxins in coffee by ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) combined with QuEChERS pretreatment. …”
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  3. 483
  4. 484

    Ammonium Content Determination by Different Analytical Methods in the Manure with Different Additives and Its Change During Storage by Irmantas Parašotas, Violeta Juškienė, Alvyra Šlepetienė, Gitana Kadžienė

    Published 2024-12-01
    “…We compared three analytical methods for NH<sub>4</sub><sup>+</sup> determination: distillation, ionometry, and spectrophotometry. …”
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    Article
  5. 485

    Determination method of trace amount of arsine and phosphine in ethylene and propylene based on gas chromatography-mass spectrometry by HUO Daa, CHEN Feia, LAI Jin-bob, SHI De-junc, WANG Chun-yana, CAO Qinga

    Published 2025-01-01
    “…"A method for simultaneous determination of trace amount of arsine and phosphine in ethylene and propylene was developed based on gas chromatography-mass spectrometry, and the limit of detection, linear range, recovery rate and repeatabi-lity of the method were investigated. …”
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    Article
  6. 486

    A Field data- based method to determine the pressure-burst relationships in urban water distribution networks by Yasaman Taj Abadi, Mohamadreza Jalili Ghazizade, Iman Moslehi

    Published 2018-03-01
    “…Therefore, the development of models to predict precisely failure based on effective factors is necessary to achieve optimal leakage management in water distribution networks. Materials and methods: In the present study, using a developed model and Pressure and burst field data analysis in urban water distribution network, the relationship between pressure and burst rate for a district of Tehran has been determined. …”
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    Article
  7. 487
  8. 488

    Acceptability criteria for linear dependence in validating UV-spectrophotometric methods of quantitative determination in forensic and toxicological analysis by L. Yu. Klimenko, G. P. Petyunin, S. M. Trut, V. P. Moroz

    Published 2014-08-01
    “…Materials and methods. UV-spectrophotometric method of doxylamine quantitative determination in blood. …”
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    Article
  9. 489

    Determination of the Chemical Stability of Cyanocobalamin in Medical Food by a Validated Immunoaffinity Column-Linked HPLC Method by Wonjong Lee, Yoon-Bok Lee, Moon Haeng Huh, Jae Kwon Choi

    Published 2022-01-01
    “…The linearity of this method was calculated with a value of the coefficient of determination (R2) ≥ 0.999. …”
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  10. 490
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  14. 494

    Continuous Flow Injection Analysis Method for the Determination of a Drug Diphenhydramine Hydrochloride by Using Phosphomolybdic Acid by Muntadhar M. Jabbar, Elham N. Mezaal

    Published 2024-08-01
    “… The study presented a new method for determining diphenhydramine hydrochloride (DPH) in its pure form and some pharmaceutical preparations, within CFIA technique. …”
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  15. 495
  16. 496

    Determination of morphine, codeine and 6-monoacetylmorphine in saliva of substance-abuse patients using HPLC/MS methods by Milovanović Vesna, Ćirić Biljana, Milenković Jasna, Kilibarda Vesna, Ćurčić Marijana, Vučinić Slavica, Antonijević Biljana

    Published 2012-01-01
    “…Saliva represents an alternative specimen for substances abuse determination in toxicology. Hence, the aim of this study was to optimize a method for saliva specimen preparation for heroin metabolites, morphine and 6-monoacetylmorphine (6-mam), and codeine determination by liquid chromatography-mass spectrometry (LC/MS), and to apply this method on saliva samples taken from the patients. …”
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  17. 497
  18. 498

    Determination of the Machine and Tractor Fleet Optimal Composition for a Model Cotton­Textile Cluster by M. T. Toshboltaev, M. R. Dzhiyanov

    Published 2021-06-01
    “…(Research purpose) To calculate the required amount of agricultural machinery based on the established standards. (Materials and methods) The authors developed an algorithm for determining the standard coefficients of the equipment necessity per 1000 hectares of arable land. …”
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  19. 499

    Study on rapid determination method of ash content in wheat flour based on stochastic forest regression model by LIU Yanqun, XIAO Fugang, CHEN Caihong

    Published 2024-09-01
    “…ObjectiveTo achieve rapid and accurate determination of ash content in wheat flour.MethodsBy preprocessing wheat raw materials and analyzing key influencing factors such as milling time and conductivity in depth, these factors were introduced as characteristic variables into a random forest regression model to construct a wheat flour ash content determination model. …”
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  20. 500

    Development of an Eco-Friendly Method for Iron Extraction and Determination in Pharmaceuticals Using Ciprofloxacin Drug as Chelating agent by Baghdad Science Journal

    Published 2016-06-01
    “…Several variables which impact on the extraction and determination of Fe (III) are optimized in order to maximize the extraction efficiency and improve the sensitivity of the method. …”
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