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  1. 741

    Method for evaluating the performance of antiskid devices by I. A. Zharov, A. A. Alekseev

    Published 2017-10-01
    “…From the existing methods of testing antiskid devices, this approach is different in that the performance of an antiskid device is evaluated not on a specific segment of the track with reduced cohesion, but on the estimated track with the worst coefficient of adhesion at each point (the shorter the track section, the faster the wheelset enters the skid, but it is also more difficult to damage it). …”
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  2. 742

    Verification of determination of hydraulic conductivity for coarse soils by empirical formulas based on the density index by Krystyna Jaśkiewicz, Tomasz Godlewski

    Published 2021-07-01
    “…The results obtained by calculations were compared with the results of laboratory tests performed on soil samples with the same porosity coefficients (at different density index) as assumed in the calculation method. …”
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  3. 743

    Flow Injection Analysis with Turbidity Detection for the Quantitative Determination of Mebeverine Hydrochloride in Pharmaceutical Formulations by Nagham S. Turkey, Jalal Nasser Jeber

    Published 2022-02-01
    “…The main objective of this paper is to develop and validate flow injection method, a precise, accurate, simple, economic, low cost and specific turbidimetric method for the quantitative determination of mebeverine hydrochloride (MbH) in pharmaceutical preparations.  …”
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  4. 744

    APPLYING NEURAL NETWORK TECHNIQUES TO DETERMINE TRAFFIC FLOW REDIRECTION PROPORTIONS IN ROAD NETWORKS by Xuan-Hien NGUYEN, Thi Van Anh VU, Quoc Viet THAN, Viet Thanh PHAM, The Anh NGUYEN, Muon HA

    Published 2025-06-01
    “…A novel method is proposed to mitigate congestion by rerouting vehicles from heavily loaded roads, identified by high network load coefficients, to alternative routes. …”
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  5. 745

    Determination of Amino Acids of Novel Food in Food by HPLC Coupled with Pre-Column Derivatization by Cenjun Xiao, Jing Xiao, Yuan Wu, Jie Pang, Fuhong Chen, Wenhua Zhang, Dunming Xu

    Published 2024-12-01
    “…The developed method features easy sample pretreatment, a simple derivatization system, good separation specificity, good repeatability, accuracy and reliability, and can meet the large-scale determination Theanine and GABA in various food substrates.…”
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  6. 746

    Determination of Six Eugenol Residues in Aquatic Products by Gas Chromatography-Orbitrap Mass Spectrometry by Yunxia Huang, Qiang Li, Yali Zhang, Zhijuan Meng, Xiaoxuan Yuan, Sufang Fan, Yan Zhang

    Published 2021-01-01
    “…Therefore, in order to ensure the edible safety of aquatic products, eugenol compounds in aquatic products need to be screened quickly. A method for determination of six eugenol residues in aquatic products was established by multiplug filtration cleanup (m-PFC), combined with gas chromatography-Orbitrap mass spectrometry (Orbitrap GC-MS). …”
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  7. 747

    Use of isotopic sulfur to determine whitebark pine consumption by Yellowstone bears: A reassessment by Charles C. Schwartz, Justin E. Teisberg, Jennifer K. Fortin, Mark A. Haroldson, Christopher Servheen, Charles T. Robbins, Frank T. van Manen

    Published 2014-09-01
    “…Although we found a positive relationship between δ34S values in spring hair and pine seed abundance for grizzly bears, the coefficients of determination were small (R2 ≤ 0.097); we failed to find a similar relationship with black bears. …”
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  8. 748

    Method of thromboembolism prediction in advanced atherosclerosis by A. V. Bykov

    Published 2024-10-01
    “…At the first stage, speciali­zed experts generated signs characterizing the severity of prothrombotic conditions. To determine whether patients belonged to the first or second group, the multivariate statistics method was used. …”
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  9. 749

    Consumo hídrico e coeficiente de cultura da mamoneira na microrregião de Lavras, Minas Gerais Water consumption and crop coefficient of castor bean in the microregion of Lavras, MG... by Gervásio F. A. Rios, Luiz G. de Carvalho, Flávio de C. Magina, Pedro Castro Neto, Bruno M. Silva, Antônio C. Fraga

    Published 2011-12-01
    “…The ETc was determined by the energy balance according to the Bowen ratio method and Kc by the methods and recommendations of the FAO-56 paper, from 02/14 to 06/03/2008, corresponding to phases I (growth), II (vegetative), III (fruiting) and IV (maturity). …”
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  10. 750
  11. 751
  12. 752

    UHPLC-PDA Assay for Simultaneous Determination of Vitamin D3 and Menaquinone-7 in Pharmaceutical Solid Dosage Formulation by Muhammad Jehangir, Mahmood Ahmed, Muhammad Imtiaz Shafiq, Abdul Samad, Iftikhar-ul-Haq

    Published 2017-01-01
    “…A newly developed method based on ultrahigh performance liquid chromatography (UHPLC) was optimized for the simultaneous determination of vitamin D3 and menaquinone-7 (MK-7) in tablet formulation in the present study. …”
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  13. 753
  14. 754

    Fast screening of gold in rock samples using polyurethane foam extraction and inductively coupled plasma mass spectrometry determination by Jalal Hassan, Naeemeh Zari, Mohammad-Hadi Karbasi

    Published 2025-06-01
    “…The equation of linear calibration curve was obtained with regression coefficient better than 0.9997, and the detection and quantification limit of the gold in aqueous and soil sample obtained 0.25 and 0.8 µg kg −1, respectively. • This method is inexpensive and fast for determination of gold in various samples. • This method has high thought of sample determination. • This method is green chemistry method.…”
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  15. 755

    Methods and techniques of research motivation and satisfaction of employees by Pešić-Jenačković Dragana

    Published 2021-01-01
    “…In addition to the mentioned techniques and indicators from SPSS, the role of certain indicators (eta squared and coefficient of determination) is calculated, which are calculated using data from research results and with the help of certain formulas…”
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  16. 756

    Prognostic value of serum zinc concentration determination in young children during the course of infectious diarrhea by V. V. Pechuhina, O. V. Usachova

    Published 2025-02-01
    “…Serum Zn levels were determined by the colorimetric method. Non-parametric statistical methods were used to process the obtained data, since the distribution of indicators did not correspond to the normal one. …”
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  17. 757

    Spectrophotometric determination of Folic acid (B9) by oxidative Coupling Reaction with 4-nitro-aniline by Rasha Saad Saber Al Tikrity, Asmaa Ahmed Mohammed Al Rashidy

    Published 2023-01-01
    “… Development of an easy, inexpensive, fast and selective spectrophotometric method for the determination of Folic Acid  (FA) by its reaction with 4-nitro aniline reagent, with good sensitivity, as an oxidative coupling method in the presence of Potassium permanganate solution, and it was found that the concentrations that were agreement with Beer-Lambert’s law at the wavelength of 374 nm ranged between 1- 21 µg/ml of folic acid solution, and a deviation from Beer’s law occurs at a concentration higher than 21 µg/mL, gave a linear coefficient and correlation coefficient its value is 0.9994, 0.9996, respectively, While the value of the molar absorption coefficient  12138.5 L/mol.cm and Sandel's sensitivity  0.0363 gm/cm2  with  the limits of qualitative and quantitative detection 0.103 and 0.363 μg / ml-1, respectively. …”
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  18. 758

    Sensitive Spectrophotometric Determination of Atenolol in Pharmaceutical Formulations Using Bromate-Bromide Mixture as an Eco-Friendly Brominating Agent by Kudige N. Prashanth, Kanakapura Basavaiah

    Published 2012-01-01
    “…Three simple and sensitive spectrophotometric methods are proposed for the determination of atenolol (ATN) in bulk drug and tablets. …”
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  19. 759

    Determination of Thermal Conductivity of Nano-ceramic Thermal Insulation Coating on the Surface of a Heat Pipe by Vafaeva Khristina Maksudovna, Pavlov Mikhail Vasilyevich, Karpov Denis Fedorovich, Mittal Sachin, Kalpana Kilaru, Kataria Ansh, Joshi Ankita, Visweswari Tamminana, Islam Raisul

    Published 2024-01-01
    “…The research aim is to determine the thermal conductivity coefficient of liquid nano-ceramic thermal insulation coating on the surface of the pipeline. …”
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  20. 760

    Rapid simultaneous determination of organophosphorus pesticides in human serum and urine by liquid chromatography-mass spectrometry by Zlatković Milica, Jovanović Miodrag, Đorđević Dragana, Vučinić Slavica

    Published 2010-01-01
    “…Intra- and interassay precision and accuracy were satisfactory for all of the pesticides analyzed. Conclusion. The method of liquid chromatography - mass spectrometry is simple, accurate, and useful for the determination of organophosphorus pesticides in both clinical and forensic toxicology.…”
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