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  1. 681
  2. 682

    Investigation of Heat and Mass Transfer in the Processes of Heat Treatment and Drying of Thermal Insulation Materials by A. I. Ol’shanskii, S. V. Zhernosek, A. M. Gusarov

    Published 2022-04-01
    “…Equations are given for determining the duration of drying, material temperature, heat flux density. …”
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    Article
  3. 683

    INFLUENCE OF REDISPERSIBLE POWDERS AND LOW-MODULAR INCLUSIONS ON THE FROST RESISTANCE OF THE FINE-GRAINED CONCRETE CONTACT ZONE by G. V. Nesvetaev, A. V. Dolgova, L. V. Postoy, G. N. Hadzhishalapov

    Published 2020-01-01
    “…When conditions VF/V28A<1 are met, the coefficient of frost resistance of adhesion, determined when considering the variation coefficient, will satisfy the requirements of GOST 31356.…”
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    Article
  4. 684
  5. 685

    Determining the Relationship Between Air Temperature and Soil Temperature at Different Depths in Jahrom Station by Saeed Shahmirzaei Jeshvaghani, Ahmad Mazidi, Yaser Mohammadi, Mostafa Safari

    Published 2023-03-01
    “…Hourly statistics of air temperature and temperature of different soil depths were obtained from Fars Meteorology and linear and non-linear relationships were extracted for each soil depth using regression method. The results showed that based on the correlation coefficient and determination coefficient, linear regression has better results than non-linear relationships and in linear relationships, the correlation coefficient between air temperature and soil depth temperature for all seasons is significant at the 99% level. …”
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    Article
  6. 686

    New Method for the On-Line Determination of Molybdenum Via New Microphotometric Home Mode Instrument, Using Hight Emitting Diode as a Variable Intensity Radiant Source with a Minit... by Baghdad Science Journal

    Published 2007-12-01
    “…Application for the use of developed method on alloy samples, using standard addition method and agreed quite wall.…”
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    Article
  7. 687

    Optical Characteristics and Composition OF Cd1 – xMnxTe Films Obtained by the Close Spaced Sublimation Technique by V.V. Kosyak, A.S. Opanasyuk, P.V. Koval, P.M. Fochuk, V.V. Starikov

    Published 2011-01-01
    “…Measuring of the optical characteristics of the layers was performed by the spectrophotometric analysis method near the “red boundary” of the semiconductor photoactivity. …”
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    Article
  8. 688

    Agreement between two successive transvaginal salpingosonography assessments of tubal patency by Aydin Tekay, Heli Spalding, Hannu Martikainen, Pentti Jouppila

    Published 1997-06-01
    “…Agreement between the two examinations was subsequently determined using Cohen's kappa coefficient (k). When there were more than two categories, a weighted kappa coefficient was used. …”
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    Article
  9. 689

    Electrochemical Determination of Caffeine Content in Ethiopian Coffee Samples Using Lignin Modified Glassy Carbon Electrode by Meareg Amare, Senait Aklog

    Published 2017-01-01
    “…Linear dependence of peak current on caffeine concentration in the range 6×10-6 to 100×10-6 mol L−1 with determination coefficient and method detection limit (LoD = 3 s/slope) of 0.99925 and 8.37×10-7 mol L−1, respectively, supplemented by recovery results of 93.79–102.17% validated the developed method. …”
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    Article
  10. 690

    INSTITUTIONAL DETERMINANTS OF NON-PERFORMING LOANS OF DEPOSIT MONEY BANKS IN SUB-SAHARAN AFRICA by Olusegun Opeyemi Oni, Henry Jonathan

    Published 2023-11-01
    “…Four institutional factors; namely control of corruption with coefficient value of (0.44%), financial freedom with coefficient value of (0.13%), rule of law with coefficient value of (0.341%) and regulatory quality with coefficient value of (-0.618%) were all significant on NPLs at (5%,) respectively. …”
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    Article
  11. 691
  12. 692
  13. 693

    Spectrophotometric determination of 4-ethylphenol using cloud point extraction in different water samples by Alaa Mousa Imran, Saadiyah Ahmed Dhahir, Ahmed jassim muklive

    Published 2024-12-01
    “…The proposed method was successfully used for the determination of phenol in different environmental samples. …”
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    Article
  14. 694

    Spectrophotometric Determination of Bisacodyl in Pure and Pharmaceutical Preparation via Oxidative Coupling Organic Reaction by Baghdad Science Journal

    Published 2017-03-01
    “…g.ml-1) and the relative standard deviation of RSD% (1.6). The method gave a successful determination for Bisacodyl in pharmaceutical preparations and the value of recovery % was better than (100.16%)…”
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    Article
  15. 695

    Determination of L-Ergothioneine in Cosmetics Based on Ultraperformance Liquid Chromatography-Tandem Mass Spectrometry by Li Liu, Lei Sun, Sufang Fan, Junmei Ma, Yi Wang, Qiang Li, Zhengyang Song, Yong Sun, Yan Zhang

    Published 2022-01-01
    “…A new method was developed for the identification and determination of L-ergothioneine in cosmetics based on ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). …”
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    Article
  16. 696

    Determination of First Arrival Wave Type of Microseismic Signals and Approach to Wave Velocity Correction by GuangDong Song, JiuLong Cheng, BinXin Hu, Feng Zhu, Hua Zhang, TongYu Liu, Tong Sun, Kenneth T. V. Grattan

    Published 2021-01-01
    “…At the same time, owing to the influence of system noise, the first arrival time and the arrival time difference values of the signals obtained cannot easily be determined accurately. The propagation model for the microseismic signals experienced and the discrimination method used to determine the first arrival wave type can be established using knowledge of the spatial geometry between the sensors used and the seismic source. …”
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    Article
  17. 697

    Spectrophotometric Determination of Bismuth(III) with Arsenazo(III) Reagent in Water samples and Veterinary Preparation by Baghdad Science Journal

    Published 2013-09-01
    “…A simple , sensitive and accurate spectrophotometric method for the trace determination of bismuth (III) has been developed .This method is based on the reaction of bismuth (III) with arsenazo(III) in acid solution (pH=1.9) to form a blue water soluble complex which exhibits maximum absorption at 612nm .Beer's law is obeyed over the concentration range of 2-85 ?…”
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  18. 698

    Quantitative Determination of Ivermectin in Raw Milk Using Positive ESI LC-MS/MS by Meenakshi Dahiya, Shanta Sen, Kiran Lamba, Manjeet Aggarwal, R. K. Khandal

    Published 2010-01-01
    “…The method was found to be linear in the range of 1.0 ng/mL to 100.0 ng/mL with correlation coefficient of 0.9992 for pure calibration curve and 0.9990 for the matrix- matched calibration curve. …”
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  19. 699

    Dominant geological and engineering factors controlling the productivity of horizontal wells for deep coalbed methane in the southern Shenfu block by Guangshan GUO, Yancheng LIU, Gang ZHAO, Zhaohui CHEN, Chen LI, Lifang KANG, Yuchuan WANG, Jianan WANG

    Published 2025-05-01
    “…Dominant factors controlling the horizontal well productivity were quantitatively determined based on Kendall's rank correlation coefficients and Pearson correlation coefficients. …”
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  20. 700

    Control of Tribological Characteristics of Wear-Resistant AlCrBN Coatings by Nanoscratch Testing by V. A. Lapitskaya, T. A. Kuznetsova, B. Warcholinski, A. V. Khabarova, T. V. Hamzeleva, A. Gilewicz, S. A. Chizhik

    Published 2025-07-01
    “…The use of this method made it possible to perform multi-cycle tribotesting of the AlCrBN coatings, determine the average values of the friction coefficient, and completely eliminate the influence of microparticles (the characteristic defects for coatings deposited by the cathodic arc method) on the measurements. …”
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