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  1. 121

    DEVELOPMENT OF PERSPECTIVE ORGANO-HYBRID COMPOSITION BASED ON MODIFIED POLYACRYLONITRILE DURING REPAIR AND INSULATION OPERATIONS IN WELLS by A. S. Gumerova, R. N. Yakubov, L. E. Lenchenkova, D. A. Ilash

    Published 2022-07-01
    “…A complex of rheological studies was carried out to determine the structural and mechanical properties of the composition with hydrochloric acid. Spectral studies were performed to clarify the mechanism of gel formation of a new organo-hybrid composition. …”
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  2. 122

    Study of the structure and development of the set of reference materials of composition and structure of heat resisting nickel and intermetallic alloys by E. B. Chabina, D. V. Zaitsev, A. A. Alekseev, S. V. Sbitneva

    Published 2017-05-01
    “…Purpose of the work: Development of reference material sets of heat resisting nickel and intermetallic alloy composition and structure. Research methods: To address the measurement problem of control of structural and geometrical characteristics of single-crystal heat resisting and intermetallic alloys by analytical microscopy and X-ray diffraction analysis the research was carried out using certified measurement techniques on facilities, entered in the Register of Measurement Means of the Russian Federation. …”
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  3. 123

    Constraining Ongoing Volcanic Outgassing Rates and Interior Compositions of Extrasolar Planets with Mass Measurements of Plasma Tori by V. Abby Boehm, Darryl Z. Seligman, Nikole K. Lewis

    Published 2025-01-01
    “…We present a novel method of constraining volcanic activity on extrasolar terrestrial worlds via characterization of circumstellar plasma tori. …”
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  4. 124

    Application of impedance spectroscopy method for analysis of benzanol fuels by A. L. Kukla, A. V. Mamykin, A. S. Maistrenko, E. V. Polunkin, L. I. Starzhinska

    Published 2015-06-01
    “…The authors have developed a method for express control of three component «petrol – alcohol – water» fuel mixtures based on the spectral impedance investigation of benzanol mixture in the frequency range of 500 Hz – 10 kHz. …”
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  5. 125

    Application of Satellite Image Processing Methods for Hydrocarbon Field Search by R. V. Fiodоrtsev, A. R. Silie Cuenca, D. A. Kozhevnikov, V. M. Medina, R. Delgado

    Published 2019-12-01
    “…The object of the study is software methods of the Earth surface images processing obtained from the VRSS-2 satellite to determine the spectral composition of the vegetation cover to detect the presence of carotenoids during prolonged exposure to hydrocarbons.The photosynthetic pigments of higher plants (chlorophylls, carotenoids and phytobiliproteins) were analyzed. …”
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  6. 126

    Comparative Characteristics of Sugar Determination by Different Methods in Leaves of Nettle by O. V. Trineeva

    Published 2020-05-01
    “…The obtained results of quantitative determination of the amount of free and bound simple sugars in the studied PRM are consistent with the determination data by the picrine pharmacopoeial method.Conclusion. In general, complete information, depending on the goals of the analysis, on the composition and quantitative content of simple and related sugars in the polysaccharide complex of plant objects can only be obtained by combining spectral methods with CE or TLC.…”
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  7. 127

    ELEMENTAL COMPOSITION OF ROSEMARY SHOOTS (ROSMARINUS OFFICINALIS L.), INTRODUCED IN THE BOTANICAL GARDEN OF PYATIGORSK MEDICAL-PHARMACEUTICAL INSTITUTE by A. S. Nikitina, Z. M. Tohsirova, О. I. Popova

    Published 2018-01-01
    “…Nowadays studying plant objects in the framework of environmental monitoring to improve the quality of herbal remedies is a very important area of research.The aim of the work is to determine the elemental composition and assessment of environmental cleanliness of rosemary shoots (Rosmarinus offi cinalis L.), introduced in Botanical garden of Pyatigorsk medical-pharmaceutical Institute (PMPI), Pyatigorsk (Russia).Materials and methods. …”
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  8. 128

    Quantitative photoacoustic imaging using known chromophores as fluence marker by Anjali Thomas, Max Rietberg, Mervenur Akkus, Gijs van Soest, Kalloor Joseph Francis

    Published 2025-02-01
    “…Additionally, we show that the fluence marker method enhances conventional optical inversion techniques, specifically (i) a straightforward iterative approach and (ii) a gradient-based method. …”
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  9. 129
  10. 130

    Ensemble deep learning-enabled single-shot composite structured illumination microscopy (eDL-cSIM) by Jiaming Qian, Chunyao Wang, Hongjun Wu, Qian Chen, Chao Zuo

    Published 2025-05-01
    “…In this work, we propose a single-shot composite structured illumination microscopy method using ensemble deep learning (eDL-cSIM). …”
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  11. 131
  12. 132

    Optical properties, inclusions, and chemical composition of blue corundum from the Stazh-2 deposit, South-Western Pamir by A. K. Litvinenko, D. B. Vandanova, O. A. Shilova, S. B. Pakhomova

    Published 2024-08-01
    “…During its study at the end of the last century, no mineralogical studies of blue corundum were conducted using precision methods, such as IR, Raman and absorption spectra, DiamindView luminescence, in order to establish patterns in color distribution, solid and gas-liquid inclusions, deformations and chemical composition. …”
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  13. 133

    Compositional engineering of phase-stable and highly efficient deep-red emitting phosphor for advanced plant lighting systems by Jianwei Qiao, Dehong Li, Qiufeng Shi, Haijie Guo, Ping Huang, Lei Wang

    Published 2024-12-01
    “…Besides, the excitation and emission peaks shifted to 440 nm and 675 nm, respectively, aligning precisely with the specific spectral absorption requirements of plant phytochromes. …”
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  14. 134
  15. 135

    Mapping and discrimination of the mineralization potential in the Bonako area (Central Cameroon Domain): Insights from Landsat 9 OLI data, GIS fuzzy modeling techniques and field o... by Nguimezap Marie Madeleine, Fozing Eric Martial, Safianou Ousmanou, Achu Megnemo Ludovic, Sobze Yemdji Robinson Belmien, Sawadogo Sâga

    Published 2025-02-01
    “…In addition, image processing methods such as band ratios (BR) and selective principal component analysis (Crosta-PCA) were applied to target and delineate hydrothermally altered and corresponding minerals and the spectral angle mapper (SAM) classification algorithm was used to classify the discriminated lithological units within the study area. …”
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  16. 136
  17. 137

    Classification and spectrum optimization method of grease based on infrared spectrum by Xin Feng, Yanqiu Xia, Peiyuan Xie, Xiaohe Li

    Published 2023-12-01
    “…The results show that this machine learning method can effectively eliminate the interference fringes in the IR spectrum, and complete the feature selection and dimensionality reduction of the high-dimensional spectral data. …”
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  18. 138
  19. 139

    Advances in machine learning for the detection and characterization of microplastics in the environment by M. Maksuda Khanam, M. Khabir Uddin, Julhash U. Kazi

    Published 2025-05-01
    “…Extending these capabilities further, hyperspectral imaging combines spatial and spectral data to generate comprehensive chemical maps, enabling the simultaneous assessment of polymer composition and distribution. …”
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  20. 140

    Synthesis of Electronic Frequency Tuning Units for Narrowband Ultra-Low Noise Oscillators with Surface Acoustic Waves Resonators by V. A. Loiko, A. R. Safin, A. A. Boburkov

    Published 2024-03-01
    “…Modern radio engineering systems impose strict requirements on the stability of the frequency of microwave oscillation sources (microwave generators) included in their composition. However, microwave oscillators (on dielectric resonators or resonators on surface acoustic waves), despite the low levels of power spectral density of frequency fluctuations of the generated signals, fail to exhibit the frequency stability required for most precision applications (phase noise meters, aircraft radars, ultra-low-noise frequency synthesizers). …”
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