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

“…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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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

“…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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Statistical data analysis methods in Brillouin spectroscopy: Tutorial by Christopher G. Poulton, Hadi Mahmodi, Matthew D. Arnold, Luke McAlary, Lezanne Ooi, Irina Kabakova

“…The main advantage of both methods is their unsupervised nature, thus no preliminary knowledge of structure and composition is needed to isolate the components of interest. …”
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The use of spectroscopic techniques and chemometric methods in milk technology by Bojan Matijević, Marijana Blažić

“…The qualitative and quantitative analyses of individual components in composite systems may be problematic due to overlaps in spectral responses. …”
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Investigation of modified bitumen binders via Fourier-transform infrared spectroscopy by I. V. Gordeeva, D. A. Melnikov, V. N. Gorbatovа, D. S. Reznichenko, Yu. A. Naumova

“…Bitumen and modified bitumen binders were investigated via Fouriertransform infrared spectroscopy. Using the method of spectral subtraction, it was determined that during the process of manufacturing modified bitumen binders, structural changes occur in both bitumen and modifiers. …”
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Quantitative photoacoustic imaging using known chromophores as fluence marker by Anjali Thomas, Max Rietberg, Mervenur Akkus, Gijs van Soest, Kalloor Joseph Francis

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

“…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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Near infrared spectroscopy analysis as a screening tool to classify milk from bovine subclinical mastitis and promote pathogen-based therapy by Pablo Rodríguez-Hernández, Nieves Núñez-Sánchez, Silvia Molina-Gay, Vicente Rodríguez-Estévez, Fernando Cardoso-Toset

“…These preliminary data highlight the usefulness of spectral information obtained from NIRS analysis of milk. …”
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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

“…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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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

“…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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SPECIAL ASPECTS OF THE TRANSVERSE KERR EFFECT WITH CONSIDERATION OF THE SIZE EFFECT IN NANO-COMPOSITES AS EXEMPLIFIED BY CoFeB by A. N. Yurasov, N. V. Granovsky

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

“…In this work, we propose a single-shot composite structured illumination microscopy method using ensemble deep learning (eDL-cSIM). …”
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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

“…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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Lanthanide bioadsorption by the extremophile Exiguobacterium sp.: utilizing microbial extracellular polysaccharides for high-value element recovery by Karem Gallardo, Génesis Serrano, Rodrigo Castillo, Sebastián Michea, Julio I. Urzúa, Dayana Arias, Francisco Remonsellez, Francisco Remonsellez

“…EPS production increased slightly in the presence of metals, with compositional variations dependent on extraction method and pH. …”
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ACTUAL PROBLEMS OF RAW MATERIALS CHEMICAL STANDARDIZATION OF MEDICINAL PLANTS OF THE GENUS HAWTHORN ΈCRATAEGUS L.Ή by T. V. Morozova, V. A. Kurkin, O. E. Pravdivtseva

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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

“…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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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

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

“…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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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

“…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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Analysis of the characteristics of blasting seismic wave induced by explosive blasting with different coupling medium by Tong Li, Li Song, Ming Chen, Bo-wen Guo, Bing Fan, Shan-shan Cui

“…The energy calculation method of blasting seismic wave was derived and the influence of blasting source factors on seismic wave spectral characteristics was investigated. …”
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