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Showing 401 - 420 results of 431 for search 'spectral composition method', query time: 0.13s Refine Results
  1. 401

    Toxicological and morphological aspects of nano-TiO2 and nano-TiO2-Ag acute action on the liver of mice by O. P. Yavorovskyi, S. I. Savosko, V. M. Riabovol, T. O. Zinchenko

    Published 2023-08-01
    “…To study the toxic effect of TiO2 and TiO2-Ag nanopowders on the morphology and elemental composition of the laboratory mice liver. Materials and methods. …”
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    Article
  2. 402

    Using of ASTER, ETM+ and Gamma Spectrometry Airborne Data to Find the Relationship Between the Distribution of Alkali Metasomatism and REE Mineralization in the Bafq Area, Central... by K. Khoshnoodi, M. Yazdi, M. Behzadi, M. Gannadi-Maragheh

    Published 2016-01-01
    “…The Advanced Space borne Thermal Emission and Reflection Radiometer (ASTER) and Landsat Enhanced Thematic Mapper Plus (ETM+) image-processing techniques, were used in satellite imagery through conventional and also modern processing methods including band ratios, color composite ratio images and spectral angle mapper to study the spectral discrimination of metasomatically altered rocks based on their mineral assemblages and to investigate critically the link between the distribution of Na-metasomatism and occurrence of REE mineralization through plotting the image processing results on preexisting airborne radiometric data. …”
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  3. 403

    Plant photosynthesis in basil (C3) and maize (C4) under different light conditions as basis of an AI-based model for PAM fluorescence/gas-exchange correlation by Isabell Pappert, Stefan Klir, Luca Jokic, Celine Ühlein, Khanh Tran Quoc, Ralf Kaldenhoff

    Published 2025-05-01
    “…Despite their physiological link, data from both methods do not always correlate. To systematically investigate this relationship, photosynthetic parameters were measured in maize (Zea mays, C4) and basil (Ocimum basilicum, C3) under different photon densities and spectral compositions. …”
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    Article
  4. 404

    Profile of biologically active substances of <i>Aronia mitschurinii</i> leaves growing in the conditions of the Central Black Earth region by O. V. Trineeva, O. V. Pugacheva

    Published 2024-06-01
    “…Quantitative determination of the main groups of biologically active substances was carried out according to known methods using modern physicochemical methods of spectrophotometry and capillary electrophoresis.Results and discussion. …”
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    Article
  5. 405

    PEMETAAN PENGGUNAAN LAHAN SAWAH BERDASARKAN PENDEKATAN EKOLOGI BENTANG LAHANMENGGUNAKAN CITRA PEREKAMAN TUNGGAL by Algi Variski Hasibuan, Projo Danoedoro, Sigit Heru Murti

    Published 2025-01-01
    “…Such maps are usually created using multitemporal image data with a spectral approach, but this method can only be applied to certain areas and cannot be easily applied to other areas with different land characteristics. …”
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    Article
  6. 406

    Machine learning-driven benchmarking of China's wastewater treatment plant electricity consumption by Minjian Li, Chongqiao Tang, Junhan Gu, Nianchu Li, Ahemaide Zhou, Kunlin Wu, Zhibo Zhang, Hui Huang, Hongqiang Ren

    Published 2025-01-01
    “…To overcome the complexity of wastewater compositions, an unsupervised machine learning algorithm, spectral clustering, is introduced to analyze 2,576 WWTPs across China, effectively characterizing influent quality as a single variable and contributing to robust benchmarks with 75 % of the fittings achieving coefficients of determination (R2) >0.85. …”
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    Article
  7. 407

    Effects of Elevated Temperature and CO2 Enrichment on Stability of Soil Organic Carbon Storage in Mollisols by Xue Haiqing, Yue Ya, Feng Qian, Long Jieqi, Miao Huan, Miao Shujie, Qiao Yunfa

    Published 2023-06-01
    “…Although increased temperature and CO2 had different effects on the composition and proportion of organic carbon molecular structure, organic carbon storage remained stable in mollisols. …”
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    Article
  8. 408
  9. 409

    Spatiotemporal assessment of environmental change in Kushtia, Bangladesh (1998–2023) using remote sensing-based environmental indices by Md. Anik Hossain, Md. Rahedul Islam, Tamanna Yesmin, Rabeya Sultana, Md. Kamrul Hossain, Rafiquel Islam

    Published 2025-06-01
    “…This study examines spatiotemporal environmental changes in Kushtia from 1998 to 2023, utilizing NDVI, NDWI, NDMI, and LST derived from multi-spectral satellite imagery. A PCA-based weighted overlay method integrates these indices into a composite index to evaluate each year's overall environmental condition. …”
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  10. 410
  11. 411

    Analysis of characteristic aroma components in famous Mengshan teas Mengding Ganlu and Mengshan Maofeng by GC-MS by Xu Jingyi, Chen Changhui, Zhou Fangyong, Du Xiao

    Published 2014-01-01
    “…Owing to the differences in tea cultivars, environmental conditions and processing methods, chemical compositions of tea show area specific characteristics, among which volatile aroma components are important indicators. …”
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    Article
  12. 412

    How to Better Use Canopy Height in Soybean Biomass Estimation by Yanqin Zhu, Fan Fan, Zhen Zhang, Xun Yu, Tiantian Jiang, Liming Li, Yadong Liu, Yali Bai, Ziqian Tang, Shuaibing Liu, Dameng Yin, Xiuliang Jin

    Published 2025-05-01
    “…Despite the availability of various remote sensing methods, systematic research on effectively integrating canopy height (CH) and spectral information for improved AGB estimation remains insufficient. …”
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  13. 413

    Optical analysis of Eu3+ and Tb3+: B2O3-P2O5-WO3-Li2O-(ZnO/CdO/TeO2) glasses by Perla Aruna, Shaik Hajira, Mandli Venkata Ramanaiah, Vadlathala Sahadeva Reddy, Konda Nagamuni Reddy, Busireddy Sudhakar Reddy

    Published 2025-07-01
    “…The elemental analysis for confirming compositional homogeneity was confirmed by SEM and EDAX analysis. …”
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    Article
  14. 414

    Asteroid Types, Albedos, and Diameters Catalog from Gaia DR3: Intelligent Inversion Results via Multisource Information Fusion by Jiayi Ge, Xiaoming Zhang, Juan Li, Huijuan Wang, Dawei Xu, Xiaojun Jiang

    Published 2025-01-01
    “…Applied to Gaia DR3, the proposed methods yield a catalog of taxonomic types, albedos, and diameters for 58,168 asteroids. …”
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    Article
  15. 415

    Chemical Profiling and Wetting Behaviors of Endemic Salvia absconditiflora Greuter & Burdet (Lamiaceae) Collected from Gypsum Areas by Ayşenur Kayabaş, Ertan Yıldırım

    Published 2022-06-01
    “…Materials and Methods: The ATR-FTIR spectra for the chemical content of S. absconditiflora were obtained from six different plant parts and information about their chemical compositions was obtained. …”
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  16. 416
  17. 417

    Hyperhydration of breast and skin cancers: effects on thermophysical tissue properties in clinical hyperthermia with water-filtered infrared-A radiation (wIRA) - an updated review by Helmut Piazena, Peter Vaupel

    Published 2025-12-01
    “…Background Water contents (Cw) of soft tissues are different and influence (a) the absorption of water-filtered infrared-A radiation (wIRA) used in superficial hyperthermia, (b) key parameters of the Pennes’ bioheat transfer equation, and (c) characteristics of heat exchange within and between tissues.Aim The effect of Cw on these parameters has been quantified for normal skin, female breast and corresponding malignancies with Cw values up to ≈ 1.6 times higher.Methods Literature data on spectral absorption and reduced scattering coefficient, density, specific heat capacity, thermal conductivity, diffusivity and effusivity of normal tissues and malignancies have been correlated with respective tissue water contents. …”
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  18. 418

    The efficiency of new univariate spectroscopic approaches for the sustainable estimation of a newly invented antihypertension-antihyperlipidemic quaternary combination: Assessing t... by Duaa AL Zakri, Amir Alhaj Sakur

    Published 2025-06-01
    “…It does so by analyzing the extended spectral region of AML and ROS to ascertain their concentrations and segregate their influence from the composite, thus isolating the LOS/EZE duo. …”
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  19. 419

    Enhancing Orbital MRI Quality: Optimization of Saturation Pads for 1.5T by Sujitra Tinnut, Suwimon Nabumrung, Kornthip Jeephet, Kingkarn Aphiwatthanasumet

    Published 2025-06-01
    “… Objective: This study aimed to compare the effectiveness of different eye pads in enhancing magnetic field homogeneity using the Spectral Presaturation with Inversion Recovery (SPIR) technique. …”
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    Article
  20. 420

    A Modified Model Dielectric Function for Analyzing Optical Spectra of InGaN Nanofilms on Sapphire Substrates by Devki N. Talwar, Hao-Hsiung Lin, Jason T. Haraldsen

    Published 2025-03-01
    “…Due to a lower InN bandgap <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi mathvariant="normal">e</mi><mi mathvariant="normal">n</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">r</mi><mi mathvariant="normal">g</mi><mi mathvariant="normal">y</mi><mo> </mo><msub><mrow><mi mathvariant="normal">E</mi></mrow><mrow><mi mathvariant="normal">g</mi></mrow></msub><mo>~</mo><mn>0.7</mn><mo> </mo><mi mathvariant="normal">e</mi><mi mathvariant="normal">V</mi></mrow></semantics></math></inline-formula>, <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi mathvariant="normal">I</mi><mi mathvariant="normal">n</mi></mrow><mrow><mi mathvariant="normal">x</mi></mrow></msub><msub><mrow><mi mathvariant="normal">G</mi><mi mathvariant="normal">a</mi></mrow><mrow><mn>1</mn><mo>−</mo><mi mathvariant="normal">x</mi></mrow></msub><mi mathvariant="normal">N</mi><mo>/</mo><mi mathvariant="normal">S</mi><mi mathvariant="normal">a</mi><mi mathvariant="normal">p</mi><mi mathvariant="normal">p</mi><mi mathvariant="normal">h</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">r</mi><mi mathvariant="normal">e</mi></mrow></semantics></math></inline-formula> epifilms are considered valuable in the development of low-dimensional heterostructure-based photonic devices. Adjusting the composition x and thickness d in epitaxially grown films has offered many possibilities of light emission across a wide spectral range, from ultraviolet through visible into near-infrared regions. …”
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