Showing 581 - 600 results of 1,109 for search 'variations model composition', query time: 0.12s Refine Results
  1. 581

    Beta diversity of demersal fish and implications for conservation in a subtropical environment by Olímpio Rafael Cardoso, Luis Henrique Martins Capp Verges, André Pereira Cattani, Lilyane Oliveira Santos, June Ferraz Dias, Henry Louis Spach

    Published 2025-03-01
    “… The present study aimed to evaluate the variation in the composition and diversity of the fish assemblages (beta diversity) along the east-west axis of the Paranaguá Estuarine Complex and the Adjacent Continental Shelf. …”
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  2. 582

    Geodiversity as a Driver of Soil Microbial Community Diversity and Adaptation in a Mediterranean Landscape by Samuel Pelacani, Maria Teresa Ceccherini, Francesco Barbadori, Sandro Moretti, Simone Tommasini

    Published 2025-03-01
    “…Extreme meteorological events and anthropogenic influences determine important variations in microbial community composition. To know the extent of these variations, it is necessary to delve deeper into the geogenic factors to be considered as a baseline. …”
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  3. 583

    Bayesian optimization of radical polymerization reactions in a flow synthesis system by Shogo Takasuka, Sho Ito, Shunto Oikawa, Yosuke Harashima, Tomoaki Takayama, Aniruddha Nag, Araki Wakiuchi, Tsuyoshi Ando, Tetsunori Sugawara, Miho Hatanaka, Tomoyuki Miyao, Takamitsu Matsubara, Yu-Ya Ohnishi, Hiroharu Ajiro, Mikiya Fujii

    Published 2024-12-01
    “…Subsequent Bayesian Optimization (BO) trial, using 40 points per cycle, identified several sets of processing conditions that could achieve the desired copolymer composition, accompanied by variations in other physical properties. …”
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  4. 584
  5. 585

    Numerical Study on Similarity of Plume’s Infrared Radiation from Reduced Scaling Solid Rocket by Xiaoying Zhang, Rui Li

    Published 2015-01-01
    “…Similarity of plume radiation between reduced scaling solid rocket models and full scale ones in ground conditions has been taken for investigation. …”
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  6. 586

    Enhancing thermal comfort and energy efficiency in residential buildings using phase change materials in dual-seasonal climate zones by Congxiang Tian, Nur Azfahani Ahmad, An Nisha Nur Welliana Abd Rased, Yuxuan Xiong, Wenqing Li

    Published 2025-09-01
    “…The building model includes detailed parameters such as wall composition, insulation levels, and local climate data. …”
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  7. 587

    The ocular surface microbiome of rhesus macaques by Joelle K. Hass, Arthur G. Fernandes, Michael J. Montague, Armando Burgos-Rodriguez, Melween I. Martinez, Lauren J. N. Brent, Noah Snyder-Mackler, John Danias, Gadi Wollstein, James P. Higham, Amanda D. Melin

    Published 2025-08-01
    “…Abstract Background The ocular surface microbiota (OSM) is important for eye health, and variations in OSM composition have been associated with multiple diseases in humans. …”
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  8. 588

    Analysis of seminal plasma from brown bear (Ursus arctos) during the breeding season: Its relationship with testosterone levels. by L Anel-López, C Ortega-Ferrusola, C Martínez-Rodríguez, M Álvarez, S Borragán, C Chamorro, F J Peña, L Anel, P de Paz

    Published 2017-01-01
    “…This study is the first on brown bear (Ursus arctos) SP components, and has two main objectives: 1) to define the SP composition in bear ejaculate and 2) to identify variations in SP composition in relation to high and low levels of testosterone in serum during the breeding season. …”
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  9. 589

    Quantitative influence of solidification path on solute micro-segregation and inclusion precipitation in the solidification process of rail steel by Xinliang Gao, Wenyue Ba, Chenyang Wang, Zhuangzhuang Zhang, Yinlong Wang, Tengfei Li, Zhinan Yang, Fucheng Zhang

    Published 2025-01-01
    “…The carbon content influences solute redistribution through the changes in solidification temperature and phase composition, resulting in the variations in ki and βi, which in turn affects solute micro-segregation. …”
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  10. 590

    Machine Learning Reveals Microbial Taxa Associated with a Swim across the Pacific Ocean by Garry Lewis, Sebastian Reczek, Osayenmwen Omozusi, Taylor Hogue, Marc D. Cook, Jarrad Hampton-Marcell

    Published 2024-10-01
    “…Furthermore, the microbial community structure became increasingly similar over time (PERMANOVA; <i>p</i> < 0.01, R = −0.27). Decision-based modeling (random forest) revealed the genera <i>Alistipes</i>, <i>Anaerostipes</i>, <i>Bifidobacterium</i>, <i>Butyricimonas</i>, <i>Lachnospira</i>, <i>Lachnobacterium</i>, and <i>Ruminococcus</i> as important microbial biomarkers of excessive exercise for explaining variations observed throughout the swim (OOB; R = 0.893). …”
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  11. 591

    Effect and Mechanism of Galacto-oligosaccharides on Constipation in Mice by Ya PAN, Fei SHEN, Ming CHEN, Fengqin FENG

    Published 2025-05-01
    “…Methods: Thirty-six male BALB/C mice were randomly divided into three groups, including the blank group, the model group, and the GOS group. The growth status, defecation situation and small intestine transit rate of each group were measured. …”
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  12. 592

    Compensation for Matrix Effects in High-Dimensional Spectral Data Using Standard Addition by Elena Khanonkin, Israel Schechter, Itai Dattner

    Published 2025-01-01
    “…We propose a novel algorithm for standard addition that works with high-dimensional data without requiring matrix composition knowledge or blank measurements. By modifying experimental data (e.g., spectra) before applying chemometric models, the algorithm accurately determines analyte concentrations even in complex matrices like seawater or food, where blanks are unavailable. …”
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  13. 593

    Calibration of disk pasture meter to estimate a fire fuel load (aboveground plant biomass) for fire management in the northeastern steppe of Mongolia by Oyunsanaa Bayambasuren, Ariuntsetseg Lkhagva

    Published 2022-02-01
    “…Although we developed three linear regression models for DPM readings (100, 200, and 300) to estimate an optimal sampling effort, the model with 300 DPM models had the highest determination coefficient (0.82). …”
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  14. 594

    Machine learning reveals distinct aquatic organic matter patterns driven by soil erosion types by Yingxin Shang, Kaishan Song, Zhidan Wen, Fengfa Lai, Ge Liu, Hui Tao, Xiangfei Yu

    Published 2025-05-01
    “…Our analysis revealed distinct spatial patterns, with mean CDOM absorption coefficients at 355 nm of 3.73 m-1 in freeze-thaw erosion regions, 6.31 m-1 in wind erosion regions, and 3.72 m-1 in hydraulic erosion regions, reflecting significant variations driven by erosion intensity. Two axes of PCA analysis explained over 48% variations of CDOM for different soil erosion types. …”
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  15. 595

    Core thermal profiling application in additional geology structure appraisal of Permian-Carboniferous deposits at Usinsk oil field by E. Yu. Popov, E. M. Chekhonin, S. S. Safonov, S. O. Ursegov, I. P. Gurbatova

    Published 2016-12-01
    “…It is shown that the results of the high-resolution thermal profiling allow to detail porosity variations and to define more accurately depth intervals with variations of rock mineralogical composition.…”
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  16. 596

    Effects of tropical typhoon event on land-based nutrients sources fluxes in the semi-enclosed eutrophic Zhanjiang Bay coastal water, China by Jibiao Zhang, Yingxian He, Peng Zhang, Fang Xv

    Published 2025-03-01
    “…In this study, nutrient concentration, composition and flux of three estuaries and one sewage outlet in Zhanjiang Bay (ZJB) were analyzed. …”
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  17. 597

    Verrucomicrobium spinosum essential genome and the divergence of cell division in the PVC superphylum by Valentina Henriques, David Moyano-Palazuelo, Maria Teresa Alonso-Pascual, Manuel Pazos, Damien P. Devos, Elena Rivas-Marin

    Published 2025-08-01
    “…Summary: The Planctomycetota-Chlamydiota-Verrucomicrobiota superphylum comprises bacteria with divergent traits, epitomizing the vast biodiversity of non-model organisms that remains unexplored. Among its members, Planctomycetota and Chlamydiota exhibit unique adaptations, including variations in peptidoglycan structure and cell division without FtsZ. …”
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  18. 598

    SOURCES OF LOWER PALEOZOIC SANDSTONES FROM THE NORA-SUKHOTINO TERRANE: RESULTS OF U-Th-Pb AND Lu-Hf ISOTOPE STUDIES OF THE DETRITAL ZIRCONS by Y. V. Smirnov

    Published 2022-12-01
    “…The sandstones from the Belaya basin are characterized by significant variations in the composition of clastic material and major rock-forming elements, and by correspondence to arkoses and litharenites. …”
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  19. 599
  20. 600

    Probabilistic Forecasting of Ground Magnetic Perturbation Spikes at Mid‐Latitude Stations by Michael Coughlan, Amy Keesee, Victor Pinto, Raman Mukundan, José Paulo Marchezi, Jeremiah Johnson, Hyunju Connor, Don Hampton

    Published 2023-06-01
    “…Two model frameworks were compared, a model trained using solar wind data from the Advanced Composition Explorer (ACE) satellite, and another model trained on both ACE and SuperMAG ground magnetometer data. …”
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