Showing 661 - 680 results of 1,109 for search 'variations model composition', query time: 0.13s Refine Results
  1. 661

    A New Approach to Constrain Crustal Vp/Vs From Rayleigh Wave Phase Velocity and Local Amplification: Application to the Western US by Yiran Huang, Colleen A. Dalton, Anant Hariharan

    Published 2025-03-01
    “…The models contain Vp/Vs values in the range 1.6–1.85 and variations that are consistent between the three models and with previous results, including a westward increase of Vp/Vs across the Central Basin and Range. …”
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  2. 662

    Urban ecology in the context of urban heat island vulnerability potential zone mapping: the case of Mekelle city, Ethiopia by Solomon Tesfamariam, Vanum Govindu, Abera Uncha

    Published 2024-12-01
    “…The results from the two models were compared, and their variations were examined. …”
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  3. 663
  4. 664

    Machine learning integrates region-specific microbial signatures to distinguish geographically adjacent populations within a province by Li Luo, Li Luo, Bangwei Chen, Bangwei Chen, Shengyin Zeng, Shengyin Zeng, Yaxin Li, Yaxin Li, Xiaolin Chen, Xiaolin Chen, Jianguo Zhang, Xiangjie Guo, Shujin Li, Lei Ruan, Shida Zhu, Cairong Gao, Cuntai Zhang, Tao Li

    Published 2025-07-01
    “…BackgroundThe individual specificity and temporal stability of the human gut microbiota have revealed significant compositional differences across geographical provenances. …”
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  5. 665
  6. 666

    The role of lighter oil components on CO2-induced swelling and pressure decay dynamics under reservoir conditions by Bilal Zulfiqar, Moh’d Amro, Helmut Geistlinger

    Published 2025-09-01
    “…Our micro-CT experimental results verify this model and demonstrate that the oil volume increases with an increase in the lighter components in crude oil. …”
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  7. 667

    Macrophytes As Indicators Of The Ecological Status Of Valaam Island Small Lakes System by B. B. Buenano, N. V. Zueva

    Published 2023-04-01
    “…The ecological status of the lakes according to each assessed parameter reflects that all lakes are characterized by a mesotrophic to eutrophic state, there is a variation in species composition of macrophyte and no water level change or acidification processes are presumed to occur in any of the lakes. …”
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  8. 668

    Miroir du théâtre : mise en abyme et maniérisme dans The Convent of Pleasure de Margaret Cavendish (1668) by Line Cottegnies

    Published 2006-04-01
    “…The term, borrowed from the French critical tradition, refers, among others, to peculiar modalities of imitation and variation and allows us to define precise modes of composition. …”
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  9. 669

    Progress in the Study of Dry Shrinkage Deformation and Drying Stress of Raw Bamboo by Jiayi Zhu, Lin Yang

    Published 2025-02-01
    “…To address these issues, the study recommends developing universal theoretical models, employing advanced detection technologies, comparing shrinkage patterns between bamboo culms and nodes, exploring drying stress composition, and adopting multi-scale research approaches. …”
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  10. 670

    Advances in the Detection and Identification of Bacterial Biofilms Through NIR Spectroscopy by Cristina Allende-Prieto, Lucía Fernández, Pablo Rodríguez-Gonzálvez, Pilar García, Ana Rodríguez, Carmen Recondo, Beatriz Martínez

    Published 2025-03-01
    “…We developed a detailed methodology for data acquisition and processing that takes into consideration the biochemical composition of these biofilms. To improve the quality of the spectral data, SNV (Standard Normal Variate) and Savitzky–Golay filters were applied, which correct systematic variations and eliminate random noise, followed by an exploratory analysis that revealed significant spectral differences in the NIR range. …”
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  11. 671

    Torque-speed relationship of the flagellar motor with dual-stator systems in Pseudomonas aeruginosa by Haolin Wu, Zhengyu Wu, Maojin Tian, Rongjing Zhang, Junhua Yuan

    Published 2024-12-01
    “…We found drastic differences that stem from the varying load dependencies of stator stability. These variations enable bacteria to rapidly adjust their stator composition in response to external load conditions. …”
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  12. 672

    Source Apportionment of Fine Particulate Matter in Wuhan: Application of Rolling Positive Matrix Factorization Under Different Seasons and Episodic Events by Ziye Guo, Qiongqiong Wang, Nan Chen, Bo Zhu, Huang Zheng, Shaofei Kong, Mingjie Xie, Huan Yu

    Published 2025-04-01
    “…Abstract Introduction Source apportionment of fine particulate matter (PM2.5) from positive matrix factorization (PMF) model with long-term measurements of chemical composition data can be biased due to changes of source profiles across the sampling period. …”
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  13. 673

    Impact of submicron Nb_{3}Sn stoichiometric surface defects on high-field superconducting radiofrequency cavity performance by Sarah A. Willson, Aiden V. Harbick, Liana Shpani, Van Do, Helena Lew-Kiedrowska, Matthias U. Liepe, Mark K. Transtrum, S. J. Sibener

    Published 2024-11-01
    “…The SRF community currently lacks a predictive model that can explain the impact of chemical and morphological properties of Nb_{3}Sn defects on vortex nucleation and maximum accelerating gradients. …”
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  14. 674

    Impact of host physiology and external stressors on the bacterial community of Schmidtea mediterranea by Karolien Bijnens, Sofie Thijs, Rossella Alfano, Breanne McAmmond, Jonathan Van Hamme, Tom Artois, Michelle Plusquin, Jaco Vangronsveld, Karen Smeets

    Published 2025-02-01
    “…We investigated microbiome variation using the freshwater planarian Schmidtea mediterranea, an invertebrate model in regeneration biology and (eco-)toxicology, by exposing the organisms to various controlled conditions. …”
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  15. 675

    Effects of vegetation restoration on soil fungi community structure and assembly process in a semiarid alpine mining region by Yuanyuan Xue, Yuanyuan Xue, Wei Liu, Qi Feng, Meng Zhu, Jutao Zhang, Lingge Wang, Lingge Wang, Zexia Chen, Zexia Chen, Xuejiao Li, Xuejiao Li

    Published 2025-07-01
    “…Despite its ecological significance, current comprehension regarding the structure composition and assembly mechanisms of soil fungal communities following vegetation restoration in these fragile ecosystems remains insufficient.MethodsWe used the high-throughput sequencing and null model analysis to determine the variations and environmental drivers of soil fungal community structures and assembly processes across different restoration chronosequences (natural plant sites, unrestored sites, 2-year restoration sites, and 6-year restoration sites) in a semiarid alpine coal mining region.ResultsArtificial vegetation restoration significantly enhanced the α diversity of soil fungal communities while reducing β diversity. …”
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  16. 676

    A multiplexing system for quantifying oxygen fractionation factors in closed chambers by C. Paul, C. Piel, J. Sauze, O. Jossoud, A. Dapoigny, D. Romanini, F. Prié, S. Devidal, R. Jacob, A. Milcu, A. Milcu, A. Landais

    Published 2025-05-01
    “…<p>The study of isotopic ratios of atmospheric oxygen in fossilized air trapped in ice core bubbles provides information on variations in the hydrological cycle at low latitudes and productivity in the past. …”
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  17. 677

    Investigation of Aluminium White Dross for Hydrogen Generation Hydrolysis in Low-Concentration Alkali by Ainars Knoks, Ansis Mezulis, Christiaan Richter, Sarunas Varnagiris, Marius Urbonavicius, Darius Milcius, Rauan Meirbekova, Gudmundur Gunnarsson, Daniels Jurjevs, Raitis Sika, Janis Kleperis

    Published 2025-02-01
    “…The composition revealed low to moderate aluminium content and the presence of various crystalline phases; hydrolysis reactions showed hydrogen generation’s direct dependence on the amount of aluminium present, which translated into variation in the volume per sample mass. …”
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  18. 678

    Crop, semi-natural, and water features of the cotton agroecosystem as indicators of risk of infestation of two plant bug (Hemiptera: Miridae) pests by Michael J. Brewer

    Published 2024-11-01
    “…Aggregation metrics were also relevant, but composition metrics in the models were arguably more easily utilized in prioritizing insect monitoring. …”
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  19. 679

    Metabolomic Characterisation of Low-Density Lipoproteins Isolated from Iodixanol and KBr-Based Density Gradient Ultracentrifugation by Richard J. Webb, John K. Lodge, Sophie S. Scott, Ian G. Davies

    Published 2025-01-01
    “…Conclusions: The findings reveal distinct differences in the small molecule composition of LDL prepared using the two methods, with IGUC exhibiting greater variation. …”
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  20. 680

    Distribution pattern and niche overlap of sympatric breeding birds along human-modified habitat gradients in Inner Mongolia, China by Xi Yang, Lishi Zhang, Piotr Tryjanowski, Frédéric Jiguet, Zheng Han, Haitao Wang

    Published 2025-03-01
    “…This study aims to assess the impact of variations in vegetation composition and human disturbance on the distribution of sympatric breeding birds and to determine the extent of niche overlap or differentiation among these species. …”
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