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Showing 781 - 800 results of 9,442 for search '(structures OR structural) variation', query time: 0.19s Refine Results
  1. 781

    Physicochemical properties, structure, growth-promoting and antioxidant activities of Glycyrrhiza leaf polysaccharides modified by fermentation by Juan Du, Yuan Wang, Xia Li, Zhalaga, Na Liu, Wenwen Wang, Jingwei Qi, Xiaoli Fan, Xiaoping An

    Published 2025-01-01
    “…Abstract This study aimed to investigate the effects of fermentation on the physicochemical properties and in vitro antioxidant activities of Glycyrrhiza leaf, compare the structures of unfermented (GLP) and fermented (FGLP) polysaccharides, and assess their growth-promoting and antioxidant activities using zebrafish embryos. …”
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  2. 782

    Structure of Needle Highlights Ecological Adaptability and Microevolution of Natural Populations of Cedrus atlantica in Morocco by Nezha El Bakkali, Mohammed Bendriss Amraoui

    Published 2022-01-01
    “…All these results show an adaptation of the structure of the needles of C. atlantica from Morocco to the geographical position and the climatic conditions of the populations.…”
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  3. 783

    Community-Based Lung Cancer Screening Program Structure, Quality, and Barriers: The Struggle for Implementation by Candice L. Wilshire, Kerrie E. Buehler, Claire A. Henson, Christopher R. Gilbert, Jed A. Gorden

    Published 2025-01-01
    “…Conclusions: A wide variation in the structure, quality, and resource allocation was identified within the network of LCSPs. …”
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  4. 784

    Study on Structure Design and Parameter Optimization of Diversion Rifled Feeder Based on CFD-DEM by Wancheng Dong, Xiongye Zhang, Zhen Jiang, Xue Hu, Yun Ge, Lixin Zhang

    Published 2025-02-01
    “…Response surface methodology was employed to optimize key structural parameters, aiming to enhance both air–fertilizer mixture uniformity and fertilizer delivery stability. …”
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  5. 785

    Genetic Structure and Diversity of Rice Root Nematode (<i>Hirschmanniella mucronata</i>) in Thailand by Siwakorn Supajariyapong, Hans Jørgen Lyngs Jørgensen, Pornthip Ruanpanun

    Published 2025-04-01
    “…Nonetheless, there is limited information about the genetic diversity and structure of these nematodes, including in Thailand, where the current study explored the diversity and structure of <i>Hirschmanniella</i> spp. from 57 paddy fields in major rice-growing areas across the country. …”
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  6. 786
  7. 787

    Exploring the Correlation Between Sleep Chronotype and the Volumes of Subcortical Structures and Hippocampal Subfields in Young Healthy Population by Fahad H. Alhazmi

    Published 2025-03-01
    “…Conclusions: Overall, the findings suggest that chronotype preferences are associated with the changes in the volumes of subcortical structures and hippocampal subfields and highlight the role of chronotypes in the neural mechanisms of these brain structures.…”
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  8. 788

    Population Genetic Structure of Three‐Spined Sticklebacks in the St. Lawrence: A Gradient of Change by Sann Delaive, Florent Sylvestre, Amanda Xuereb, Laurie Lecomte, Brian Boyle, Christian Otis, Louis Bernatchez, Nicolas Derome

    Published 2025-04-01
    “…Salinity emerged as a key driver of genetic structure, with clinal variation in allele frequencies suggesting ongoing adaptation along the gradient. …”
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  9. 789
  10. 790
  11. 791

    Community structure of Ichneumonidae (Hymenoptera) in a mangrove area in the coastal zone of Tamaulipas, Mexico by Blas Antonio Pérez-Urbina, Juana María Coronado-Blanco, Enrique Ruíz-Cancino, Crystian Sadiel Venegas-Barrera, Alfonso Correa-Sandoval, Jorge Víctor Horta-Vega

    Published 2018-09-01
    “…Our results showed that the mangrove area had the highest potential species richness, and that there were significant differences among the 3 ichneumonid communities. The community structures depend primarily on the biogeographical distribution of species and secondarily on the month of collection, whereas the type of vegetation contributed with lower variation. …”
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  12. 792
  13. 793

    Study on the Changing Rules of Silty Clay’s Pore Structure under Freeze-Thaw Cycles by Zongfang Chen, Huie Chen, Jinfeng Li, Hui Li, Wenliang Ma

    Published 2019-01-01
    “…The related data of pore structures under different test conditions were acquired through mercury injection porosimetry (MIP) tests, and the effects of the number of freeze-thaw cycles and freezing temperature on the change of the soil’s pore structure were investigated in detail in combination with fractal theory. …”
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  14. 794

    Optimization method of truss structure size and shape based on harmonic search genetic algorithm by XIE Jun, ZHANG Huashuai, LIN Shuqin, PANG Bolei, YAN Jie

    Published 2025-03-01
    “…In order to improve the traditional design concept and the lack of optimization of genetic algorithm, and promote the development and innovation of the shape optimization of truss structure, according to the basic principles of harmony search algorithm and genetic algorithm, a new hybrid genetic algorithm-harmony search genetic algorithm was proposed (the mixing of genetic algorithm and harmony search algorithm is to embed the harmony search operator after the operation of the genetic algorithm), and at the same time the cross-variation in the genetic algorithm was adaptively improved in three situations, and elitism and other improvement measures were introduced. …”
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  15. 795

    Generation of antigenic diversity in Plasmodium falciparum by structured rearrangement of Var genes during mitosis. by Antoine Claessens, William L Hamilton, Mihir Kekre, Thomas D Otto, Adnan Faizullabhoy, Julian C Rayner, Dominic Kwiatkowski

    Published 2014-12-01
    “…While single nucleotide polymorphisms (SNPs) were scattered across the genome, structural variants (deletions, duplications, translocations) were focused in and around var genes, with considerable variation in frequency between strains. …”
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  16. 796

    Revealing the Structure and Biodiversity Patterns of Fish Communities in River Networks Based on Environmental DNA by Ziyu Liu, Yongsheng Wu, Wenhui You, Shuxin Li, Ge Shi, Chen Zhang

    Published 2025-04-01
    “…This study utilized eDNA metabarcoding to investigate fish communities in three subtropical mountain rivers, aiming to uncover the community structure and spatiotemporal dynamics of the multidimensional biodiversity of fish communities across varying positions within the river network. …”
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  17. 797

    Structure of Interregional Economic Interactions as a Factor in the Formation of System Effects in National Economies by Natalya Gennadievna Dzhurka

    Published 2025-06-01
    “…At the same time, the set of countries united by the criterion of the presence of functional hierarchies in them is not homogeneous in terms of the role of different types of effects in the formation of hierarchical structures. The work explains the variation in the values of spatial multipliers depending on what variant of the structure of interregional economic interactions characterizes the national economic space, and within the framework of this explanation the consequences of illusions of a simple solution to the complex problems of spatial organization of the economy of a ?…”
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  18. 798

    Internal Structure of a Jet Nozzle for Coalbed Methane Mining Based on Airfoil Curves by Jian Chen, Liwen Guo, Yanwei Hu, Yong Chen

    Published 2018-01-01
    “…Based on airfoil curves that can effectively balance the rectification and drag reduction effects in flight hydrodynamics, we designed an internal streamline structure of jet nozzle for coalbed methane (CBM) mining. …”
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  19. 799

    Effects of salt stress on physiological-biochemical characteristics and chloroplast submicroscopic structure of Rhododendron indicum by WU Yue-yan, LI Bo, ZHANG Yan-zhong, CUI Peng

    Published 2011-11-01
    “…A series of pot experiments were conducted to understand the effects of salt stress on physiological-biochemical characteristics and chloroplast submicroscopic structure of Rhododendron indicum. The results indicated a robust development of the individuals under low salt stress. …”
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  20. 800

    Genetic Variability and Population Structure of Ethiopian Yams (Dioscorea spp.) Based on SSR Markers by Gerezgiher Mekonen Gebrhud, Hewan Demissie Degu, Eleni Shiferaw Tessema, Tsegaye Babege Worojie

    Published 2025-06-01
    “…Hence, this study aimed to evaluate the genetic diversity and population structure of 31 yam accessions collected from various agro‐ecologies in Ethiopia based on 10 SSR markers. …”
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