Showing 781 - 800 results of 9,442 for search '(structures OR (structural OR structure)) variations', query time: 0.24s Refine Results
  1. 781
  2. 782

    Tree community, vegetation structure and aboveground carbon storage in Atlantic tropical forests of Cameroon by Jean Louis Fobane, Jules Christian Zekeng, Cédric Djomo Chimi, Jean Michel Onana, André Paul Ebanga, Léonnel Djoumbi Tchonang, Ameline Clarance Talla Makoutsing, Marguerite Marie Mbolo

    Published 2024-12-01
    “…This study aimed to fill existing knowledge gaps by characterising plant communities, assessing the vegetation structure, and quantifying the potential of carbon stocks. …”
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    Article
  3. 783

    Response of Water-Sediment Structure to Three-dimensional Baroclinic Effects in Yangtze River Estuary by ZHU Xian-bo, LU Chuan-teng, LUO Xiao-feng, ZHANG Gong-jin

    Published 2025-08-01
    “…[Objective]As a critical deep-water navigation channel, the stability of the water-sediment structure in the North Passage of the Yangtze River Estuary directly affects channel maintenance and navigational safety. …”
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  4. 784

    Multi-detachment-controlled thrust structures and deep hydrocarbon exploration targets in southern margin of Junggar Basin, NW China by Baoli YU, Chengzao JIA, Keyu LIU, Yong DENG, Wei WANG, Peng CHEN, Chao LI, Jia CHEN, Boyang GUO

    Published 2025-06-01
    “…Key results are obtained in three aspects. First, structural deformation is controlled by two-stage paleo-structures and three detachment layers with distinct lateral variations: the Jurassic layer (moderate thickness, wide distribution), the Cretaceous layer (thickest but weak detachment), and the Paleogene layer (thin but long-distance lateral thrusting). …”
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    Article
  5. 785

    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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  6. 786

    Structural background of intraspecific color polymorphism and the driver of geographic patterns in a shining leaf chafer by Yuanyuan Lu, Alexander Kovalev, Lulu Li, Chuchu Li, Xinyi Zhu, Min He, Xingke Yang, Ming Bai, Stanislav N. Gorb

    Published 2025-08-01
    “…In this instance, the attempts to explain the distribution patterns and their potential causes lacking structural background of color formation, are likely to be misguiding. …”
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    Article
  7. 787

    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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    Article
  8. 788

    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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    Article
  9. 789

    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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    Article
  10. 790

    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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    Article
  11. 791

    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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  12. 792
  13. 793

    A Multi-Scale Unsupervised Feature Extraction Network with Structured Layer-Wise Decomposition by Yusuf Şevki Günaydın, Baha Şen

    Published 2025-06-01
    “…This decomposition enhances the information richness of input data while preserving its structural integrity, making it especially beneficial for grayscale or low-resolution images. …”
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  14. 794

    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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  15. 795

    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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    Article
  16. 796

    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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  17. 797

    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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  18. 798

    Genomic resequencing reveals genetic diversity, population structure, and core collection of durian germplasm by Yiwang Zhong, Liying Feng, Huidong Deng, Xiaohao Ji, Jing Zhang, Yangyang Sun, Peifan Lin, Yang Qiao, Shenghua Xie, Haibo Wang, Lijun Guo, Xuejie Feng

    Published 2025-08-01
    “…Our study provides insights into the genetic diversity and population structure of cultivated durian. The defined core collection and genomic variation map establish a valuable resource for durian breeding and germplasm conservation. …”
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    Article
  19. 799

    Population genetic structure of Chinese Puccinia triticina races based on multi-locus sequences by Tai-guo LIU, Run-jing GE, Yu-tong MA, Bo LIU, Li GAO, Wan-quan CHEN

    Published 2018-08-01
    “…Seventy-six isolates of the wheat leaf rust pathogen from Yunnan, Sichuan, Gansu and Henan provinces, China, were tested on wheat leaf rust differentials and the population structure was analyzed using four presumably neutral partial sequence markers such as elongation factor-1α (EF-1α), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), β-tubulin (TUB) and the second largest RNA polymerase subunit (RPB2). …”
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  20. 800

    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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