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Fractales
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1741“…Grazing reduced the architectural complexity of algae, with increased fractal dimensions in the absence of grazers, and also reduced algal cover at all sites, though the latter effect was only significant for upwelling sites. …”
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1742por Concha, Luis, Resende Pires, Ana Luiza, Moraes, Angela Maria, Mas-Hernández, Elizabeth, Berres, Stefan, Hernandez-Montelongo, Jacobo“…Results for the Korsmeyer–Peppas model showed that the release of A. chica extract from four membrane formulations was by a diffusion through a partially swollen matrix and through a water filled network mesh; however, the Weibull model suggested that non-porous membranes (CA and CAS) had fractal geometry and that porous membranes (CAP and CAPS) have highly disorganized structures. …”
Publicado 2022
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1743por Peptenatu, Daniel, Andronache, Ion, Ahammer, Helmut, Taylor, Richard, Liritzis, Ioannis, Radulovic, Marko, Ciobanu, Bogdan, Burcea, Marin, Perc, Matjaz, Pham, Tuan D., Tomić, Bojan M., Cîrstea, Cosmin Iulian, Lemeni, Adrian Nicolae, Gruia, Andreea Karina, Grecu, Alexandra, Marin, Marian, Jelinek, Herbert Franz“…Our novel approach using the artificial surface images generated with Inverse FFT and the Midpoint Displacement (MD) algorithms, was validated by comparison of results with eight fractal and non-fractal indices. From the analyzes performed, normalized Kolmogorov compression complexity (KC) proved to be the best solution because it had the best complexity pattern differentiations, is not sensitive to the image size and the least affected by noise. …”
Publicado 2022
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1744“…Compared to resting with eyes closed, the meditation categories emptiness and focused attention showed higher values of entropy and fractal dimension. Long-range temporal correlations were declined in all meditation conditions. …”
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1745“…The quantitative analysis on the influence of PVC on pore characteristics and carbon microcrystal structure was conducted by the fractal theory and deconvolution method. The gasification performance was explored using a thermogravimetric analyzer. …”
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1746por Aslam, Mazzamal, Beg, Saira, Anjum, Adeel, Qadir, Zakria, Khan, Shawal, Malik, Saif Ur Rehman, Mahmud, MA Parvez“…There have been several attempts to enhance the quality of the S-box by using fractal chaotic mechanisms. However, there is still weakness in the robustness against cryptanalysis of fractal-based S-boxes. …”
Publicado 2022
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1747“…Atomic-force microscopy (AFM) and transmission electron microscope (TEM) investigations showed that wildtype BalCP20-P3 formed grain-like spindles, which assembled into fractal-like structures like ears of wheat. SDS-PAGE, AFM, and LSCM showed that DTT treatment opened up disulfide bonds between cysteines and disrupted fractal-like structures. …”
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1748“…On the other hand, the increase of oxidation and acidification degree of tailing sand leads to a gradual reduction of outline (2D) fractal dimension and gray surface (3D) fractal dimension of surface laminated structure as well as the obvious reduction of laminated structure and its roughness of tailings sand.…”
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1749“…We characterized the shape complexity of the ice dendrites using fractal analysis. Experiments show that ice dendrites on textured oil-impregnated surfaces have lower fractal dimensions than those on traditional lotus leaf-inspired air-filled porous structures. …”
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1750por González-Durruthy, Michael, Concu, Riccardo, Ruso, Juan M., Cordeiro, M. Natália D. S.“…Elastic network models and fractal surface analysis were performed to study conformational perturbations induced by SWCNT. …”
Publicado 2021
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1751por Ntalampekos, Dimitrios“…This self-contained book lays the foundations for a systematic understanding of potential theoretic and uniformization problems on fractal Sierpiński carpets, and proposes a theory based on the latest developments in the field of analysis on metric spaces. …”
Publicado 2020
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1752“…The scaling variable depends on the anomalous fractal dimension of the incoming pion. Its value is found to be delta subpi approx = 0.1. …”
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1753“…The determination of the fractal dimension can consider the individual characteristics of the spread of the contrast medium or therapeutic substance(s) in living tissue. …”
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1754por Batty, MichaelTabla de Contenidos: “…List of figures -- List of tables -- Preface -- Acknowledgements -- Preamble -- Prerequisites and foundations -- Building a science of cities -- EBB and flow : interaction, gravity, and potential -- Connections and correlations : the science of networks -- The science of cities -- The growth of cities : rank, size, and clocks -- Hierarchies and networks -- Urban structure as space syntax -- Distance in complex networks -- Fractal growth and form -- Urban simulation -- The science of design -- Hierarchical design -- Markovian design machines -- A theory for collective action -- Urban development as exchange -- Plan design as committee decision-making -- Conclusions: a future science -- References -- Author index -- Subject index.…”
Publicado 2013
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1755por Williams, Kim“…For architecture, the generating structure might be geometrical, musical, modular, or fractal. Once we understand the nature of the structure underlying the design, we are able to "read" the meaning inherent in the architectural forms. …”
Publicado 2009
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1756por Policarpo, J.M.P., Ramos, A.A.G.F., Dye, C., Faria, N.R., Leal, F.E., Moraes, O.J.S., Parag, K.V., Peixoto, P.S., Buss, L., Sabino, E.C., Nascimento, V.H., Deppman, A.“…Here we validate an existing model of a scale-free fractal infection process using high-resolution data on COVID-19 spread in São Caetano, Brazil. …”
Publicado 2023
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1757por Hou, Jiancheng, Huibregtse, Megan E., Alexander, Isabella L., Klemsz, Lillian M., Fu, Tsung‐Chieh, Rosenberg, Molly, Fortenberry, James Dennis, Herbenick, Debby, Kawata, Keisuke“…High‐resolution anatomical magnetic resonance imaging (MRI) data were analyzed using both volumetric features (cortical thickness) and geometric features (fractal dimensionality, gyrification, sulcal depth). …”
Publicado 2023
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1758por Wang, Wensheng, Yang, Liansheng, Cui, Honghai, Wu, Fei, Cheng, Yongchun, Liang, Chunyu“…Surface wear of asphalt mixtures under repeated freeze–thaw cycles is a complex and dynamic process. Fractal theory can uncover the mechanism of surface wear, while describing surface wear behavior and void deformation characteristics using fractal dimension, angularity, roundness, and aspect ratio is a logical and effective approach. …”
Publicado 2023
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1759por Wang, Xiao-He, Jing, Wu, Zhang, Wen-Bo, Wang, Jiang-Hao, Yun, Qing-Long, Wang, Yi-Qing, Yi, Sui“…The insights garnered from this study pave the way for distinguishing between impacted and unimpacted coal samples using energy perspectives and fragmentation's fractal dimensions.…”
Publicado 2023
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1760por Rebouças, Sara Cristina Lima, Cougnard‐Gregoire, Audrey, Arnould, Louis, Delyfer, Marie‐Noëlle, Schweitzer, Cédric, Korobelnik, Jean‐François, Foubert‐Samier, Alexandra, Cheung, Carol Y., Wong, Tien Y., Delcourt, Cécile, Helmer, Catherine“…METHODS: Among 584 participants from the Three‐City‐Alienor (3C‐Alienor) population‐based cohort, quantitative retinal vascular features (caliber, tortuosity, fractal dimension) were measured using semi‐automated software. …”
Publicado 2023
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