Results 91 to 100 of about 27,633 (264)

Inter‐microscope comparability of dental microwear texture data obtained from different optical profilometers: Part II Deriving instrument‐specific correction equations for meta‐analyses using published data

open access: yesThe Anatomical Record, EarlyView.
Abstract Dental microwear texture analysis (DMTA) has emerged as a valuable method for investigating the feeding ecology of vertebrates. Over the past decade, three‐dimensional topographic data from microscopic regions of tooth surfaces have been collected, and surface texture parameters have been published for both extant and fossil species.
Mugino O. Kubo   +4 more
wiley   +1 more source

Surface initial characteristics and rainfall influence on fractal dimension of soil microrelief [PDF]

open access: yes, 1998
[Abstract] The complex behavior of soil surface microrelief and its evolution is difficult to quantify. Several empirical roughness indices and geostatistical procedures currently used have been found to be sensitive to describe roughness differences ...
Paz González, Antonio   +1 more
core   +1 more source

Inter‐microscope comparability of dental microwear texture data obtained from different optical profilometers: Part I Reproducibility of diet inference using different instruments

open access: yesThe Anatomical Record, EarlyView.
Abstract Dental microwear texture analysis (DMTA) has become a well‐established method for dietary inference and reconstruction in both extant and extinct mammals and other tetrapods. As the volume of available data continues to grow, researchers could benefit from combining published data from various studies to perform meta‐analyses.
Daniela E. Winkler, Mugino O. Kubo
wiley   +1 more source

Cálculo de la dimensión fractal de la falla geológica del sur occidente de Colombia

open access: yesCiencia e Ingeniería Neogranadina, 2007
En este artículo se presenta un ejemplo específico para la aplicación de las geometrías Fractales a la ingeniería. El trabajo presenta resultados sobre un sistema de fallas juntas y fracturas para establecer si satisfacen distribuciones fractales.
Karol Johana Toro Salas   +2 more
doaj   +1 more source

Perfilru: un programa para el análisis de la rugosidad de perfiles microtopográficos mediante el estudio de la geometría fractal [PDF]

open access: yes, 1996
[Resumen] Presentamos un programa de ordenador para el estudio de la rugosidad de perfiles y su variación con la escala. El análisis se basa en la obtención de la dimensión fractal del perfil para intervalos de escala seleccionables, calculada mediante ...
Gallart, F., Pardini, G.
core   +1 more source

Understanding cationic polyelectrolyte thermogels with varying charge densities toward biomaterials design

open access: yesBMEMat, EarlyView.
Cationic polyurethane thermogels with customizable charge density were developed, exhibiting enhanced pH‐responsiveness. This work elucidates how cationic charges influence self‐assembly and thermogelling, providing insights for designing smart biomaterials.
Belynn Sim   +10 more
wiley   +1 more source

Curso fractales en la licenciatura: una experiencia didáctica [PDF]

open access: yes, 2006
Este documento presenta una propuesta de incorporación de la temática Fractales al currículo de la Licenciatura en Matemáticas en el marco de la formación de profesores, de tal manera que brinda a los estudiantes la posibilidad de introducirse en ...
Orjuela, Claudia   +2 more
core  

Early evolutionary history of the seed

open access: yesBiological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman   +2 more
wiley   +1 more source

Methodology of image analysis for study of the vertisols moisture content [PDF]

open access: yes, 2014
The main problem to study vertical drainage from the moisture distribution, on a vertisol profile, is searching for suitable methods using these procedures. Our aim was to design a digital image processing methodology and its analysis to characterize the
Cumbrera Gonzalez, Ramiro Alberto   +2 more
core  

Spatial metrics in fire ecology: seeking consistency amidst complexity

open access: yesBiological Reviews, EarlyView.
ABSTRACT Technological advances, including remote sensing, have led to a proliferation of metrics used in ecological studies to examine spatial patterns of fire regimes and their ecological effects. Researchers can use many different metrics to analyse spatial variation in both fire events and resulting fire regimes, including fire size, shape ...
Alexander R. Carey   +5 more
wiley   +1 more source

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