Results 111 to 120 of about 38,459 (259)

Stochastic Locomotion Emerging From Body–Environment Interactions in a Mexican Jumping Bean–Inspired Robot

open access: yesAdvanced Intelligent Systems, EarlyView.
Inspired by the Mexican jumping bean, this study presents a centimeter‐scale, electronics‐free robot that merges principles from both the animal and plant kingdoms. A thermo‐responsive actuator mimicking larval motion, enclosed within a uniquely shaped plant‐seed‐inspired shell, generates jumping, rolling, flipping, sliding, and climbing through ...
Ragesh Chellattoan   +3 more
wiley   +1 more source

Relatório de estágio supervisionado II [PDF]

open access: yes, 2003
Trabalho de Conclusão de Curso - Universidade Federal de Santa Catarina. Curso de Engenharia de Aquicultura.
Doneda, Graziela Nunes
core  

Income sharing for common pool resources with uncertain productivity

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract We address the interconnected issues of externalities in the use of a natural common‐pool resource system and adverse effects of environmental uncertainty on risk‐averse resource users. We set up a simple analytical model and derive conditions such that insurance by means of an income sharing mechanism mitigates externalities and hence ...
Claudia Kelsall   +2 more
wiley   +1 more source

Development of free neuromasts in Engraulis ringens and Strangomera bentincki (Teleostei, Clupeiformes) early larvae

open access: yesLatin American Journal of Aquatic Research, 2014
Neuromast morphology and distribution are characterized during early ontogeny of anchoveta (Engraulis ringens) and common sardine (Strangomera bentincki).
Alejandra Llanos-Rivera   +3 more
doaj  

Interacción entre Glifosato y Beauveria bassiana: Respuesta al crecimiento en medios con estrés por agroquímicos

open access: yesAIA Avances en Investigación Agropecuaria
Introducción. El uso intensivo de herbicidas, como el glifosato, despertó una creciente preocupación ambiental y ecológica, afectando tanto a organismos perjudiciales como a benéficos.
José Roberto Zúñiga-Silva   +1 more
doaj   +1 more source

Zebrafish xenograft models as a fast platform for metastasis diagnosis and cisplatin response of head and neck squamous cell carcinoma

open access: yesAnimal Models and Experimental Medicine, EarlyView.
A zebrafish xenograft model accurately distinguishes metastatic from non‐metastatic HNSCC and recapitulates cisplatin sensitivity/resistance patterns. Using patient‐derived tumors, it predicts individual therapeutic responses, offering a rapid, clinically applicable platform for guiding personalized treatment. Abstract Background Head and neck squamous
Lu Chen   +11 more
wiley   +1 more source

Cuantificación del parasitismo natural de Braconidae e Ichneumonidae (Hymenoptera) en larvas de gusano cogollero del maíz (Spodoptera frugiperda Smith), en Santa Cruz, Guanacaste

open access: yesTecnología en Marcha
Las poblaciones de Spodoptera frugiperda son reguladas naturalmente por enemigos naturales como los parasitoides y depredadores. A pesar de ello, el desconocimiento de estos grupos ecológicos y la alta dependencia a insecticidas sintéticos en los ...
Jairo Mora-Prendas
doaj   +1 more source

Delayed metamorphosis in decapod crustaceans: evidence and consequences Retraso de la metamorfosis en crustáceos decápodos: evidencias y consecuencias

open access: yesRevista Chilena de Historia Natural, 2003
Most marine invertebrate species exhibit a complex life cycle including a planktonic larval phase and a benthic juvenile-adult phase. Metamorphosis and settlement are the links between these phases of development.
PAULINA GEBAUER   +2 more
doaj  

Early evolution of the gular musculature and its innervation in ray‐finned fishes

open access: yesThe Anatomical Record, EarlyView.
Abstract Gular muscles are an important but often overlooked component of cranial anatomy in bony fishes. They are located on the ventral surface of the head and are derived from the mandibular and hyoid arches. We present a comprehensive review of the gular musculature and its innervation across early diverging actinopterygian lineages. By integrating
Aléssio Datovo   +4 more
wiley   +1 more source

Distribución y abundancia de larvas del pez Katsuwonus pelamis (Perciformes: Scombridae) en el Golfo de México, 1982-1992

open access: yesRevista de Biología Tropical, 2008
El barrilete Katsuwonus pelamis, considerado en el grupo de los atunes menores, es una especie epipelágica, distribuida en aguas tropicales y subtropicales del mundo, que ha llegado a convertirse en uno de los atunes más capturados.
Ma. de Lourdes Guevara-Rascado   +2 more
doaj  

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