Results 91 to 100 of about 1,529,540 (243)

Controlo de actuadores electromecânicos com incremento de tolerância a defeitos [PDF]

open access: yes, 2005
Este trabalho descreve um sistema de controlo e um método que permite o funcionamento de um motor eléctrico polifásico com tolerância a defeitos. Convencionalmente a redundância é conseguida à custa de enrolamentos complexos e topologia de inversores.
Gonçalves, Dora H. Avelar   +1 more
core  

Competição assimétrica e o incremento diamétrico de árvores individuais de Cedrela odorata L. na Amazônia ocidental

open access: yes, 2013
A dependent and independent growth distance model was fitted to evaluate how competition variables may account for the variation of periodic diameter increment of 132 Cedrela odorata trees.
T. Cunha, C. Finger
semanticscholar   +1 more source

Microbe‐induced resistance involves priming of direct or indirect defenses according to the stage of herbivory

open access: yesNew Phytologist, Volume 248, Issue 6, Page 3256-3269, December 2025.
Summary Microbe‐induced resistance (MIR) encompasses a broad range of plant responses that mediate both direct and indirect defenses against herbivores. However, previous studies have addressed MIR in relation to either direct or indirect defenses in isolation, overlooking potential conflicts or synergies that may arise between MIR‐elicited defense ...
Javier Rivero   +9 more
wiley   +1 more source

Modelos de crescimento em diâmetro de árvores individuais de Araucaria angustifolia (Bertol.) Kuntze em Floresta Ombrófila Mista

open access: yesCiência Florestal, 2011
Este trabalho objetivou modelar o crescimento em diâmetro para árvores individuais de Araucaria angustifolia, ocorrentes na Floresta Ombrófila Mista no nordeste do Rio Grande do Sul.
Tatiane Chassot   +3 more
doaj   +1 more source

Gillraker analysis and speciation in the thread herring genus Opisthonema [PDF]

open access: yes, 1963
ENGLISH: The thread herrings, genus Opisthonema, family Clupeidae, are marine fishes that occur only in tropical and subtropical waters off both coasts of the American continent.
Barrett, Izadore, Berry, Frederick H.
core  

Dinâmica do apoio em corredores veteranos com relação ao incremento da velocidade e da fadiga

open access: yes, 2014
INTRODUCCION: En las ultimas decadas, el numero de participantes en las carreras populares de resistencia ha aumentado, especialmente, de los atletas de la categoria de veteranos (mas de 35 anos), asi como el numero de pruebas organizadas.OBJETIVO ...
Jesús Salas Sánchez   +3 more
semanticscholar   +1 more source

Biomass production of tropical trees across space and time: The shifting roles of diameter growth and wood density

open access: yesJournal of Ecology, Volume 113, Issue 11, Page 3141-3158, November 2025.
Diameter growth is an important and good indicator of forest carbon production. However, size‐related changes in wood density, which are usually neglected, are critical for accurate short‐ and long‐term carbon assessments, especially in tropical humid sites.
Bruna Hornink   +18 more
wiley   +1 more source

Unidades de ortogeriatría

open access: yesGalicia Clínica, 2017
El aumento progresivo de la esperanza de vida ligada a la mejora de las condiciones higiénicas, socioeconómicas y de la asistencia sanitaria ha conducido a un incremento constante de la población anciana en los últimos años en nuestro país.
Rafael Monte Secades
doaj   +1 more source

Democracy and Environmental Quality in Latin America: A Panel System of Equations Approach, 1995-2008 [PDF]

open access: yes
Resumen:Esta investigación sugiere que un incremento del 10% en los niveles de democracia en América Latina reduce hasta en 0.6% el nivel de emisiones per capita de CO2 (calidad ambiental).
García Callejas, Danny
core  

Estimating above ground net biomass change in tropical and subtropical forests: refinement of IPCC default values using forest plot data [PDF]

open access: yes, 2019
As countries advance in greenhouse gas (GHG) accounting for climate change mitigation, consistent estimates of above ground biomass (AGB) net change are needed for the tropics and subtropics.
Anderson-Teixeira, Kristina   +33 more
core  

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