Results 31 to 40 of about 1,357,604 (212)

Design and Experimental Validation of a Ducted Counter-rotating Axial-flow Fans System [PDF]

open access: yes, 2012
An experimental study on the design of counter-rotating axial-flow fans was carried out. The fans were designed using an inverse method. In particular, the system is designed to have a pure axial discharge flow.
NOURI, Hussain   +9 more
core   +1 more source

Columna lumbar y hernias discales

open access: yesCiencia & Salud, 2017
El núcleo pulposo tiene la función de absorber la carga axial sobre la columna vertebral y transfiere la energía al anillo fibroso, de tal manera que dicha carga de convierte en una fuerza de compresión a estrés, permitiendo la transmisión de energía del
Francisco Bonilla Alvarado
doaj   +1 more source

Optimizing performance variables for small unmanned aerial vehicle co-axial rotor systems [PDF]

open access: yes, 2011
The aim of this project was to design and build a test-rig that is capable of analyzing small unmanned aerial vehicles (SUAV) co-axial rotor systems.
Stephen Prior   +5 more
core   +1 more source

Desplazamiento de la zona no deslizante del contacto en fretting fatiga con contacto esférico y carga axial [PDF]

open access: yes, 1999
Este artículo analiza las condiciones de contacto y las tensiones producidas durante un ensayo de fretting fatiga con carga axial utilizando un puente de fretting y elementos de contacto esférico.
Domínguez Abascal, Jaime   +1 more
core   +1 more source

Trajetória da carga tributária brasileira: 1995 - 2008 [PDF]

open access: yes, 2011
TCC (graduação) - Universidade Federal de Santa Catarina, Centro Sócio Econômico, Curso de Ciências Econômicas.O sistema tributário brasileiro é frequentemente apontado como complexo.
Correa, Paulo Henrique
core  

The Problem With Problem Load: Reconceptualizing Load in the Multiple Streams Framework

open access: yesReview of Policy Research, Volume 43, Issue 6, November 2026.
ABSTRACT What happens when policymaking systems buckle under pressure, disrupting consensus and stalling decision‐making? Drawing on the Multiple Streams Framework, we show that the existing concept capturing this stress, Problem Load, has been both misinterpreted and overstretched.
Dana A. Dolan, Nikolaos Zahariadis
wiley   +1 more source

Avaliação do grau de satisfação e da qualidade de vida de pacientes reabilitados com implantes osseointegrados submetidos à carga imediata [PDF]

open access: yes, 2013
Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Odontologia.Problemas com retenção e estabilidade de próteses totais removíveis convencionais prejudicam a funcionalidade, a estética e as relações psicossociais de seus usuários. Sendo
Baschirotto, Taise Veronezi
core  

Linking biosurface reactivity and photosynthesis to investigate Sphagnum mosses as ecosystem engineers

open access: yesNew Phytologist, Volume 252, Issue 1, Page 69-86, October 2026.
Habit photographs of field‐collected and in vitro‐cultivated (c) Sphagnum spp. used for experiments. Summary Sphagnum mosses regulate peatland carbon storage, hydrology, nutrient cycling, and ecosystem functioning. However, the links among their surface chemistry, photosynthesis, responses to submersion and pH remain poorly understood.
Anna Di Palma   +8 more
wiley   +1 more source

Estudo e Dimensionamento de Fundação Profunda por Estacas tipo Raiz [PDF]

open access: yes, 2015
TCC (graduação) - Universidade Federal de Santa Catarina. Centro Tecnológico. Engenharia Civil.Devido a natureza dos solos de fundações, sua grande variabilidade e anisotropia natural, o pleno entendimento de seu comportamento ainda não é possível na ...
Andrzejewski, Ivan Alberti
core  

Crisis Leadership Beyond the Flame: A Human‐Centered Crisis Expectations Model and Its Implications for Research, Policy, and Practice

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 17, Issue 3, September 2026.
ABSTRACT Disasters and crises disrupt lives and test the capacities of governments and organizations. While their immediate aftermath is often marked by uncertainty and disruption, recurrent patterns in how individuals are affected give rise to foreseeable hardships.
Michel L. A. Dückers
wiley   +1 more source

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