Results 1 to 10 of about 36,428 (209)

Contributions to the Dynamic Regime Behavior of a Bionic Leg Prosthesis [PDF]

Biomimetics, 2023
The purpose of prosthetic devices is to reproduce the angular-torque profile of a healthy human during locomotion. A lightweight and energy-efficient joint is capable of decreasing the peak actuator power and/or power consumption per gait cycle, while ...
Marius-Valentin Drăgoi, Anton Hadăr, Nicolae Goga, Florin Baciu, Amado Ștefan, Lucian Ștefăniță Grigore, Damian Gorgoteanu, Cristian Molder, Ionica Oncioiu   +8 more
doaj   +2 more sources

Comparative Approach to De-Noising TEMPEST Video Frames [PDF]

Sensors
Analysis of unintended compromising emissions from Video Display Units (VDUs) is an important topic in research communities. This paper examines the feasibility of recovering the information displayed on the monitor from reconstructed video frames.
Alexandru Mădălin Vizitiu, Marius Alexandru Sandu, Lidia Dobrescu, Adrian Focșa, Cristian Constantin Molder   +4 more
doaj   +2 more sources

Research on Heat Transfer through a Double-Walled Heat Shield of a Firefighting Robot

Machines, 2022
Burning forests, petrochemical installations and material warehouses generate very large fields and thermal gradients, which means human intervention to extinguish the fire is greatly limited.
Amado Ștefan, Lucian Ștefăniță Grigore, Cristian Molder, Ionica Oncioiu, Bogdan Vlădescu, Daniel Constantin, Damian Gorgoteanu, Răzvan-Ionuț Bălașa, Ștefan Mustață   +8 more
doaj   +1 more source

Theoretical and Experimental Aspects Regarding the Forced Mounting of a Cylinder Containing the Electronics of a Mini Submarine

Journal of Marine Science and Engineering, 2021
The underwater robot is part of a project with “terrestrial–maritime” collaborative robots, whose mission is recognition and rescue. From a structural point of view, some small changes were made in this study to the original robot.
Amado-George Ștefan, Lucian Ștefăniță Grigore, Silvia Marzavan, Iustin Priescu, Ionica Oncioiu   +4 more
doaj   +1 more source

Black Lives Matter and Mães de Maio: What Unites Us

Frontiers in Sociology, 2022
The long history of slavery in the USA and Brazil is still evident when looking at the violence which takes place in each country today. In addition, the growing militarization of public management is due to the foreign policy of the USA and the military
Anelise Gregis Estivalet, Anelise Gregis Estivalet   +1 more
doaj   +1 more source

Caracterização da superfície foliar e das ceras epicuticulares em Commelina benghalensis, Ipomoea grandifolia e Amaranthus hybridus Leaf surface characterization and epicuticular wax composition in Commelina benghalensis, Ipomoea grandifolia and Amaranthus hybridus

Planta Daninha, 2004
Este estudo teve o objetivo de caracterizar a superfície foliar e a composição de ceras epicuticulares das plantas daninhas Commelina benghalensis, Ipomoea grandifolia e Amaranthus hybridus.
P.A. Monquero, P.J. Christoffoleti, J.A. Matas, A. Heredia   +3 more
doaj   +1 more source

Ceras foliares epicuticulares de espécies congêneres da mata e do cerrado Foliar epicuticular waxes of congeneric species from forest and cerrado vegetation

Acta Botânica Brasílica, 1996
Espécies de cerrado e mata foram analisadas quanto à sua composição em ceras foliares epicuticulares e de seus componentes hidrocarbonetos. Observou-se nas espécies de cerrado uma tendência a teores de ceras pouco maiores que os de espécies de mata ...
Elenice Mouro Varanda, Déborah Yara Alves Cursino dos Santos   +1 more
doaj   +1 more source

Utilização dos componentes da cera das plantas, em especial os n-alcanos, em estudos de nutrição de ruminantes The utilization of plant wax components, especially n-alkanes, in ruminants nutrition studies

Ciência Rural, 2000
A utilização de métodos indiretos para estimar o consumo e a digestibilidade dos alimentos por ruminantes é bastante importante, porque pode representar uma economia de tempo, dinheiro e trabalho em relação aos experimentos convencionais e, também, por ...
Dimas Estrásulas de Oliveira, Ênio Rosa Prates   +1 more
doaj   +1 more source

Influencia de la presión y temperatura en etapas de desencerado de piezas microfundidas

TecnoLógicas, 2022
En el proceso de microfundición es común que las piezas fabricadas presenten defectología asociada al manejo de materiales, procedimientos y planes de control que muchas veces no están normalizados y que pueden afectar requisitos de calidad.
David Leonardo Blanco Estupiñán, Ángela Lorena Cardenas   +1 more
doaj   +1 more source

Caracteres foliares en diez especies neotropicales y argentinas de Canna (Cannaceae, Zingiberales).

Boletín de la Sociedad Argentina de Botánica, 2017
Se llevó a cabo un estudio con microscopía de luz y electrónica de barrido (MEB) de los caracteres de la epidermis y de la ontogenia de los estomas en especies neotropicales de Canna (Cannaceae).
María De Las Mercedes Ciciarelli, Lilian M. Passarelli, Cristina H. Rolleri   +2 more
doaj   +1 more source