Results 21 to 30 of about 9,052 (218)

A Comprehensive Analytical Model and Performance Analysis of the LLC Resonant DCX Converter Considering Dead Time and Parasitic Effects

open access: yesIEEE Open Journal of Power Electronics
The LLC resonant DCX converter is extensively used in DC-DC power conversion systems, with well-established concepts for its analysis and design. However, methodologies and analytical models for accurately determining the effects of dead-time ($t_{dt ...
Samuel S. Queiroz, Levy F. Costa
doaj   +1 more source

Características físico-mecânicas do couro de ovinos mestiços Santa Inês e Texel Physical-mechanic leathers characteristics of crossbred Santa Inês and Texel sheep

open access: yesRevista Brasileira de Zootecnia, 2004
Objetivou-se, neste estudo, avaliar as características físico-mecânicas de couros de ovinos mestiços F1 provenientes de cruzamentos de ovelhas deslanadas sem raça definida (SRD) com carneiros das raças lanada Texel (TE) e deslanada Santa Inês (SI). Foram
Arturo Bernardo Selaive Villarroel   +2 more
doaj   +1 more source

Características físico-mecânicas de couros caprinos e ovinos no Cariri Paraibano Goat and sheep leather physical-mechanical characteristics in the Cariri Paraibano

open access: yesRevista Brasileira de Zootecnia, 2008
Objetivou-se com este trabalho avaliar as características físico-mecânicas de couros de um genótipo ovino e de três genótipos caprinos. Utilizaram-se 43 peles curtidas ao cromo, provenientes de 9 ovinos Santa Inês, 12 caprinos ½ Anglo Nubiano, 16 ½ Boer,
Robson José Freitas Oliveira   +5 more
doaj   +1 more source

Chromosome study of peled (Coregonus peled, Salmoniformes)

open access: yesFolia Biologica, 2004
Chromosomes of Coregonus peled were examined by Giemsa, CMA3, Ag-NOR and C-banding. The karyotype of peled had a diploid number 2n=76, arm number NF=96 and consisted of twenty meta-submeta chromosomes and 56 subtelo-acrocentric chromosomes. C-positive blocks of heterochromatin were observed on the telomeric regions of meta- and submetacentric ...
Lech, Kirtiklis, Małgorzata, Jankun
openaire   +2 more sources

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti   +11 more
wiley   +1 more source

A new experimental model of peanut allergy in BALB/c and C57BL/6 mice

open access: yesFrontiers in Allergy
IntroductionFood allergy protocols are highly variable. While it allows the exploration of multiple scientific questions, it limits the possibility to make general assumptions and point out specific features of allergy to different food allergens ...
Marcos Felipe Andrade-Oliveira   +17 more
doaj   +1 more source

Caracterização de colágenos tipos I e III no estroma do carcinoma de células escamosas cutâneo em cães

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2016
O carcinoma de células escamosas (CCE) é uma neoplasia epitelial maligna que acomete cães e diversas outras espécies, incluindo a humana. O CCE afeta vários sítios anatômicos e pode desenvolver metástase.
S.A.O. Bedoya   +6 more
doaj   +1 more source

Mixed‐Polymer Hole Transport Layers Reinforce Au‐Anode Top Emitting Perovskite Light Emitting Diodes

open access: yesAdvanced Science, EarlyView.
Au‐anode corrosion is shown to occur rapidly under voltage bias in MAPbI3 perovskite LEDs. Resulting Au+ migration quickly leads to device shorting and unstable emission during constant current driving. We demonstrate that using a simple mixed‐polymer hole transport layer containing polyTPD and PVK can reduce Au‐corrosion and stabilize LED operation ...
James C. Loy   +5 more
wiley   +1 more source

Características anátomo-estruturais da pele de ovinos (Ovis áries L.) lanados e deslanados, relacionadas com o aspecto físico-mecânico do couro Anatomical-structural characteristics of wool-on and non-wool sheep skins related to the physical-mechanic leather aspects

open access: yesRevista Brasileira de Zootecnia, 2004
O objetivo do estudo foi estabelecer as diferenças anátomo-estruturais da pele de ovinos deslanados da raça Morada Nova e ovinos lanados da raça Polwarth ou Ideal, relacionadas com as características físico-mecânicas dos couros.
Manuel Antonio Chagas Jacinto   +2 more
doaj   +1 more source

Metal Battery Anode: Rich in Electrons, Rich in Problems: A Critical Review from Industrial Perspectives

open access: yesAdvanced Science, EarlyView.
Metal‐anode batteries using Li, Na, Mg, and Ca offer exceptionally high energy density, but dendrites, unstable interphases, cracking, and pore formation hinder durability and safety. This review shows how careful electrolyte and interphase design can stabilize these reactive metals.
Jian Pan   +3 more
wiley   +1 more source

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