Results 121 to 130 of about 1,554,548 (330)

A ética na pesquisa em educação: panorama e desafios pós-Resolução CNS nº 510/2016

open access: yes, 2017
This paper presents an overview of ethics in research in the area of education and the main challenges after the approval of the CNS (National Health Council) 510/2016 Resolution, which deals with the applicable ethical norms to Human and Social Sciences
J. Mainardes
semanticscholar   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Generation of a Broadly Cross-Neutralizing Antibody Fragment against Several Mexican Scorpion Venoms

open access: yesToxins, 2019
The recombinant antibody fragments generated against the toxic components of scorpion venoms are considered a promising alternative for obtaining new antivenoms for therapy.
Lidia Riaño-Umbarila   +7 more
doaj   +1 more source

Изучение процесса окисления на поверхности Pt3Ti (510) методом сканирующей туннельной микроскопии [PDF]

open access: yes, 2005
Представлены результаты исследования элементного состава, структуры и морфологии поверхности кристалла Pt3Ti (510) методами рентгеновской фотоэлектронной спектроскопии, дифракции электронов низкой энергии, рассеяния ионов малых энергий и сканирующей ...
Курзина, И. А.
core  

Biased random walk in positive random conductances on $\mathbb{Z}^{d}$

open access: yes, 2013
We study the biased random walk in positive random conductances on $\mathbb {Z}^d$. This walk is transient in the direction of the bias. Our main result is that the random walk is ballistic if, and only if, the conductances have finite mean. Moreover, in
Fribergh, Alexander
core   +1 more source

Microscale Tin–Bismuth Alloy Prepared via Cooling Rate Control as Anode Material for High‐Performance Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
To investigate the mechanisms about the enhanced buffering effect and morphological retention in fully lithiated Sn–Bi alloys, this study introduces a new bulk bimetallic Sn–Bi alloy with fine grains of uniformly distributed Sn and Bi alloys (≈50 nm) via cooling rate control. This design effectively relieves internal energy buildup and suppresses crack
Hyeon Seo Park   +6 more
wiley   +1 more source

Ce3+‐Activated Lithium Rare‐Earth Oxonitridolithosilicates: A New Class of LED Phosphors with Similarities to Garnets

open access: yesAdvanced Functional Materials, EarlyView.
Garnet‐like luminescence upon Ce3+‐activation is found in the first six representatives Li9RESi4N4O8 (RE = Y, La, Gd, Dy, Yb, Lu) of the substance class of lithium rare‐earth oxonitridolithosilicates, which also show a novel structure type. High‐temperature solid‐state synthesis yielded crystalline samples for single‐crystal X‐ray diffraction‐based ...
Kilian M. Rießbeck   +5 more
wiley   +1 more source

RoHS‐Compliant, Cu‐Zn‐In‐Se‐Based Core/Multi‐shell Quantum Dots with Efficient and Tunable Short‐Wave Infrared Emission

open access: yesAdvanced Functional Materials, EarlyView.
An innovative combination of size‐controlled template synthesis, partial cation exchange reactions, and dual shell passivation offers a new class of RoHS‐compliant, heavy metal‐free Cu‐Zn‐In‐Se/ZnS/Al2O3 core/shell/shell quantum dots (QDs), exhibiting long‐range tunability, highly efficient SWIR emission with remarkably narrow photoluminescence ...
Avijit Saha   +8 more
wiley   +1 more source

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