Results 31 to 40 of about 51,905 (262)

Identification of Material Properties and Optimal Design of Magnetically Shielded Rooms

open access: yesMagnetochemistry, 2021
In this paper, we propose an optimal design procedure for magnetically shielded rooms. Focusing on multi-layer ferromagnetic structures, where inner layers operate at very low magnetic field, we propose an identification method of the magnetic material ...
Aldo Canova   +4 more
doaj   +1 more source

Hybrid Solar Cell/Triboelectric Nanogenerator Based on Stable Two‐Dimensional Covalent Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
This study highlights the integration of stable two‐dimensional covalent organic framework (COF) films as photoactive layers in hybrid nanoenergy devices. The results demonstrate their capacity to generate electricity under both sunny and rainy conditions, showcasing versatility and resilience.
Joab D. Guerrero   +13 more
wiley   +1 more source

Creep-fatigue interactions in equiaxed and single crystal Ni-base superalloys

open access: yesMATEC Web of Conferences, 2014
Ni-base superalloys are employed as structural materials for the most critical hot gas path components of gas turbines. The current market requirement is to cycle the machine every day, providing energy when it is most needed.
Vacchieri E.   +4 more
doaj   +1 more source

Fisioko energia nuklearra. Etorkizuneko energia-iturria?

open access: yesEKAIA Euskal Herriko Unibertsitateko Zientzia eta Teknologia Aldizkaria, 2006
Energia arazo oso larria da gure gizartean, eta dirudienez, are larriagoa izango da etorkizun hurbil batean. Ez da munduan denon gustuko energia-iturririk, zeren egungo iturri guztiak hankamotz geldi tzen baitira alde batetik edo bestetik. Energia-iturri desberdinen abantailak eta desabantailak laburki aztertu ondoren, lan honetan energia nuklearrari ...
openaire   +2 more sources

Aging and Electrical Stability of DNTT Honey‐Gated OFETs

open access: yesAdvanced Electronic Materials, EarlyView.
DNTT honey‐gated organic transistors were fabricated and evaluated to assess short‐ and long‐term stability under electrical stress and aging. Short‐term transfer measurements (five days, 40 sweeps/day) showed minimal parameter shift, while extended measurements revealed gradual degradation over weeks.
Douglas H. Vieira   +8 more
wiley   +1 more source

CARACTERIZAÇÃO DO FOSFORITO URANÍFERO NO FURO 1-IG-03-PE, SUB-BACIA OLINDA, EM IGARASSU (PE)

open access: yesGeochimica Brasiliensis, 2017
A Sub-bacia Olinda localiza-se na faixa costeira pernambucana a norte de Recife, e corresponde ao segmento sul da Bacia da Paraíba. Por toda região entre Olinda e Goiana é reconhecida uma camada de fosforito-uranífero considerada como uma seção ...
Virgínio Henrique de Miranda Lopes Neumann   +6 more
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Caracterização físico-química da carga dissolvida dos rios Jundiaí e Capivari, São Paulo [PDF]

open access: yesGeochimica Brasiliensis, 2014
Para a caracterização físico-química da carga dissolvida dos rios Jundiaí e Capivari, foram quantificadas, durante o período de abril de 2011 a dezembro de 2012, as concentrações dos principais parâmetros físico-quimicos, pH, condutividade elétrica ...
Helder de Oliveira   +4 more
doaj  

Homogeneous Continuous-Time, Finite-State Hidden Semi-Markov Modeling for Enhancing Empirical Classification System Diagnostics of Industrial Components

open access: yesMachines, 2018
This work presents a method to improve the diagnostic performance of empirical classification system (ECS), which is used to estimate the degradation state of components based on measured signals.
Francesco Cannarile   +4 more
doaj   +1 more source

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy