Results 61 to 70 of about 37,149 (268)

Design of Intrinsically Safe Power Supply Based on Two-phase Synchronous Boost Technology

open access: yesGong-kuang zidonghua, 2011
In view of problem of bigger output ripper existed in intrinsically safe power supply based on single-phase synchronous boost technology, the paper proposed a design scheme of intrinsically safe power supply based on two-phase synchronous boost ...
ZHANG Xing-hua   +5 more
doaj  

3D‐Printed Piezoionic/Bioelectronic Hydrogel for Electro‐Metabolic Regulation of Osteogenic Differentiation

open access: yesAdvanced Healthcare Materials, EarlyView.
A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta   +3 more
wiley   +1 more source

Design of intrinsically safe field source signal transmission device for electrical method monitoring system with adaptive grounding resistance

open access: yesMeikuang Anquan
Electrical monitoring technology is widely applied in mines with high risk of water inrush because of its high sensitivity to the change of coal resistivity. However, due to the complex working environment of the two lanes of the underground working face,
Bingchun WANG
doaj   +1 more source

Porosity Engineering of MXene Architectures: Toward High‐Performance Aqueous Electrochemical Energy Storage

open access: yesAdvanced Materials, EarlyView.
This review systematically summarizes recent advances in porosity engineering of MXenes, with a focused discussion on their structure‐governed energy storage properties. A critical analysis of structure–property relationships is presented across alkali‐ion batteries, multivalent‐ion batteries, and supercapacitors.
Shude Liu   +8 more
wiley   +1 more source

Integral Battery Power Limiting Circuit for Intrinsically Safe Applications [PDF]

open access: yes
A circuit topology has been designed to guarantee the output of intrinsically safe power for the operation of electrical devices in a hazardous environment.
Blalock, Norman N., Burns, Bradley M.
core   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

open access: yesAdvanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi   +12 more
wiley   +1 more source

A Monolithically Integrated, Intrinsically Safe, 10% Efficient, Solar-Driven Water-Splitting System Based on Active, Stable Earth-Abundant Electrocatalysts in Conjunction with Tandem III-V Light Absorbers Protected by Amorphous TiO_2 Films [PDF]

open access: yes, 2015
A monolithically integrated device consisting of a tandem-junction GaAs/InGaP photoanode coated by an amorphous TiO_2 stabilization layer, in conjunction with Ni-based, earth-abundant active electrocatalysts for the hydrogen-evolution and oxygen ...
Atwater, Harry A., Jr.   +7 more
core  

IDeF-X ASIC for Cd(Zn)Te spectro-imaging systems

open access: yes, 2004
Joint progresses in Cd(Zn)Te detectors, microelectronics and interconnection technologies open the way for a new generation of instruments for physics and astrophysics applications in the energy range from 1 to 1000 keV.
Chipaux, R.   +6 more
core   +1 more source

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

open access: yesAdvanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha   +14 more
wiley   +1 more source

An Ethical Expose on the Oral Arguments in Sebelius v. Hobby Lobby and Conestoga Woods v. Sebelius

open access: yesVoices in Bioethics, 2014
As the oral arguments in Hobby Lobby and Conestoga Wood Specialties v. Sebelius seem to attain a crescendo and stand at the threshold of a significant ruling by the Supreme Court of the United States, it is important to reflect tacitly on some of the ...
Emmanuel Kornyo
doaj   +1 more source

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