Results 131 to 140 of about 20,391 (336)

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Research on ultra-high-speed interruption safety technology for mine low-voltage power system based on DSP

open access: yes矿业科学学报, 2016
The electric arc or spark originating from the low voltage cable fault is the major source of the coal mine gas explosion accident.In order to limit the energy detonating gas which is caused by the fault,the topology of neutral solid state circuit ...
Gao Yan, Guo Lin, Gao Feng, Wang Yanwen
doaj  

STS-48 Space Shuttle mission report [PDF]

open access: yes
The STS-48 Space Shuttle Program Mission Report is a summary of the vehicle subsystem operations during the forty-third flight of the Space Shuttle Program and the thirteenth flight of the Orbiter vehicle Discovery (OV-103).
Fricke, Robert W.
core   +1 more source

Directional Flow of Confined Polaritons in CrSBr

open access: yesAdvanced Materials, EarlyView.
CrSBr, a layered magnetic semiconductor, naturally channels self‐hybridized excitonpolaritons into highly directional flow. Its intrinsic optical anisotropy, high refractive index, and strong lightmatter coupling enable long‐range guided modes along the a‐axis, with propagation lengths set by their excitonphoton admixture.
Pratap Chandra Adak   +10 more
wiley   +1 more source

A magnetically rotated electric arc air heater employing a strong magnetic field and copper electrodes [PDF]

open access: yes
Magnetically rotated electric arc air heater using strong magnetic field and copper ...
Mayo, R. F., Wallio, M. A., Wells, W. L.
core   +1 more source

Self‐Assembled Inorganic Nanomembrane Tubes: Rolled‐Up Piezoelectrics for Microacoustic Wave‐Based Actuators and Sensors

open access: yesAdvanced Materials, EarlyView.
This study demonstrates a self‐assembly process to generate free‐standing piezoelectric nanomembranes, forming ultracompact microtubular acoustic wave sensors and actuators. The miniaturized 3D piezoelectric platform reported in this work can be applied in telecommunication, energy harvesting, and acoustofluidics. Moreover, the 3D self‐assembly can add
Raphaël C. L‐M. Doineau   +9 more
wiley   +1 more source

STANDARDS IN CONTROL AND PROTECTION TEHNOLOGY FOR ELECTRIC POWER SYSTEMS [PDF]

open access: yes
The features of the standard IEC 16850 with respect to intelligent applications in substations are summarized. It is shown how modeling of functions independently from its allocation to devices allows optimizing existing applications and opening up for ...
Daniel COSTIANU   +3 more
core   +3 more sources

An automatic electrical distribution system [PDF]

open access: yes
Computer controlled electric power distribution system for aerospace ...
Geyer, M. A.
core   +1 more source

Order Reduction of the Radiative Heat Transfer Model for the Simulation of Plasma Arcs

open access: yes, 2015
An approach to derive low-complexity models describing thermal radiation for the sake of simulating the behavior of electric arcs in switchgear systems is presented.
Fagiano, Lorenzo, Gati, Rudolf
core   +1 more source

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