Results 151 to 160 of about 348,565 (319)

Harmonic trees

open access: yesApplied Mathematics Letters, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May   +9 more
wiley   +1 more source

PASTA‐ELN: Simplifying Research Data Management for Experimental Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Research data management faces ongoing hurdles as many ELNs remain complex and restrictive. PASTA‐ELN offers an open‐source, cross‐platform solution that prioritizes simplicity, offline access, and user control. Its in tuitive folder structure, modular Python add‐ons, and open formats enable seamless documentation, FAIR data practices, and easy ...
S. Brinckmann, G. Winkens, R. Schwaiger
wiley   +1 more source

Intense-field theory of high harmonic generation from freely rotating molecules

open access: yes, 2007
Abdurrouf A. Intense-field theory of high harmonic generation from freely rotating molecules. Bielefeld (Germany): Bielefeld University; 2007.An intense-field theory of high harmonic generation from freely rotating molecules is developed.
Abdurrouf, A.
core  

Recent Developments in Miniaturized Planar Harmonic Radar Antennas

open access: yes, 2008
Harmonic radar tag reduced 50% in size and 85% in cost over patented design while maintaining ...
Kempel, Leo   +6 more
core   +1 more source

Decentralised Power Active Filters

open access: yesAdvances in Electrical and Electronic Engineering, 2004
This paper deals with a decentralised power active filter control based on the separated computation of reference current for each active filter operating under determinated harmonic frequency.
Marek Roch   +2 more
doaj  

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

Development and spatio-spectral mapping of a capillary high harmonic source [PDF]

open access: yes, 2008
This work describes the development and operation of a capillary based High Harmonic Generation (HHG) system. Using this system a coherent beam of soft x-rays is generated, studied and applied.
Praeger, Matthew
core  

Study on type of magnetic suspension rotor groove and wear of drop touchdown bearing

open access: yesEngineering Applications of Computational Fluid Mechanics
The active magnetic bearing (AMB) is widely used in the field of flywheel energy storage system (FESS) in wind power generation. This study mainly studies the magnetic suspension rotor groove (MSRG) of FESS and the wear of drop touchdown bearing (DTB ...
Hu Lai   +3 more
doaj   +1 more source

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