Results 81 to 90 of about 4,623,161 (291)

Other title: Air National Guard in Kansas

open access: yes, 1978
application/pdfA set of 8 documents provided by the 190th Air Refueling Wing and the 184th Intelligence Wing, Kansas Air National Guard, with resources and information about the Air National Guard in Kansas.Twenty Years With the Same Lady (June 1978 ...
Kansas. Air National Guard.
core   +1 more source

Relating the ultrasonic and aerosol filtration properties of filters

open access: yesScientific Reports
Non-contact methods are useful to improve the quality control of particle filtration media. The purpose of this paper is to investigate the correlation between the filtration efficiency of a porous sheet and its ultrasonic properties obtained using a non-
Tomás E. G. Alvarez-Arenas   +4 more
doaj   +1 more source

Guest Editorial: Special Section on Air-Coupled Ultrasound

open access: yesIEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control
Air-coupled Ultrasound is a challenging field dominated by the drastic impedance mismatch between air and all condensed matter, the low ultrasound velocity in the air, and the rapidly increasing attenuation with frequency.
Mate Gaal, Tomas Gomez Alvarez-Arenas
doaj   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

EMAD: an empirical model of air-sea fluxes

open access: yesMeteorologische Zeitschrift, 2005
An empirical model of daily fluxes at the sea surface is proposed. The model, referred to as EMAD (Empirical Model of Atmospheric Dynamics), concentrates on the linear dynamics of the time-varying part of the air-sea fluxes.
Jin-Song von Storch   +2 more
doaj   +1 more source

N8197 v. 1 no. 6.

open access: yes, 2020
Mediterranean Allied Tactical Air Force, an operational component of Mediterranean Allied Air Forces, was an integrated command composed mainly of United States Army Air Force (Twelfth Air Force) and Royal Air Force (Desert Air Force) units.
Mediterranean Allied Tactical Air Force
core  

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

open access: yesAdvanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares   +3 more
wiley   +1 more source

N8197 v. 1 no. 4.

open access: yes, 2020
Mediterranean Allied Tactical Air Force, an operational component of Mediterranean Allied Air Forces, was an integrated command composed mainly of United States Army Air Force (Twelfth Air Force) and Royal Air Force (Desert Air Force) units.
Mediterranean Allied Tactical Air Force
core  

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

open access: yesAdvanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar   +7 more
wiley   +1 more source

N8197 v. 1 no. 5.

open access: yes, 2020
Mediterranean Allied Tactical Air Force, an operational component of Mediterranean Allied Air Forces, was an integrated command composed mainly of United States Army Air Force (Twelfth Air Force) and Royal Air Force (Desert Air Force) units.
Mediterranean Allied Tactical Air Force
core  

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