Results 21 to 30 of about 3,035 (180)

Improved Reconstruction Technique for Moiré Imaging Using an X-Ray Phase-Contrast Talbot–Lau Interferometer

open access: yesJournal of Imaging, 2018
X-ray phase-contrast imaging is a promising method for medical imaging and non-destructive testing. Information about the attenuation, small-angle scattering and phase-shifting properties of an object can be gained simultaneously in three image ...
Maria Seifert   +8 more
doaj   +1 more source

The Classical Book of the Abbasid Period as a Reference for Advanced Military Technology: A Thought Genealogy Study

open access: yesMillati: Journal of Islamic Studies and Humanities, 2022
The most effective metal manufacturing process is double pressing, which is capable of bending metal. The bending of the metal will cause a reaction that can improve its mechanical properties. In the book Al-Jamahir fi ma`rifat al-Jawahir there are three
Agus Pramono
doaj   +1 more source

Spectral energy distributions and colours of hot subluminous stars

open access: yesOpen Astronomy, 2018
Photometric surveys at optical, ultraviolet, and infrared wavelengths provide ever-growing datasets as major surveys proceed. Colour-colour diagrams are useful tools to identify classes of star and provide large samples.
Heber Ulrich   +2 more
doaj   +1 more source

Effect of Equal Channel Angular Pressing on Microstructure and Mechanical Properties of a Cu-Mg Alloy

open access: yesCrystals, 2020
A Cu-0.43Mg (wt.%) alloy was processed by equal channel angular pressing (ECAP) up to eight passes via a processing route (Bc). The hardness distribution on the longitudinal and transverse sections was collected and the microstructure in the central and ...
Muzhi Ma   +6 more
doaj   +1 more source

Effect of Cd and SPD on structure, physical, mechanical, and operational properties of alloy of Cu-Cr-Zr

open access: yesReviews on Advanced Materials Science, 2020
An increase in the service life of electrical products from copper and its alloys is directly related to an increase in the wear resistance of materials.
Aksenov Denis A.   +4 more
doaj   +1 more source

Effect of Machining Process Parameters and Number of Pass on Compaction Behaviour of Commercially Pure Aluminium Chips Consolidated by Equal Channel Angular Pressing (ECAP) Using Response Surface Methodology [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
This work investigates the compaction behaviour of commercial pure aluminium chips (CP Al) produced during a machining operation and subsequently consolidated by Equal Channel Angular Pressing (ECAP).
R. Palanivel   +5 more
doaj   +1 more source

The sensitivity of different methods for detecting abnormalities in auditory nerve function

open access: yesBioMedical Engineering OnLine, 2020
Background Cochlear implants (CIs) have become important for the treatment of severe-to-profound sensorineural hearing loss (SNHL). Meanwhile, electrically evoked compound action potentials (ECAPs) and electrically evoked auditory brainstem responses ...
Tianhao Lu   +5 more
doaj   +1 more source

Modeling accretion columns in accretion-powered pulsars

open access: yesAstronomy & Astrophysics
Context. Accretion-powered X-ray pulsars show complex spectral and timing behavior that reflects the extreme conditions near the neutron star. Modeling these observables remains challenging, particularly at high mass-accretion rates, Ṁ ≳ 1017 g s−1 ...
Falkner S.   +19 more
doaj   +3 more sources

Effect of Equal Channel Angular Pressing on the Microstructure and Shear Strength of an As-Cast Mg-2Si Alloy [PDF]

open access: yesJournal of Advanced Materials in Engineering
Although Mg-Si alloys have promising potential applications in various industries, their mechanical properties are challenged by the presence of coarse primary and eutectic Mg2Si particles and their heterogeneous distribution in the microstructure.
S. Sirjani   +3 more
doaj   +1 more source

An iterative deconvolution model to extract the temporal firing properties of the auditory nerve fibers in human eCAPs

open access: yesMethodsX, 2021
The electrically evoked compound action potential (eCAP) has been widely studied for its clinical value for the evaluation of the surviving auditory nerve (AN) cells.
Yu Dong   +3 more
doaj   +1 more source

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