نتایج جستجو برای: ultrasonics
تعداد نتایج: 9620 فیلتر نتایج به سال:
Journal:
:The Journal of Chemical Physics
1950
Journal:
:The Journal of the Acoustical Society of America
1995
Journal:
:ISIJ International
2005
Journal:
:Materials
2018
Journal:
:Open Journal of Acoustics
2013
Journal:
:Experimental Mechanics
2003
Journal:
:IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
2022
Journal:
:Doboku Gakkai Ronbunshu
2000
Journal:
:Journal of Medical Ultrasonics
2020
Journal:
:Metals
2021
After different rolling conditions, four 7055 aluminum alloy samples with precipitation sizes were measured by scanning electron microscope, transmission microscope and laser ultrasonic. The attenuation coefficients of ultrasound ultrasonic calculated in the time domain, frequency domain wavelet denoising, respectively. relationship between precipitate size coefficient was established. results ...
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