Results 11 to 20 of about 12,048 (256)

Microstructure-Based Lifetime Assessment of Austenitic Steel AISI 347 in View of Fatigue, Environmental Conditions and NDT

open access: yesApplied Sciences, 2021
The assessment of metallic materials used in power plants’ piping represents a big challenge due to the thermal transients and the environmental conditions to which they are exposed.
Ruth Acosta   +9 more
doaj   +1 more source

Investigating the Effects of Qualitative Properties on Pears Dielectric Coefficient [PDF]

open access: yesJournal of Agricultural Machinery, 2021
Nowadays, the dielectric properties of food and biological products have become a valuable parameter in foodstuff engineering and coating technology, covering a remarkable spectral domain from 10-6 to 1012.
M. J Mahmoodi, M Azadbakht
doaj   +1 more source

The influence of the aspheric profiles for transition zone on optical performance of human eye after conventional ablation [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2014
The analysis in the impact of transition zone on the optical performance of human eye after laser refractive surgery is important for improving visual correction technology.
Fang L.
doaj   +1 more source

Measurement of Temperature-Dependent Bulk Viscosities of Nitrogen, Oxygen and Air From Spontaneous Rayleigh-Brillouin Scattering

open access: yesIEEE Access, 2019
In this paper, the spontaneous Rayleigh-Brillouin scattering spectra of air are simulated to study the effect of uncertainties of pressure, temperature, scattering angle and the characteristic parameter uncertainty of the Fabry-Perot interferometer on ...
Jingcheng Shang   +7 more
doaj   +1 more source

Non-Destructive Test of Concrete Structures Using: FERROSCAN [PDF]

open access: yesEngineering and Technology Journal, 2011
The non-destructive testing (NDT) industry is reviewed, the major techniques being described and current development directions and challenges identified. One of the most common techniques (ferroscan) is explained briefly below.
Aseel A.Salman
doaj   +1 more source

SteBLife, a New Approach for the Accelerated Generation of Metallic Materials’ Fatigue Data

open access: yesMetals, 2020
The service life of materials and components exposed to repeated mechanical loads is limited, which is why the understanding of the damage evolution and estimating its fatigue life is of high importance for its technical application. This paper shows how
Ruth Acosta   +6 more
doaj   +1 more source

High Temperature (Up to 950 °C) Sensor Based on Micro Taper In-Line Fiber Mach–Zehnder Interferometer

open access: yesApplied Sciences, 2019
A high temperature (up to 950 °C) sensor was proposed and demonstrated based on a micro taper in-line fiber Mach–Zehnder interferometer (MZI) structure.
Yun-Cheng Liao   +7 more
doaj   +1 more source

A Short-Time Approach for Fatigue Life Evaluation of AISI 347 Steel for Nuclear Power Energy Applications

open access: yesApplied Sciences, 2021
AISI 347 austenitic steel is, as an example, used in nuclear energy piping systems. Piping filled with superheated steam or cooled water is particularly exposed to high stresses, whereupon local material properties in the pipes can change significantly ...
Tobias Bill   +10 more
doaj   +1 more source

Fused Entropy Algorithm in Optical Computed Tomography

open access: yesEntropy, 2014
In most applications of optical computed tomography (OpCT), limited-view problems are often encountered, which can be solved to a certain extent with typical OpCT reconstructive algorithms.
Xiong Wan   +3 more
doaj   +1 more source

Non-Targeted Detection of Adulterants in Almond Powder Using Spectroscopic Techniques Combined with Chemometrics

open access: yesFoods, 2020
Methods that combine targeted techniques and chemometrics for analyzing food authenticity can only facilitate the detection of predefined or known adulterants, while unknown adulterants cannot be detected using such methods.
Mohammad Akbar Faqeerzada   +5 more
doaj   +1 more source

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