نتایج جستجو برای: nondestructive method
تعداد نتایج: 1633342 فیلتر نتایج به سال:
Moldy apple core is an internal fruit disease that poses a threat to consumer health. In this study, synthetic minority over-sampling technology (SMOTE) based model of moldy was proposed solve the problem poor performance due imbalanced sample distribution in spectral nondestructive detection core. Two different methods, random under-sampling (RUS) and SMOTE, were used balance original samples....
Nondestructive sampling methods, such as removal of feathers for contaminant analysis, are desirable in ecological monitoring programs that seek to minimize the impacts of harvesting organisms. Although many reptiles are declining worldwide, nondestructive sampling techniques seldom have been employed for assessing contaminant exposure in these organisms. In this study, we examined the utility ...
Inverse problems and inverse analyses, which deal with estimation of inputs or source from outputs or results, have been receiving increasing attention in various fields of science and engineering. A reasonable classification of the inverse problems is described. The nature of inverse problems and difficulties encountered in the inverse analyses are discussed. Typical inversion analysis schemes...
Boundary Integral Equations for Modeling Arbitrary Flaw Geometries in Electric Current Injection Nde
The Electric Current Injection (ECI) method of nondestructive evaluation is applied to materials that are electrically conductive but not magnetically permeable, such as aluminum, magnesium, and titanium. It consists of detecting current-flow anomalies due to voids, nonmetallic inclusions and open cracks in the conducting material, through distortions introduced in the magnetic field generated ...
Microorganisms, such as bacteria, which might be present as contamination inside an industrial food or pharmaceutical clean room process need to be identified on short time scales in order to minimize possible health hazards as well as production downtimes causing financial deficits. Here we describe the first results of single-particle micro-Raman measurements in combination with a classificat...
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