نتایج جستجو برای: manmade source
تعداد نتایج: 419529 فیلتر نتایج به سال:
We consider the problem of representing sets of 3D points in the context of 3D reconstruction from point matches. We present a new representation for sets of 3D points, which is general, compact and expressive : any set of points can be represented; geometric relations that are often present in manmade scenes, such as coplanarity, alignment and orthogonality, are explicitly expressed. In essenc...
Understanding consciousness and implementing it in manmade machines has interested researchers for a long time. Despite the amount of research efforts, the measurable development in this field is very small. Among various technical, philosophical and ethical reasons, the primary reason is the difficulty in understanding consciousness. Most researchers assume that consciousness is a meta-physica...
In this paper, an Ultrasonic testing method for inservice wheel by use of phased array technology is introduced. To meet the ultrasonic test criterion of inservice CRH wheel, groups of phased array probes and conventional probes are combined used. By study echo wave in wheel rim and wheel disk form different probes, defect analyzing methods in wheel rim and wheel disk are studied. Tests on CRH ...
The nature of mankind is a concern for those in need. Disasters, both natural and manmade, have been with us since the beginning of recorded history but media coverage of them is a relatively new phenomenon. When these factors come together, there is great potential to both identify and serve the sick and injured. However, the mass media by its nature tends to enhance the humanistic aspect of r...
Hyperspectral sensing, due to its intrinsic ability to capture the spectral responses of depicted materials, provides unique capabilities towards object detection and identification. In this paper, we tackle the problem of man-made object detection from hyperspectral data through a deep learning classification framework. By the effective exploitation of a Convolutional Neural Network we encode ...
The lateral sealing ability of a normal fault is a major factor in creating hydrocarbon traps. Therefore, a methodology for assessing the sealing ability of faults in the siliciclastic sequences of subsidence basins has been established; moreover, by using this methodology, the uncertainty inherent in hydrocarbon exploration can be decreased. Moreover, the petrophysical properties of fault roc...
Medical diagnostic X-rays are the largest manmade source of ionizing radiation received by the members of the general public. The aim of this study was to evaluate the radiographic reject/repeat rate and also to determine dose to the patients from radiographic rejects/repeats in radiology centers of Urmia University of Medical Sciences. During a 4 month period the most frequently examinations w...
The problems of the dynamics of fine-dispersed particles in near-Earth space (NES) are actively considered for more than 30 years in connection with the problem of manmade pollution of near space by manmade micro-particles (MP). At the same time, the main attention is paid to the determination of the characteristics of man-made MP and the conditions for their injection into NES, capable of long...
Abstract N -Methylated derivatives of α-tocopheramine, which have preliminarily been shown to good performance as stabilizers cellulose solutions in ionic liquids for production cellulosic manmade fibers, not accessible sufficient amounts by green syntheses. In this study, the -methyl-, , -dimethyl-, and -trimethylammonium α-tocopheramine were synthesized fully analytically characterized. The p...
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