نتایج جستجو برای: geometrics
تعداد نتایج: 108 فیلتر نتایج به سال:
Background and purpose: Radiation therapy as a part of cancer treatment is used in almost 50-60% of involved cases. In prostate cancer radiation therapy, a large volume of pelvis is irradiated, so, it is necessary to preserve sensitive organs around the treatment area, especially rectum and bladder. In this study, some dosimetric parameters such as minimum dose (Dmin), maximum dose (Dmax), mean...
Piezoelectric surgery, known as Piezosurgery, is a relatively new technique which was initiated in oral surgery in the year 2000 with the classic publication of Dr. Tomaso Vercellotti’s article, and in orthognathic surgery only in 2004 and 2005. This technique is safe and useful for facial osteotomies and or osteoplasties with excellent results. Piezosurgery functioning principle is an ultrason...
ndoor air pollution in developing world from bio-mass smoke is considered to be a significant source of public health hazard, particularly to the poor and vulnerable women and children. About 50 % of the world's population is estimated to use solid bio-fuels like animal dung, crop residues, wood and coal for cooking daily meals and heating homes. Exposure from bio-mass smoke is estimated to cau...
It is well know that when these concepts arose in PhD disertation of Sugeno in 1974 [1], a lot of works has been done as much in the theoretical branch as in the applied. As we know, the classical measure and the corresponding integral are based on the additivity property, but this property is uncommun in the applied context and could be too restrictive for the appliance. For instance, measurem...
The Trans Bay Cable (TBC) is a ±200-kilovolt (kV), 400 MW 85-km long High Voltage Direct Current (DC) buried transmission line linking Pittsburg, CA with San Francisco, CA (SF) beneath the San Francisco Estuary. The TBC runs parallel to the migratory route of various marine species, including green sturgeon, Chinook salmon, and steelhead trout. In July and August 2014, an extensive series of ma...
Pattern recognition based on correlation is one of the most useful techniques for many applications. Since the pioneer work of VanderLugt (1964), correlation filters have gained popularity thanks to their shift-invariance property, good mathematical basis, and easy implementation by means of digital, optical or hybrid optical/digital systems. However, conventional correlation filters are sensit...
of the spatial variability in soil moisture within the root zone. An instrument for making rapid measurements of the soil moisture Studies have shown that soil moisture content can content in the root zone is an essential tool for many applications, be inferred from measurements of the soil electrical including understanding of soil water dynamics, evaluation of agriculresistance (e.g., Seyfrie...
An experiment was carried out to determine the effect of corn silage particle size and fat supplements on performance, solid passage rate through the digestive tract, and chewing behavior in dairy cows. The forages were coarse or fine corn silage with geometric means of 8.8±2.7 and 5.6±2.8 mm, and alfalfa with geometrics means of 7.0±3.3 mm, and fat supplements were neutral fat (palm) and soy-o...
Introduction Applications of the diffusion tensor imaging (DTI) are increasingly used in experimental and clinical studies to characterize the microstructural properties of tissue and cerebral connectivity and are found to be particularly useful in visualizing WM tracts in vivo (1, 2). Fractional anisotropy (FA) is one of the most widely used DTI indices. The contrast of the FA is based on diff...
Transportation Research Record: Journal of the Transportation Research Board, No. 2280, Transportation Research Board of the National Academies, Washington, D.C., 2012, pp. 51–59. DOI: 10.3141/2280-06 Department of Civil, Environmental, and Construction Engineering, University of Central Florida, 4000 Central Florida Boulevard, Orlando, FL 32816-2450. Corresponding author: M. M. Ahmed, mahmed@k...
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