نتایج جستجو برای: fractures and energy scattering in fractures table 1 shows q0
تعداد نتایج: 22125752 فیلتر نتایج به سال:
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
conclusion for the identification of nasal bone fractures, ct was significantly superior to conventional radiography. although a staff radiologist showed better values in the identification of nasal bone fracture and differentiation between depressed and non-depressed fractures than a trainee, there was no statistically significant difference in the interpretation of conventional radiography an...
Introduction: This study was designed to determine the epidemiological profile of hip fractures among Greek population with special importance to the cause of fracture, their characteristics, the treatment instituted and to assess the incidence. Methods: The current study conducted in a single hospital in the northern part of Greece, in the regional unit of Grevena, during the 2016 calendar ye...
A boundary element method (BEM) combined with a linear slip boundary condition is proposed to calculate SH wave scattering from fractures. The linear slip boundary condition was proposed by Schoenberg (1980) to model elastic wave propagation through an imperfectly bonded interface, where the traction cross the interface is continuous and displacement is discontinuous. Here, we demonstrate how t...
osteoporosis is the most common metabolic bone disease. in addition to morbidity, osteoporotic fractures also increase mortality risk in affected patients. enough evidence is not available to indicate that, like western countries, osteoporosis is a public health problem in iran. therefore emrc planned to estimate the burden of osteoporotic fractures in year 2001 based on existing sources of dat...
one of the applications of nanotechnology is use of carbon nanotubes for the targeted delivery of drug molecules. to demonstrate the physical and chemical properties of biomolecules and identify new material of drug properties, the interaction of carbon nanotubes (cnts) with biomolecules is a subject of many investigations. cnts is a synthetic compound with extraordinary mechanical, thermal, el...
background: fracture, is discontinuity of anatomical bone relations. commonly, a maxillofacial fracture occurs after trauma but the etiology and pattern of this entity is different amongst countries. the aim of this study was to clarify the main causes of this entity in yazd to increase public and professional awareness to prevent more injuries and subsequent consequences. materials and methods...
Hydraulic fracturing in the fractured reservoirs plays a significant impact on the production rate. In this study, the hydrostatic condition is taken into account, the hydraulic fracturing operation was applied in every direction usinga written distinct element code. In each direction the hydraulic fracture is applied with different lengths and in each level the amount of production is predicte...
this research has been taken among the students of high school in karaj city during the years 1391 and 1392. this is a survey research and data gathering is through questionnaires. studying the “an analysis of students’ tendency toward non-native reference groups in karaj”. the questionnaire was distributed among 260 of these students who were chosen through multi step cluster sampling. conside...
UNLABELLED Fractures of the scapula body are relatively rare constituting 1% of all fractures and 5% of all fractures around shoulder (1). They are usually caused due to high energy vehicular trauma or fall of heavy object over scapula (1,2,3). In most cases of scapula fractures, early functional treatment gives good or excellent results (1,2). Operative treatment may however be indicated in hi...
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