نتایج جستجو برای: natural fractures
تعداد نتایج: 539851 فیلتر نتایج به سال:
An integrated hydraulic fracturing followed by waterflooding was conducted in a heterogeneous sandstone formation the Northern Shanxi Slop of Ordos Basin Western China. Water breakthrough quickly occurred, and underlying mechanism water has not been well understood. Such needs to be investigated comprehensively from spatial connectivity multilayer sand bodies characterization hydraulic-natural ...
The treatment of tibial plafond fractures requires careful management of the soft tissue envelope, reconstruction of the articular surface and stable fixation with minimal additional damage. Thirty cases of AO type 43 C tibial fractures were treated by transosseous osteosynthesis (Ilizarov technique). The external fixator constructs used were Ilizarov (Transosseous osteosynthesis: theoretical a...
abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...
Abstract Convection-driven cooling in porous media influences thermo-poro-mechanical stresses, thereby causing deformation. These processes are strongly influenced by the presence of fractures, which dominate flow and heat transfer. At same time, fractures deform propagate response to changes stress state. Mathematically, model governing physics is tightly coupled must account for strong discon...
This survey is aimed to retrospectively analyze the frequency rate of facial bone fractures based on sex, age, location, quality, risk factors and complications in order to assist medical practitioners and surgeons in improving educational and therapeutical plans and developing novel tools and methods. For this purpose, 274 patients with facial bone fractures were recruited through a two-year...
purpose: to determine the prevalence of intraocular injuries in patients with blow-out fracture and also to evaluate the etiologic mechanism of orbital blow-out fractures methods: this study is a consecutive case series analysis of 116 patients with orbital blow-out fractures. the patients were visited by an ophthalmologist within 24 hours of trauma. results: ninety-one men and twenty-five wome...
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