نتایج جستجو برای: curved plan form
تعداد نتایج: 802415 فیلتر نتایج به سال:
abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...
We study the low-field and ballistic electronic transport in curved nanoribbons subject to static and uniform magnetic fields, where the curved nanoribbon is placed between two leads that inject scattering states. The method we present is based on a tight-binding form of the time-independent two-dimensional Schrödinger equation in curvilinear coordinates, with electric scalar and magnetic vecto...
Lipids and amphiphilic block copolymers spontaneously self-assemble in water to form a plethora of micelles and vesicles. They are typically fluidic in nature and often mechanically weak for applications such as drug delivery and gene therapeutics. Mechanical properties of polymeric materials could be improved by forming crystalline structures. However, most of the self-assembled micelles and v...
The network of collagen fibers in the aortic valve leaflet is believed to play an important role in the strength and durability of the valve. However, in addition to its stress-bearing role, such a fiber network has the potential to produce functionally important shape changes in the closed valve under pressure load. We measured the average pattern of the collagen network in porcine aortic valv...
Objective Bender-Gestalt is one of the well-known neurocognitive tests designed by Lorta Bender to evaluate perceptual-motor development level in children. Besides its principle application in evaluation of cerebral damage, Bender test has other important applications, such as evaluating children for entering school, anticipating educational progress, diagnosing children with rea...
Starting from the equations of collisionless linear gyrokinetics for magnetised plasmas with an imposed inhomogeneous magnetic field, we present first known analytical, closed-form solution resulting velocity-space integrals in presence resonances due to both parallel streaming and constant drifts. These are written terms well-known plasma dispersion function (Faddeeva & Terentev 1954; Fried Co...
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