نتایج جستجو برای: plates distance 12
تعداد نتایج: 837074 فیلتر نتایج به سال:
All the chemicals used in the present study were of analytical grade and were obtained from standard companies. ELISA plates, tissue culture plates (96 /8 well), culture dishes, Serological plates, Roux culture bottles, 0.2μm sterile syringe filters (non-pyrogenic). DMBA (7,12-Dimethylbenzylanhracene), TPA (12-O-tetradecanoylphorbol13-acetate), RPMI 1640 (Rose Well Park Memorial Institute Lab n...
X-ray microscopy based on Fresnel zone plates is a powerful technique for sub-100 nm resolution imaging of biological and inorganic materials. Here, we report on the modeling, fabrication and characterization of zone-doubled Fresnel zone plates for the multi-keV regime (4-12 keV). We demonstrate unprecedented spatial resolution by resolving 15 nm lines and spaces in scanning transmission X-ray ...
OBJECTIVE To describe a visual acuity test for use in identifying psychogenic visual impairment and malingering. METHODS The test contained 32 white plates with a black Landolt C printed in the center. The sequence of the 4 alternative directions of the C was not predictable. After plate 21, 4 circles were interspersed among the remaining plates. The test is administered at a distance from wh...
The article presents the results of studying impact response ceramic-metal composites ZrO 2 /Ti and /Al with non-rigid fixing layers. It is shown that, as energy dissipates from layer to layer, there takes place an increase in dispersion structure metal foils ceramic plates. have a higher strength, while strength layered differs monolithic ceramics only scarcely. was regardless distance between...
OBJECTIVE To report the outcomes of a posterior hybrid decompression protocol for the treatment of cervical spondylotic myelopathy (CSM) associated with hypertrophic ligamentum flavum (HLF). BACKGROUND Laminoplasty is widely used in patients with CSM; however, for CSM patients with HLF, traditional laminoplasty does not include resection of a pathological ligamentum flavum. METHODS This stu...
In this paper we study stationary incompressible Newtonian fluid flow in a thin porous media. The media under consideration is bounded perforated 3D domain confined between two parallel plates. description of the includes small parameters: ε representing distance plates and $a_\varepsilon$ connected to microstructure such that ≪ $a_\varepsilon \ll \varepsilon$ . We consider classical setting me...
پسماند چوبی درشت ) coarse woody debris ( یکی از اجزای مهم اکوسیستم جنگل است که نقش مهمی در فرآیندهای این اکوسیستم ایفا میکند. طی دهه اخیر توجه فراوانی به این جزء مهم بومسازگان توسط بوم- شناسان و جنگلشناسان شده است و روشهایی برای نمونهبرداری این جزء مهم اکوسیستم معرفی شده که همگی قطعات cwd را با احتمال نابرابر به عنوان نمونه انتخاب می نمایند. pds ( perpendicular distance sampling ،) dls ( dis...
In this paper, graphite calorimeter device which is using to calibrate the electron beam of therapy accelerators in the range of the low dose was simulated using the EGS4 calculation code. Then, the electron beam dose distributions were calculated in it and the effects of parameters such as thickness of the calorimeter core, the distance to the source, thickness of air gap around the core, thic...
In this letter, the interactions between a cup-core eddy current sensor and a metallic layered structure is studied. An affine relationship between the sensor normalized impedance and the distance between two plates of a metallic assembly is brought to light both by the experiment and by finite elements computations.
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