نتایج جستجو برای: resonance
تعداد نتایج: 214426 فیلتر نتایج به سال:
Surface plasmon resonance sensors have been widely considered due to their sensitivity, accuracy and response speed. In order to stimulate surface plasmons, a crisman structure is used in which the metal layer (mainly gold or silver) is placed on the surface of the prism. Due to temperature changes, various factors such as optical properties of the metal, the prism and the surrounding environme...
Adsorption of CO2 on the surface of Single-wall zigzag (5,0) and armchair (4,4) carbon nanotubes (SWCNTs) were studied through using density functional theory (DFT) calculations. Optimizations of geometric were performed at the B3PW91 level of 6-311++G** method standard basis set using GAUSSIAN 03 package of program [1]. Structural models were optimized and adsorption energies, band gap, charge...
Oronasal region, as an important organ of taste and smell, being respected for its impact on the resonace, which is crucial for any normal speech production. Different congenital, acquired and/or developmentalpdefect, may not only have impacts on the quality of respiration, phonation, resonance, also on the process of a normal speech. This article will enable readers to have more focus in such ...
A 20-year-old woman was admitted to a Gynecology Hospital in her 6th month of pregnancy for high blood pressure and tonic-clonic seizure. Primary diagnosis was eclampsia, and for that reason she underwent cesarean section. She also had headache on frontal and parietal areas without nausea or vomiting. There was not a focal neurological sign. Rheumatology consultation was requested. Systemic lup...
The purpose of electron linear accelerator project in Institute for Research in Fundamental Sciences (IPM) has been to design and construct a S-band electron linear accelerator in such a way that all its parts be designed and built in Iran as much as possible. For more detailed evaluations and assurance, a cooper accelerating tube with the exact same specification of the main accelerating tube ...
بعنوان یک منبع و مرجع محاسباتی در الکترومغناطیس عددی مدلی کلی بصورت سه بعدی (3d) برای مطالعات رزونانس شومان (schumann resonance) ، سنجش از راه دور برای میادین و مخازن نفتی ، سنجش از راه دور برای بررسی اغتششات یونسفر و فرضیه زلزله الکترومغناطیسی پیشرو و ... توسعه و بکار برده میشود. همه مدلهای تفاضل محدود حوزه زمان بکار برده شده تا به امروز از یک منحنی رسانایی الکتریکی برای نمایش یونسفر بهره میگی...
The purpose of this article is modal analysis of ionic polymer metal composite beams, then briefing the system to the unique parameters to help in up modeling of the actuator. In this paper at first using of Mathematical analysis and Closed form transfer function of cantilever beam dynamic response to the forces of different inputs (intensive and continuous) is calculated and for different type...
In this paper, we studied the electronic conductance of a polypyrrole polymer, which is embedded between two semi-infinite simple chains by using Green’s function technique in tight-binding approach. We first reduced the center polymer to a one dimensional chain with renormalized onsite and hopping energies by renormalization method. Then, we calculated the system conductivity as a function of ...
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