نتایج جستجو برای: رینگهای رزونانسی شکاف دار srr

تعداد نتایج: 65031  

Journal: :Physical review letters 2009
Ivana Sersic Martin Frimmer Ewold Verhagen A Femius Koenderink

We present experimental observations of strong electric and magnetic interactions between split ring resonators (SRRs) in metamaterials. We fabricated near-infrared planar metamaterials with different inter-SRR spacings along different directions. Our transmission measurements show blueshifts and redshifts of the magnetic resonance, depending on SRR orientation relative to the lattice. The shif...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1388

در این مطالعه آزمایشگاهی به بررسی نتایج حاصل از تزریق بخار به کمک نیروی ریزش ثقلی بر روی ازدیاد برداشت نفت سبک از یک مدل آزمایشگاهی نفت دوست شکاف دار در حالت های ثانویه و ثالثیه پرداخته شده است. در راستای انجام آزمایشات از سه نمونه مغزه استوانه ای با قطر 75/6 سانتیمتر و طول 30 سانتیمتر استفاده شده است که پس از اشباعیت با نفت و آب، درون نفت خیس خورده و با اندازه گیری زاویه تماس نفت دوست شدن آنها...

Journal: :international journal of advanced design and manufacturing technology 0
davoud naderi soheil ganjefar mohamad mosadeghzad

in this research optimal reconfiguration strategy of the improved srr reconfigurable mobile robot based on force-angle stability measure has been designed using genetic algorithm. path tracking nonlinear controller which keeps robot’s maximum stability has been designed and simulated in matlab. motion equations of the robot have been derived in parametric form by means of newton- euler, lagrang...

Journal: :Chemical physics 2013
Nicholas K Preketes Jason D Biggs Hao Ren Ioan Andricioaei Shaul Mukamel

We present simulations of one and two-dimensional infrared (2DIR) and stimulated resonance Raman (SRR) spectra of the dark state (pG) and early red-shifted intermediate (pR) of photoactive yellow protein (PYP). Shifts in the amide I and Glu46 COOH stretching bands distinguish between pG and pR in the IR absorption and 2DIR spectra. The one-dimensional SRR spectra are similar to the spontaneous ...

Journal: :Optics express 2008
John F O'Hara Ranjan Singh Igal Brener Evgenya Smirnova Jiaguang Han Antoinette J Taylor Weili Zhang

The limiting effects of varying the thickness of a dielectric overlayer on planar double split-ring resonator (SRR) arrays are studied by terahertz time-domain spectroscopy. Uniform dielectric overlayers from 100 nm to 16 mum thick are deposited onto fixed SRR arrays in order to shift the resonance frequency of the electric response. We discuss the bounds of resonance shifting and emphasize the...

Journal: :CoRR 2009
Sugam Sharma Hari Cohly Tzusheng Pei

Computer System Administration and Network Administration are few such areas where Practical Extraction Reporting Language (Perl) has robust utilization these days apart from Bioinformatics. The key role of a System/Network Administrator is to monitor log files. Log file are updated every day. To scan the summary of large log files and to quickly determine if there is anything wrong with the se...

2005
Siyan Ma Jiquan Chen John R. Butnor Malcolm North Eugénie S. Euskirchen Brian Oakley

Little is known about biophysical controls on soil respiration in California’s Sierra Nevada oldgrowth, mixed-conifer forests. Using portable and automated soil respiration sampling units, we measured soil respiration rate (SRR) in three dominant patch types: closed canopy (CC), ceanothus-dominated patches (CECO), and open canopy (OC). SRR varied significantly among the patch types, ranging fro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده فنی 1391

آنچه در پایان نامه ی پیشرو از نظر خواهد گذشت، ارائه ی ساختاری جدید جهت حصول پلاریزاسیون متعامد پایین در آنتن های شکافدار طول بلند موج نشتی است. طراحی جدید به کمک موجبر تیغه دار صورت گرفته است که طی آن، شکل خاصی از تیغه جهت حصول توزیع شکاف تیلوری با تراز گلبرگ کناریdb 35 بدست آمده است. پیش از این کاربرد تیغه در طراحی آرایه های موجبری شکافدار تشدیدی صورت گرفته است و برای اولین بار در این پایان نا...

2014
Oleh Dzyubachyk Artem Khmelinskii Esben Plenge Peter Kok Thomas J. A. Snoeks Dirk H. J. Poot Clemens W. G. M. Löwik Charl P. Botha Wiro J. Niessen Louise van der Weerd Erik Meijering Boudewijn P. F. Lelieveldt Gayle E. Woloschak

In small animal imaging studies, when the locations of the micro-structures of interest are unknown a priori, there is a simultaneous need for full-body coverage and high resolution. In MRI, additional requirements to image contrast and acquisition time will often make it impossible to acquire such images directly. Recently, a resolution enhancing post-processing technique called super-resoluti...

Journal: :Wear 2021

Gearboxes that employ polymer gears are being used in an ever-increasing number of different applications. However, polymer-gear design suffers from a lack understanding their tribological behaviour under controlled – but at the same time realistic conditions. One factors is often overlooked model tests effect slide-to-roll ratio (SRR), which gear meshing and conventionally experiments with pur...

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