نتایج جستجو برای: composite frame of rcs
تعداد نتایج: 21180813 فیلتر نتایج به سال:
In this paper we present a novel computational approach to predict the overall hyperelastic mechanical properties of ultralight cuboct cellular lattices made of brittle carbon fiber-reinforced polymer composites, such as the ones recently fabricated at the MIT Media Lab-Center for Bits and Atoms. These architected cellular composites, by combining both the specific features of composite materia...
Evaluating the Radar Cross Section of Maritime Radar Reflectors Using Computational Electromagnetics
− This paper presents results from calculating the radar cross section (RCS) of two maritime radar reflectors using the method of moments. The Echomaster 152, although smaller in size, produces a higher maximum RCS than the Echomax 230 that includes three layers of corner reflectors. The Echomaster 152 also has deeper nulls in the RCS pattern, which means it is less detectable at those angles.
PURPOSE The aim of this study was to identify whether abnormalities in the synthesis of basic fibroblast growth factor (bFGF) or its receptor (bFGF-R) were responsible for the photoreceptor dystrophy in Royal College of Surgeons (RCS) rats. METHODS The polymerase chain reaction was used to detect the expression of bFGF and bFGF-R messenger RNA in the retinal pigment epithelial (RPE) cells and...
Purpose Prospective treatments for age-related macular degeneration and inherited retinal degenerations are commonly evaluated in the Royal College of Surgeons (RCS) rat before translation into clinical application. Historically, retinal thickness obtained through postmortem anatomic assessments has been a key outcome measure; however, utility of this measurement is limited because it precludes...
We use both frequency- and time-domain low-temperature (5-20 K) spectroscopies to further elucidate the shape and spectral position of singlet minus triplet (triplet-bottleneck) spectra in the reaction centers (RCs) of Photosystem II (PSII) isolated from wild-type Chlamydomonas reinhardtii and spinach. It is shown that the shape of the nonresonant transient hole-burned spectrum in destabilized ...
An efficient strategy for reducing the signature of an antenna is to substitute the conventional solid ground plane with a patterned ground plane thus letting the incoming energy to pass through the structure except over the operating band of the antenna. However, in a real environment, the energy flowing through the FSS (Frequency Selective Surface) can be intercepted by eventual scatterers lo...
The National Institute of Standards and Technology (NIST) has been developing the \Real-Time Control Systems (RCS)" software for more than two decades and using it for the design and implementation of complex intelligent control systems. Present applications of RCS include mining, manufacturing, robotics, and autonomous vehicles. In this paper we summarize the e orts at Ohio State University to...
in turn affects the physical, psychological, social and economical well being of some of the leprosy afflicted persons (LAPs). To prevent and correct deformities Government of India has focused on early diagnosis and appropriate treatment. In addition government has been providing services of Reconstructive Surgery (RCS). RCS corrects the deformity and is expected to help in reducing the stigma...
section{introduction} the concept of {sl cartan geometry} appeared at the beginning of the twentieth century, when {e}lie cartan was working on the so-called {sl equivalence problem}, the aim of which is to determine whether two given geometric structures can be mapped bijectively onto each other by some diffeomorphism. this problem can be considered in many different contexts, such as ...
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