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بیش از سه دهه است که پژوهشگران سعی می کنند قطعات الکترونیکی با اندازه کوچکتر و کارایی هرچه بیشتر تولید کنند. در 20 سال اخیر کوشش های زیادی برای درک خواص رسانش الکترونی پلیمرهای همیوغ-? بعمل آمده است. این سیستم های نیمه رسانا نقش مهمی در طراحی سیستم های مولکولی برای کاربردهای الکترونیکی دارند. سیم های مولکولی واحدهای ساختاری بنیادی در طراحی قطعات الکترونیکی مولکولی هستند. یک سیم مولکولی شامل یک ...
Introduction Major obstacles faced by neuroscientists in attempting to unravel the complexity of brain function include both the heterogeneity of brain tissue (with a multitude of cell types present in vivo) and the high speed of brain information processing (with behaviorally relevant millisecondscale electrical activity patterns). To address different aspects of these technical constraints, g...
Submitted for the MAR11 Meeting of The American Physical Society Bias dependence of h/e and h/2e Aharonov-Bohm oscillations in topological insulators1 PRAMEY UPADHYAYA, FAXIAN XIU, YABIN FAN, IGOR OVCHINNIKOV, KANG WANG, University of California Los Angeles, UNIVERSITY OF CALIFORNIA LOS ANGELES TEAM — Recently Aharonov-Bohm (AB) oscillations were observed in Bi2Se3 nanoribbons by Peng et al. [1...
Soil application of liquid cattle manure (LCM) (excrements plus urine, occasionally containing bedding material) can enhance plant growth and increase crop yield (Beauchamp, 1986; Culley et al., 1981; Evans et al., 1977; Kaffka & Kanneganti, 1996; Lithourgidis et al., 2007; Matsi et al., 2003; Motavalli et al., 1989; Sutton et al., 1986; Zhang et al., 2006; Zebarth et al., 1996). In most of the...
Background and Objective: There are evidences for the beneficial effects of probiotic products on non-alcoholic fatty liver disease (NAFLD). The aim of the current study was to investigate the effects of probiotic yogurt consumption compared to conventional yogurt on enzymes and ecogenisity of liver in patients with NAFLD. Materials and Methods: This study was conducted on 72 patients with NAFL...
Recently, Zhang et al. proposed a location-based thresholdendorsement scheme (LTE) to thwart bogus data injection attacks. This scheme exhibits much greater filtering power than earlier symmetric schemes and results in enhanced energy savings. In this paper, we show that LTE has a significant vulnerability. We also propose an improved scheme that mitigates this weakness and thereby achieves the...
Deficient expression of fragile X mental retardation protein (FMRP) underlies the molecular mechanism of fragile X syndrome (FXS). Traditionally, FMRP is classified as a cytoplasmic RNA-binding protein and functions as a translational repressor in the metabotropic glutamate receptor (mGluR) pathway in FXS pathogenesis. In certain contexts (Blonden et al., 2005; Feng et al., 1997; Kim et al., 20...
enucleation at different ages on the sizes of neurons in the lateral geniculate nucleus of infant and adult monkeys. Brain Res 1987;428:259–65. 6 Yücel YH, Kalichman MW, Mizisin AP, et al. Histomorphometric analysis of optic nerve changes in experimental glaucoma. J Glaucoma 1999;8:38–45. 7 Harwerth RS, Crawford MLJ, Frishman LJ, et al. Visual field defects and neural losses from experimental g...
The SIP being an application layer protocol for signaling has been considered as the most appropriate one for multimedia applications. In order to detect some collisions and replay attacks, the SIP offers built-in authentication mechanism as per its specification, designated as HTTP digest based authentication, but study reveals that it is vulnerably susceptible to heterogeneous security issues...
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