نتایج جستجو برای: ساختار srr
تعداد نتایج: 60168 فیلتر نتایج به سال:
امروزه نیاز به شیفت دهنده های فازی وجود دارد که بتوانند توان های بالا را تحمل کنند و در عین حال قابلیت تغییر فاز زیاد را در فرکانس دلخواه داشته باشند. شیفت دهنده های مبتنی بر دیود varactor و mems نمی توانند توان های بالا را تحمل کنند. شیفت دهنده های مبتنی بر ferroelectric می توانند توان های بالا را تحمل کنند اما در این نوع شیفت دهنده های فاز نیاز به ولتاژهای خیلی زیاد (بالای 100 v ) برای تغییر ...
BACKGROUND/AIMS Sibling recurrence risk (SRR) is a measure of familial aggregation of a disease and is often used in family-based studies in genetic epidemiology to indicate the existence of possible genes conferring susceptibility of disease. Estimating SRR requires information about the disease status of sibships of families with two or more siblings where at least one is affected. Since fami...
Abstract. To provide stringent service guarantees such as latency and backlog bounds for input-buffered switches, a set of scheduling algorithm and admission control strategy is proposed. This set of traffic control strategy is primarily based on a single-server scheduling algorithm called Smoothed Round Robin (SRR). SRR possesses a number of advantages which are very attractive to the implemen...
Diabetic retinopathy (DR) is a leading cause of blindness. DR is recognized as a microvascular disease and inner retinal neurodegeneration. In the course of retinal neurodegeneration, N-methyl-D-aspartate receptor (NMDAR)-mediated excitotoxicity is involved. Full activation of NMDAR requires binding of agonist glutamate and coagonist glycine or D-serine. D-Serine is produced from L-serine by se...
Nowadays, SRR (super resolution image reconstruction) technology is a very effective method in improving spatial resolution of images and obtaining high-definition images. The SRR approach is an image late processing method that does not require any improvement in the hardware of the imaging system. In the SRR reconstruction model, it is the key point of the research to choose a proper cost fun...
In Bioinformatics, text mining and text data mining sometimes interchangeably used is a process to derive high-quality information from text. Perl Status Reporter (SRr) [1] is a data fetching tool from a flat text file and in this research paper we illustrate the use of SRr in text/data mining. SRr needs a flat text input file where the mining process to be performed. SRr reads input file and d...
Objectives Sardinia populations experienced continuous shortage of water resources for thousands of years. To solve this problem, during 1950-1980, the main rivers were dammed creating 45 reservoirs which rapidly became eutrophic or hypertrophic, with toxic cyanobacterial blooms and a generally poor water quality. In order to investigate relations between some cancers occurrence and drinking ...
Strontium ranelate (SrR) is one of the pharmaceutical agents reported to be effective on the promotion of fracture healing. This study aimed to evaluate the integrative effect of the oral SrR with a topical Chinese herbal paste, namely, CDR, on facilitation of bone healing. The in vivo efficacy was evaluated using rats with tibial fracture. They were treated with either CDR topically, or SrR or...
BACKGROUND The N-methyl-D-aspartate (NMDA) receptors play a role in behavioral abnormalities observed after administration of the psychostimulant, methamphetamine (METH). Serine racemase (SRR) is an enzyme which synthesizes D-serine, an endogenous co-agonist of NMDA receptors. Using Srr knock-out (KO) mice, we investigated the role of SRR on METH-induced behavioral abnormalities in mice. METH...
The authors investigate the resonances of split-ring resonator (SRR) structures experimentally and theoretically. The transmission measurements were performed on a single SRR unit cell and periodic arrays of SRRs. The magnetic response of the SRR structure was demonstrated by comparing the SRRs’ transmission spectra of with that of closed ring resonators (CRR). The surface currents along the SR...
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