نتایج جستجو برای: 446578 p0003 and latency time f2
تعداد نتایج: 16996251 فیلتر نتایج به سال:
The effects of Tilia plathphyllos scop. in a nervous disorder, including seizure was reported in traditional literatures. In the present investigation, the effects of methanolic extract of T. plathyphyllos on seizure induced by picrotoxin and pentylentetrazole were studied in mice. In this experimental study, groups of 5 animals pretreated with doses of 100, 200 and 300 mg/kg of methanolic extr...
a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...
The clinical usefulness of morphine for treatment of chronic pain is limited by development of tolerance. So many authors have proposed the co-administration of other drugs. This study was performed to evaluate the role of gabapentin on analgesic effect of morphine. Four groups of male rats (220-250 g) were examined for time latency using tail flick test: control, morphine (M), gabapentin (GB),...
Improvement of seed yield and oil content in safflower (Carthamus tinctorius L.) as an oilseed crop is the main objective of its breeding programs. However, little genetic information is available for these traits. The main objective of this study was to estimate genetic parameters for seed yield and oil content. Six safflower lines each derived from different Iranian local populations and Saff...
OBJECTIVE The aim of this study was to investigate liver fibrosis using non-invasive Real-time Tissue Elastography (RTE) and transient elastography (FibroScan) methods. METHODS RTE, FibroScan and percutaneous liver biopsy were all performed on patients with chronic liver disease, particularly hepatitis C, to investigate liver fibrosis. RESULTS FibroScan and RTE were compared for fibrous liv...
Objective(s): Due to the prevalence and pervasiveness of stress in modern life and exposure to both chronic and acute stresses, it is not clear whether prior exposure to chronic stress can influence the impairing effects of acute stress on memory retrieval. This issue was tested in this study. Materials and Methods: Adult male Wistar rats were randomly assigned to the following groups: control,...
Background and purpose: Retinitis Pigmentosa (RP) is one of the retinal degeneration diseases affecting the eye signals. Electroretinogram (ERG) is a signal that plays an important role in diagnosis and treatment of RP. This signal includes useful information that cannot be revealed just in time domain. We aimed to investigate the effect of RP on time, frequency, and time-frequency parameters o...
some animal models have been used to study alzheimer's disease (ad). ad is an irreversible progressive neurodegenerative disease and the most common cause of dementia. animal studies have shown that there is a relation between decrease in cholinergic functions in the nucleus basalis of meynert (nbm) and loss of learning capability and memory. the aim of this study was to investigate the ef...
Several studies have demonstrated that out-of-order execution processors may not be the most adequate organization for wide issue processors due to the increasing penalties that wire delays will cause in the issue logic. The main target of out-of-order execution is to hide functional unit latencies and memory latency. However, the former can be quite effectively handled at compile time and this...
The dramatic increase in the processor-memory gap in recent years has led to the development of techniques like data prefetching that hide the latency of cache misses. Two such hardware techniques are the stream buuer and the stride predictor. They have dissimilar architectures, are eeective for diierent kinds of memory access patterns and require diierent amounts of extra memory bandwidth. We ...
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