نتایج جستجو برای: distance to escape terrains
تعداد نتایج: 10655337 فیلتر نتایج به سال:
probiotics lactobacillus plantarum and bifidobacterium b94: cognitive function in demyelinated model
background: multiple sclerosis (ms) is a disease of the immune system that creates damage of learning and memory in that. using probiotic supplements is recommended for preventing ms disease and improving memory. this study aimed to investigate the effect of lactobacillus plantarum (lp) and bifidobacterium b94 (bb94), on acquisition phase of spatial memory in the local demyelination of rats` hi...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
A realistic input model for polyhedral terrains was introduced in [16]. With this model, improved upper and lower bounds on the combinatorial complexity of visibility and distance structures on these terrains were obtained. In this paper, we perform experiments with realworld data to determine how realistic the assumptions of that input model are, by examining what the values of the model param...
We study the problem of matching two polyhedral terrains, where one can be changed vertically by a linear transformation of the third coordinate (scaling and translation). We give an algorithm that minimizes the maximum distance over all linear transformations in O(npolylog n) expected time. We also study matching two 1-dimensional terrains, and give a (1+ ε)-approximation algorithm for minimiz...
Introduction: The aim of this study was to investigate the effect of short-term microinjection of Ferula szowitsiana extract on the process of spatial memory and lipid peroxidation in the hippocampus in an experimental model of Multiple Sclerosis (MS). Methods: In this experimental study, 35 male Wistar rats were randomly divided into five groups. Each group has 7 rats. These groups were inclu...
lead (pb2+) is a well known neurotoxin that was frequently found in the environment and chronic exposure to lead has been matter of public health. in the present study the effect of lead on spatial memory in developmentally exposed rats and their dams in morris water maze task were investigated. female rats were divided into three groups and two groups exposed to 250 and 750 part per million (p...
In the present study the protective effect of Nigella sativa (N. sativa) on synaptic plasticity impairment induced by lipopolysaccharide (LPS) in rats was investigated. Fifty-eight rats were grouped and treated as follows: 1) control (saline), 2) LPS, 3) LPS-N. sativa, and 4) N. sativa. In a Morris water maze test, the escape latency and travelled path to find the platform as well as time spent...
boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...
Many spatial interpolation methods perform well for gentle terrains when producing spatially continuous surfaces based on ground point data. However, few interpolation methods perform satisfactorily for complex terrains. Our objective in the present study was to analyze the suitability of several popular interpolation methods for complex terrains and propose an optimal method. A data set of 153...
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