نتایج جستجو برای: neural conductions

تعداد نتایج: 302632  

Journal: :Journal of neurology, neurosurgery, and psychiatry 2015
Antonino Uncini Satoshi Kuwabara

Peripheral nerve diseases are traditionally classified as demyelinating or axonal. It has been recently proposed that microstructural changes restricted to the nodal/paranodal region may be the key to understanding the pathophysiology of antiganglioside antibody mediated neuropathies. We reviewed neuropathies with different aetiologies (dysimmune, inflammatory, ischaemic, nutritional, toxic) in...

2007
Tao Tang Kun Xu

Numerical schemes based on the collisional BGK model have been developed in recent years. In this paper, we investigate the rst-order BGK schemes for the Euler equations. Particular attention is given to nd CFL-like conditions under which the schemes are positivity-preserving (i.e. density and internal energy remain nonnegative). The rst-order BGK schemes are linear combinations of collisionles...

1999
Tao Tang Kun Xu

Numerical schemes based on the collisional BGK model have been developed in recent years. In this paper, we investigate the first-order BGK schemes for the Euler equations. Particular attention is given to finding CFL-like conditions under which the schemes are positivity-preserving (i.e. density and internal energy remain nonnegative). The first-order BGK schemes are linear combinations of col...

2015
Seung-Bum Ryoo Heung-Kwon Oh Sang Hui Moon Eun Kyung Choe Sung A Yu Sung-Hye Park Kyu Joo Park

Little human tissue data are available for slow waves and migrating motor complexes, which are the main components of small bowel motility. We investigated the electrophysiological and mechanical characteristics of human ileal motility, in vitro. Ileum was obtained from patients undergoing bowel resection. Electrophysiological microelectrode recordings for membrane potential changes and mechani...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده برق و الکترونیک 1390

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

Journal: : 2022

Aim: The heterogeneity of the Amyotrophic Lateral Sclerosis (ALS) clinical phenotypes leads to difficulties in early diagnosis. ‘split hand’ sign is defined as thenar muscles that are more prominently affected by hypothenar. In this study, results initial nerve conduction study patients were compared with those controls order increase findings supporting diagnosis.
 Material and Method: Se...

Journal: :Energies 2022

There has always been a high expectation that wind generation systems would capture maximum power and integrate properly with the grid. Utilizing system increased management to meet growing electricity demand is clever way of accomplishing this. However, require sophisticated, unique, dependable control mechanism in order achieve stability efficiency. To improve operation energy conversion meth...

2015
Ruifa Hu Xusheng Huang Jikun Huang Yifan Li Chao Zhang Yanhong Yin Zhaohui Chen Yanhong Jin Jinyang Cai Fang Cui Oscar Arias-Carrion

Pesticides are extensively used by farmers in China. However, the effects of pesticides on farmers' health have not yet been systematically studied. This study evaluated the effects of pesticides exposure on hematological and neurological indicators over 3 years and 10 days respectively. A cohort of 246 farmers was randomly selected from 3 provinces (Guangdong, Jiangxi, and Hebei) in China. Two...

2009
Tianyou Zhai Xiaosheng Fang Meiyong Liao Xijin Xu Haibo Zeng Bando Yoshio Dmitri Golberg

One-dimensional (1D) metal-oxide nanostructures are ideal systems for exploring a large number of novel phenomena at the nanoscale and investigating size and dimensionality dependence of nanostructure properties for potential applications. The construction and integration of photodetectors or optical switches based on such nanostructures with tailored geometries have rapidly advanced in recent ...

2005
J. E. PHILLIPS

1. Electrophysiological and tracer flux techniques were used to study regulation of KC1 reabsorption across locust recta. Physiologically high K levels (100 mmol I") on the lumen side stimulated net Cl flux and reduced the theoretical energy cost of anion transport under open-circuit conductions. 2. The stimulation of short-circuit current (I^, i.e. active C\~ absorption) by crude corpora cardi...

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