نتایج جستجو برای: dsi

تعداد نتایج: 990  

2009
L-W. Kuo W-Y. Chiang F-C. Yeh V. J. Wedeen W-Y. I. Tseng

Introduction Mapping complex fiber orientations with diffusion spectrum imaging (DSI) technique has been demonstrated as a potentially useful neuroimaging tool for investigating the brain structural connective network [1]. To sample DSI data, a large number of diffusion-weighted images are needed to be acquired for filling the 3-dimensional (3D) q-space. However, such sampling scheme prolongs t...

Journal: :Neuron 2001
Johanna M. Montgomery Daniel V. Madison

actual trigger for DSI appears to be a rise in postsynaptic calcium, since it is prevented when calcium chelators, such as EGTA or BAPTA, are present postJohanna M. Montgomery and Daniel V. Madison* Department of Molecular and Cellular Physiology Stanford University School of Medicine synaptically (Llano et al., 1991; Pitler and Alger, 1994). Stanford, California 94305 Following induction, DSI ...

2013

Method: The study was carried out in three phase. Phase I: V-DOP developed by Konnai et al., 2010 (in Kannada & English for Indian population) was translated in Tamil and verified for content validity. Phase II: English and Tamil version of V-DOP was administered on forty eight subjects for validation. Phase III: Correlating scores from DSI and V-DOP was done on fifty subjects with voice concer...

Journal: :Journal of speech and hearing research 1992
C G Cokely L E Humes

The revised Speech Perception in Noise (SPIN) test and the Dichotic Sentence Identification (DSI) test have been used to help evaluate speech-recognition capabilities in elderly people. We evaluated the test-retest reliability of these measures for 17 subjects aged 63-82 years. The DSI and revised SPIN tests were administered at 65, 75, and 85 dB SPL, with a total of three presentations at each...

Journal: :Science of The Total Environment 2021

In view of the problems involved in remote sensing monitoring urban air quality, including low spatial resolution, only for a single pollutant, complex inversion algorithms, and difficultly obtaining parameter values, this study, new difference smog index (DSI) was developed, then comparison with normal haze index, MODIS aerosol optical depth products. The results show that DSI model developed ...

2012
Nadia Baha Slimane Larabi

The current paper proposes a real-time dense stereo matching algorithm based on a DSI (Disparity Space Image ) data structure that can produce accurate disparity map. Our approach divides the disparity map computing into two main steps. The first step deals with the computing of the initial disparity map using DSI method. The second step presents a simple and a fast method to refine the initial...

ژورنال: علوم آب و خاک 2018

Wind erosion is the most important geomorphic process and the main cause of the landscape change in arid and semi-arid areas. This paper focuses on the Dust Storm Index (DSI) with the aim of monitoring wind erosion in Central Iran using meteorology data. The trend of standardized DSI and its three factors which are sever dust storm, moderate dust storm and local dust events were studied using M...

Journal: :Journal of neurophysiology 2007
Akira Sakurai Robert J Calin-Jageman Paul S Katz

In the mollusk, Tritonia diomedea, the serotonergic dorsal swim interneuron (DSI) produces spike timing-dependent neuromodulation (STDN) of the synaptic output of ventral swim interneuron B (VSI) resulting in a biphasic, bidirectional change of synaptic strength characterized by a rapid heterosynaptic potentiation followed by a more prolonged heterosynaptic depression. This study examined the m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم زمین 1392

به دلیل متغییر و غیر قابل پیش بینی بودن خصوصیات پتروفیزیکی در مخازن کربناته، ارزیابی دقیق این خصوصیات از اهمیت بالایی برخوردار است. در این مطالعه با استفاده از نگار dsi، خصوصیات پتروفیزیکی سازند دالان در یکی از میادین جنوب غرب ایران بررسی گردید. به منظور بررسی چگونگی اثر گذاری داده-های زمان عبور استخراج شده بر مدل پتروفیزیکی، مدل سازی در دو مرحله صورت گرفت. کیفیت مدل ایجاد شده با اعمال نگارهای ...

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