نتایج جستجو برای: ransford spectrum

تعداد نتایج: 223785  

Journal: :The Astronomy and Astrophysics Review 2021

Compact steep-spectrum (CSS) and peaked-spectrum (PS) radio sources are compact, powerful sources. The multi-frequency observational properties current theories reviewed with emphasis on developments since the earlier review of O’Dea (PASP 110:493–532, https://doi.org/10.1086/316162, 1998). There three main hypotheses for nature PS CSS (1) might be very young galaxies which will evolve into the...

Background & purpose: Autism spectrum disorder is a developmental neurological disorder characterized by impairment in social and communication interactions and repetitive behaviors.  The increasing prevalence of this disorder has raised the need for research on its characteristics and treatment methods.  The aim of this study was to investigate the effect of social stories using video modeling...

ژورنال: رویش روانشناسی 2021

Autism spectrum and attention-deficit/hyperactivity (ADHD) disorders are associated with widespread social cognitive impairments that affect their social relationships. In this regard, the present review study was conducted to investigate the development of social cognition in children with autism spectrum and ADHD disorders. In this systematic meta-analysis study, published articles on the dev...

ژورنال: مهندسی دریا 2016

Wave models or two-dimensional measurements of wave spectrum, determine the distribution of wave energy over frequency and different directions. However most of spectrum measurements are not directional. In this study, we are planning to determine how much energy in waves comes from storms taken place in distant areas and old waves have reached the study areas (swells), and how much energy is f...

بهنام نژاد, نسرین, عابدی, احمد, محسنی اژیه, علیرضا,

Objectives: The present study has been performed with the aim of designing and evaluating the psychometric properties of Autism Spectrum Disorders Diagnosis Scale (ASDDS). Method: This study is an instrumental and validity evaluation. The statistical community of the research consisted of all children with autism spectrum who live in Isfahan. Among them, 100 patients were selected by method of ...

ژورنال: پژوهش در پزشکی 2007
مظفری, نورامیر, زهره طواف لنگرودی, , عباس عبدالهی, , فروهش تهرانی, هما,

Background: Klebsiella pneumoniae is one of the most important and prevalent bacterium isolated from clinical cases especially from hospitalized patients. Recent studies have focused on multiple drug resistant K.pneumoniae strains. In this survey, drug resistance in clinical isolates was studied with special reference to extended spectrum β-lactamase. Methods: A total of 303 K.pneumoniae strai...

Journal: :فیزیک زمین و فضا 0
امین روشندل کاهو دانشجوی دکتری ژئوفیزیک، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران، ایران حمیدرضا سیاهکوهی دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک، دانشگاه تهران، ایران

based on the convolutional model, a seismic trace is the convolution of seismic source wavelet and reflection coefficient series of the earth. seismic source wavelet estimation is one of the most important stages in processing and interpretation of seismic data. accurate estimation of wavelet increases the efficiency of the deconvolution and temporal resolution of seismic data. on the other han...

ژورنال: پژوهش های ریاضی 2020

In this paper we study the concept of Arveson spectrum on locally compact hypergroups and for an important class of compact countable hypergroups . In thiis paper we study the concept of Arveson spectrum on locally compact hypergroups and develop its basic properties for an important class of compact countable hypergroups .

Javad Fathi Rahmatollah Lashkaripour

The main purpose of this paper is to detemine the fine spectrum of the generalized difference operator Delta_{uv} over the sequence space c0. These results are more general than the fine spectrum of the generalized difference operator Delta_{uv} of Srivastava and Kumar.

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