نتایج جستجو برای: nuclear techniques

تعداد نتایج: 855049  

Journal: :Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan 1985

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

پایان نامه :0 1375

this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...

Differentiation is an epigenetic process which is installed by changes of transcriptional programs over successive cellular divisions. A number of studies have reported the effects of biochemical modifications of chromatin (DNA and chromatin proteins) on the regulation of transcription. Although, these studies are able to explain how transcription of a given gene is regulated (toward activation...

Amoui, Mahasti, Pirayesh, Elahe, Qodsi rad , Ali,

BACKGROUND AND OBJECTIVE: Nuclear medicine specialty based on the imaging of various organ functions has progressed in recent years with the improvement of imaging techniques towards hybrid imaging requiring knowledge of cross sectional anatomy. On the other hand, with the passing of time, most of knowledge of anatomy has been forgotten. METHODS: This study was conducted in an experimental stud...

Journal: :Journal of embryology and experimental morphology 1960
T R ELSDALE J B GURDON M FISCHBERG

INTRODUCTION A METHOD by which nuclei can be successfully transplanted into Amphibian eggs was first worked out by Briggs & King (1952) for the eggs of Ranapipiens. Xenopus laevis is an atypical Anuran since its eggs can be obtained throughout the year, and the resulting embryos can be reared to maturity within 12 months under laboratory conditions. Because of these advantages we have used Xeno...

Ali Abbaspour Tehrani-Fard Babak Ebrahimi Dariush Sardari Farshid Babapour Mofrad,

Introduction: SPECT is a diagnostic imaging technique the main disadvantage of which is the existence of Poisson noise. So far, different methods have been used by scientists to improve SPECT images. The Wavelet Transform is a new method for de-noising which is widely used for noise reduction and quality enhancement of images. The purpose of this paper is evaluation of noise reduction in SPECT ...

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