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Search Results: 1 - 10 of 138784 matches for " Rasekh K "
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Etiology and prevalence of preterm deliveries in Dr. Shariatie Hospital, 1996-97
Marsusi V,Rasekh K
Tehran University Medical Journal , 1998,
Abstract: One hundred and sixty preterm deliveries were done at our center in (1996-97). Classification according to etiology shows that 30% of these deliveries were due to PROM, and 13.75% had to be induced secondary to underling fetal or maternal indication, in 35.6% there were maternal or fetal pathology, and in 20.6% there were no recognized reason (idiopathic). The various etiologic factors were evaluated in 160 term deliveries as control group. The preterm deliveries had significantly higher rate. There were 40 cases of perinatal mortality that included 77% of total perinatal mortality in (1996-97). Acute lack of neonatal intensive care unit in Iran requires closer attention in the future.
Predict Edges in Fliker Social Network Using Data Mining Method  [PDF]
Amir Hossein Rasekh, Zeinab Liaghat, Ala Mahdavi
Intelligent Information Management (IIM) , 2012, DOI: 10.4236/iim.2012.43009
Abstract: Using social networking services is becoming more popular day by day. The websites of the social networks like face-book currently are among the most popular internet services just after giant portals such as Yahoo, MSN and search engines like Google. One of the main problems in analyzing these networks is the prediction of relationships between people in the network. The purpose of this paper is to forecast the friendship of a person with a new person using existing data on Flickr website accurately. In this paper, we achieved about 90% percent correct prediction with regards to the results which are obtained by using data mining methods.
Helicobacter pylori microbe and detecting with data mining algorithms  [PDF]
Amir Hossein Rasekh, Zeinab Liaghat, Alireza Tabebordbar
Open Journal of Gastroenterology (OJGas) , 2013, DOI: 10.4236/ojgas.2013.32016
Abstract:

Nowadays medicines believe that the only definite method to diagnose the existence of Helicobacter pylori microbe is performing endoscope, however it’s painful and insufferable for young children. Thus in this paper we used data mining algorithms to diagnose the existence of this microbe and eventually we succeeded in predicting the existence of this bacterium in stomach that guides medicines to perform Endoscopy just in cases where percentage of finding this bacterium is high.

Concatenative Synthesis of Persian Language Based on Word, Diphone and Triphone Databases
Iman Rasekh,Reza Javidan
Modern Applied Science , 2010, DOI: 10.5539/mas.v4n10p97
Abstract: In this paper a Persian text-to-speech system based on concatenative speech synthesis approach is proposed. Nowadays, concatenative method is used in most modern TTS systems to produce artificial speech. Choosing an appropriate unit for creating a database is the major challenge in this method. In the proposed method, such database is created with different sizes of speech units and is used to produce speak utterances which include words, diphones and triphones. Moreover, a dictionary of 600 common Persian words is built. The smaller speech units (diphones and triphones) is used for synthesis. They are chosen to achieve unlimited vocabulary of speech, while the word units are used for synthesizing limited set of sentences. The simulation results show the effectiveness of the proposed method.
Code-switching in Iranian Elementary EFL Classrooms: An Exploratory Investigation
Ehsan Rezvani,Abbass Rasekh
English Language Teaching , 2011, DOI: 10.5539/elt.v4n1p18
Abstract: This paper presents the results of a small-scale exploratory investigation of code-switching (CS) between English and Farsi by 4 Iranian English foreign language (EFL) teachers in elementary level EFL classrooms in a language school in Isfahan, Iran. Specifically, the present study aimed at exploring the syntactical identification of switches and the functions that the switches served. The data consist of field notes and scripts of audio-recordings of the teachers’ talk collected during classroom observations. The findings suggest that CS is a frequently applied strategy and a valuable resource for bilingual teachers in foreign language classrooms, and its judicious and skillful use can boost the quality of teaching. Moreover, it was found that EFL teachers in this study tended to use the learners’ L1 (i.e., Farsi) to serve a number of pedagogic and social functions, which contributed to better teacher-student classroom interaction. Implications may be drawn for language teacher education programs and for further research on systematic investigation into actual classroom practices.
A Dynamic Simulation-Optimization Model for Adaptive Management of Urban Water Distribution System Contamination Threats
Amin Rasekh,Kelly Brumbelow
Computer Science , 2014,
Abstract: Urban water distribution systems hold a critical and strategic position in preserving public health and industrial growth. Despite the ubiquity of these urban systems, aging infrastructure, and increased risk of terrorism, decision support models for a timely and adaptive contamination emergency response still remain at an undeveloped stage. Emergency response is characterized as a progressive, interactive, and adaptive process that involves parallel activities of processing streaming information and executing response actions. This study develops a dynamic decision support model that adaptively simulates the time-varying emergency environment and tracks changing best health protection response measures at every stage of an emergency in real-time. Feedback mechanisms between the contaminated network, emergency managers, and consumers are incorporated in a dynamic simulation model to capture time-varying characteristics of an emergency environment. An evolutionary-computation-based dynamic optimization model is developed to adaptively identify time-dependant optimal health protection measures during an emergency. This dynamic simulation-optimization model treats perceived contaminant source attributes as time-varying parameters to account for perceived contamination source updates as more data stream in over time. Performance of the developed dynamic decision support model is analyzed and demonstrated using a mid-size virtual city that resembles the dynamics and complexity of real-world urban systems. This adaptive emergency response optimization model is intended to be a major component of an all-inclusive cyberinfrastructure for efficient contamination threat management, which is currently under development.
Post-Nominal Modification: A Contrastive Investigation of Persian, Non-Native and Native Academic Writters
Nasim Esfandiari,Abbass Eslami Rasekh
Pakistan Journal of Social Sciences , 2012,
Abstract: This study aims to investigate, one of the most significant issues of writing skill, post-modification, often causing difficulties for EAP students struggling for making complex constructions in their academic writings. A contrastive analysis procedure is applied, which involves discovering how Post-nominal Modifications (PNMs) in English and Persian languages compare and how writers with differing language backgrounds manage to use complex constructions. Data composing of academic articles in the field of psychology written by three groups of writers were randomly selected for comparison. The quantitative analysis of data indicated that non-native writers displayed frequency differences in using PNMs compared with native academic writers. On the other hand, data examination revealed, although Iranian writers faced with difficulty in creating complex constructions, frequency studies did not show any significant differences between their writings and native writers. The explanations for this surprising finding were provided evidencing the effective role of L1 and faulty constructions were examined qualitatively demonstrating clear traces of L1 interference resulting in grammatical mistakes observed in the inter-language productions of Iranian EAP writers.
Post-Nominal Modification: A Contrastive Investigation of Persian, Non-Native and Native Academic Writters
Nasim Esfandiari,Abbass Eslami Rasekh
Pakistan Journal of Social Sciences , 2012,
Abstract: The research presented in this study aims to investigate one of the most significant issues of writing skill, post-modification, often causing difficulties for EAP students struggling for making complex constructions in their academic writings. A contrastive analysis procedure is applied which involves discovering how Post-Nominal Modifications (PNMs) in English and Persian languages compare and how writers with differing language backgrounds manage to use complex constructions. Data composing of academic articles in the field of psychology written by three groups of writers were randomly selected for comparison. The quantitative analysis of data indicated that non-native writers displayed frequency differences in using PNMs compared with native academic writers. On the other hand, data examination revealed, although Iranian writers faced with difficulty in creating complex constructions, frequency studies did not show any significant differences between their writings and native writers. The explanations for this surprising finding were provided evidencing the effective role of L1 and faulty constructions were examined qualitatively demonstrating clear traces of L1 interference resulting in grammatical mistakes observed in the inter-language productions of Iranian EAP writers.
Color Terms in Persian and English Metaphoric Expressions: Al-Hasnawi’s Cognitive Schemes in Focus
Banafsheh Ghafel,Abbass Eslami Rasekh
Cross-Cultural Communication , 2011, DOI: 10.3968/j.ccc.1923670020110703.185
Abstract: Metaphorical language is an indispensable part of human life, involving language, thought and action. Metaphors are used to express abstract concepts in terms of concrete entities. As a subclass of metaphoric expressions, colorbased metaphors are culture specific so much so that they are, at times, difficult to understand by non-native speakers. The current comparative study is focused on metaphoric expressions of English and Persian within Al- Hasnawi’s (2007) model. The present study goes above and beyond simple metaphoric expressions of color by focusing on idioms, similes, metonymies and proverbs as long as they include at least one color term. Thus, the aims of the current study are twofold (i) to identify the extent of the diversity of the cognitive mapping between English and Persian speakers as long as color terms are concerned; (ii) to scrutinize their cognitive equivalency in translation. To do so, English examples were collected from Phillip (2006) and Allen (2008). Next, the Persian ones were searched from dictionaries in Persian. The findings of this comparative analysis show that, although there is some similarity in cognitive mapping between English and Persian, the majority of metaphorical expressions are culture-bound. Such expressions are orientated toward different mapping conditions. Considering cognitive equivalency, the results indicate that there is only a relative equivalency between English and Persian. Key words: Metaphorical expression; Cognitive schema; Translation; Culture Résumé Le langage métaphorique est un élément indispensable de la vie humaine, impliquant la langue, la pensée et l'action. Les métaphores sont utilisées pour exprimer des concepts abstraits en termes d'entités concrètes. En tant que sousclasse des expressions métaphoriques, basée sur la couleur sont des métaphores de la culture spécifiques à tel point qu'ils sont, à certains moments, difficile à comprendre par les locuteurs non natifs. L'étude comparative actuelle se concentre sur les expressions métaphoriques de l'anglais et le persan au sein d'Al-Hasnawi (2007) de modèle. La présente étude va au-delà des expressions métaphoriques simples de couleur en se concentrant sur les idiomes, comparaisons, métonymies et des proverbes aussi longtemps qu'ils comprennent au moins un terme de couleur. Ainsi, les objectifs de l'étude actuelle sont de deux ordres: (i) d'identifier l'étendue de la diversité de la cartographie cognitive entre l'anglais et persanophones tant que termes de couleurs sont concernées, (ii) d'examiner leur équivalence cognitive dans l
Humoral immune variation in drug addicts
Masoud A,Rasekh Jam A
Tehran University Medical Journal , 1995,
Abstract: Studies were undertaken to evaluate content of IgG, IgM, C3, C4, CH50 and proteines of sera from 53 drug addicts by immunological methods. Results shows an increase of IgG and no significant variatrion in the level of other Ig(S). In the same time we have seen an augmentation of gamma globuline in the protein electrophoresis pattern. The level of C3 and C4 of complement component rest unchanged.
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