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Search Results: 1 - 10 of 1279 matches for " Adel Zahed "
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Temperament and personal character relationship with symptoms of schizophrenia disorder
Abbas Abolghasemi,Mohammad Bahari,Mohammad Narimani,Adel Zahed
Behbood , 2011,
Abstract: Background: Knowledge is limited concerning the role of temperament and character factors on schizophrenia. Recent studies suggest that dimensions of temperament and character influence symptoms and functions in schizophrenia. The purpose of this study was to determine the relationship between temperament and character with positive and negative symptoms in patients with schizophrenia.Methods: The research sample consisted of 100 men which were randomly selected from schizophrenia patients with positive and negative symptoms at Razi hospital in Tabriz. Temperament and character inventory and positive and negative symptoms scale were used for data collection. Data was analyzed using t-test and discriminate analyses. Results: The research findings showed that patients with schizophrenia with negative symptoms had higher levels of self– transcendence and harm avoidance. However, patients with schizophrenia with positive symptoms had higher levels of cooperativeness. The results of discriminate analysis showed that explained 37 percent of variance of self– transcendence, harm avoidance and cooperativeness for only function between groups of schizophrenia with positive and negative symptoms. Discriminate function obtained was classified correctly by stepwise method 68.3 percent schizophrenia with positive and negative symptoms.Conclusion: It can be concluded that self– transcendence, harm avoidance and cooperativeness discriminated the patients with schizophrenia with positive and negative symptoms. The study confirmed important implications about intensity of symptomology and early intervention for patients with schizophrenia.
Analyticity of Semigroups generated by Degenerate Mixed Differential Operators  [PDF]
Adel Saddi
Advances in Pure Mathematics (APM) , 2011, DOI: 10.4236/apm.2011.13010
Abstract: In this paper we are interested in studying the dissipativity of degenerate mixed differential operators involving an interface point. We show that, under particular interface conditions, such operators generate analytic semigroups on an appropriate Hilbert space . To illustrate the results an example is discussed.
Mild Solutions of Fractional Semilinear Integro-Differential Equations on an Unbounded Interval  [PDF]
Adel Jawahdou
Applied Mathematics (AM) , 2013, DOI: 10.4236/am.2013.47A007
Abstract: In this paper, we study the existence of mild solutions for fractional semilinear integro-differential equations in an arbitrary Banach space associated with operators generating compact semigroup on the Banach space. The arguments are based on the Schauder fixed point theorem.
A Decision Tree Classifier for Intrusion Detection Priority Tagging  [PDF]
Adel Ammar
Journal of Computer and Communications (JCC) , 2015, DOI: 10.4236/jcc.2015.34006
Abstract: Snort rule-checking is one of the most popular forms of Network Intrusion Detection Systems (NIDS). In this article, we show that Snort priorities of true positive traffic (real attacks) can be approximated in real-time, in the context of high speed networks, by a decision tree classifier, using the information of only three easily extracted features (protocol, source port, and destination port), with an accuracy of 99%. Snort issues alert priorities based on its own default set of attack classes (34 classes) that are used by the default set of rules it provides. But the decision tree model is able to predict the priorities without using this default classification. The obtained tagger can provide a useful complement to an anomaly detection intrusion detection system.
Comparison of Feature Reduction Techniques for the Binominal Classification of Network Traffic  [PDF]
Adel Ammar
Journal of Data Analysis and Information Processing (JDAIP) , 2015, DOI: 10.4236/jdaip.2015.32002
Abstract: This paper tests various scenarios of feature selection and feature reduction, with the objective of building a real-time anomaly-based intrusion detection system. These scenarios are evaluated on the realistic Kyoto 2006+ dataset. The influence of reducing the number of features on the classification performance and the execution time is measured for each scenario. The so-called HVS feature selection technique detailed in this paper reveals many advantages in terms of consistency, classification performance and execution time.
The Spectrum of β-Thalassemia Mutations in the Arab Populations
Laila Zahed
Journal of Biomedicine and Biotechnology , 2001, DOI: 10.1155/s1110724301000298
Abstract: The Arab countries encompass a wide region stretching from the Persian Gulf to the Atlantic Ocean. The Arab population is quite heterogeneous and has experienced various invasions and migrations throughout history. β-thalassemia is endemic in all countries of the Arab world. Our review of the molecular basis of β-thalassemia in various Arab countries reveals the presence of 52 mutations, which are mostly of Mediterranean and Asian origin. The distribution of mutations reflects the geographical and historical backgrounds of each region. However, no specific mutation is confined to the Arabs, although some Arab countries do have unique mutations.
Iranian engineers' information needs and information seeking habits: an agro-industry company experience
Zahed Bigdeli
Information Research: an international electronic journal , 2007,
Abstract: Iranian engineers' information needs and information seeking habits
The spectrum of ?-thalassemia mutations in the Arab populations
Zahed Laila
Journal of Biomedicine and Biotechnology , 2001,
Abstract: The Arab countries encompass a wide region stretching from the Persian Gulf to the Atlantic Ocean. The Arab population is quite heterogeneous and has experienced various invasions and migrations throughout history. ?-thalassemia is endemic in all countries of the Arab world. Our review of the molecular basis of ?-thalassemia in various Arab countries reveals the presence of 52 mutations, which are mostly of Mediterranean and Asian origin. The distribution of mutations re?ects the geographical and historical backgrounds of each region. However, no speci?c mutation is con?ned to the Arabs, although some Arab countries do have unique mutations.
Hot QCD
I. Zahed
Physics , 1993,
Abstract: I discuss a comprehensive approach to the spacelike physics in high temperature QCD in three dimensions. The approach makes use of dimensional reduction. I suggest that this approach is useful for high temperature QCD in four dimensions.
QCD Instantons in Vacuum and Matter
I. Zahed
Physics , 1994, DOI: 10.1016/0550-3213(94)90640-8
Abstract: The singlet coupling to the topological charge density in the instanton vacuum, causes the instantons and antiinstantons to be screened over distances of the order of 1/2 fm. Dilute instanton systems behave as a free gas, while dense instanton systems behave as a plasma. The free gas behaviour is favored by a density of 1 fm$^{-4}$. Owing to the Higgs mechanism, the $\eta$' mass is heavy (1100 MeV). The vacuum topological susceptibility is small (0.07 fm$^{-4}$) and consistent with the QCD Ward identity. In the chiral limit, the singlet screening vanishes, leading to a four dimensional plasma state with a temperature given by the nonet decay constant $f$ (90 MeV). The phase is Debye screened. In the presence of matter, the screening is quenched, and a Kosterlitz-Thouless transition may occur signaling the restoration of the $U_A(1)$ symmetry. We suggest to use the spatial asymptotics of the static topological charge correlator together with the topological susceptibility to probe the interplay between the $U_A(1)$ restoration and the chiral restoration in finite temperature QCD. The relevance of these results to the bulk thermodynamics in the instanton vacuum is discussed.
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