منابع مشابه
Recurrent Human Tragedy During Hajj
Hajj, a unique yearly mass gathering pilgrimage of more than 2 million Muslims from around the world, presents enormous challenges to the Saudian Arabia government.1 The potential for deadly epidemic outbreaks of bacterial and viral diseases leading to upper respiratory infection and meningitis and human stampedes call for prompt attention from both pilgrims and the ministry of healt...
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Objective: Schizophrenia is to be emphasized due to its high prevalence, severity of symptoms and frequent recurrences. In this study the hazard of recurrence of Schizophrenia was analyzed by using recurrent events models. Materials & Methods: This study was an observational prospective study. Data was gathered from 159 registered schizophrenia patients at Razi Psychiatric Center. The type I...
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The object of the present paper is to introduce and study a type of non-flat semi-Riemannian manifolds, called, super generalized recurrent manifolds which generalizes both the notion of hyper generalized recurrent manifolds [A.A. Shaikh and A. Patra, On a generalized class of recurrent manifolds, Arch. Math. (Brno) 46 (2010) 71--78.] and weakly generalized recurrent manifolds ...
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Recurrent implantation failure (RIF) has many definitions, but usually authors consider RIF, the failure to achieve a pregnancy fallowing 2-6 IVF cycles in which more than 10 high grade embryos were transferred to the uterus. There are a lot of causes for RIF but two main causes of that are related to embryo and endometrium. Chromosomal abnormalities, zona hardening and problems in culture medi...
متن کاملDynamical systems: recurrent and uniformly recurrent points
10.2. Example We consider the abstract dynamical system given in 9.18: the shift system over S where the phase space X is the product space {1, . . . , r}, for some r ≥ 2. For any R ⊆ S, there are x and U such that R(x, U) = R: simply pick x ∈ X be such that x(s) = 1 iff s ∈ R; so x might be considered as a characteristic function of R. Put U = {z ∈ X : z(1S) = 1}, a clopen subset of X. Then fo...
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ژورنال
عنوان ژورنال: BMJ
سال: 1910
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.2586.194