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Search Results: 1 - 10 of 2600 matches for " Parsian Abbas "
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SICKLE CELL DISEASE AND VENOUS THROMBOEMBOLISM
Zohreh Rahimi,Abbas Parsian
Mediterranean Journal of Hematology and Infectious Diseases , 2011, DOI: 10.4084/mjhid.2011.
Abstract:
Strong interaction between T allele of endothelial nitric oxide synthase with B1 allele of cholesteryl ester transfer protein TaqIB highly elevates the risk of coronary artery disease and type 2 diabetes mellitus
Rahimi Zohreh,Nourozi-Rad Reza,Rahimi Ziba,Parsian Abbas
Human Genomics , 2012, DOI: 10.1186/1479-7364-6-20
Abstract: Background The present study was conducted to investigate the possible outcome of interaction between endothelial nitric oxide (NOS3) G894T and cholesteryl ester transfer TaqIB variants on the risk of coronary artery disease (CAD) and type 2 diabetes mellitus (T2DM). The sample included a total of 207 CAD patients (102 CAD patients with T2DM and 105 CAD patients without T2DM). There were also 101 patients with T2DM and 92 age- and sex-matched healthy individuals as controls. All study participants were from Western Iran. The sample was genotyped by polymerase chain reaction-restriction fragment length polymorphism. Results The presence of NOS3 T allele was not associated with the risk of CAD or T2DM, and the CETP B1 allele was only significantly associated with the increased risk of CAD in total CAD patients (odds ratio (OR) = 5.1, p = 0.019). However, the concomitant presence of both CETP B1 and NOS3 T alleles significantly increased the risk of CAD in total CAD patients (OR = 18.1, p < 0.001), in CAD patients without T2DM (OR = 27.1, p = 0.03), and in CAD patients with T2DM (OR = 13.5, p = 0.002). Also, the presence of both alleles increased the risk of T2DM (OR = 12, p = 0.004). Conclusions Our findings, for the first time, indicate that NOS3 T allele strongly interacts with CETP B1 allele to augment the risk of CAD and T2DM in the population of Western Iran.
Generalized Forms of Riemann-Stieltjes Theorm
Ali Parsian
Journal of Modern Mathematics and Statistics , 2012,
Abstract: If be a monotically increasing function on [a, b] and (a), (b) are Finite and f be a Bounded function defined on [a, b] such that f R ( ), m f M, is continuous on [m, M] And h(x) = f(x) on [a, b], then h R ( ) . In this study, we generalize the above theorem in a suitable forms for both integrand and integrator
Some Applications of Skew Hermitian Linear Maps
Ali Parsian
Research Journal of Applied Sciences , 2012,
Abstract: If M be closed subspace of a Hilbert space H, then there exist a unique pair of Linear mappings P and Q such that P maps H onto M,Q maps H onto M , And x = Px + Qx for all x H. In this study we prove some similar results For any Hilbert space H, the identity map I and all skew Hermitian maps. Some applications also followed.
Legendre Wavelets Rule for Definite Integrals
H. Parsian
Asian Journal of Information Technology , 2012,
Abstract: In this paper we introduce a new numerical method to computation of definite integrals. This method is based on Legendre wavelets. In usual numerical rules such as Simpson`s rule, we needs the values of integrand on the various points(at least three points of interval). However, in wavelet method we needs the integrand and first derivative of it at one point. In general, the wavelets rule is an accurate rule for any polynomials of degree n if we have the values of integrand and derivatives at one point of interval.
Time fractional wave equation: Caputo sense
H. Parsian
Advanced Studies in Theoretical Physics , 2012,
Abstract:
Legendre Functions Direct Method for Solving Linear Differential Equations
H. Parsian
Journal of Applied Sciences , 2002,
Abstract: A direct method for solving linear differential equation under initial values using Legendre function is presented. An operational matrix introduces for operator of differential equation and it reduces into a set of algebraic equations. Illustrative examples are included to demonstrate the validity and applicability of the technique.
Variational Principal and Surface Tension of Liquid Drop
Hossein Parsian
Journal of Applied Sciences , 2002,
Abstract: It is well known that the shape of liquid drop on flat surface is dependent to several energy. One of these energy is surface energy. In this paper to attempt calculate the Free energy of liquid drop on the flat surface and then with extermomize of it, suggest a method for measure surface tension or contact liquid angle with flat surface.
A Numerical Solution for Hydrogen Atoms Like
Hossein Parsian,Reza Sabzpoushan
Asian Journal of Information Technology , 2012,
Abstract: Wavelets constitute a family of functions that constructed from dilation and translation of a single function. They are suitable tools for solving variational problems. In this study, we want to extremum the Hamiltonian of hydrogen atom using Legendre wavelets. Legendre wavelets are defined on the domain [0,1]. For solving this problem, we represent a generalized Legendre functions and generalized Legendre wavelets on the [-s, s] and [0, s], respectively. We start from the radial equations of hydrogen atom like and represent the wave function in term of generalized Legendre function and then convert the redial equation of hydrogen atom like to a polynomial in term of coefficients of wave function. The eigenstate will be minimize provided that, the derivative of it respect to the all of coefficients of wave function to be equal zero. The last equation is a algebraic equation and the solutions are the energy states of hydrogen atom like.
Symmetric Extended Wavelets and One Dimension Schrodinger Equation
Hossein Parsian,Reza Sabzpoushan
Asian Journal of Information Technology , 2012,
Abstract: In this research, we present a numerical solution for schrodinger equation. This method is based on generalized Legendre wavelets and generalized operational matrices. Generalized Legendre wavelets are a complete orthogonal set on the interval [-s, s] (s is a real large positive number.) The mother function of generalized Legendre wavelets are generalized legendre functions. Generalized Legendre functions are an orthogonal set on the interval [-s, s]. The schrodinger equation is equal to a variational problem and we convert the variational problem to a non linear algebraic equations. From the solving of algebraic equation to get the eigen-states of schrodinger equation. We applied this method to one dimension nonlinear oscillator (V(x) = 1/2kxn, - < x < ) and to get the eigen-states of oscillator for various n. For n = 2, the oscillator is linear and there is an exact solution for its. The results for n = 2 demonstrate the validity of this solution.
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