Volume 37, Issue 1
مرور بر اساس
ارسال های اخیر
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Heteroalkyl oxime derivative can cause damage to bacterial DNA
(Springer, 2013-03-01)The present study aimed to evaluate the antimicrobial activity of a hetroalkyl oximec synthetic compoundderivative (Benzophenone O-4-bromoethyl oxime) against two gram positive and three gram negative bacteria.The antibacterial ...
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Analytical approximate solutions of fractionel convection-diffusion equation with modified Riemann-Liouville derivative by means of fractional variational iteration method
(Springer, 2013-03-01)In this article, an analytical approximate solution of nonlinear fractional convection-diffusion with modifiedRiemann-Liouville derivative was obtained with the help of fractional variational iteration method (FVIM). A ...
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The response of anther and pollen development, pollen cellular material release and pollen proteins to air pollution in Petunia hybrida Juss. (Solanaceae)
(Springer, 2013-03-01)The study aimed to investigate the microsporogenesis, tapetum and pollen development in Petunia hybrida Juss.under control and air pollution condition. The connective shows a well-developed placentoid, giving thesporogenous ...
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Simultaneous control of linear systems by Genetic Algorithms in state and output feedback
(Springer, 2013-03-01)In this paper, Genetic Algorithms (GAs) are employed to control simultaneous linear systems in both state and output feedback. First, the similarity transformation is applied to obtain parameterized controllers. This ...
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4-Dodecylbenzenesulfonic acid (DBSA) as an efficient and recyclable catalyst for synthesis of 14-aryl- and 14-alkyl-14-H-dibenzo [a,j]xanthenes under solvent-free conditions
(Springer, 2013-03-01)14-Aryl- and 14-alkyl-14-H-dibenzo [a,j]xanthenes are prepared from the reaction of aromatic- and aliphaticaldehydes with β-naphthol in the presence of catalytic amounts of 4-dodecylbenzenesulfonic acid(DBSA) as asurfactant-type ...
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A study on Chironomid larvae (Insecta- Diptera) of Golpayegan River (Isfahan-Iran) at generic level
(Springer, 2013-03-01)Little is known about Chironomidae in Iran. This article is the second one on chironomid larval identification in running waters of Iran. Samples were collected from five sites in the Golpayegan River, (Isfahan-Iran), ...
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Geometrical Categories of Generalized Lie Groups and Lie Group-Groupoids
(Springer, 2013-03-01)In this paper we construct the category of coverings of fundamental generalized Lie group-groupoid associatedwith a connected generalized Lie group. We show that this category is equivalent to the category of coverings of ...
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Chebyshev cardinal functions: An effective tool for solving nonlinear Volterra and Fredholm integro-differential equations of fractional order
(Springer, 2013-03-01)A computational method for numerical solution of a nonlinear Volterra and Fredholm integro-differentialequations of fractional order based on Chebyshev cardinal functions is introduced. The Chebyshev cardinaloperational ...
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Hydrothermal garnet in porphyry copper related skarn deposits, Ali-Abad, Yazd Province, Iran
(Springer, 2013-03-01)The Ali-Abad porphyry copper deposit is located in the Central Iranian magmatic belt. As a result of subduction magmatism, Oligo-Miocene leucogranitoid rocks have intruded into conglomerates of lower Cretaceous age. Due ...
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Calculation of exposure buildup factors for point isotropic gamma ray sources in stratified spherical shields of water surrounded by lead and optimization of water-lead combination
(Springer, 2013-03-01)Exposure buildup factors have been calculated by Monte Carlo method for point isotropic gamma ray sources, penetrating a two-layer spherical shield of water surrounded by lead, and the effect of bremsstrahlung radiation ...
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In vitro antioxidant and antimicrobial activity of some Lamiaceae species
(Springer, 2013-03-01)The methanolic extracts, infusions, decoctions and hydrosols of six plants were investigated for their total phenolic contents, antioxidant and antimicrobial activities: Mentha piperita (Peppermint), Thymus vulgaris ...
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Solution of time fractional diffusion equations using a semi-discrete scheme and collocation method based on Chebyshev polynomials
(Springer, 2013-03-01)In this paper, a new numerical method for solving time-fractional diffusion equations is introduced. For this purpose, finite difference scheme for discretization in time and Chebyshev collocation method is applied. Also, ...
