مرور بر اساس عنوان
در حال نمایش موارد 202312 - 202331 از 823166
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X-Linked Lissencephaly with Absent Corpus Callosum and Ambiguous Genitalia: A Case Report
(Mashhad University of Medical Sciences, 2016-03-01)Background: X-linked lissencephaly with ambiguous genitalia (XLAG) is a recently described genetic disorder, in which patients present with lissencephaly, agenesis of the corpus ...
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X-Ray Beam Segment Size and Entrance Location Effects on the Integral Quality Monitor (IQM®) Signal and Usefulness in Predicting Complex Segment Output Signals
(Shiraz University of Medical Sciences, 2020-08-01)Background: The Integral Quality Monitor (IQM®) is an independent online dosimetry device attached to the treatment machine to monitor the accuracy of radiation delivery. Objective: This study investigates the influence ...
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X-ray Charge-Dens Study of 5-Chloro-8-hydroxy-6-methyloaphthalene-l.4-dione: A Hydroxynaphthoquinone Derivative
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2010-08-01)The X-ray charge density analysis of a hydroxynaphthoquinnne derivative was obtained by multipolar Hansen-Coppens formalism refinement through high resolution X-ray diffraction data at 100(1) K. The molecular
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X-Ray Crystal Structure of [N, N'-bis(4-Methoxysalicylidene) -2, 3-Dimethylaminopropane] Copper(II) Ethanol Solvate
(2010-09-01)The crystal structure of the title Schiff base complex is obtained by single-crystal X-ray diffraction data.The solid state structure determination reveals that the coordination geometry around the copper(II) center ...
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X-ray Diffraction Analysis of ProRoot Mineral Trioxide Aggregate Hydrated at Different pH Values
(Tehran, Shahid Beheshti University of Medical Sciences, 2016-03-24)Introduction: The aim of this study was to compare the chemical compounds of white ProRoot mineral trioxide aggregate (WMTA) hydrated at different pH environments. Methods and Materials: Mixed samples of WMTA were kept in ...
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X-ray Diffraction and SEM Studies on the Effect of Temperature on the Formation of Main Phase Sr2MgSi2O7 Using a Wet and Dry Method for its Preparation
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2005-12-01)A pure Silicate host namely Sr2MgSi2O7 as a support for a long-lasting afterglow when dopped with rare-earth elements was sought after. To this end the process of obtaining firing ...
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X-ray diffraction peak profile analysis of maraged Fe-Ni-Mn steels
(Iron & Steel Society of Iranانجمن آهن و فولاد ایران, 2010-12-01)X-ray diffraction peak profile analysis was used to identify changes in the lattice distortions during isothermal aging of Fe-10Ni-7Mn (wt. %) maraging steel. Integral peak breadths were analyzed using classical Williamson-Hall ...
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X-Ray in-situ saturation monitoring, an aid to study relative permeability in water-wet carbonate rocks
(Tehran, University of Tehran Press, 2012-07-01)The simultaneous flow of oil and water in porous media is described by relative permeability curves, mainly derived from laboratory experiments. Relative permeability is of paramount importance in predicting reservoir ...
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X-Ray mapping and the mineralogy pattern of nickel laterite ore: Bavanat, Fars, Iran
(Shahrood University of Technology, 2019-07-01)According to the classification of the nickel laterite, this paper describes mineralogy test is to reveal where valuable elements are located in the ore, in which mineralogical form. The purpose of the sieving test was to ...
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X-Ray Microanalysis of Calcium Signal Transduction as a Defense Response in Spring Wheat to the Stripe Rust Disease Caused by Puccinia striiformis f. sp. tritici
(Tehran, Tarbiat Modarres University, 2004-02-01)In this investigation levels of calcium were measured on the flag leaves of the suscepti-ble spring wheat cultivar Thatcher and its near-isogenic line that has Yr-18 gene-mediated durable adult-plant resistance (APR ). The ...
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X-ray peak broadening analysis in LaMnO3+δ nano-particles with rhombohedral crystal structure
(Islamic Azad University Najafabad Branch, 2015-09-01)In this work, structural and magnetic properties of LaMnO3+δ compound prepared by citrate precursor method and annealed in presence of oxygen are investigated. The structural characterization of LaMnO3+δ by X-ray powder ...
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X-ray radiation and the risk of multiple sclerosis: Do the site and dose of exposure matter?
(Tehran, Iran University of Medical Sciences, 2014-01-01)Background: The sporadic cases of radiation-activated multiple sclerosis (MS) has been previously described, with a few studies focused on the relationship between radiation and the risk of MS. The aim of our study was ...
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The X-ray Repair Cross-Complementing Group 1 Arg399Gln Genetic Polymorphism and Risk of Hepatocellular Carcinoma in an Iranian Population
(Tehran, Iranian Association of Digestive and Liver Diseases, 2018-01-24)BACKGROUND: The association between X-ray repair cross-complementing group 1 (XRCC1) Arg399Gln gene polymorphism and hepatocellular carcinoma (HCC) has been investigated in several populations. However, the findings are ...
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X-Ray Repair Cross-Complementing Group 1(XRCC1) Genetic Polymorphisms and Thyroid Carcinoma Risk: a Meta-Analysis
(West Asia Organization for Cancer Prevention (WAOCP), 2012-12-01)A number of studies have been conducted to explore the association of XRCC1 polymorphisms with thyroidcancer risk, but the results have been inconsistent. Thus we performed the present meta-analysis to clarify thisissue ...
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X-ray spectra calculation for different target-filter of mammograms using MCNP Code
(Tehran, Novin Medical Radiation Institute, 2005-12-01)ABSTRACTBackground: An electron beam generated X-ray spectrum consists of characteristic X-ray and continuous bermsstrahlung. The aim of this research is calculating and comparing X-ray spectra for different target filter ...
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The X-ray Transform and its Application in Nano Crystallography
(Marvdasht, Islamic Azad University of Marvdasht Branch, 2017-05-01)In this article a review on the definition of the X- ray transform and some ofits applications in Nano crystallography is presented. We shall show that the X- raytransform is a special case of the Radon transform on ...
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X-Ray, Crystal Structure and Solution Phase Studies of a Polymeric SrII Compound
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2011-12-01)In the crystal structure of the title polymeric compound, [C42H38N6O33Sr5.2(H2O)]n, five independent metal atoms (Sr1-Sr5) have different ...
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X-Shaped Thallium oxide nanostructures as a high performance photocatalyst for degradation of Cephalexin
(Iranian Research Organization for Science and Technology, 2019-08-01)In this study, we present an approach to synthesize Tl2O3 nanoparticles using a simple co-precipitation method that leads to the formation of X-shaped particles. The sample was characterized by XRD ...
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Xanthatin Induces Leishmanicidal Activity by Affecting Carbon Metabolism in Amastigotes
(School of Pharmacy, Shahid Beheshti University of Medical Sciences, 2021-12-01)Cutaneous leishmaniasis is caused by protozoa of the genus Leishmania and spread by sandflies. The standard therapy for this ailment is the first-line medication of pentavalent antimonial and the second drug line of ...
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Xanthogalerucella luteola (Col.: Chrysomelidae) α-amylase affected by seed proteinaceous extract from datura, wild oat and amaranth seeds
(Tehran, Tarbiat Modares University, 2016-06-01)The elm leaf beetle, Xanthogalerucella luteola (Muller) (Col.: Chrysomelidae) is a serious pest of elm trees and it has been distributed all over the world. The current study was undertaken to investigate the inhibitory ...
