مرور بر اساس عنوان
در حال نمایش موارد 64123 - 64142 از 639154
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h index، شاخصی نوین برای ارزیابی بازده علمی یک محقق
(سازمان کتابخانهها، موزهها و مرکز اسناد آستان قدس رضویCentral Library of Astan Quds Razavi, 2008-09-22)چکیده Jorge E. Hirsch در سال 2005 میلادی، شاخصی را با عنوان h index ابداع کرده است که به وسیلة آن، بازده علمی دانشمندان و محققان، با ...
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H Syndrome Masquerade as Rheumatologic Disease
(Mashhad University of Medical Sciences, 2018-07-01)Background H syndrome is an autosomal recessive genodermatosis with a low prevalence which is caused by a mutation in SLC29A3 gene. This disorder is characterized ...
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H"{o}lder summability method of fuzzy numbers and a Tauberian theorem
(University of Sistan and Baluchestan, 2014-08-01)In this paper we establish a Tauberian condition under which convergence follows from H"{o}lder summability of sequences of fuzzy numbers.
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$H$-kernels by walks in subdivision digraph
(University of Isfahan, 2020-06-01)Let $H$ be a digraph possibly with loops and $D$ a digraph without loops whose arcs are colored with the vertices of $H$ ($D$ is said to be an $H$-colored digraph). A directed walk $W$ in $D$ is said to be an $H$-walk ...
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$H$-supplemented modules and singularity
(Yazd University, 2020-02-01)Let $M$ be a module over a ring $R$. We call $M$,$delta$-$H$-supplemented provided for every submodule $N$ of $M$ there is a direct summand $D$ of $M$ such that $M=N+X$ if and only if $M=D+X$ for every submodule $X$ of $M$ ...
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H$^*$-condition on the set of submodules of a module
(Yazd University, 2019-11-01)In this work, we introduce $H^*$-condition on the set of submodules of a module. Let $M$ be a module. We say $M$ satisfies $H^*$ provided that for every submodule $N$ of $M$, there is a direct summand$D$ of $M$ such ...
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H-BwoaSvm: A Hybrid Model for Classification and Feature Selection of Mammography Screening Behavior Data
(Shahrood University of Technology, 2020-04-01)Breast cancer is one of the most common cancer in the world. Early detection of cancers cause significantly reduce in morbidity rate and treatment costs. Mammography is a known effective diagnosis method of breast cancer. ...
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H-imidazolium Acidic Ionic Liquids as Efficient Catalysts in the Synthesis of Xanthenes under Solvent-Free Conditions
(University of Mazandaran, 2014-10-01)Bifunctional acidic ionic liquids, having both H-imidazolium and -SO3H groups as cation moieties (H-BFAILs) and CF3SO3- as anion, were synthesized in high yields. These ...
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H-mordenite zeolite as an efficient, rapid and recyclable catalyst for chemoselective synthesis of 1,1-diacetates under solvent-free conditions
(Sami Publishing Company, 2017-07-01)In this investigation H-Mordenite Zeolite has been shown to be an efficient, rapid, green, stable, Chemoselective and recyclable catalyst for the synthesis of 1, 1- diacetates (acylals) of various aromatic aldehydes under ...
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H. pylori Infection and Colorectal Cancers by Anatomical Locations
(West Asia Organization for Cancer Prevention (WAOCP), 2020-08-01)Background: H. pylori infection may play a role in the development of colorectal cancers (CRC). We aimed to examine the association between H. pylori infection and the risk of CRC by anatomical locations. Methods: We ...
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H1299R in coagulation Factor V and Glu429Ala in MTHFR genes in recurrent pregnancy loss in Sari, Mazandaran
(Yazd, Yazdresearch and Clinical Center for Infertility, Shahid Sadoughi University of medical Sciences, Yazd, Iran, 2016-05-01)Background: Recurrent pregnancy loss (RPL) is caused by different factors, including genetics and thrombophilia. Beside Factor V Leiden, another nucleotide change in a factor V (FV) gene (A4070G; His1299Arg) has been ...
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H19/Igf2 Expression and Methylation of Histone 3 in Mice Chimeric Blastocysts
(Mashhad, Center of Medical Sciences, Varastegan Education ,Mashhad, 2020-10-01)Background: Currently, the efficient production of chimeric mice and their survival are still challenging. Recent researches have indicated that preimplantation embryo culture media and manipulation lead to abnormal ...
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H2-EB1 Molecule Alleviates Allergic Rhinitis Symptoms of H2-Eb1 Knockout Mice
(Shiraz Institute for Cancer Research, 2015-12-01)Background: H2-EB1 molecule which is the homolog of Human HLA-DRB1 is proposed to be associated with allergic rhinitis (AR). Construction of H2-Eb1 ...
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H2O2 Inhibits Proliferation and Mediates Suppression of Migration via DLC1/RhoA Signaling in Cancer Cells
(West Asia Organization for Cancer Prevention (WAOCP), 2015-04-01)Background: RhoGTPase-activating proteins (RhoGAPs) regulate RhoGTPases in cells, but whetherindividual reactive oxygen species (ROS) regulate RhoGAPs is unknown. Our previous published papers haveshown that deleted ...
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H2O2 Oxidation of Pre-Coagulated Semi Aerobic Leachate
(University of Tehran/Springer, 2010-04-01)Heavily polluted wastewater from sanitary landfill presents the leachate characteristics that need special treatment and disposal. Concentration of chemical oxygen demand (COD), ammonia nitrogen (NH3-N), heavy metal and ...
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H2O2-based Green Corrosion Route to ZnO Microrods Photocatalysts on Zn Plate
(University of Kashan, 2017-01-01)Single crystal ZnO microrods are deposited on the surface of Zn plate through corrosion of Zn plate by H2O2 which is a green neutral reagent and easy to transform to H2O and O2. The structure and morphology of the obtained ...
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H2S Removal Using ZnO/SBA-3: New Synthesis Route and Optimization of Process Parameters
(Sharif University of Technology, 2017-12-01)H2S is a major toxic compound that could be found in air, water, Fossil fuels and causes some worse effects such as acidic rain and corrosion. In the present work SBA-3 (Santa BarbarA University no. 3) with three different ...
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H3PW12O40 and Nano-sized Titania Supported on Urea Formaldehyde Resin for Photo catalytic Decolorization of Dye Pollutants in Aqueous Solution
(Islamic Azad University, Karaj branch, 2018-12-01)In this work, H3PW12O40 (PPT) and nano-sized titania supported on urea formaldehyde (UF) resinwas prepared via an impregnation method. The prepared sample was characterized by X-raydiffraction (XRD), UV-Vis ...
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H3PW12O40 as an efficient catalyst for one-pot- tricomponent synthesis of chromeno[4,3-b]quinolones under microwave irradiation
(Ilam, Payame Noor University, 2017-07-01)Some Chromeno[4,3-b]quinoline derivatives were synthesized in a tricomponents one-pot reaction of 1,3-cyclohexadione arylaldehydes and 4-aminocoumarin under Microwave irradiation in the solventless system by using a ...
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H3PW12O40/SiO2: an efficient, reusable and eco-friendly catalyst for the synthesis of 1,1-diacetates at room temperature
(Islamic Azad University of Qaemshahr, 2011-05-01)