مرور بر اساس عنوان
در حال نمایش موارد 94256 - 94275 از 823166
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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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$H(.,.,.,.)$-$varphi$-$eta$-cocoercive Operator with an Application to Variational Inclusions
(Semnan University, 2022-01-01)In this work, we study generalized $ H(.,.,.,.)$-$varphi$-$eta-$ cocoercive operator to find the solution of variational like inclusion involving an infinite family of set-valued mappings in semi-inner product spaces via ...
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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. index و هدایت ناصحیح پژوهش: نامه به سردبیر
(دانشگاه علوم پزشکی تهران, 2021-08-01)سردبیر محترم ایران بهعنوان کشوری در حال توسعه، قسمتی از پیشرفتهای علمی خود را در حوزه پزشکی و علوم سلامت مدیون فرصتهایی است که با همکاریهای بینالمللی، منطقهای و بین موسسات علمی بهدست آورده است. در واقع طی چند سال ...
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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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H.pylori associated with iron deficiency anemia even in celiac disease patients; strongly evidence based but weakly reflected in practice
(Tehran, Shahid Beheshti University of Medical Sciences; Research Institute for Digestive and Liver Diseases, 2015-07-30)Inflammation can lead to malabsorption of important micronutrients such as iron. Malabsorption and nutritional deficiency can be caused by a variety of pathological and environmental factors causing a range of other symptoms ...
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H/V Spectral Ratios Technique Application in the City of Bucharest: Can We Get Rid of Source Effect?
(Tehran, International Institute of Earthquake Engineering and Seismology, 2007-04-01)The main issue of this paper is to show that contrary to many examples of monitored strong earthquakes in different urban areas, the intensity and spectral characteristics of the strong ground motion induced in Bucharest ...
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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 Elimination and C-C Bond Cleavage of Propene: A Theoretical Research
(2014-04-01)Propene dissociation channels were characterized by ab initio CCSD(T)/6-311++g(d,p) calculations. Inthis work the detailed mechanism of propene dissociation to C2H4+CH2, C2H2+H+CH3, C2H2+CH4 andC3H3+H2+H have been investigated. ...