مرور بر اساس عنوان
در حال نمایش موارد 29354 - 29373 از 210909
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N uptake and yield of wheat as influenced by integrated use of organic and mineral nitrogen
(Gorgan University of Agricultural Sciences, 2009-07-01)The effect of integrated use of mineral and organic N sources (farmyard manure, poultry manure, and Filter Cake) on yield and N uptake of wheat were assessed in biennial field experiment carried out on silty clay loam soil ...
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$n$-Array Jacobson graphs
(Springer and the Iranian Mathematical Society (IMS), 2017-12-01)We generalize the notion of Jacobson graphs into $n$-array columns called $n$-array Jacobson graphs and determine their connectivities and diameters. Also, we will study forbidden structures of these graphs and determine ...
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The $n$-ary adding machine and solvable groups
(University of Isfahan, 2013-12-01)We describe under various conditions abelian subgroups of the automorphism group $mathrm{Aut}(T_{n})$ of the regular $n$-ary tree $T_{n}$, which are normalized by the $n$-ary adding machine $tau =(e, dots, e,tau )sigma ...
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$n$-cocoherent rings, $n$-cosemihereditary rings and $n$-V-rings
(Springer and the Iranian Mathematical Society (IMS), 2014-08-01)Let $R$ be a ring, and let $n, d$ be non-negative integers. A right $R$-module $M$ is called $(n, d)$-projective if $Ext^{d+1}_R(M, A)=0$ for every $n$-copresented right $R$-module $A$. $R$ is called right $n$-cocoherent ...
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$n$-cocoherent rings, $n$-cosemihereditary rings and $n$-V-rings
(Springer and the Iranian Mathematical Society (IMS), 2014-08-01)Let $R$ be a ring, and let $n, d$ be non-negative integers. A right $R$-module $M$ is called $(n, d)$-projective if $Ext^{d+1}_R(M, A)=0$ for every $n$-copresented right $R$-module $A$. $R$ is called right $n$-cocoherent ...
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N,N,N,N-Tetramethylguanidinium acetate as an efficient and reusable ionic liquid catalyst for the one-pot synthesis of dihydropyrrol-2-ones
(Ilam, Payame Noor University, 2017-04-01)An extremely facile and efficient procedure which has been developed for the synthesis of dihydropyrrol-2-ones. One-pot four-component reaction of amines, dialkyl acetylenedicarboxylates and formaldehyde in the presence ...
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N-(5-Mercapto-1,3,4-Thiadiazol-2-yl)-2-Phenylacetamide Derivatives: Synthesis and In-vitro Cytotoxicity Evaluation as Potential Anticancer Agents
(School of Pharmacy, Shahid Beheshti University of Medical Sciences, 2014-06-01)A new series of N-(5-Mercapto-1,3,4-thiadiazol-2-yl)-2-phenylacetamide derivatives (3a-3j) were synthesized via an amidation reaction using EDC and HOBt in acetonitrile solvent at room temperature condition. Chemical ...
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N-(5-Mercapto-1,3,4-Thiadiazol-2-yl)-2-Phenylacetamide Derivatives: Synthesis and In-vitro Cytotoxicity Evaluation as Potential Anticancer Agents
(School of Pharmacy, Shahid Beheshti University of Medical Sciences, 2014-06-01)A new series of N-(5-Mercapto-1,3,4-thiadiazol-2-yl)-2-phenylacetamide derivatives (3a-3j) were synthesized via an amidation reaction using EDC and HOBt in acetonitrile solvent at room temperature condition. Chemical ...
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N-acetylcysteine Treatment Protects Intestinal Mitochondria in a Surgical Stress Model
(Shiraz University of Medical Sciences, 2020-06-01)Surgery-associated small intestine damage is a clinical complication. It has been found that opening the abdominal cavity during surgery and manipulation of organs, including the intestine, could lead to intestinal barrier ...
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n-fold Obstinate Filters in Pseudo-Hoop Algebras
(Science and Research Branch, Islamic Azad University, Tehran, IranWebsite: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran.Email: ijim@srbiau.ac.ir Tel:+98(44)32721828 Fax:+98(44)32722660, 2020-04-01)In this paper, we introduce the concepts of n-fold obstinate pseudo-hoop and n-fold obstinate filter in pseudo-hoops. Then we investigated these notions and proved some properties of them. Also, we discussed the relationship ...
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n-fold Obstinate Filters in Pseudo-Hoop Algebras
(Science and Research Branch, Islamic Azad University, Tehran, IranWebsite: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran.Email: ijim@srbiau.ac.ir Tel:+98(44)32721828 Fax:+98(44)32722660, 2020-04-01)In this paper, we introduce the concepts of n-fold obstinate pseudo-hoop and n-fold obstinate filter in pseudo-hoops. Then we investigated these notions and proved some properties of them. Also, we discussed the relationship ...
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N-methyl pyridinium-p-toluene Sulfonate (NMPyTs) catalyzed synthesis of pyrano[2,3-c]pyrazoles
(Ilam, Payame Noor University, 2017-07-01)Abstarct:A simple one-pot synthesis of pyrano[ 2,3-c]pyrazoles was developed by a three-component reaction of various benzaldehydes, malononitrile and 1-phenyl or hydro-3-methyl-1H-pyrazol-5(4H)-one in the presence of ...
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N-myc downstream regulated gene 2 overexpression reduces matrix metalloproteinase-2 and -9 activities and cell invasion of A549 lung cancer cell line in vitro
(Mashhad University of Medical Sciences, 2015-08-01)Objective(s):N-myc downstream regulated gene 2 (NDRG2) is a candidate gene for tumor suppression. The expression of NDRG2 is down-regulated in several tumors including lung cancer. The aim of this study was to explore the ...
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N-Phenyl-2-p-tolylthiazole-4-carboxamide derivatives: Syn-thesis and cytotoxicity evaluation as anticancer agents
(Mashhad University of Medical Sciences, 2014-07-01)Objective(s):According to the prevalence of neoplastic diseases, there is a deep necessity for discovery of novel anticancer drugs in the field of medicinal chemistry. In the current study, a new series ofphenylthiazole ...
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N-phenylaza-15-crown-5 as Ionophore in PVC-Matrix for Fe2+ - Selective Sensor
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2005-02-01)The preparation of polymer membrane selective to Iron(II) ion and its application to ion-selectiveelectrode is reported here. PVC membrane contains Iron–selective N-phenylaza-15-crown-5 asionophore. The membrane electrode ...
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N-Policy for M/G/1 Machine Repair Model with Mixed Standby Components, Degraded Failure and Bernoulli Feedback
(Materials and Energy Research Center, 2004-10-01)In this paper, we study N-policy for a finite population Bernoulli feedback queueing model for machine repair problem with degraded failure. The running times of the machines between breakdowns have an exponential distribution. ...