Results 81 to 90 of about 42,969 (194)

Maps preserving the spectrum of certain products of operators [PDF]

open access: yes, 2013
Let H be a complex Hilbert space, B(H) and S(H) be the spaces of all bounded operators and all self-adjoint operators on H, respectively. We give the concrete forms of the maps on B(H) and also S(H) which preserve the spectrum of certain products of ...
Hosseinzadeh, Roja, Taghavi, Ali
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FAVISM IN MAZANDARAN, NORTH OF IRAN

open access: yesIranian Journal of Public Health, 1997
Favism is an acute hemolytic anemia which occurs in people who have (G6PD deficiency. In Iran G6PD deficiency is prevalent in the coast of Caspian Sea. The main aim of our study was to investigate the prevalence of Favism in Mazandaran province in north of Iran.
openaire   +1 more source

The effect of intravenous vitamin C on the phosphorus level reduction in hemodialysis patients: A double blind randomized clinical trial [PDF]

open access: yes, 2012
Aim The majority of hemodialysis patients are hyperphosphate-mic. Hyperphosphatemia in these patients can lead to renal oste-odystrophy, vascular calcifcation, cardiovascular events, and is independently associated with mortality risk.
Aarabi, M.   +3 more
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Identifying and Prioritizing Factors Affecting the Prosperity of Rice Production Business in Mazandaran Province with the View of Sustainable Rural Employment [PDF]

open access: yesراهبردهای کارآفرینی در کشاورزی
Extended Abstract Background: The inadequacy of the supply of agricultural inputs with the demand for various products of this sector reveals the need for the optimal use of resources and increasing productivity.
somayeh Shirzadi Laskookalayeh
doaj  

Comparison of photocatalytic systems including silver and titanium dioxide nanoparticles efficiencies for the E. coli removal from drinking water [PDF]

open access: yes, 2015
The removal and destruction of organic contaminants in groundwater can be addressed through the impregnation of adsorbents with photoactive catalysts. In this paper removal trend of E.
Alipourtomaj, O.   +5 more
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Matter Infall in Collapsing Molecular Cloud Cores with an Axial Magnetic Field

open access: yes, 2011
The magnetic fields affect collapse of molecular cloud cores. Here, we consider a collapsing core with an axial magnetic field and investigate its effect on infall of matter and formation of accretion disk.
Nejad-Asghar, Mohsen
core   +1 more source

A Multidimensional Perspective on Promoting and Inhibiting Factors of Fertility in Mazandaran Province [PDF]

open access: yesJournal of Mazandaran University of Medical Sciences
Background and purpose: In recent years, the significant decline in fertility rates has emerged as one of the most critical demographic challenges in the country. This trend may result in wide-ranging consequences across economic, social, and macro-level
Marzieh Zamaniyan   +4 more
doaj  

Scale insect (Hemiptera: Coccoidea) fauna of the southern coast of Caspian Sea (Golestan, Mazandaran and Gilan provinces, Iran) [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2010
In this study, 58 scale insects are recorded from Gilan, Mazandaran and Golestan Provinces, Iran. They belong to five families: Asterolecanidae, Coccidae, Diaspididae, Eriococcidae and Pseudococcidae. The general characters and identification keys to the
M. Moghaddam
doaj  

Comparing Different Control Methods of Bedbugs (Cimex lectularius) in Prisons in Mazandaran Province, 2018

open access: yesJournal of Mazandaran University of Medical Sciences, 2021
Background and purpose: Control of bedbugs (Cimex lectularius) as important human pests often fails in places where people live in aggregation such as prisons. The aim of this study was to compare the effectiveness of various methods of bedbug control in
Seyed Hassan Nikookar   +5 more
doaj  

The effect of Urtica dioica extract on the number of astrocytes in the dentate gyrus of diabetic rats [PDF]

open access: yes, 2009
Diabetes mellitus is associated with cerebral alterations in both human and animal models of the disease. These alterations include abnormal expression of hypothalamic neuropeptides and hippocampal astrogliosis.
Afshar, M.   +2 more
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