نتایج جستجو برای: central metaxylem

تعداد نتایج: 470250  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

امنیت انرژی به معنی عرضه مداوم و پایدار همراه با قیمت های معقول در حامل های انرژی، که تهدیدات امنیتی، سیاسی، اقتصادی، محیط زیستی و روانی را کاهش دهد. امروزه نفت و گاز تنها، کالای تجاری نیست بلکه بعنوان ابزار سیاسی مورد استفاده قرار می گیرد.اختلاف میان روسیه و اکراین بر سر انرژی در ژانویه 2006، تهدیدی برای امنیت انرژی اروپا ایجاد کرد. در این تحقیق ما تلاش کردیم که نقش انرژی آسیای میانه و قفقاز ر...

Journal: :journal of linear and topological algebra (jlta) 0
m hashemi university of guilan m polkouei university of guilan

in this paper, we consider the finitely 2-generated groups k(s,l) and g_m as follows:k(s,l) = ;g_m = and find the explicit formulas for the probability of having nth-roots for them. also weinvestigate integers n for which, these groups are n-central.

Journal: :مجله علوم اعصاب شفای خاتم 0
m gallus universitätsklinikum münster, institut für translationale neurologie, münster, germany p hundehege universitätsklinikum münster, institut für translationale neurologie, münster, germany p hundehege universitätsklinikum münster, institut für translationale neurologie, münster, germany m cerina universitätsklinikum münster, institut für translationale neurologie, münster, germany s.g meuth universitätsklinikum münster, institut für translationale neurologie, münster, germany

multiple sclerosis (ms) is an autoimmune disease of the central nervous system (cns) characterized by inflammatory and neurodegenerative processes. one of its pathophysiological hallmarks is demyelination, a consequence of oligodendroglial cell death leading supply shortfall and missing electrical insulation to axons. demyelination induced consequences on neuronal network activity and subsequen...

Journal: :journal of emergency practice and trauma 0
akbar fadaei haghi road traffic injury research center, emergency department, tabriz university of medical sciences, tabriz, iran rouya shokri road traffic injury research center, emergency department, tabriz university of medical sciences, tabriz, iran samad shams vahdati road traffic injury research center, emergency department, tabriz university of medical sciences, tabriz, iran farid eftekhar milani road traffic injury research center, emergency department, tabriz university of medical sciences, tabriz, iran shahrad tajoddini kerman neuroscience research center, kerman university of medical sciences, kerman, iran

abstract we report a 54-year-old woman with the history of end-stage renal disease (esrd) who was admitted to our hospital because of volume overload. due to long-term use of peripheral veins and arteriovenous fistula (avf) failure, central venous catheterization was the only choice for hemodialysis. she developed right upper extremiti’s pain and paresis during hemodialysis. a posteroanterior c...

Journal: :مجله علوم اعصاب شفای خاتم 0
hadi aligholi department of neuroscience, school of advanced medical sciences and technologies, shiraz university of medical sciences, shiraz, iran

neurotrauma is one of the main medical problems that affect considerable number of population especially young persons in all countries. neurotrauma not only is a serious threat for life but also creates various disabilities and consequently imposes large costs to society. following central nervous system (cns) injury, tissue damage occurs via primary and secondary mechanisms. despite many atte...

Journal: :international journal of group theory 2012
anitha thillaisundaram

a $p$-group $g$ is $p$-central if $g^{p}le z(g)$‎, ‎and $g$ is‎ ‎$p^{2}$-abelian if $(xy)^{p^{2}}=x^{p^{2}}y^{p^{2}}$ for all $x,yin‎ ‎g$‎. ‎we prove that for $g$ a finite $p^{2}$-abelian $p$-central ‎$p$-group‎, ‎excluding certain cases‎, ‎the order of $g$ divides the ‎order of $text{aut}(g)$‎.

Journal: :journal of dental materials and techniques 0
saeedeh khajeh ahmadi dental research center, department of oral and maxillofacial pathology, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) amin rahpeyma oral and maxillofacial diseases research center, department of oral and maxillofacial surgery, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

a 16-years-old female patient with painless swelling of the right side of mandible is described. she noticed the swelling from two years ago, without painful symptoms. axial ct imaging showed buccal expansion with intact buccal and lingual cortical bone. the report of incisional biopsy was central odontogenic fibroma. under general anesthesia the lesion was removed after ostectomy of buccal cor...

Journal: :anesthesiology and pain medicine 0
maryam soleimanpour road traffic injury research center, tabriz university of medical sciences, tabriz, iran farnad imani pain research center, iran university of medical sciences, tehran, iran saeid safari pain research center, iran university of medical sciences, tehran, iran sarvin sanaie tuberculosis and lung research center, tabriz university of medical sciences, tabriz, iran hassan soleimanpour road traffic injury research center, tabriz university of medical sciences, tabriz, iran hoorolnesa ameli students’ research committee, tabriz university of medical sciences, tabriz, iran

context patients with hepatic dysfunction suffer from many problems and associated complications in organs other than the liver. therefore, it is very important to investigate the effects of different drugs in the treatment of these patients. due to the high consumption of non-steroidal anti-inflammatory drugs (nsaids), studying the effects of these drugs in patients with hepatic dysfunction is...

Journal: :medical journal of islamic republic of iran 0
h hosseinzadeh from the department of pharmacodynamics and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, islamic republic of iran. t.w stone from the department of pharmacology, glasgow university, glasgow, scotland, u.k.

besides being a metabolite of nucleotides like atp, adenosine is a mediator of neuronal function in the central nervous system. its actions are mediated by at least three extracellular receptors. in this review different aspects of adenosine such as biosynthesis, release, inactivation and its receptors are discussed. it also covers pre- and postsynaptic effects as well as postreceptor mechanism...

Journal: :international journal of business and development studies 0

the purpose of this study is finding the sensitivity of central bank independence measurements on its impact on inflation in iran. to this aim different measurements of the central bank independence were calculated using the indices of grilli et al. (1991), cukierman et al. (1992), mathew (2006) and dumiter (2009) for the period 1961-2012 . although results of correlation between cbi index and ...

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