نتایج جستجو برای: tricyclic graphs

تعداد نتایج: 101153  

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ریاضی و کامپیوتر 1390

همچنین با استفاده از نتیجه های به دست آمده الگوریتم هایی برای امتحان یکتایی رنگ پذیری ارائه داده شد. به عنوان یک کاربرد، مثال نقضی را برای حدس ژو، مربوط به ‎3-‎رنگ پذیری یکتای گراف های بدون مثلث بررسی می کنیم ‎ایده ی اصلی این پایان نامه از مقاله ‎‎c‎. ‎hillar‎, ‎t‎. ‎windfeldt‎, ‎it algebraic characterization of uniquely vertex colorable graphs, ‎j‎. ‎combin‎. ‎theory ser‎. ‎b 98 (2008) 400...

Journal: :British medical journal 1973
R H Briant J L Reid C T Dollery

Interaction between the tricyclic antidepressant desipramine and the antihypertensive agent clonidine has been investigated in five hypertensive patients in a double-blind placebo controlled study. Introduction of the tricyclic antidepressant led to loss of blood pressure control in four of the patients. The average blood pressure rise in the desipramine period compared with the placebo period ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - پژوهشکده علوم 1393

در این پایان نامه دو مقاله زیر بررسی شده اند، که اولی در مورد رنگ آمیزی موقعیت یاب و عدد رنگی موقعیت یاب گراف ها است و دیگری همه ی درخت های با عدد رنگی موقعیت یابی 3 را مشخص می کند. همچنین در این پایان نامه عدد رنگی موقعیت یاب گراف های مسیر، دور، کامل، دوبخشی، ستاره ها، درخت های دو ستاره و کاترپیلارها را مشخص می کند.

Journal: :journal of linear and topological algebra (jlta) 0
f ramezani department of basic science , imam khomeini international university, qazvin, iran. e vatandoost department of basic science , imam khomeini international university, qazvin, iran.

‎‎let r be a non-commutative ring with unity‎. ‎the commuting graph‎ ‎of $r$ denoted by $gamma(r)$‎, ‎is a graph with a vertex set‎ ‎$rsetminus z(r)$ and two vertices $a$ and $b$ are adjacent if and only if‎ ‎$ab=ba$‎. ‎in this paper‎, ‎we investigate non-commutative rings with unity of order $p^n$ where $p$ is prime and $n in lbrace 4,5 rbrace$‎. it is shown that‎, ‎$gamma(r)$ is the disjoint ...

Journal: :Macromolecules 2021

This study is the first quantitative synchrotron grazing incidence X-ray scattering investigation of nanoscale film morphologies tricyclic block copolymers based on poly(n-decyl glycidyl ether) ...

Journal: :European Journal of Organic Chemistry 2021

An oxidative NHC-catalyzed synthesis of tricyclic dihydropyranones with three contiguous stereocenters has been developed. Studies the mechanism suggest that rate-determining step is Breslow intermediate formation.

Journal: :The Journal of emergency medicine 1988
G F Tokarski M J Young

Several investigators have recently developed guidelines for determining which patients with tricyclic antidepressant overdose should be hospitalized. The width of the QRS complex on the ECG and several clinical parameters have been proposed to identify patients at risk for major complications. To validate these, we developed an algorithm and then applied it to 45 patients who had overdosed on ...

2018
Matthew King Nauman Ashraf

The tricyclic antidepressants, while older, still have their place in the treatment of depression today. They are efficacious but less selective and thus have the potential of eliciting many side effects. Anticholinergic delirium is a potential complication when using a tricyclic antidepressant or other anticholinergic agent. Following the Naranjo algorithm, this case report describes a probabl...

2016
Hassan Amiri Nasim Zamani Hossein Hassanian-Moghaddam Shahin Shadnia

Poisoning with tricyclic antidepressants is an important cause of drug-related self-poisoning in the developed world and a very common cause of poisoning and mortality in developing countries. Electrocardiographic manifestations of most tricyclic antidepressant-poisoned patients resolve by the administration of 1-2 mEq/kg of sodium bicarbonate. Some rare cases have been reported who have been r...

Journal: :British Journal of Psychiatry 1993

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