نتایج جستجو برای: boltzman equation

تعداد نتایج: 229794  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم ریاضی 1393

برگروه لی‎$ g=so_{0}(n,1) $‎، یک متریک ناوردای چپ تعریف می شود که از فرم کیلینگ-کارتان بدست می آید. زیرگروه فشرده همبند بیشین آن عبارت است از ‎$ so(n)=so(n) imeslbrace 1 brace $‎که با‎$ k $‎ نمایش می دهیم.گروه طولپایی های‎$ g $‎ عبارت است از ‎egin{equation*}‎ ‎isom_{0}(g)=g imes k‎, ‎end{equation*}‎ یعنی ضرب چپ توسط عضو های‎$ g $‎ و ضرب راست توسط عضو های ‎$ k $.‎ بنابراین، دو عمل برای ‎$ k...

Journal: :bulletin of the iranian mathematical society 2011
j. l. bona h. chen s. m. sun b.-y. zhang

Journal: :IEEE Access 2021

This article is oriented to the research of vehicle-mounted intelligent traditional Chinese medicine (TCM) syndrome differentiation system provide a quick and accurate diagnosis suggestion for smart mobile medical vehicles. Nowadays, TCM modernization has attached more attention due its remarkable clinical effect. The typical process induces types patient from four-diagnosis symptoms based on t...

Journal: :IEEE Trans. Multi-Scale Computing Systems 2015
Soham Jayesh Desai Mohammed Shoaib Arijit Raychowdhury

The Internet of Things (IoTs) has triggered rapid advances in sensors, surveillance devices, wearables and body area networks with advanced Human-Computer Interfaces (HCI). One such application area is the adoption of Body-Worn Cameras (BWCs) by law enforcement officials. The need to be ‘always-on’ puts heavy constraints on battery usage in these camera front-ends thus limiting their widespread...

Journal: :journal of chemical and petroleum engineering 2012
peyman pourafshary monir taherkhani

diffusivity equation commonly used for pressure distribution prediction in porous media results from substituting equation of state and continuity equation in navier-stokes momentum equation. from mathematical point of view this equation format shows infinite propagation speed for pressure pulse through porous media, which is physically impossible. this issue may caused by numerous assumptions ...

In this paper, we intend to solve special kind of ordinary differential equations which is called Heun equations, by converting to a corresponding stochastic differential equation(S.D.E.). So, we construct a stochastic linear equation system from this equation which its solution is based on computing fundamental matrix of this system and then, this S.D.E. is solved by numerically methods. Moreo...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده مهندسی شیمی 1393

چکیده: آنچه که در این تحقیق به آن پرداخته خواهد شد ، حل معادلاتِ دینامیکِ سیالات هادی جریان الکتریکی(mhd equation) برروی استوانه ای از جنس غشای نفوذپذیر، در حضور میدان مغناطیسی همراه با انتقال جرم می باشد.پس معادلات انتقال جرم و (mhd) را در مختصات استوانه ای استخراج کرده و حل تشابهی برای آنها انجام می دهیم. برای استخراج و حل معادلات مذکور فیزیک مساله را درنظر می گیریم ، که استوانه ای است از جنس ...

Journal: :international journal of nonlinear analysis and applications 2012
y. j. cho c. park m. eshaghi gordji

won{gil park [won{gil park, j. math. anal. appl., 376 (1) (2011) 193{202] proved the hyers{ulam stability of the cauchy functional equation, the jensen functional equation and the quadraticfunctional equation in 2{banach spaces. one can easily see that all results of this paper are incorrect.hence the control functions in all theorems of this paper are not correct. in this paper, we correctthes...

1997
Xue-Qian Li Zhijian Tao

We demonstrate that if the universe is dominated by the massive cold dark matter, then besides the generally believed thermal distribution of the dark matter relics, there may exist some very energetic non-thermal relics of the dark matter particles in the universe from some unknown sources, such as from decay of supermassive X particle released from topological defect collapse or annihilation....

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