نتایج جستجو برای: stability against fluctuations

تعداد نتایج: 907548  

2004
Anita Mehta

When a sandpile relaxes under vibration, it is known that its measured angle of repose is bistable in a range of values bounded by a material-dependent maximal angle of stability; thus, at the same angle of repose, a sandpile can be stationary or avalanching, depending on its history. In the nearly jammed slow dynamical regime, sandpile collapse to a zero angle of repose can also occur, as a ra...

2004
Anita Mehta

When a sandpile relaxes under vibration, it is known that its measured angle of repose is bistable in a range of values bounded by a material-dependent maximal angle of stability; thus, at the same angle of repose, a sandpile can be stationary or avalanching, depending on its history. In the nearly jammed slow dynamical regime, sandpile collapse to a zero angle of repose can also occur, as a ra...

Journal: :SHS web of conferences 2021

Due to the sufficient openness of Russian air transportation market, such factors as demand and investment activity, exchange rate fluctuations, economic sanctions against large companies other unfavorable conditions lead a slowdown (sometimes decrease) in sales growth companies, weakening their position financial stability. In this regard, it is necessary study opportunities for achieving sust...

Journal: :PLoS Biology 2005
Paul Miller Anatol M Zhabotinsky John E Lisman Xiao-Jing Wang

Molecular switches have been implicated in the storage of information in biological systems. For small structures such as synapses, these switches are composed of only a few molecules and stochastic fluctuations are therefore of importance. Such fluctuations could potentially lead to spontaneous switch reset that would limit the lifetime of information storage. We have analyzed a model of the c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم 1391

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

2014
Wonbae Lee Peter H. von Hippel Andrew H. Marcus

DNA constructs labeled with cyanine fluorescent dyes are important substrates for single-molecule (sm) studies of the functional activity of protein-DNA complexes. We previously studied the local DNA backbone fluctuations of replication fork and primer-template DNA constructs labeled with Cy3/Cy5 donor-acceptor Förster resonance energy transfer (FRET) chromophore pairs and showed that, contrary...

Background: Enzyme engineering by immobilization techniques has proven to be well compatible with the other chemical or biological approaches aiming to improve enzyme’s functions and stability. Zeolites are porous alumino-silicates with a wide range of porosity and particle size along with the other remarkable properties such as high surface area, high stability against a wide range temperature...

Journal: :Çukurova üniversitesi sosyal bilimler enstitüsü dergisi 2021

The Central Bank of the Republic Turkey (CBRT)’s main target was price stability until 2008 global crisis, it also focused on financial in post-crisis period. CBRT has implemented new monetary policies that would react against shocks apart from traditional practices to limit negative effects crisis since end 2010. aim this study is analyze effectiveness transmission channels by CBRT, comparing ...

Journal: :Biophysical journal 2001
B Speelman B R Brooks C B Post

The human rhinovirus 14 (HRV14) protomer, with or without the antiviral compound WIN 52084s, was simulated using molecular dynamics and rotational symmetry boundary conditions to model the effect of the entire icosahedral capsid. The protein asymmetrical unit, comprising four capsid proteins (VP1, VP2, VP3, and VP4) and two calcium ions, was solvated both on the exterior and the interior to fil...

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