نتایج جستجو برای: kinetic coefficients

تعداد نتایج: 189944  

Journal: :The Astrophysical Journal 2022

A major uncertainty in understanding the transport and feedback of cosmic-rays (CRs) within beyond our Galaxy lies unknown CR scattering rates, which are primarily determined by wave-particle interaction at microscopic gyro-resonant scales. The source waves for bulk population is believed to be self-driven streaming instability (CRSI), resulting from CRs downward a pressure gradient. While bala...

This paper presents the influence of Hybrane H 1500 as a hyperbranched polymer on kinetic parameters of dyeing compounded fiber grade PET polyethylene terephthalate at boil temperature. C.I. Disperse Red 324 as a disperse dye was used for dyeing compounded fiber grade PET. The result was compared with corresponding properties of virgin PET. The dyeing rate constants and diffusion coefficients a...

2014
Giovanni A. Longo Giovanni A. LONGO

This paper presents the heat transfer coefficients and the pressure drop measured during HC-600a (Isobutane) condensation inside a brazed plate heat exchanger: the effects of saturation temperature, refrigerant mass flux and vapour super-heating are investigated. The heat transfer coefficients show weak sensitivity to saturation temperature and great sensitivity to refrigerant mass flux. At low...

Journal: :journal of physical & theoretical chemistry 2013
f. falaki a. fakhri

methyl orange is one dye resulted from the textile industry. the aim of this study is to test theadsorption capacity of nickel oxide nanoparticles for removing the methyl orange from aqueoussolution. the parameters studied were the effect of temperature, contact time and initial ph ofsolution. results indicate that the removal efficiency of nickel oxide nanoparticles increases withincreasing co...

1999
M. V. Tokarchuk I. P. Omelyan A. E. Kobryn

A consistent description of kinetics and hydrodynamics of systems of interacting particles by means of the nonequilibrium statistical operator method A statistical approach to a self-consistent description of kinetic and hydrody-namic processes in systems of interacting particles is formulated on the basis of the nonequilibrium statistical operator method by D.N.Zubarev. It is shown how to obta...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2014
Dhrubaditya Mitra Axel Brandenburg Brahmananda Dasgupta Eyvind Niklasson Abhay Ram

We solve for the motion of charged particles in a helical time-periodic ABC (Arnold-Beltrami-Childress) magnetic field. The magnetic field lines of a stationary ABC field with coefficients A=B=C=1 are chaotic, and we show that the motion of a charged particle in such a field is also chaotic at late times with positive Lyapunov exponent. We further show that in time-periodic ABC fields, the kine...

2004
Tomoya Kitayama Ayako Kinoshita Yoichi Nakayama Masaru Tomita

In attempting to develop large-scaled metabolic models using general dynamic modeling methods, a large set of data, such as kinetics mechanisms and parameters, is required. It is difficult to obtain a complete set of rate equations and kinetic parameters. To solve the problem, we have proposed an algorithm which simulates a pathway model including dynamic kinetic parts and flux-based static par...

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