نتایج جستجو برای: population balance equation

تعداد نتایج: 1043297  

Like any other precipitation process, in supercritical water hydrothermal synthesis (SWHS), the need to improve product quality and minimize production cost requires understanding and optimization of Particle Size Distribution (PSD). In this work, using Population Balance Equation (PBE) containing nucleation and growth terms, the reactive precipitation of zirconia nanoparticles prepared by ...

Journal: :Calculus of Variations and Partial Differential Equations 2023

Abstract We consider the forward Kolmogorov equation corresponding to measure-valued processes stemming from a class of interacting particle systems in population dynamics, including variations Bolker–Pacala–Dieckmann-Law model. Under assumption detailed balance, we provide rigorous generalized gradient structure, incorporating fluxes arising birth and death particles. Moreover, large limit, sh...

ژورنال: علوم آب و خاک 2014
جعفری زاده, مریم, قبادی, محمد اقبال , قمرنیا, هوشنگ, میری, الهام,

The estimation of crop water requirement is one the most important stages for designing different irrigation systems, programming and corrected management of water resources. Therefore, to determine the water requirement for Coriandrum sativum L. a study was conducted in College of Agriculture Research Farm at Razi University in the city of Kermanshah during two years, 2010 and 2011. For this p...

ژورنال: Hormozgan Medical Journal 2010
Hanachi, P, Kaviani, G,

Introduction: An increase of age may cause an obvious effect on physiologic systems which are involved in the balance function. It is estimated that 6% of health care costs are spent on unintentional injuries in elderly population. The aim of this study is to analyze the effect of Mini-trampoline training on dynamic balance abilities in the elderly subjects. Methods: During a clinical tri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده مدیریت و اقتصاد 1391

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

2008
Shamsul Qamar

This work focuses on the modeling and numerical approximations of population balance equations (PBEs) for the simulation of different phenomena occurring in process engineering. The population balance equation (PBE) is considered to be a statement of continuity. It tracks the change in particle size distribution as particles are born, die, grow or leave a given control volume. In the population...

Journal: :Computers & Geosciences 2005
Ivan Portoghese Vito F. Uricchio Michele Vurro

A GIS tool to evaluate hydrogeological water balance based on a mass-balance model applied to surface and subsurface systems is discussed. The tool is designed for managers responsible for groundwater resource planning during conditions of water shortage. In developing the tool, the natural groundwater recharge was evaluated through the application of a soil water balance equation, and defined ...

Journal: :Applied Ecology and Environmental Research 2018

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