نتایج جستجو برای: biological model

تعداد نتایج: 2488480  

Journal: :Current Research Journal of Biological Sciences 2019

Journal: :computational methods for differential equations 0
sedighe toubaei islamic azad university, ahvaz branch, ahvaz, iran morteza garshasbi department of mathematics, iran university of science and technology, tehran, iran mehdi jalalvand department of mathematics, shahid chamran university of ahvaz, ahvaz, iran

in this work the mathematical model of a spatial pattern inchemical and biological systems is investigated numerically. theproposed model considered as a nonlinear reaction-diffusionequation. a computational approach based on finite difference andrbf-collocation methods is conducted to solve the equation withrespect to the appropriate initial and boundary conditions. theability and robustness o...

2004
Boyan Dimitrov

In this paper wu use some ideas for analysis of reliability of technical systems to propose similar tools for modeling and investigation of the problem of biological objects longevity, aging, and degradation. The main characteristic for biological objects is their survival function. We focus on evaluation of this function. We deal with the model of hierarchical structure, which is described in ...

2013
Lubos Brim Milan Ceska David Safránek

Model checking together with other formal methods and techniques is being adapted for applications to biological systems. We present a selection of approaches used for modeling biological systems and formalizing their interesting properties in temporal logics. We also give a brief account of high performance model checking techniques and add a few case studies that demonstrate the use of model ...

Journal: :JDIM 2007
Moheb R. Girgis Abd El-Mgeid A. Aly Bahgat A. Abdel Latef Boutros R. El-Gamil

Heuristic methods based on biological aspects have been successfully used in many computer science areas of research, including information retrieval (IR). This let us ask: why there is no biological environment for the problem of information retrieval. In this paper, we tried to introduce a new biological environment and model for information retrieval that broad the modeling concept from the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی 1387

abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...

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