C:\Documents and Settings\pauld
ثبت نشده
چکیده
For T > 0, fixed, let UT = U × 0,T where U denotes a bounded open set in Rn.Suppose that U is filled with a material in which a contaminant is being transported by various means including diffusion and convection. Let the concentration of contaminant at x, t in UT be denoted by ux, t and let the vector field F⃗x, t denote the flux field for the contaminant. Then we can state a conservation principle for the contaminant as follows. For an arbitrary ball B in U and an arbitrary time interval t1, t2 ⊂ 0,T we can assert that
منابع مشابه
C:Documents and Settingsjmcla
The Elusive Basis of Legitimacy in Global Governance: Three Conceptions How to create and maintain legitimacy is arguably the greatest contemporary challenge to global governance and international order. To address this challenge, International Relations scholars, accustomed to a clear distinction between international and domestic legitimacy, have had to borrow extensively from the fields of p...
متن کاملStudy of the foundation, models and issues of research data curation and management in scientific and academic environments
Background and Aim: The purpose of this paper is to study, identifying and discuss the foundation and concepts, models and frameworks, dimensions and challenges of research data curation and management in scientific and academic environments. Method: This article is a review article and library method was used to collect scientific and research texts in this field. In this research, external an...
متن کاملThe Study and Investigation of Law and Morality in Medical and Sanity Caring
Introduction: Considering the importance of health and protection of patients' rights, it is clear that addressing the status and relationship of ethics in addition to the relevant laws in the direction of medical and health care has a unique value and quality; Therefore, the purpose of studying this study is to critique the status of medical ethics and its effects and its relationship with the...
متن کاملEvaluation of Using Salep and Chitosan Hydrocolloid as Stabilizers and Fat Replacer in Physicochemical and Rheological Features of Low-Fat Mayonnaise
In the present study, salep and chitosan hydrocolloid were used as stabilizers and fat replacer in low-fat mayonnaise and rheological and physicochemical characteristics were evaluated. Fat has been substituted with 0.1, 0.2 and 0.3% chitosan and 6.4, 0.0, 0.7, 1.0 and 1.3% salep. High-fat mayonnaise sample or control with 67% fat and without salep and chitosan(FF), mayonnaise with 67% fat and...
متن کاملDevelopmental and Structural Analysis of the Social and Cultural Changes and Its Effects on Local House in Turkmen, Gomishan and Gorgan
The Clarification of the field-oriented thought in Iranian contemporary architecture through the sociological knowledge model can be studied and analyzed as a comparative model as well as the location of the phenomena of Iranian contemporary society, especially architecture. Although sociology of knowledge must be able to control the cause of social and historical deviation in the context of Ir...
متن کاملCouncils and Counseling Systems
The Counseling System is the one of the basis on which all social and political affairs are presented and investigated through public and political consultation in the form of discussions and free conversations. In the Counseling system, it is the public wisdom and agreement that leads to the selection and determination of rulers, social and political constructs and institutions, codifying and ...
متن کامل