نتایج جستجو برای: crossing point temperature test method

تعداد نتایج: 3048604  

Reliable estimation of the porous membranes neck-pore size distribution (NPSD) is the key element in the design and operation of all membrane separation processes. In this paper, a new approach is presented for reliable of NPSD of porous membranes using wet flow-state bubble point test data. For this purpose, a robust method based on the linear regularization theory is developed to extract NPSD...

Journal: :international journal of advanced biological and biomedical research 2013
seyede maryam afzali

temperature is one of the most important climate variables that many economic and social plans related to its changes. because of the importance of this issue, this study investigated the changes of it in the province khuzestan. meteorological data that used in this study is mean temperature in annual and seasonal timescale. the study area is abadan, ahwaz, dezful and omidiye stations. for anal...

2006
H. E. Stanley P. Kumar L. Xu Z. Yan M. G. Mazza S. V. Buldyrev S.-H. Chen

We investigate, for two water models displaying a liquid-liquid critical point, the relation between changes in dynamic and thermodynamic anomalies arising from the presence of the liquid-liquid critical point. We find a correlation between the dynamic fragility transition and the locus of specific heat maxima Cmax P (“Widom line”) emanating from the critical point. Our findings are consistent ...

2011
Xiaofeng Shao Katharine Hayhoe Donald J. Wuebbles

Abstract: We develop a self-normalization (SN) based test to test the structural stability of temporally dependent functional observations. Testing for a change point in the mean of functional data has been studied in Berkes, Gabrys, Horváth and Kokoszka [4], but their test was developed under the independence assumption. In many applications, functional observations are expected to be dependen...

Journal: :پژوهش نفت 0

difference in color is a major source of distinction between the lubricants extracted directly from the lubecuts and those manufactured in the reclaim units.the mentioned difference can be regarded as one of the main problesm for these products.in order to imporve the color quality of final product, possible modifications  in the reclamation method have been investigated. th effort has been des...

Journal: :Journal of chemical theory and computation 2008
Fabrizio Sicilia Lluís Blancafort Michael J Bearpark Michael A Robb

In this paper we present two new algorithms to study the extended nature of the crossing seam between electronic potential energy surfaces. The first algorithm is designed to optimize conical intersection geometries:  both minima and saddle points. In addition, this method will optimize conical intersection geometries using arbitrary geometrical constraints. We demonstrate its potential on diff...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده ادبیات و زبانهای خارجی 1390

abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...

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