نتایج جستجو برای: an analytical

تعداد نتایج: 5761497  

2001

In the following we present a model for ELDRE, simpler than the one proposed in Chapter 4. The purpose is to get reasonable results starting from few physical parameters. References are quite detailed because the work is based on specific results found in the past. In Section 5.1 the main assumptions are explained and the mathematical model is presented. Following Sections investigate the time-...

Seyyed Mostafa Hoseini

An analytical equation of state (EOS) developed by Ihm-Song-Mason (ISM) has been applied tocalculate some thermophysical properties of molten polymers including Poly (1-octene) (PO), Poly (vinylmethyl ether) (PVME), Poly (vinyl chloride) (PVC), and Poly (styrene) (PS). Three temperature-dependentparameters of the ISM EOS have been determined based on the alternative scaling constants, dispersiv...

Khosro Daneshjoo Seyyed Mostafa Mokhtabad Amraey Siamak Panahi

Today, most of the big cities or metropolises around the world have been encountering with the problem of informal habitation. The present study, thus, tries to focus on the role of endogenous development in such type of habitation process. For that matter, the paper takes into account architectural programming and urbanism as its theoretical framework because the endogenous development is rela...

Journal: :Developmental cell 2013
Yu-Chiun Wang Zia Khan Eric F Wieschaus

Localized cell shape change initiates epithelial folding, while neighboring cell invagination determines the final depth of an epithelial fold. The mechanism that controls the extent of invagination remains unknown. During Drosophila gastrulation, a higher number of cells undergo invagination to form the deep posterior dorsal fold, whereas far fewer cells become incorporated into the initially ...

2001
László Kozma Alexandru Kristály Csaba Varga

Given a linear isometry A0 : Rn → Rn of finite order on Rn , a general 〈A0〉-invariant closed subset M of Rn is considered with Lipschitz boundary. Under suitable topological restrictions the existence of A0-invariant geodesics of M is proven.

2003
J. Donarummo M. Ram E. F. Stoermer

[1] We have identified a dust storm deposit in the GISP2 ice core that most likely originated from the Great Plains region of the United States during the 1930’s ‘Dust Bowl’ era. These results indicate that the Central U.S. can be a significant source of dust to the Greenland ice sheet, especially when the source area is affected by intense drought conditions.

2002
SERGE TABACHNIKOV J. Moser S. TABACHNIKOV

We describe a new proof of the complete integrability of the two related dynamical systems: the billiard inside the ellipsoid and the geodesic flow on the ellipsoid (in Euclidean, spherical or hyperbolic space). The proof is based on the construction of a metric on the ellipsoid whose nonparameterized geodesics coincide with those of the standard metric. This new metric is induced by the hyperb...

2002
R. E. G. UPSHUR

Evidence-based medicine has been defined as the conscientious and judicious use of current best evidence in making clinical decisions. This paper will attempt to explicate the terms “conscientious” and “judicious” within the evidence-based medicine definition. It will be argued that “conscientious” and “judicious” represent virtue terms derived from virtue ethics and virtue epistemology. The id...

2003
Richard C. Linger

...............................................................................................................v 1 The Problem of Understanding Program Behavior....................................1 2 Background: Function-Theoretic Foundations of FSQ Flow Structures..3 3 Function-Theoretic Calculation of Program Behavior ...............................6 4 The Architecture of an Abstraction Engin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1391

واکنش تشکیل کمپلکس بین کاتیون فلزی+2 cd با لیگاند درشت حلقوی n–فنیل آزا–15–کرون5 (pha15c5) در مخلوط های دوجزیی استونیتریل– متانول(an-meoh)، پروپیلن کربنات – متانول (pc-meoh)،استونیتریل-بوتانول((an-bouh)استونیتریل-اتیل استات (an-etoac)و استونیتریل – نیترومتان(an-nm) در دماهای متفاوت با استفاده از روش هدایت سنجی مورد بررسی قرار گرفت. نتایج به دست آمده نشان می دهند که در همه موارد،با افزایش لیگاند...

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