نتایج جستجو برای: nerwork flows

تعداد نتایج: 79691  

An analysis is suggested to study the impact of Hall currents in Jeffrey fluid which is chemically reactive through a porous medium limited by a semi-infinite vertical permeable plate within the existence of heat generation. An evenly distributed magnetic field turns vertically on the porous surface which absorbs the Jeffrey fluid with a changed suction velocity with time. The analytical expres...

Journal: :acta medica iranica 0
h. mazaher h. sharifian s. sharifkashany g. hanafi

vertebrobasilar insufficiency is the cause of cerebrovascular accidents in 20% of cases. there are few reports regarding spectral doppler indices (sdis) of vertebral arteries (vas) normal blood flow. the objective of this study was to provide basic reference data about sdis of vas normal blood flow separately and in comparison with internal carotid arteries (icas) and common carotid arteries (c...

Journal: :Discrete Applied Mathematics 1992

A resource investment problem is a project-scheduling problem in which the availability levels of the resources are considered decision variables and the goal is to find a schedule and resource requirement levels such that some objective function optimizes. In this paper, we consider a resource investment problem in which the goal is to maximize the net present value of the project cash flows. ...

ژورنال: حسابداری مالی 2019

The purpose of this research is to develop a dynamic regression model for prediction of future operating cash flows of firms accepted in Tehran Stock Exchange. So, the information of 250 companies were considered during 2004 to 2017. In this study, operational and economic variables were added to the fundamental model of Bart, Cram and Nelson (BCN). Due to the simultaneous effect of sales growt...

Journal: :پژوهشنامه کتابداری و اطلاع رسانی 0
محمد رئوف حیدری فر فرامرز سهیلی

introduction: for the understanding of the geopolitics of information, we need to use a geographical approach in the flows and processes of information. in this way, it is necessary that put the westphalian territorialism away and equipped by new approach called polycentrism to information and its geopolitics. it does not mean that we cannot analyze every thing according to territorial walls an...

Journal: :journal of heat and mass transfer research(jhmtr) 2014
maziar dehghan hassan basirat tabrizi

this study is concerned with the prediction of particles’ velocity in a dilute turbulent gas-solidboundary layer flow using a fully eulerian two-fluid model. the closures required for equationsdescribing the particulate phase are derived from the kinetic theory of granular flows. gas phaseturbulence is modeled by one-equation model and solid phase turbulence by mlh theory. resultsof one-way and...

2018
Rianne van den Berg Leonard Hasenclever Jakub M. Tomczak Max Welling

Variational inference relies on flexible approximate posterior distributions. Normalizing flows provide a general recipe to construct flexible variational posteriors. We introduce Sylvester normalizing flows, which can be seen as a generalization of planar flows. Sylvester normalizing flows remove the well-known single-unit bottleneck from planar flows, making a single transformation much more ...

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