Results 41 to 50 of about 649,618 (292)

DISTRIBUTED DYNAMIC PDE-MODEL OF PROGRAM CONTROL BY UTILIZATION OF THE TECHNOLOGICAL EQUIPMENT OF PRODUCTION LINE

open access: yesNauka ta progres transportu, 2019
Purpose. The article is aimed at designing a control system for the parameters of a production line for an enterprise with a straight flow method of organizing production. Methodology.
G. K. Kozevnikov, O. M. Pihnastyi
doaj   +1 more source

A discrete-event simulation model for the analysis of a waiting line system in port services: A case study

open access: yesIngeniare. Revista chilena de ingeniería, 2022
La teoría de colas es un conjunto de modelos matemáticos que explican los sistemas en los que los clientes esperan en fila para recibir el servicio bajo criterios de selección específicos. Los modelos permiten analizar el comportamiento del sistema y encontrar un "estado sólido" que logre un uso óptimo de los recursos.
Alexander D. Pulido-Rojano   +6 more
openaire   +1 more source

The results of the CapTA model on the restrained RER A network [PDF]

open access: yes, 2012
The CapTA model is developed to capture the capacity phenomena in passenger traffic assignment to a transit network. These pertain to the interaction of passenger traffic and vehicle traffic: vehicle seat capacity drives the internal comfort, vehicle ...
Chandakas, Ektoras
core   +2 more sources

Out-of-equilibrium relaxation of the Edwards-Wilkinson elastic line

open access: yes, 2007
We study the non-equilibrium relaxation of an elastic line described by the Edwards-Wilkinson equation. Although this model is the simplest representation of interface dynamics, we highlight that many (not though all) important aspects of the non ...
Barabási A-L   +21 more
core   +2 more sources

The Fate (Outcome) of Clinically Apparent Single Lesion and Oligofocal Nephroblastomatosis Treated According to SIOP/GPOH Protocols for Wilms Tumor

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background The management of clinically apparent single lesions or oligofocal nephroblastomatosis, a facultative precursor of nephroblastoma, remains debated. Methods We retrospectively analyzed 37 patients with clinically apparent single or oligofocal nephroblastomatosis (two to three lesions per kidney) among 2347 patients registered between
Nils Welter   +17 more
wiley   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

Time-dependent Stochastic Modeling of Solar Active Region Energy

open access: yes, 2010
A time-dependent model for the energy of a flaring solar active region is presented based on a stochastic jump-transition model (Wheatland and Glukhov 1998; Wheatland 2008; Wheatland 2009).
A.O. Benz   +40 more
core   +1 more source

Aging and response properties in the parking-lot model [PDF]

open access: yes, 2000
An adsorption-desorption (or parking-lot) model can reproduce qualitatively the densification kinetics and other features of a weakly vibrated granular material.
Talbot, J., Tarjus, G., Viot, P.
core   +2 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Simulation of a bus line queuing system. [PDF]

open access: yesمطالعات مدیریت بهبود و تحول, 2002
One  of the  most  important  problems   that  managers   face,  is  supplying, allocating and  using the  limited  resources  to achieve  the  best performance. Managers  of urban   transporting  systems  face  such  problems   too.  These systems  not 
kamran feizi, ahmad allah yari
doaj  

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