نتایج جستجو برای: mechanical phenomena

تعداد نتایج: 351447  

2002
Martin Matoušek Václav Hlaváč

The method seeking correspondences in Epipolar Plane Images (EPI) is presented. The principal idea is to employ dense sequence to get more information which could guide the correspondence algorithm. Theoretically a simple technique finding homogeneous straight lines in EPI suffices to establish correspondences. This paper verifies the method in real experiments. The paper builds on results of [...

2001
C. Werner Dankwort Martin Buber

In analogy to the physical quantum mechanical concept of particle representation and its observables, some thought is given to the reality of elements within the product development process. Several aspects and requirements for a formalisation are sketched and examples of product design are discussed. The results show that the logical components and the elements in the product development proce...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Robert A DiStasio O Anatole von Lilienfeld Alexandre Tkatchenko

Van der Waals (vdW) interactions are ubiquitous in molecules and condensed matter, and play a crucial role in determining the structure, stability, and function for a wide variety of systems. The accurate prediction of these interactions from first principles is a substantial challenge because they are inherently quantum mechanical phenomena that arise from correlations between many electrons w...

2006
C. Tres Cantos

LtCol. Dr. Gil Heras A. Hospital Central de la Defensa. Servicio de Medicina Intensiva Glorieta del Ejército s/n. 28047 Madrid SPAIN Major Dr. López López JA. Aviation and Space Medicine Specialist Centro de Instrucción de Medicina Aeroespacial (CIMA) Arturo Soria 82 28027 Madrid SPAIN LtCol. Dr. Ríos Tejada F. Aviation and Space Medicine Specialist Centro de Instrucción de Medicina Aeroespacia...

2004
Piero G. Luca Mana

Suppose that we have written, in a sort of table, the statistical data collected from a group of experiments — the nature of which can be classical, quantum, or something else. Suppose that we also want to store this table’s data in a compact way. How could we proceed? In this paper it is shown that, given the situation described above, when we try to store or organise the table’s data in a mor...

2012
N. Marinescu

für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namen...

2007
A. Pirovano A. L. Lacaita

We present results of fully 2D quantum-mechanical (QM) simulations of nanoscale MOSFET's. The validity of semiclassical transport models are first discussed. Then, QM effects on threshold voltage, subthreshold slope and short-channel performances are addressed. We show that QM effects significantly affect device performances in the nanoscale range.

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Agostino Migliore Ron Naaman David N Beratan

We design sensors where information is transferred between the sensing event and the actuator via quantum relaxation processes, through distances of a few nanometers. We thus explore the possibility of sensing using intrinsically quantum mechanical phenomena that are also at play in photobiology, bioenergetics, and information processing. Specifically, we analyze schemes for sensing based on ch...

1999
J Hafner

ÐAn overview on methodology and leading-edge applications of atomistic computational materials science based on quantum mechanical concepts is presented.

A. Mehdizadeh A. Norouzpour, Z. Hooshyar

Background: Autoregulation of blood flow is a marvelous phenomenon balanc- ing blood supply and tissue demand. Although many chemically-based explanations for this phenomenon have been proposed and some of them are commonly used today, biomechanical aspects of this phenomenon was neglected. The biomechanical aspect provides insights to us to model vessel diameter changes more precisely and comp...

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