Results 81 to 90 of about 20,132 (173)

Inefficiencies in Digital Advertising Markets [PDF]

open access: yes, 2020
Digital advertising markets are growing and attracting increased scrutiny. This article explores four market inefficiencies that remain poorly understood: ad effect measurement, frictions between and within advertising channel members, ad blocking, and ...
Gordon, Brett R   +5 more
core   +1 more source

The past and future of urban philosophy

open access: yesПроект Байкал
Today’s problems of urban development management are extremely complex and diverse. This implies an appeal to the most general laws of nature, society and man, that is, to the methods of philosophy. The article shows the connection between Plato’s views
Константин Лидин   +1 more
doaj   +1 more source

Il Quartiere occidentale di Elea-Velia

open access: yesMélanges de l'École française de Rome. Antiquité, 2013
La ripresa delle indagini nel Quartiere occidentale di Velia, ancora sostanzialmente inedito, ha riaperto il dibattito su questo settore urbano, organizzato su un asse viario est-ovest, cui si innestano perpendicolarmente le strade nord-sud. Il contributo analizza l’insieme della documentazione disponibile, proponendo una prima ipotesi di ricostruzione
openaire   +2 more sources

Relativistic electron in curved magnetic fields [PDF]

open access: yes
Making use of the perturbation method based on the nonlinear differential equation theory, the author investigates the classical motion of a relativistic electron in a class of curved magnetic fields which may be written as B=B(O,B sub phi, O) in ...
An, S.
core   +1 more source

The Problem of Motion: The Statistical Mechanics of Zitterbewegung

open access: yes, 2014
Around 1930, both Gregory Breit and Erwin Schroedinger showed that the eigenvalues of the velocity of a particle described by wavepacket solutions to the Dirac equation are simply $\pm$c, the speed of light.
Knuth, Kevin H.
core   +1 more source

Spartan Daily, June 3, 1935 [PDF]

open access: yes, 1935
Volume 23, Issue 147https://scholarworks.sjsu.edu/spartandaily/2324/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Phonocardiograph transducer Patent [PDF]

open access: yes, 1968
Piezoelectric transducer for monitoring sound waves of physiological ...
Young, W. J.
core   +1 more source

Plato on Parmenides of Elea: the Eleatic PNC case

open access: yesRevista de Filosofia Antiga
According to several scholars, the first explicit formulations of the Principle of Non-Contradiction (PNC) can be found in Plato's works, e. g. in the Republic and the Sophist.
André Luiz Braga da Silva
doaj   +1 more source

Literacy in the Digital University – developing a research agenda

open access: yes, 2011
This paper summarises outcomes from an ESRC-funded seminar series, held between October 2009 and April 2011, which brought together researchers and practitioners involved in four research projects focused, in different ways, on literacy, tertiary ...
Goodfellow, Robin
core  

The Impact of Pulsed Electric Field Treatment and Shelf Temperature on Quality of Freeze-Dried Pumpkin

open access: yesApplied Sciences
Pulsed electric field (PEF) treatment is known as a method that can intensify heat- and mass-transfer-based processes such as osmotic dehydration, drying, or freeze-drying.
Oleksii Rastorhuiev   +8 more
doaj   +1 more source

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