Results 21 to 30 of about 39,703 (314)

Chemical, Electrochemical and Corrosive Wear Behavior of Nickel-plated Steel and Brass-plated Steel Based Coins from Egypt in Artificial Sweat

open access: yesInternational Journal of Electrochemical Science, 2021
The corrosion behavior of two types of Egyptian coins were investigated. Coins are available as 25 piaster (25P); (nickel-plated steel) and 50 piaster (50P); (brass-plated steel) Egyptian coins. These coins were studied in Artificial Sweat Solution (ASS)
Ahmed M. Elzohry   +4 more
doaj   +1 more source

Collisions of Coins [PDF]

open access: yesThe Physics Teacher, 2021
This paper addresses a popular topic in science teaching and competitions for primary and secondary school students. Experiments with colliding coins are relatively easy to perform and therefore popular in science lessons. We used the idea in the science competition we organized for pupils aged 6 to 13 years.
Rovšek, Barbara, Žigon, Sašo
openaire   +2 more sources

Game of Coins

open access: yes2021 IEEE 41st International Conference on Distributed Computing Systems (ICDCS), 2021
We formalize the current practice of strategic mining in multi-cryptocurrency markets as a game, and prove that any better-response learning in such games converges to equilibrium. We then offer a reward design scheme that moves the system configuration from any initial equilibrium to a desired one for any better-response learning of the miners.
Alexander Spiegelman   +2 more
openaire   +2 more sources

Uncommon cases of foreign bodies in the esophagus--duplex coins [PDF]

open access: yes, 1970
Two cases of multiple foreign bodies, i. e., duplex coins in the esophagus are reported. These foreign bodies were removed by peroral esophagoscopy successfully.
Tasaka, Seido, Oguri, Yoshio
core   +1 more source

Monument of the Serbian freedom and progress [PDF]

open access: yesBankarstvo, 2014
The copper coins of Mihailo M. Obrenovic, Prince of Serbia, were the first Serbian coins minted after the medieval coins, which were put into circulation in 1898, one year after Mihailo's unfortunate demise.
Pantelić Svetlana
doaj   +1 more source

Bahram Core image and the seven princess under the spot light of nezamy five manuscript that is kept in gallery poalters - Baltimore.

open access: yesJournal of Architecture, Art & Humanistic Science, 2018
Bahram Gur considered from the Sassanines kings whose they ruled their people fairly , As well as his courage. So he was lovable  from his people, So they cherished him and they want the commeration  of his memory, and authored for him stories, which ...
Raafat Al Nabrawy   +2 more
doaj   +1 more source

Images of Bahram Core and the Seven Princesses in the light of a five manuscript preserved by the Walters Gallery - Peltmore

open access: yesJournal of Architecture, Art & Humanistic Science, 2018
Bahram Gur considered from the Sassanines kings whose they ruled their people fairly , As well as his courage. So he was lovable  from his people, So they cherished him and they want the commeration  of his memory, and authored for him stories, which ...
Raafat El Nabrawy   +2 more
doaj   +1 more source

Composite Fuzzy Logic Control Approach to a Flexible Joint Manipulator

open access: yesInternational Journal of Advanced Robotic Systems, 2013
The raised complicatedness of the dynamics of a robot manipulator considering joint elasticity makes conventional model-based control strategies complex and hard to synthesize. This paper presents investigations into the development of hybrid intelligent
Mohd Ashraf Ahmad   +2 more
doaj   +1 more source

Publishing a collection of Byzantine coins (preserved in the Egyptian Museum in Cairo) [PDF]

open access: yesالمجلة العلمیة لکلیة السیاحة والفنادق جامعة الأسکندریة, 2018
This research aims to publish a collection of previously unpublished coins issued during the Byzantine period. These coins were selected from the collections in the Egyptian Museum in Cairo.
Mostafa Elrouby, Marwa Farouk
doaj   +1 more source

Hans Sedlmayr, ‘Obituary: Julius Ritter von Schlosser 23 IX 1866 – 1 XII 1938’, trans. Karl Johns [PDF]

open access: yesJournal of Art Historiography, 2022
The greatest respect one could show would certainly be a renewed and serious consideration of Schlosser’s work – and yet we have another duty which strikes me as more important still, and this is to recognize its significance for the history of art ...
Karl Johns
doaj   +1 more source

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