Browsing 2017 (ediţia a 12-a, 19 -20 octombrie) by Author "DOBREF, Vasile"

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Din istoria farurilor

DOBREF, Vasile; LORIN, Cantemir; POPOV, Petrică; MOCANU, Vlad (Tehnica UTM, 2019)

The writing, succinctly presents an evolution of the making of the navigation headlights, from the oldest times until the present. There are described the construction of the headlights, the utilised materials and some ...
O mică enciclopedie privind naşterea şi evoluţia materiei inerte (a Terrei) şi a celei vii, dotată cu un sistem neuronal cu proprietăţi creative materializate prin construcţia de nave maritime şi aeriene, motorizate. Rudolf Diesel si motorul lui

DOBREF, Vasile; CANTEMIR, Lorin; POPOV, Petrică; MOCANU, Vlad (Tehnica UTM, 2019)

The writing describes the matter`s evolution from the simple organic molecules to the cells that are able to reproduce. Therefore, water, earth and air assured conditions for the appearance, existence and evolution of the ...

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