Iulia – Zamfira VOIA


29-14 ISAAC NEWTON – GRAVITAŢIA UNIVERSALĂ ŞI TREI ANIVERSĂRI REMARCABILE

ISAAC NEWTON – UNIVERSAL GRAVITY AND THREE
REMARKABLE ANNIVERSARIES
In 2016 there are 330 years from the realistion of the fundamental
work, ″The Mathematical Principles of the Natural Philosophy″ by Isaac Newton
(1643-1727); 290 years from the appearance of the third most complete edition
that appeared the last during his lifetime – respectively 60 years since the
translation in the Romanian language of this monumental work at the Editura
Academiei.
Keywords: Newton law of gravity, the three principles of dynamics,
infinitesimals
Cuvinte-cheie: Newton, legea gravitaţiei, cele trei principii ale
dinamicii, calculul infinitezimal

Descărcare text


19-7 INGINERI ŞI PROFESORI – PIONIERI AI FABRICAŢIEI DE HIDROAGREGATE ÎN ROMÂNIA (I)

INGENIÉURS ET PROFESSEURS – PIONNIERS DE LA
FABRICATION DE TURBINES HYDRAULIQUES ET
GÉNÉRATEURS ÉLECTRIQUES EN ROUMANIE
On présente des grandes personnalités qui ont appuyé, initié, réalisé
et développé la fabrication de équipements hydrauénérgetiques en Roumanie.
Mots-clés: turbine hydraulique, groupe électrogène, de
l’hydroélectricité
Cuvinte cheie: turbină hidraulica, generator, centrala hidroelectrică

7 INGINERI ŞI PROFESORI – PIONIERI AI FABRICAŢIEI


19-8 INGINERI ŞI PROFESORI – PIONIERI AI FABRICAŢIEI DE HIDROAGREGATE ÎN ROMÂNIA (II)

INGENIÉURS ET PROFESSEURS – PIONNIERS DE LA
FABRICATION DE TURBINES HYDRAULIQUES ET
GÉNÉRATEURS ÉLECTRIQUES EN ROUMANIE
On présente des grandes personnalités qui ont appuyé, initié, réalisé
et développé la fabrication de équipements hydrauénérgetiques en Roumanie.
Mots-clés: turbine hydraulique, groupe électrogène, de l’hydroélectricité
Cuvinte cheie: turbină hidraulică, generator, centrală hidroelectrică

8 INGINERI ŞI PROFESORI – PIONIERI AI FABRICAŢIEI


23-36 AMENAJAREA HIDROENERGETICĂ A DUNĂRII

THE SAME TIME ARRANGEMENT OF THE DANUBE
This paper presents the development of the Danube, at the same time
the end showing that total energy potential of Danube 42,000 GWh/year is used
71,3 % (30,000 GWh/year), country, assigned as follows: 31.5 % Austria,
15.6 %, Romania, 15.6 %, Serbia, 6.3 % Slovakia and 2.3 % Germany
Cuvinte cheie: centrală hidroelectrică, turbină hidraulică, generator
Key words: hydroelectric power station, hydraulic turbine, generator

23-36 AMENAJAREA HIDROENERGETICĂ A DUNĂRII