Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Marin, Dumitru"'
Autor:
MARIN Dumitru, PETRESCU Ligia
Publikováno v:
Journal of Industrial Design and Engineering Graphics, Iss 12 (2017)
The paper presents the cylindrical shape detailed study, frequently used in industrial design.The geometrical cylindric shape is the ideal (perfect) shape which is given by mathematical equation. The functional shape is the ultimate (final) shape whi
Externí odkaz:
https://doaj.org/article/565163c1348f4868a44c00c3914bdbf6
Autor:
ANGHELACHE, Constantin1,2 actincon@yahoo.com, MARIN, Dumitru1 dumitrumarin@codmail.com, GRIGORESCU, Dana Luiza1 danaluiza2004@yahoo.com
Publikováno v:
Theoretical & Applied Economics. Summer2020, Vol. 27 Issue 2, p5-18. 14p.
Autor:
Marin, Dumitru, Predescu, Ovidiu
Publikováno v:
Law Review. (02):73-98
Externí odkaz:
https://www.ceeol.com/search/article-detail?id=1028444
Autor:
Marin, Dumitru, Predescu, Ovidiu
Publikováno v:
Revista „Dreptul” / Law review. (04):210-233
Externí odkaz:
https://www.ceeol.com/search/article-detail?id=574332
Autor:
Marin Dumitru, Ligia Petrescu
Publikováno v:
Journal of Industrial Design and Engineering Graphics, Vol 11, Iss 1 (2016)
The paper presents the solving of linear three variables system using two methods: analytic and graphic methods. The solving of a such system implies four cases: compatible system with unique solution, simple-indeterminate compatible system, double-i
Externí odkaz:
https://doaj.org/article/7d982503c01348c198d76c779901581d
Publikováno v:
Manager. (06):75-80
Externí odkaz:
https://www.ceeol.com/search/article-detail?id=542055
Autor:
PETRESCU Ligia, MARIN Dumitru
Publikováno v:
Journal of Industrial Design and Engineering Graphics, Iss 10 (2015)
The intersection of two surfaces is a common line to both surfaces. This line is often called transition line. The authors propose an analytical and a computer graphics intersection between two perpendicular axes cylinders. The analytical expression
Externí odkaz:
https://doaj.org/article/5e861638758f40f5a773fad2fbb27951
Autor:
Marin Dumitru, Sabin Codrea, Adrian-Mihai Alexei, Military Equipment, Constantin Daniel Oancea, Daniel Şuteu
Publikováno v:
SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE. 21:160-165
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad5ed2d16c413ae094f0c2f4027945fe
https://doi.org/10.19062/2247-3173.2019.21.22
https://doi.org/10.19062/2247-3173.2019.21.22
Autor:
PETRESCU Ligia, MARIN Dumitru
Publikováno v:
Journal of Industrial Design and Engineering Graphics, Iss 9 (2014)
The product of the engineering thinking and creation, using spatial imagination, spatial situations analysis and synthesis, combines the engineering “art” with an own “language” of communication. This language, “the graphic language” is a
Externí odkaz:
https://doaj.org/article/98d5976b21074d929ccf9776eeda8600
Autor:
MARIN Dumitru, PETRESCU Ligia
Publikováno v:
Journal of Industrial Design and Engineering Graphics, Iss 9 (2014)
This paper presents a Dandelin’s mathematical demonstration theorem, which is more intuitive than a graphical one. The three equations of the plane curves - ellipse, parabola and hyperbola - are obtained particularizing the general conical curves e
Externí odkaz:
https://doaj.org/article/c6e9156200fb4e64939cd9c32f0c94d3