Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Janez Kopac"'
Autor:
Elena David, Janez Kopac
Publikováno v:
Molecules, Vol 28, Iss 23, p 7765 (2023)
A major problem that limits the use of biodiesel is maintaining the fuel at the specified standards for a longer period. Biodiesel oxidizes much more easily than diesel, and the final oxidation products change its physical and chemical properties and
Externí odkaz:
https://doaj.org/article/2fd818737d644395868aa9d359afc34c
Autor:
Elena David, Janez Kopac
Publikováno v:
Nanomaterials, Vol 12, Iss 21, p 3841 (2022)
Nanocomposites based on 13X zeolite (13XZ), calcium oxide (CaO) and metal zinc particles (Zn) were prepared. The resulting nanocomposites were characterized by different techniques. Then, a comparative study on catalytic and noncatalytic pyrolysis of
Externí odkaz:
https://doaj.org/article/758ba40eaba64a8ebfff7d454e0f6a37
Autor:
Janez Kopac, Franci Pušavec
Publikováno v:
Mobility and Vehicle Mechanics. 45:13-18
Autor:
Janez Kopac, Elena David
Publikováno v:
Materials Today: Proceedings. 10:340-347
The purpose of this research is to answer to the challenge of how a hazardous waste (fine fraction of less than 50 μm of Al dross) can be recycled. In the first part there are presented the physico-chemical characteristics and the negative impact on
Autor:
Elena David, Janez Kopac
Publikováno v:
Materials Today: Proceedings. 7:817-827
Coal fly ash samples were used to investigate the thermochemical processing of the unburned carbon fraction and to obtain selective sorbents towards CO2. The unburned carbon (UBC) fraction was efficiently separated using sieving and froth flotation s
Publikováno v:
Machining Science and Technology. 22:829-850
The determination of the optimal machining conditions for assuring desired machined surface characteristics of a part is one of the main goals in a machining process. In this article, the i...
Autor:
Janez Kopac, Elena David
Publikováno v:
Environmental Engineering and Management Journal. 17:739-748
Publikováno v:
Tribology in Industry, Vol 39, Iss 2, Pp 238-247 (2017)
High Pressure Jet Assisted Machining (HPJAM) in turning is a hybrid machining method in which a high pressure jet of cooling and lubrication fluid, under high pressure (50 MPa), leads to the zone between the cutting tool edge and workpiece. An experi
Autor:
F. Pušavec, Janez Kopac
Publikováno v:
Journal of Achievements in Materials and Manufacturing Engineering. 1:26-32
Purpose: Purpose of this paper is to present results obtained during developing new cutting tools for individual tool industry. The aim of the research was to develop customized ball end milling tools with longer tool-life. Design/methodology/approac
Publikováno v:
Tehnički Vjesnik, Vol 24, Iss 4, Pp 981-986 (2017)
Tehnički vjesnik
Volume 24
Issue 4
Tehnički vjesnik
Volume 24
Issue 4
Hlađenje alata za injekcijsko prešanje polimera izrađenog obradom odvajanjem čestica ima ograničenja, jer su kanali za hlađenje sastavljeni od uobičajenih ravnih rupa. Aditivnom tehnologijom mogu se izraditi rashladni kanali koji su prilagođe