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Приказ резултата 21-30 од 71
NUMERICAL, ANALYTICAL AND EXPERIMENTAL DETERMINATION OF REMAINING LIFE OF A PIPE WITH AN AXIAL CRACK / NUMERIČKO, ANALITIČKO I EKSPERIMENTALNO ODREĐIVANJE PREOSTALOG VEKA CEVI SA OSNOM PRSLINOM
(Society for Structural Integrity and Life (DIVK), 2023)
Numerical and analytical methods are applied to determine the remaining life of oil rig pipe with an axial crack.
Analytical expressions for surface cracks are used to calculate stress intensity factors for different crack ...
Farmaceutski preparati i opojne droge kao kontaminirajuće supstance površinskih i otpadnih voda / PHARMACEUTICAL PREPARATIONS AND ILLICIT DRUGS AS CONTAMINATING SUBSTANCES OF SURFACE AND WASTEWATER
(Zastita Materijala, 2018)
Prisustvo farmaceutskih preparata i opojnih droga u otpadnim, površinskim i podzemnim vodama
predstavlja ozbiljan problem po zdravlje ljudi. Razlog za to je činjenica da ova jedinjenja poseduju
biološku aktivnost, lako ...
Influence of an accumulative roll bonding (ARB) process on the properties of AA5083 Al-Mg alloy sheets
(Association of Metallurgical Engineers of Serbia AMES, 2014)
In this study, fully annealed AA5083 type alloy sheets with 1 mm in thickness
were processed by accumulative roll bonding (ARB) at room temperature, up to 6 ARB
cycles. It was found that microstructure was refined and ...
Enzymatic synthesis of fructo-oligosaccharides using Pectinex® Ultra SP-L: a study of experimental conditions / Enzimska sinteza frukto-oligosaharida upotrebom Pectinex® Ultra SP-L: ispitivanje uticaja eksperimentalnih uslova
(Institute for Food Technology, 2021)
The obvious benefits of employing prebiotics as functional components in many foods
and feed products have resulted in higher demand for their industrial production, necessitating the
development of more efficient and ...
Exploitation properties of ni-pd/al2o3 catalyst supported on ceramic foam
(Savez inženjera metalurgije Srbije, Beograd, 2015)
The goal of this research was to examine exploitation properties of Ni-Pd/Al2O3 catalyst supported on alpha-Al2O3 based foam in the dry methane reforming. The catalyst was prepared by using aerosol method. Chloride precursors ...
Compatibility between TRIZ contradiction matrix and LT-units system / Kompatibilnost između TRIZ matrice kontradiktornosti i LT-sistema
(University of Belgrade - Faculty of Mechanical Engineering, Belgrade, 2020)
The contradiction matrix is the most popular tool of the Theory of Inventive Problem Solving (TIPS, rus. TRIZ). It consists of 39 engineering parameters and 40 principles. Intersecting a parameter that is improving with ...
Production of sub-micro sized silver particles by chemical reduction method in an environmentally-friendly manner
(Savez inženjera metalurgije Srbije, Beograd, 2020)
Silver nitrate in the solution was reduced in the presence of the dispersants by ascorbic acid, and silver particles were generated. The main goal was to examine the influence of different dispersants. The purpose was to ...
Numerical simulation of temperature field in the vertical bridgman method crystal growth
(Savez inženjera metalurgije Srbije, Beograd, 2015)
The mathematical model for heat transfer during the Bridgeman crystal growth, using the finite element method and the obtained result are presented. Some modifications to the method were introduced in order to incorporate ...
Aramid composites impregnated with different reinforcement: Nanofibers, nanoparticles and nanotubes / Aramidni kompoziti impregnisani sa različitim ojačanjima - nanovlakna, nanočestice i nanocevi
(Engineering Society for Corrosion, Belgrade, Serbia, 2014)
In this study, the electrospun nanofibers, nanoparticles and nanotubes were used as reinforcement in order to improve mechanical properties of materials for ballistic protection. The samples of polyurethane/p-aramid ...
Defining the ideality of the protective masks by the mathematical modeling method / Određivanje idealnosti zaštitnih maski metodom matematičkog modelovanja
(University of Belgrade - Faculty of Mechanical Engineering, Belgrade, 2019)
Technical contradiction occurs when the system improves one parameter, which automatically causes the deterioration of some of its other parameters. In such a situation, instead of usual acceptance of the optimization of ...