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Bond strength of restorative materials to hydroxyapatite inserts and dimensional changes of insert-containing restorations during polymerization
(Elsevier Sci Ltd, Oxford, 2015)
Objective. To determine the shear bond strength (SBS) between synthetic controlled porous hydroxyapatite (HAP) inserts and restorative materials and dimensional changes of insert-containing restorations during curing. ...
Wind energy resource development in Ethiopia as an alternative energy future beyond the. dominant hydropower
(Pergamon-Elsevier Science Ltd, Oxford, 2013)
Over the centuries, energy has been supplied by wood, coal, oil and natural gas, as well as by uranium. All these energy sources are limited and create pollution problems. This has led countries to focus on a sustainable ...
Possibilities for reconstruction of existing steam boilers for the purpose of using exhaust gases from 14 MW or 17 MW gas turbine
(Pergamon-Elsevier Science Ltd, Oxford, 2013)
Within the energy system in Methanol vinegar complex (MVC) in Kikinda, beside process boiler and auxiliary equipment, there are three equal steam boilers made by "Minel Kotlogradnja", provided for combustion of natural ...
Tensile properties of ADI material in water and gaseous environments
(Elsevier Science Inc, New York, 2015)
Austempered ductile iron (ADI) is an advanced type of heat treated ductile iron, having comparable mechanical properties as forged steels. However, it was found that in contact with water the mechanical properties of ...
Radiative heat exchange inside the pulverized lignite fired furnace for the gray radiative properties with thermal equilibrium between phases
(Elsevier France-Editions Scientifiques Medicales Elsevier, Paris, 2014)
The objective of the research was to find if an agreement of the results of a numerical investigation with experimental data could be achieved considering the two-phase medium in thermal equilibrium. Influence of the gray ...
Assessing the impact of primary measures for NOx reduction on the thermal power plant steam boiler
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
The European normatives prescribe content of 200 mg/Nm(3) NO for pulverized coal combusting power plants. In order to reduce content of NOx in Serbian thermal power plant (TPP) square Kostolac B square it's necessary to ...
Numerical prediction of processes for clean and efficient combustion of pulverized coal in power plants
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
Coal-fired power plant technologies should provide higher efficiency of energy conversion, reduction of pollutants emission, operation of facilities in a wide range of loads and efficient utilization of variable quality ...
The applicability of construction and demolition waste components for radionuclide sorption
(Elsevier Sci Ltd, Oxford, 2018)
Following the guiding "3R" principle of sustainable development (Reduce, Reuse and Recycle), the potential applicability concerning various components of construction and demolition waste (C&DW) was investigated for ...
Predicting effects of air staging application on existing coal-fired power steam boiler
(Pergamon-Elsevier Science Ltd, Oxford, 2019)
The results of an extended research performed with the aim of investigating influence air staging application on processes occurred in boiler furnace have been presented in this paper. This subject was developed as a result ...
Primary control reserve of electric power by feedwater flow rate change through an additional economizer - A case study of the thermal power plant "Nikola Tesla B"
(Pergamon-Elsevier Science Ltd, Oxford, 2018)
Coal-fired thermal power plants (TPPs) had been generally designed to cover base loads of electricity consumption. Nowadays, they should be flexible to participate in the primary frequency control of electric system, ...