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Year 2005 No 2

Achimovičová M., Godočíková E., Baláž P., Kováč J., Šatka A., Billík P.
INFLUENCE OF SODIUM ACETATE ON THE MECHANOCHEMICAL SYNTHESIS OF PBS NANOPARTICLES
Keywords: Mechanochemical synthesis|nanoparticles|soluble salt matrix|morphology|
No 2 (2005), p. 145-151
  mag01.pdf (278 kB)
mag01_eng.txt (1 kB)  

Pietriková A., Búgel M., Buršák M.
PREPARATION TECHNIQUE OF SILICAGEL FROM SERPENTINE
Keywords: silikagél|serpentinit|oxid kremičitý|kremičité sklá|
No 2 (2005), p. 152-160
  mag02.pdf (290 kB)
mag02_eng.txt (2 kB)  

Popczyk M., Budniok A., Scholl H., Blaszczyk T.
ELECTROLYTIC PRODUCTION AND CHARACTERIZATION OF NI-CO-P AND NI-W-P LAYERS
Keywords: Amorphous Ni-P matrix|cobalt|tungsten|electrolytic layers|
No 2 (2005), p. 161-165
  mag03.pdf (582 kB)
mag03_eng.txt (869 B)  

Niedbała J.
ELECTROCHEMICAL PRODUCTION OF NANOCRYSTALLINE LAYERS CONTAINING MOLYBDENUM
Keywords: nanocrystalline Ni-Mo alloys|amorphous Ni-Mo-P alloys|electrolytic layers|electrodeposition|corrosion resistance|
No 2 (2005), p. 166-170
  mag04.pdf (268 kB)
mag04_eng.txt (973 B)  

Krongtong V., Tuengsook P., Homkrajai W., Nisaratanaporn E., Wangyao P.
THE EFFECT OF RE-HEAT TREATMENTS ON MICROSTRUCTURAL RESTORATION IN CAST NICKEL SUPERALLOY TURBINE BLADE, GTD-111
Keywords: Microstructural Refurbishment|Rejuvenation|Re-Heat Treatment|Superalloys|Lifetime Extension|GTD-111|
No 2 (2005), p. 171-182
  mag05.pdf (1 MB)
mag05_eng.txt (2 kB)  

Vrchovinský V., Zrník J., Kvačkaj T., Wangyao P.
THE CREEP BEHAVIOURS AFTER DIFFERENT ROLLING CONDITIONS IN NICKEL BASE ALLOY
Keywords: Hot and Cold workings|Recrystallization|Annealing|Nickel base superalloy|Creep|
No 2 (2005), p. 183-195
  mag06.pdf (464 kB)
mag06_eng.txt (2 kB)  

Wangyao P., Polsilapa S., Nisaratanaporn E.
THE APPLICATION OF HOT ISOSTATIC PRESSING PROCESS TO REJUVENATE SERVICED CAST SUPERALLOY TURBINE BLADES
Keywords: Hot Isostatic Pressing (HIP)|Rejuvenation|Microstructural Repair|Nickel - Based Superalloy|
No 2 (2005), p. 196-206
  mag07.pdf (786 kB)
mag07_eng.txt (2 kB)  

Michalek K., Sawová M., Pindor J., Střasák P.
NUMERICAL SIMULATION OF THE EXTENT OF THE TRANSITION ZONE IN 150X150 MM CC-BILLETS
Keywords: transition zone|numerical simulation|
No 2 (2005), p. 207-218
  mag08.pdf (412 kB)
mag08_eng.txt (842 B)  

Rybár R., Végsöová E., Khouri S.
POSSIBILITY ANALYSIS OF THE SOLAR COLLECTORS’ INSTALLATION FOR THE HOT SERVICE WATER PREPARATION SYSTEM ON THE BALCONY RAILINGS OF BLOCKS OF FLATS
Keywords: solar collector|heating system|hot service water|renewable energy|
No 2 (2005), p. 219-224
  mag09.pdf (241 kB)
mag09_eng.txt (2 kB)  

Rybár R., Tauš P. , Végsöová E., Daňko J.
SUGGESTION OF THE HEATING SYSTEM RESTRUCTURALIZATION FOR DELIUS PAVILION
Abstract
Biomass energy refers to those forms of energy derived from plant or animal material, such as wood, straw, grass, and manure. The main partition of wood biomass material is the cellulose. Cellulose is defined as a polymer, or chain, of 6-carbon sugars; lignin is the substance, or “glue,” that holds the cellulose chain together. Biomass energy can be converted to fuel, serve as a feedstock for electricity and a building block for chemicals.
The use of biomass energy has the potential to greatly reduce our greenhouse gas emissions. Biomass generates about the same amount of carbon dioxide as fossil fuels, but every time a new plant grows, carbon dioxide is actually removed from the atmosphere. The net emission of carbon dioxide will be zero as long as plants continue to be replenished for biomass energy purposes. Wood is a common and traditional biomass fuel used in areas with a sufficient wood supply like East Slovakia.
Automated biomass systems can efficiently burn small-diameter wood that has no other potential use. They also provide a convenient way to use low-grade wood to heat buildings which are depend on not renewable energy heating systems especially with old installation equipment and low efficiency level.
Biomass heating systems consist of a number of elements, including a heating plant, which typically includes an automated biomass combustion system and a peak load and back-up oil-fired heating system, heat distribution system, and a wood fuel supply operation.
The appropriate choice usually depends on the heating load, the money available to invest in a biomass plant, and the financial viability of the specific option.
Result of Delius pavilion heating system conversion is to economize of power costs and to contribute in energy sources conversion in renewable energies trend.

Keywords: biomass energy|heating system|renewable energy|
No 2 (2005), p. 225-230
  mag10.pdf (236 kB)
mag10_eng.txt (2 kB)  

Imriš M., Soucy G., Fafard M.
CARBON CATHODE RESISTANCE AGAINST SODIUM PENETRATION DURING ALUMINUM ELECTROLYSIS – AN OVERVIEW
Keywords: Hall Heroult cell|Carbon Cathodes|Sodium penetration|Cathode treatments|
No 2 (2005), p. 231-243
  mag11.pdf (346 kB)
mag11_eng.txt (1 kB)