WWW. KONFERENCIE. NET
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VII. REFRACTORIES, FURNACES AND THERMAL INSULATIONS
VII. ZIAROMATERIALY, PECE A TEPELNE IZOLACIE
CESTNE PREDSEDNICTVO- HONORARY COMMITTEE
PROGRAM KONFERENCIE- PROGRAMME ofthe CONFERENCE
Dr.h.c. prof. Ing. Anton CIZMAR, CSc- Rector of the Technical University, Kosice
doc. Dr. Ing. Peter HORNAK- Dean of the Faculty of Metallurgy of the Technical University, Kosice
Dip!. Ing. Rudolf MALLWEGER- General Manager of the CALDERYS GmbH, Austria
Ing. Stefan MRAZ- President of the Temostav-Mciz, s.r.o., Kosice
Ing. Vladimir CHUDY- President of the Association of the Czech and Slovak Refractories Producers
Dip!. Ing. Eduard DLUGOSCH - General Manager of the Intocast, a.s. Kosice
Ing.Jan ECER- General Manager of the Ditherm, a.s. Praha
doc. Ing. Ladislav LUKAC, CSc. - International School of Management Slovakia, Pre5ov
17. 4. 2012 - UTOROK /17th APRIL 2012 -TUESDAY
9:00
13:15- 14:00 Slavnostne otvorenie- Welcome Opening
doc. Ing. Ladislav LUKAC, CSc.
Predseda konferencie
General Chairman of the conference
Privitanie- Welcome
Rektor Technickej Univerzity v Kosiciach
Rector of the TechniCal University, Kosice, Slovakia
VEDECKYVYBOR KONFERENCIE- SCIENTIFIC COMMITTEE of the CONFERENCE
prof. Ing. Augustin VARGA, CSc.- Faculty of Metallurgy of the Technical University, Kosice
doc. Ing. Pavol VADASZ, CSc. - Faculty of Metallurgy of the Technical University, Kosice
Ing. Stefan MRAZ - President of the Temostav-Mraz, s. r. o., Kosice
Ing. Karel LANG, CSc. - President of the Czech Silicate Socie ty
Dr. Ing. Michal PRIBYL - Promat, s. r. o., Praha
Ing. Ivan PRIESOL- I.P.C. Refractories, spol. s r.o., Kosice
Ing. Anton ADAMOVIC - Manager of the Termostav Bratislava s.r.o.
Dip!. Ing. Alfred KONIG- Sales Manager of the CALDERYS GmbH, Austria
Ing. Frantisek TOMSU, esc. - Bratislava
Dekan Hutnickej fakulty Technickej univerzity v Kosiciach
Dean of the Faculty of Metallurgy of the Technical University, Kosice
Zahajenie konferencie- Opening of the Conference
14:00-18:10 Prednasky, diskusia- Lectures, Discussion
Moderatori - Moderators: doc. Ing. Ladislav LUKAC, CSc., Ing. FrantiSek TOMSU, CSc.
14:00- 14:15 Ziaruvzdorne materialy z oceliarenskeho priemyslu
Refractory raw materials from the steel industry
RICHTER, F.- Mineralmahlwerk Westerwald Horn GmbH & Co. KG, Weitefeld, GERMANY
SEIFERT, H.- TU Bergakademie Freiberg, GERMANY
PRIPRAVNYVYBOR- CONFERENCE STEERING COMMITTEE
doc. Ing. Ladislav LUKAC, CSc. - President of the Conference
doc. Ing. Pavol VADASZ, CSc.- Faculty of Metallurgy of the Technical University, Kosice
doc. Ing. Ladislav FROHLICH, CSc.- Faculty of Metallurgy of the Technical University, Kosice
Ing. Igor OLEJAR- Intocast Slovakia a.s. Kosice
Ing. Ivan PRIESOL- I.P.C. Refractories, spol. s r.o., Kosice
doc. Ing. Miroslav TATIC, CSc.- Faculty of Metallurgy of the Technical University, Kosice
Ing. Tomas LUKAC- Luma CAF
14:20-14:35 Navy spinel obsahujuci vapenato- hlinite cementy pre ziarobet6ny odolne voci kor6zii
New spinel containing calcium aluminate cements for corrosion resistant castables
PARR, C., FRYDA, H., WOHRMEYER, Ch., PAWLIG, 0.- Kerneos, S.A., Neuilly sur Seine Cedex,
FRANCE
14:40-14:55 Vyvoj a pouziti zarobeton~1 na zlabyvysokych peci
Development of Blast Furnace Trough Castables
MOLIN, A., KANTOR, C., PODWORNY,]. - Refrasil s.r.o., Ttinec- Konska, CZECH REPUBLIC
"
ODBORNf GARANT!- PROFESSIONAL GUARANTORS
prof. Ing. Augustin VARGA, CSc., tel.: +421-55/602 2425, e-mail: [email protected] .sk
doc. Ing. Pavol VADASZ, CSc. Tel.: +421-55/602 2806, e-m ail: p avol.vadasz@ tuke.sk
ORGANIZACNEZABEZPECENIE-CONFERENCESECRETARIAT
Ing. Tomas Lukac - Luma CAF
Nasajbe 1A
040 01 Kosice
SLOVAKIA
Mobile ph.: +421 907 99 00 80
E-mail: [email protected]
Web: www.konferencie.net
Prezentacia - Registration
"
15:00- 15:15 Hotove tvary pre strechy chladiacich rostov
Ready shapes for grate cooler roofs
LOUEN, M.- Calderys Refractory Solutions GmBH, Wiener Neudorf, AUSTRIA
15:20- 15:35 Charakteristicke vlastnosti a sp6soby vyuzitia novych druhov ziaruvzdornych materialov
a troskotvornych prisad z produkcie Magnezit Group v oceliarenskom priemysle
The characteristics and applications of new types of refractory materials and slag additives
from production of Magnezit Group in the Steel industry
SVIDRAN, I.- Slovmag, a.s., Lubenik, SLOVAKIA
15:40- 15:55 Sucha pracovna vymurovka medzipanvi v podmienkach SSM Strazske, a.s.
Dry tundish working linings in conditions of SSM Strazske, a.s.
NOVOTA, A.- Intocast Slovakia a.s., Kosice, SLOVAKIA
BAJUS, S.- Temostav-Mraz, s.r.o., Kosice, SLOVAKIA
TA.TIC, M.- Faculty of Metallurgy of the Technical University, Kosice, SLOVAKIA
16:00- 16:30 Prestavka na kavu - Coffee Break
Moderatori - Moderators: doc. Ing. Ladislav FROHLICH, CSc., Ing. Adam MOLIN
VII. ZIAROMATERIALY, PECE A TEPELNE IZOLACIE
VII. REFRACTORIES, FURNACES AND THERMAL INSULATIONS
16:30 - 16:45 Moznosti vyuzitia ziarobet6nov z produkcie spolocnosti Refrako v humickom priemysle a inych
odvetviach
Application opportunities of the concretes from Refrako production in metallurgical industry and
other brunches
CHUDfKOVA, D., PARNAHAJ,J., CHUDY, V.- Refrako, s.r.o., Kosice, SLOVAKIA
BOUNZIOVA,J.- U.S. Steel Kosice, s.r.o., SLOVAKIA
9:55- 10:25
Moden\ tori - Moderators: Ing. Karel LANG, CSc., Dr. Ing. Michal PRIBYL
10:25- 10:40 Technologicke opatrenia na zvysenie odolnosti proti nahlym zmenam teploty ziaruvzdornych
materialov
Technological measures to improve the thermal shock resistance of refractory materials
TOMSU, F., PALCO, S. - Bratislava, SLOVAKIA
ULBRICHT,]., DUDCZIG, S. - TU Bergakademie Freiberg, GERMANY
16:50- 17:05 Bezrizikove rychle vyhrievanie- nova generacia bezcementovych ziarobet6nov
Risk-Free Quick Heating-Up- A New Generation of No Cement Cas tables
WAGNER, W., LOUEN, M.- Calderys Refractory Solutions GmbH, Wiener Neudorf, AUSTRIA
10:45 -11:00 Stanovenf souCin itele teplene vodivosti zarovzdornych materialu die normalizovanych
·
p ostupu
Determination of the thermal conductivity of refractory materials in accordance with
standardized procedure
BURDA,]., VLCEK,].- VSB- Technical University of Ostrava, CZECH REPUBLIC
17:10 - 17:25 Prehl'ad Matrix hlinitanov pre tvo rbu z iaruvzdornych mate rialov
Review of Matrix Alumi nas for Refractory Formulations
SCHNABEL, M., KOCKEGEY-LORENZ, R., BUHR,. A.- Almatis GmbH, Ludwigshafen/Frankfurt, DE.
17:30- 17:45 Komplexne riesenie panvy ziaruvzdornymi vyrobkami spol. Ziaromat na elektrooceliarni v
ZDASa.s.
Comprehensive solution of lad les by refractories of Ziaromat in electric steelworks in ZDAS a.s.
DURIK, I.- Ziaromat a.s., Kalinovo, SLOVAKIA
MARTINEK, L., SUCHY, 0.- ZDAS a.s., Zcl'ar nad Sazavou, CZECH REPUBLIC
Prestavka n a kavu - Coffee Break
j
11:05- 11:20 Zarobetony se zvysenou odolnostf vuci alkalifm
Castables with increased alkali resistance
FIALA,]., PESEK,]., RYBAK, L., KUCERA, Z.- Zarohmoty, spol. s r.o., CZECH REPUBLIC
11:25 - 11:40 Nanobond- Nove rychle susenie bezcementoveho ziarobet6nu pre rych le vymurovky a opravy
Nanobond - The new quick drying No-Cement-Castable for fast lining and repairing
SCHEMMEL, T.,JANSEN, H., KESSELHEIM, B. - Refratechnik Steel GmbH, Duesseldorf,
GERMANY
17:50- 18:05 Hutny dinas - vlastnosti, vyroba a perspektivy
Den se silica- properties, production and perspectives
KOTOUCEK, M., KOVAR, P., VASICA, L., LANG, K. - P-D Refractories CZ, Velke Opatovice,
CZECH REP.
NEVRIVOVA, L.- VUT FAST, Brno, CZECH REPUBLIC
11:45 - 12:00 Vyhody standardizacie vlakna Suberwool Plus
The Advantages of standardising on Superwool Plus fiber
MAZURKIEWICZ, P.- Thermal Ceramics Polska, Gliwice, POLAND
18:30 - 21:00 Vecera- Supper
21:00 - 23:00 Ochutnavka vina -Wine tasting (Obchod s dobrym vfnom, s.r.o.)
12:05- 12:20 Vplyv r6znych mulitovych prekurzorov na vlastnosti po reznej hlinito- mulitovej keramiky
Effect of various mullite precursors on properties of porous alumina-mullite ceramics
ZAKE, I.- Riga Technical University, Institute of silicate materials, Riga, LATVIA
12:30
Obed- Lunch
14:15
Vol'ny program (relax centrum) - Free Programme (wellness)
19:00
Recepcia- Reception
18. 4. 2012 - STREDA 18th APRIL 2012 -WEDNESDAY
8:30- 12:25 Prednasky, diskusia- Lectures, Discussion
Moderatori - Moderators: doc. Ing. Pavol VADASZ, CSc., Ing. Anton ADAMOVIC
8:30 - 8:45
8:50- 9:10
9:15-9:30
9:35- 9:50
Nektere da!Si zajfmave aplikace regeneracnich systemu Regens-OVP Brno
Some other interesting applications of recovery systems of Regens-OVP Brno
KALOUSEK, Z. - Ostav vyuziti p lynu Brno, s.r.o ., CZECH REPUBLIC
Prenos tepla dr6tenymi cievkami
Heat transfer in wire coils
GYULAI, L., BIRO, A. G. - University of Miskolc, Department of Combustion Technology and
Thermal Energy, HUNGARY
Vliv vysoce emisivnfch kompozitnich povlaku nanesenych na vn itrnfm povrchu sten
elektricke pece na ohrev vsazky
The effect of high em issivity composite coatings deposited on the inner surface of the electric
furnace on the charge heating
VESELY, Z., HONNER, M.- University of West Bohemia, Plzeii, CZECH REPUBLIC
MAUER, M. - BG SYS HT s.r.o., CZECH REPUBLIC
Mereni spektralnich zavislostf emisivity zaruvzdornych materialu za vysokych re plot
Measurement of spectral emissivity of refractory materials at high temperatures
HONNER, M., VACfKOVA, P. - University of West Bohemia, Plzeii, CZECH REPUBLIC
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19. 4. 2012 - STVRTOK 19th APRIL 2012 -THURSDAY
8:30- 12:05 Prednasky, diskusia - Lectures, Discussion
Moderatori- Moderators: doc. Ing. Miroslav TATIC, CSc., Ing. Igor OLEJAR
8:30- 8:45
Meranie priepustnosti plynu a filtrovacich vlastnostf poreznej Al,O/Ti0 2 keramiky
Measuring o f gas permeability and filtering properties of porous Al2 0/Ti0 2 ceramic
BUTLERS, A.- Riga Technical University, Institute of silicate materials, Riga, LATVIA
8:50- 9:10
Vlastnosti poreznej mullitovej keramiky legovanej s MgO a vyrabanej me t6dou slip odlievania
Properties of Porous Mu llite Ceramics Doped with MgO and Produced by Slip Casting Method
MAHNICKA, L.- Institute of Silicate Materials of Faculty of Material Science and Applied
Chemistry of Riga Technical University, LATVIA
9:15- 9:30
Poruchy zarobet6 novycb monolitickych vyzdfvek
Defects of castable monolithic linings
VII. ZIAROMATERIALY, PECE A TEPELNE IZOLACIE
HENEK, M.- Prumyslova ke ramika, spol. s r.o. Rajec-]estrebi, CZECH REPUBLIC
FORMANEK,] ., KALINA,].- PKI-Teplotechna Brno spol. s r.o., CZECH REPUBLIC
9:35- 9:50
Paleny lupek z lokality Brezina, tradiCni surovina pro vyrobu zarovzdornych materialu
Burnt Fireclay from Brezina Deposit, the Traditional Raw Material for Manufacture of
Refractory Materials
NEVRIVOVA, L.- VUT FAST, OstavTHD, Brno, CZECH REPUBLIC
LANG, K., KOVAR, P., TVRDfK, L. - P-D Refractories CZ, Velke Opatovice, CZECH REPUBLIC
9:55- 10:25
Prestavka na kavu - Coffee Break
Moderatori - Moderators: Ing. Ivan PRIESOL, doc. Ing. Ladislav LUKAC, CSc.
10:25 -10:40 Tvarove izolacni zaromaterialy pro sklarsky prumysl, moznosti vyroby a zkouseni jejich
vlastnosti
Insulating refractory bricks for g lass industry, possibility of produc tions and testing of their
properties
KOVAR, P., LANG, K., TVRDfK, L., STROUHAL, T.- P-D Refractories CZ, Velke Opatovice,
CZECH REPUBLIC.
NEVRIVOVA, L.- VUT FAST, Ostav THD, Brno, CZECH REPUBLIC
10:45- 11:00 Skusenosti s aplikaciou monolitickej vymurovky v rotacnej peci
Experience with the application of monolithic lining in rotary oven
FILIPIAK, M. - Intocast Slovakia a.s., SLOVAKIA
11:05 - 11:20 Ziaruvzdorne materialy v metalurgii medi
Refractories in copper metallurgy
VADASZ, P., GRAMBALOVA, E., TOMASEK, K., VAJCIK, P.- Faculty of Metallurgy of the Technical
University, Kosice, SLOVAKIA
11:25 -11:40 Prienik chloridovych tavenin do ziaruvzdorneho materialu sustavy Al 20 f Si0 2
Penetration of chloride melts into the refractory material of system Al20 3- Si02
GRAMBALOVA, E., VADASZ, P. - Faculty of Metallurgy of the Technical University, Kosice,
SLOVAKIA
11:45 -12:00 Teplotny gradient a susiaci proces ziarobet6nu
Temperature gradient and drying proces of castable
FROHLICH, L., MARTONCfKOVA,J.- Faculty of Metallurgy of the Technical University, Kosice,
SLOVAKIA
12:05
Ukoncenie konferencie - Conclusion of the Conference
12:15
Obed- Lunch
VII. REFRACTORIES, FU RNACES AND THERMAL INSULATIONS
tlmocenie, recepcia, obce rstvenie, prenajom kongresovej saly at<f.
Ocastnici konfe rencie maj(• zabezpecene stravovanie (zacina vecerou 17. 4. 2012, konci 19. 4. 2012 obedom).
Stravova nie je pre (•castnika zabezpecene v tom hoteli, kde je ubytovany, okrem rautu, vid'. bod 6. Ubytovanie
a stravovan ie nad ramec konania konferencie je nutne nahlasi( organizatorovi konferencie.
Uhrada ucastnickeho poplatku do 15.3.2012 pre jedneho z autorov je podmienkou zaradenia
prednasky do zbornika.
3. Ucastnicky poplatok spolu s ubytovanim uhraate prevodom:
Vsetky bankove poplatky spojene s platbou zo zahranicia znasa prikazca.
Adresa banky: BRE Bank, SA, pobocka zahr. banky mBank v SR, Rajska 15/A, P.O.Box 372, 814 99 Bratislava
Cislo uctu: 4202501856/8360 IBAN: SK72 8360 5207 0042 0250 1856 SWIFT/ BIC: BREXSKBX
Ako variabilny symbol uved'te !CO plat.iacej organizacie, v pripade FO rodne Cislo ucastnika.
4. Cena ucastnickeho poplatku je stanovena podl'a Zakona c. 222/ 2004 Z. z. o dani z pridanej hodnoty
v zneni neskorsich pre dpisov.
5. Pri neucasti na konferencii dcastnfcky poplatok nevraciame, zbo rnik z prednasok prihlasenym dcastnikom
zasleme po konfe rencii.
6. Prezentacia: 17.4.2012 od 9.00 pri recepcii Hotela PALACE***.
Vsetky prednasky budd prebieha( v kongresovej sale Hotela PALACE***. Ochutnavka vina a raut sa uskutocni
v Atrium Hoteli***'.
7. Audiovizualna technika:
Diaprojektor, spatny projektor, notebook, videotechnika , dataprojektor, ozvucenie, flipchart.
8. DalSie moznosti prezentacie
v malej kongresovej sale bude mozne prezentova( firmu alebo vyrobky formou vystavneho stolika alebo
instalovanim vlastneho vystavneho panelu.
9. Ubytovanie: Pre vsetkych ucastnikov konferencie je zabezpecene ubytovanie v hoteloch:
Atrium Hotel ***' (87 izieb) a Hotel Palace Grand*''' (19 izieb), Hotel Palace''* (47 izieb), Hotel Branisko'"
(21 izieb). Vse tky ho tely sd od seba vzdialene do 200m.
Izby budd rezervovane len pre dcastnikov, ktorf po tvrdia svoj zauje m v , Zavaznej prihlaske" a uhradia vlozne
s poplatkom za ubytovanie do 31.3.2012.
Podrobnejsie o sluzbach v Atrium Hoteli .... sa doCitate na www.atriumhotel.sk.
V cene ubytovania je vitalny svet so saunami, miestny poplatok.
0 sluzbach v Hoteli Palace'" sa dozviete viae na www.kupelens.sk/sk/ hotel_palace.
10. Informacie o doprave:
autom- z Bratislavy po dial'nici D1 smer Zilina- Martin- Ruzomberok- Liptovsky Mikulas- Poprad, odtial'
odboCi( vfavo na cestu c. 534 Exit Vysoke Tatry, veddcej do Stareho Smokovca na razcesti odboCii vfavo smer
Strbske Pleso asi po 2 km ste na mieste. Podobne z Kosic po diafnici D1 smerom na Presov - Levoca- Poprad
a odtial' odboCi( vpravo na cestu c. 534 smer Stary Smokovec,
zeleznicou- do stanice Poprad s prestupom na elektriCku smer Strbske Pleso, zastavka Nary Smokovec,
www.cp.sk,
letecky- na letiska Poprad-Tatry, Kosice, Bratislava; spojenie pozri na www.csa.cz, www.slovak-airports.net
11. Rokovacie jazyky:
Rokovacimi jazykmi budd slovensky, ceskya anglicky jazyk- tlmocenie zabezpecene.
PARTICIPATION CONDITIONS AND INSTRUCTIONS:
INFORMACIE 0 KONFERENCII A PODMIENKY UCASTI:
1.
2.
Zavazne prih1asky zaslite najneskor do 31.3.2012
- e-mailom prostrednictvom on-line zavaznej prihlasky, ktoni mijdete na web stranke www.konferencie.net,
- alebo postou na adresu: Luma CAF, Na sajbe 1A, 040 01 Kosice, Slovensko
Tento termin je zavaznym pre zaplatenie ucastnickeho poplatku aj ubytovania.
Pop1atky na konferenciu:
Ocastnicky poplatok:
Ocastnik konferencie200 Eur
Poplatok jedneho z autorov prednasky 150 Eur
Doprevadzajdca osoba (manzel/manzelka)
osoba, ktora sa chce zdcastni( iba rece pcie 80 Eur
Vo vloznom sd zahrnute naklady na organizacne zabezpecenie konferencie, zbornik, tlmocnicke zariadenie,
1.
2.
Binding applications should be returned by March 31, 2012
-by e-mail through on-line binding application available at www.konferencie.net,
-or by regular mail to address: Na sajbe 1A, 040 01 Kosice, Slovakia
Deadline for conference fee and accommodation payment is March 31, 2012.
Fees
Conference fee:
200Eur
Participant of the confe rence
150Eur
Fee for one of the authors o f the paper
80Eur
Accompanying pe rson (husband/ w ife) attending the receptio n only
The Conference fee covers the expenses associated with organ ization o f the conference, conference
proceedings, inte rpreting equipment and interpreter, reception, refreshment, congress hall rental etc.
Meals for participants are provided in the hotel where participant is accommodated- starting with dinne r on
VII. ZIAROMATERIALY, PECE A TEPELNE IZOLACIE
17th of April 2012, ending with lunch on 19th of April2012 with the exception of the reception held in Hotel
Atrium***+.
Accommodation and meals beyond the scope of the conference should be arranged with the conference
organ izer.
The Conference fee payment of at least one of the lecturers in full amount is the condition for
a paper to be included in the Conference Proceedings.
3. Means of payment
All payments (conference fee, accommodation) must be settled via bank transfer.
All fees related to foreign payment should be paid by the sender/payer.
Bank address: BRE Bank, SA, branch of foreign bank mBank in SR, Rajska 15/A, P.O.Box 372, 814 99 Bratislava
Account number/bank code: 4202501856/8360 !BAN: SK72 8360 5207 0042 0250 1856 SWIFT/ BIC:
BREXSKBX
Exceptionally, it is possible to p ay the Conference Fee at the registration.
4. The conference fee is incompliance w ith the Act. No. 222/ 2004 Coli. on VAT in view of later enactments.
5. Cancellations
In case of cancellation the Conference Fee will not be returned to the participant, the Conference Proceedings
will be sent to the applied participant after the Conference.
6. Conference registration
Registration starts at 9am on April17, 2012 at the reception of Hotel Palace***. All lectures w ill be carried out in
the congress hall of Hotel Palace***. Vine tasting and the reception will be held in Atrium Hotel***'.
7. Technical equipment
The organizer of the conference provides the following technical equipment:
Slide projector
Overhead projector
Video equipment
Data projector with notebook
Audio equipment
Flipchart
8. Other presentation possibilities
In the small congress hall exhibitors are welcome to present their companies or products in form of an
exhibition table, alternatively by installing their own exhibition panel.
9. Accommodation
Reservations for all participants will be made in one of the following hotels:
Atrium Hotel***' (87 rooms) & Hotel Palace Grand**** (19 rooms, located ca 150m from the Atrium Hotel)
Reservations will only be held for those, who have confirmed their participation and paid all fees by
March 31st, 2012.
For more information about Atrium Hotel***' visit www.atriumhotel.sk
Prices of accommodation include local tax and entrance to the spa center.
For more information about Hotel Palace Grand**** visit www.kupelens.sk
10. Transportation to the hotel
By car
From Bratislava follow highway D1 direction Zilina - Martin - Ruzomberok - Liptovsky Mikulas - Poprad, here
take an exit to the road No. 534leading to Stary Smokovec, then turn left following d irections to Strbske Pleso
and after 2 km you w ill reach the hotel.
From Kosice follow highway D1 direction Presov - Levoca- Poprad, here turn right to road No. 534 following
directions to Stary Smokovec.
By railway- to the Poprad-Tatry train station, continuing by tram to direction Strbske Pleso reaching your
destination in Novy Smokovec
Fo r more information visit www.cp.sk
By air- to Poprad-Tatry, Kosice or Bratislava airport. You can find suitable air transportation at www.csa.cz,
www.slovak-airports.net.
11. Conference Languages
Languages used during the conference are Slovak, Czech & English. Interpreting is provided.
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