Issue 3/1995

Some knowledge concernig fuel cells PDF 39.2 MB

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PETRLÍK,J.2 - 6
Present trends in heating and air conditioning of the Czech rolling-stock PDF 39.2 MB

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Specificities of air conditioning of railway vehicles determinated for high running speeds are presented there. Modernization of heating, venti/ating and automatic temperature control of loca! and suburban traffic vehicles is discussed there. Heat conditions in the engine drive's cabin as a constituent part of safety of operation are mentioned there too.
VONDRÁK O.7 - 10
Noise reduction (Part No.1-) PDF 39.2 MB

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NOVÝ,R.11 - 12
Control of difficile air conditioning and heating equipments PDF 39.2 MB

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The possibility to use an equipment with the controlled atenuation of temperature oscillations for automatic control of an air conditioning system with close temperature tolerances and for making the operation of thermaly inertial heating systems more economical is presented in the paper there. Intentional introducing of pulses into automatic control systems allows to bridge over difficulties fetched along by dead time of the controlled system.
HEMZAL K.13 - 18
Air conditioning of operating rooms PDF 39.2 MB

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KADLEC M.19 - 22
Inside water piping - preliminary dimensioning - (Part No. 1) PDF 39.2 MB

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ONDROUŠEK K.25 - 28
Energy savings during operation of reconstructed air conditioning equipments in Investa a.s. buildings PDF 39.2 MB

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NOVOTNÝ R.29 - 33
Tests of the EKVITA hot water pump PDF 39.2 MB

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HORÁK,V.41 - 42
Filtration of harmful substances from air by means of solid sorbents PDF 39.2 MB

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BRYCH,J.45 - 46
Return on investment - energy savings PDF 39.2 MB

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VAJSAR,J.47 - 51
Fire dampers in HVAC equipments PDF 39.2 MB

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HAVEL,M.52 - 53
Attestation of products qualities and involved problems PDF 39.2 MB

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The paper deals with problems concerning attestation of products' qualities and testing of products from the point of view of the testing laboratory personnel. Indication of the essential requisites and law relations is very important for customersl; protection.
KUNZL,Z.57 - 58
Heat pumps and unit boiler heating plants have great advantages for environment PDF 39.2 MB

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PTÁČEK R.60 - 61