Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Jiri Fryc"'
Autor:
Tomas Losak, Jaroslav Hlusek, Andrea Zatloukalova, Ludmila Musilova, Monika Vitezova, Petr Skarpa, Tereza Zlamalova, Jiri Fryc, Tomas Vitez, Jan Marecek, Anna Martensson
Publikováno v:
Journal of Sustainable Development of Energy, Water and Environment Systems, Vol 2, Iss 4, Pp 309-318 (2014)
This study examined the potential for the use of digestate from biogas plants for the fertilisation of kohlrabi. Kohlrabi was grown in two pot experiments in consecutive years using digestate, mineral fertiliser (urea) with a nitrogen (N) content equ
Externí odkaz:
https://doaj.org/article/ac50754ed098488eaaebc9df5ae7f288
Autor:
Monika Vitezova, Jan Mareček, Tomáš Lošák, Andrea Zatloukalová, Jaroslav Hlušek, Jiri Fryc, Ludmila Musilová, Tomas Vitez, Petr Škarpa, Tereza Zlámalová, Anna Mårtensson
Publikováno v:
Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 2
Issue 4
Journal of Sustainable Development of Energy, Water and Environment Systems, Vol 2, Iss 4, Pp 309-318 (2014)
Volume 2
Issue 4
Journal of Sustainable Development of Energy, Water and Environment Systems, Vol 2, Iss 4, Pp 309-318 (2014)
This study examined the potential for the use of digestate from biogas plants for the fertilisation of kohlrabi. Kohlrabi was grown in two pot experiments in consecutive years using digestate, mineral fertiliser (urea) with a nitrogen (N) content equ
Parameters setting of Frequency Converter PI regulation to ensure the vacuum of the milking process.
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0253427 (2021)
This paper presents regulation of an asynchronous induction motor so as to create a stable vacuum milk pump using Variable Frequency Drive (VFD). Contribution includes providing information about the usage of the VFD, which regulates the activity of
Externí odkaz:
https://doaj.org/article/7adb177f48b547a48e851c54775503ad
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 64, Iss 3, Pp 775-779 (2016)
Vacuum fluctuation was measured using three different vacuum control methods. Firstly, the use was made of a control valve delivered by the manufacturer; then, an additionally installed frequency converter was used. Lastly, a frequency converter fitt
Externí odkaz:
https://doaj.org/article/18375bee74b84680a57ee5895189f38b
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 62, Iss 5, Pp 1007-1014 (2014)
To ensure the desirable vacuum in the milking machines, use is currently made predominantly of rotary vacuum pumps. These vacuum pumps are driven by a squirrel-cage induction motor. Until recently, the vacuum in the system to achieve the required val
Externí odkaz:
https://doaj.org/article/a5874988bc3c464b83f3d7cf229aa532
Autor:
Tomáš Lošák, Tereza Zlámalová, Monika Vítězová, Jaroslav Hlušek, Petr Škarpa, Jiří Fryč, Tomáš Vítěz, Jan Mareček
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 62, Iss 1, Pp 161-166 (2014)
In a one-year vegetation pot experiment we compared the effect of the digestate from a biogas plant and mineral fertilisers on yield and quality parameters of kohlrabi, variety Moravia. Four treatments were used in the trial: 1) untreated control, 2)
Externí odkaz:
https://doaj.org/article/e0214085e958418b8d6977804a4a2d94
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 62, Iss 5, Pp 1057-1064 (2014)
Measuring in laboratory conditions was performed with the aim to collect a sufficient quantity of measured data for the qualified application of flat-plate coolers in measuring under real operating conditions. The cooling water tank was filled with t
Externí odkaz:
https://doaj.org/article/a30104ca9aac4e45b42589691d7625c4
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 61, Iss 6, Pp 1779-1784 (2013)
The method of drying maize for grain has been recently employed on a large scale in the Czech Republic not only thanks to new maize hybrids but also thanks to the existence of new models of drying plants. One of the new post-harvest lines is a plant
Externí odkaz:
https://doaj.org/article/024c21325b98446baa8e963cdf144e7e
Autor:
Jitka Langová, Donludee Jaisut, Ratiya Thuwapanichayanan, Charotorn Phowong, Jiří Štencl, Danijela Jovanovic, Jiří Fryč, Václav Vlášek
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 61, Iss 6, Pp 1769-1777 (2013)
Water sorption tests of Roselle (Hibiscus sabdariffa L.) carried out under laboratory conditions are presented together with mathematical analyses of the moisture sorption isotherms (MSI’s). Moisture equilibrium data for adsorption and desorption o
Externí odkaz:
https://doaj.org/article/edeee385851b4ed3a5fc55ec40b8e228
Publikováno v:
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 60, Iss 1, Pp 39-44 (2012)
This study concerns the analysis of operating anaerobic fermentation systems of agricultural biogas station and implementing a suitable system enabling the use of liquid biowaste. Based on the comparison of the technological solutions and operating p
Externí odkaz:
https://doaj.org/article/38a111cc176341489505c329641daff4