Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Lucyna Hemka"'
Publikováno v:
Bulletin of the Polish Academy of Sciences Technical Sciences. 64:915-923
This paper presents investigation of methods for reducing light pulsation and plasma temperature inside a high intensity discharge (HID) lamp arc tube. Differences found in light emission of an arc tube plasma channel under different power supply met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::319bb27660161f2fa41e6ab3efa9e475
https://doi.org/10.1515/bpasts-2016-0100
https://doi.org/10.1515/bpasts-2016-0100
Publikováno v:
Proceedings of Electrotechnical Institute. 63:79-94
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfb4cfd10fe9fa5a4100d45d643cc0e6
https://doi.org/10.5604/00326216.1210748
https://doi.org/10.5604/00326216.1210748
Autor:
Lucyna Hemka, K. Tomczuk
Publikováno v:
2018 Progress in Applied Electrical Engineering (PAEE).
This article presents research of temperature distribution inside discharge lamps arc tubes powered by different frequencies of electric energy at the same power. In presented research the electromagnetic 50 Hz ballast powered by mains and transistor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b363e2aca5f16a6857d0d3de5d66e0fd
https://doi.org/10.1109/paee.2018.8441147
https://doi.org/10.1109/paee.2018.8441147
Autor:
Maciej Rafałowski, Lucyna Hemka
Publikováno v:
Proceedings of Electrotechnical Institute. 62:55-66
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c49ff20e5cae4433dbb4316a4cbb7e4c
https://doi.org/10.5604/00326216.1191464
https://doi.org/10.5604/00326216.1191464
Publikováno v:
Proceedings of Electrotechnical Institute. 62:41-56
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::729ffcd2a8cd6875d37bdd846ca1adad
https://doi.org/10.5604/00326216.1159938
https://doi.org/10.5604/00326216.1159938
Autor:
A. Metera, Janina Gajc-Wolska, Lucyna Hemka, Katarzyna Mazur, D. Bujalski, Katarzyna Kowalczyk
Publikováno v:
Folia Horticulturae, Vol 25, Iss 2, Pp 153-159 (2013)
Light is one of the basic factors needed by plants for their development. The aim of this study was to measure the effect of supplementary lighting of tomato plants with HPS and LED lamps on the chosen physiological parameters and yielding of autumn-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ba3595fb4515b2746e90b3c7a5aa851
https://doi.org/10.2478/fhort-2013-0017
https://doi.org/10.2478/fhort-2013-0017