Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Przemysław Tabaka"'
Publikováno v:
Molecules, Vol 29, Iss 9, p 2145 (2024)
Plant in vitro cultures can be an effective tool in obtaining desired specialized metabolites. The purpose of this study was to evaluate the effect of light-emitting diodes (LEDs) on phenolic compounds in Rhaponticum carthamoides shoots cultured in v
Externí odkaz:
https://doaj.org/article/17ed31d6db964c59ab07c0f0705129ba
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 71, Iss 6 (2023)
Light pollution has a detrimental effect on astronomy. Artificial light emitted from outdoor lighting increases the brightness of the night sky, making it difficult to observe astronomical objects. The spectral power distribution of artificial light
Externí odkaz:
https://doaj.org/article/c524d92611854aa48ca3bef3987ef81e
Autor:
Maria Strąkowska, Sebastian Urbaś, Mariusz Felczak, Błażej Torzyk, Iyad S. M. Shatarah, Rafał Kasikowski, Przemysław Tabaka, Bogusław Więcek
Publikováno v:
Sensors, Vol 24, Iss 5, p 1471 (2024)
This paper presents a simple engineering method for evaluating the optical power emitted by light-emitting diodes (LEDs) using infrared thermography. The method is based on the simultaneous measurement of the electrical power and temperature of an LE
Externí odkaz:
https://doaj.org/article/f9777ab26c9548a882213edfa672c64e
Autor:
Przemysław Tabaka, Paweł Rózga
Publikováno v:
Metrology and Measurement Systems, Vol 27, Iss 3, Pp 541-557 (2020)
This article is focused on considerations based on experimental studies concerning changes of selected parameters of identical compact fluorescent lamps (CFLs) intended for use in buildings during their operation. The studies constituted a long-term
Externí odkaz:
https://doaj.org/article/c971bed5af474374b2bcebfd7e820be1
Autor:
Przemysław Tabaka, Irena Fryc
Publikováno v:
PRZEGLĄD ELEKTROTECHNICZNY. 1:48-51
Autor:
Izabela Grzegorczyk-Karolak, Wiktoria Ejsmont, Anna Karolina Kiss, Przemyslaw Tabaka, Wiktoria Starbała, Marta Krzemińska
Publikováno v:
Molecules, Vol 29, Iss 11, p 2626 (2024)
Callus cultures of the Iranian medicinal plant Salvia atropatana were initiated from three-week-old seedlings on Murashige and Skoog (MS) medium supplemented with α-naphthaleneacetic acid (NAA) and various cytokinins. Although all tested hormonal va
Externí odkaz:
https://doaj.org/article/5b7a640248264722bb08576a4d77e85a
Analiza parametrów elektrycznych zamienników żarówek głównego szeregu przystosowanych do ściemniania
Autor:
Przemysław Tabaka
Publikováno v:
PRZEGLĄD ELEKTROTECHNICZNY. 1:102-108
Publikováno v:
Proceedings of Electrotechnical Institute. 62:83-100
Autor:
Przemyslaw Tabaka, Justyna Wtorkiewicz
Publikováno v:
Energies, Vol 15, Iss 16, p 5847 (2022)
The article presents spectral sensitivity curves of 22 typical luxmeters and 3 smartphones as a result of laboratory measurements. Based on the measurement data, errors in the spectral correction of the considered instruments and devices were calcula
Externí odkaz:
https://doaj.org/article/78c7f8e5aac44e75a83f674fd114d4e9
Autor:
Przemyslaw Tabaka
Publikováno v:
Energies, Vol 14, Iss 19, p 6383 (2021)
According to the European Union (EU) regulations, EU members are obligated, among others, to improve the energy efficiency in the outdoor lighting sector. One of the ways to consider this fact is to install LED sources in luminaires. Due to the reaso
Externí odkaz:
https://doaj.org/article/a100eaa04833483393be769fe48cff13