Autor: Górnik, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The effect of apple seed stratification with growth regulators on breaking the dormancy of seeds, the growth of seedlings and chlorophyll fluorescence
Autorzy:: Gornik, K.
Grzesik, M.
Janas, R.
Zurawicz, E.
Chojnowska, E.
Goralska, R.
Powiązania:: https://bibliotekanauki.pl/articles/1912.pdf
Data publikacji:: 2018
Wydawca:: Instytut Ogrodnictwa
Tematy:: apple seed
seedling growth
Gold Milenium cultivar
Lobo cultivar
Sampion cultivar
seed dormancy removal
seed germination
stratification
growth regulator
chlorophyll fluorescence
Źródło:: Journal of Horticultural Research; 2018, 26, 1
2300-5009
Pojawia się w:: Journal of Horticultural Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effectiveness of pulsed radio frequency in seed quality improvement of vegetable plant species
Autorzy:: Janas, R.
Górnik, K.
Grzesik, M.
Romanowska-Duda, Z.
van Duijn, B.
Powiązania:: https://bibliotekanauki.pl/articles/2082637.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: seeds
lettuce
beetroot
garden dill
pulsed
radio frequency
health status
Opis:: The most significant problem, in ecological vegetable seed production, is low, capacity which is mainly caused by high rates of seed infection with fungi and a shortage of effective biological agents to eliminate pathogens. Therefore, proecological methods of seed quality enhancement are being researched, with the aim of increasing the profitability of seed production by improving the seed sowing value. The aim of the work was to evaluate the effectiveness of pulsed radio frequency on the seed quality of selected vegetable cultivars. The results obtained from research conducted in laboratory, greenhouse and field conditions indicate the protective effect of pulsed radio frequency treatment of seeds by a reduction in the incidence of beetroot, lettuce and garden dill seed-borne fungi, and an improvement in their health status and germination capacity. The presowing application of pulsed radio frequency resulted in a 60-80% reduction of seed infestation with fungi, depending on the plant species. This treatment improved the dynamics of seed germination, plant emergence, growth, and increased the chlorophyll content and gas exchange in leaves. The most beneficial results were obtained in beetroot, in which the problem of seed production is associated with a high rate of seed infestation with mycoflora and the presence of germination inhibitors in the seed coat. The results indicate the high efficiency of the applied pulsed radio frequency and its usefulness in ecological and integrated seed production.
Źródło:: International Agrophysics; 2019, 33, 4; 463-471
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The effect of lead free cap on the doses of ionizing radiation to the head of interventional cardiologists working in haemodynamic room
Autorzy:: Grabowicz, Włodzimierz
Masiarek, Konrad
Górnik, Tomasz
Grycewicz, Tomasz
Brodecki, Marcin
Dabin, Jérémie
Huet, Christelle
Vanhavere, Filip
Domienik-Andrzejewska, Joanna K.
Powiązania:: https://bibliotekanauki.pl/articles/2152963.pdf
Data publikacji:: 2022
Wydawca:: Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:: radiation protection
interventional cardiology
skin dose
lead free cap
brain dose
interventional physicians
Opis:: Objectives The study aim was to analyse the influence of the lead free cap on doses received by interventional cardiologists. The impact of lead free cap on doses to the head were evaluated in number of studies. As different methods used to assess the attenuation properties of protective cap can lead to ambiguous results, a detailed study was performed. Material and Methods The effectiveness of a lead free cap in reducing the doses to the skin was assessed in clinic by performing measurements with thermoluminescent dosimeters attached inside and outside the cap first during individual coronary angiography (CA) or CA/percutaneous transluminal coronary angioplasty (CA/PTCA) procedures and then cumulated during few procedures of the same type. In order to investigate the effect of the cap on reducing the doses to the brain additional measurements were performed with a male Alderson Rando and polymethyl methacrylate (PMMA) phantoms representing the physician and the patient, respectively for different projections. The brain dose per procedure, annual and cumulated during entire working practice were estimated for both cases working with and without the cap. Results The dose reduction factor (RF) for the skin (the quotient of doses outside and inside the cap) vary from 1.1 up to 4.0 in clinical conditions; on average 2.3-fold reduction is observed in the most exposed left temple. The RFs determined for the part of the head covered by the cap range from 1.4 to 1.8 while for the brain from 1.0 to 1.1 depending on the projection. The estimated annual brain dose for interventional cardiologist performing yearly 550 CA/PTCA procedures without any protective shields is 7.2 mGy and it is reduced with the lead free cap by an average factor of 1.1. Conclusions The study results proved the considerable effectiveness of lead free cap to protect the skin but very limited to protect the brain.
Źródło:: International Journal of Occupational Medicine and Environmental Health; 2022, 35, 5; 549-560
1232-1087
1896-494X
Pojawia się w:: International Journal of Occupational Medicine and Environmental Health
Dostawca treści:: Biblioteka Nauki

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