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Wyszukujesz frazę "Plachta, M." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Seasonal patterns of free proline and carbohydrate levels in cherry laurel (Prunus laurocerasus) and ivy (Hederea helix) leaves and resistance to freezing and water deficit
Autorzy:
Bandurska, H
Plachta, M.
Woszczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/41593.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
evergreen shrub
woody plant
seasonal change
temperature
climate
water-soluble carbohydrate
proline
free proline
carbohydrate level
leaf
cherry laurel
Prunus laurocerasus
ivy
Hedera helix
freezing resistance
water deficit
resistance
Opis:
Seasonal changes in the levels of water-soluble carbohydrates, free proline and tolerance to freezing and water deficit were studied in leaves of cherry laurel (Prunus laurocerasus) and ivy (Hedera helix). Frost and water deficit tolerance was estimated based on the measurement of electrical conductivity of aqueous media containing leaf discs that were previously treated with frost (–7°C) or polyethylene glycol solution (PEG 600), respectively. Carbohydrate content in leaves of examined species changed differently throughout the measurement period. In laurel leaves the highest carbohydrate level was found in February, while it was lowest in June. In contrast, in ivy leaves the highest carbohydrate content was recorded during summer (June, July), while the lowest in February. However, a lack of correlation between soluble carbohydrate level and membrane injury index was shown in this study. Free proline content in leaves of investigated species was the highest in early spring, i.e. April. The lowest level of free proline in laurel leaves was found in July, September and October, but in ivy from July to February. A negative correlation between proline content and membrane injury index observed in frost and PEG treated leaves of both species suggest that this amino acid may have resulted on membrane protection.
Źródło:
Dendrobiology; 2009, 62; 3-9
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
TEM Study of the Structural Properties of Nanowires Based on Cd, Zn, Te grown by MBE on Silicon Substrates
Autorzy:
Kaleta, A.
Kret, S.
Sanchez, A.
Bilska, M.
Kurowska, B.
Szczepańska, A.
Płachta, J.
Wojnar, P.
Wojciechowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/1032910.pdf
Data publikacji:
2017-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.05.Dz
81.07.-b
61.46.-w
62.23.Hj
81.07.Gf
61.46.Km
78.67.Uh
07.10.Pz
68.35.Gy
68.37.Lp
68.37.Og
68.37.Ma
Opis:
In this work we report on the atomic structures, elemental distribution, defects and dislocations of three types of semiconductor nanowires: ZnTe, CdTe, and complex ZnTe/(Cd,Zn)Te core/shell hetero-nanowires grown by a molecular beam epitaxy on (111) Si substrate using a vapor-liquid-solid mechanism. The structural properties and the chemical gradients were measured by transmission electron microscopy methods. The nanowires reveal mainly sphalerite structure, however wurtzite nanowires were also observed.
Źródło:
Acta Physica Polonica A; 2017, 131, 5; 1399-1405
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transformation of a large multi-speciality hospital into a dedicated COVID-19 centre during the coronavirus pandemic
Autorzy:
Król, Z.
Szymański, P.
Bochnia, A.
Abramowicz, E.
Płachta, A.
Rzepliński, R.
Sługocki, M.
Nowak, B.
Zaczyński, A.
Kozłowski, K.
Posobkiewicz, M.
Wierzba, W.
Powiązania:
https://bibliotekanauki.pl/articles/2085728.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
COVID-19
SARS-CoV-2
coronavirus pandemic
treatment in an infectious hospital
epidemic safety
organizational changes
Opis:
Introduction. The article describes the process of converting a large multi-specialized hospital into one dedicated to COVID-19 patients, and present established standards of work organization in all the wards and training system of the medical and supporting staff. The several weeks pandemic of the COVID-19 disease has forced the healthcare systems of numerous countries to adjust their resources to the care of the growing number of COVID-19 patients. Managers were presented with the challenge of protecting the healthcare workers from transmission of the disease within medical institutions, and issues concerning the physical and psychological depletion of personnel. Materials and method. Based on analyses of the structure and work processes in Central Clinical Hospital (CCH) reconstructive strategic plan was developed. It included: division of existing wards into observation and isolation wards; installing locks; weekly plan for supplying personal protection equipment (PPE); designating new access to the hospital and communication routes; training of medical and supporting staff. The plan was implemented from the first days of conversion of the hospital. Results. The wards of the CCH were converted for observation and isolation, and each one was fitted with sanitary locks. There was a big improvement in the supply of PPE for the medical staff. Separation of the ‘dirty’ and ‘clean’ parts of the CCH were attained, and widespread intensive training not only protected personnel against infections, but also diminished unrest which was discernable at the beginning of conversion. Conclusions. The transformation efforts will ultimately be appraised at the end of the epidemic, but the data looks encouraging. Two weeks after conversion, the testing of hospital Staff was started and by the end of April, 459 tests were had been conducted, of which only 11 were positive.
Źródło:
Annals of Agricultural and Environmental Medicine; 2020, 27, 2; 201-206
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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