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Przejdź do strony domowej biblioteki Pedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaPedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie
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Wyświetlanie 1-10 z 22
Tytuł:
Morphological and molecular characterization of entomophthorales (Entomophthoromycota: Entomophthoromycotina) from Argentina
Autorzy:
Manfrino, Romina G.
Castrillo, Louela A.
López Lastra, Claudia C.
Toledo, Andrea V.
Ferrari, Walter
Jansen, Annette B.
Tematy:
morphological characteristics
molecular characteristics
Entomophthorales
Entomophthoromycota
Entomophthoromycotina
insect pest
host range
Argentina
Pokaż więcej
Wydawca:
Polskie Towarzystwo Botaniczne
Powiązania:
https://bibliotekanauki.pl/articles/11543394.pdf  Link otwiera się w nowym oknie
Opis:
We characterized 17 insect-pathogenic entomophthoralean fungal isolates (Entomophthoromycotina: Entomophthorales) using morphological and molecular techniques. We identified four species from various insect hosts: (i) Entomophthora planchoniana, six specimens from aphids; (ii) Pandora neoaphidis, three specimens from aphids; (iii) Zoophthora phalloides from an aphid; and (iv) Z. radicans, seven specimens from insects in the orders Diptera, Hemiptera, and Lepidoptera. Analysis of ITS1 data from E. planchoniana showed clustering in accordance to aphid host species. Entomophthora planchoniana from Macrosiphum euphorbiae clustered together, separate from the isolate from Myzus persicae. The P. neoaphidis specimens clustered with sequences from other aphid-pathogenic Pandora species in GenBank. In this study, Z. phalloides from Brevicoryne brassicae and Z. radicans from an unidentified species of Chironomidae (Diptera) in Argentina were characterized for the first time. The present study was initiated to elucidate the taxonomy of the entomophthoralean fungi in Argentina according to their morphological and molecular characters. The presented results emphasize the significance of the combination of molecular data and information on morphology, ecology, and host range for accurate identification of entomophthoralean and allied genera.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Red photonic glasses and confined structures
Autorzy:
Gonçalves, R. R.
Lukowiak, A.
Ristic, D.
Boulard, B.
Chiappini, A.
Chiasera, A.
Dorosz, D.
Marciniak, M.
Righini, G. C.
Ferrari, M.
Tematy:
glass photonics
rare earth ions
waveguides
integrated optics
glass-ceramic
microspheres
whispering gallery modes
SiO2-HfO2
SiO2-SnO2
fotonika szkła
jony pierwiastków ziem rzadkich
falowody
optyka zintegrowana
ceramika szklana
mikrokulki
SiO2- HfO2
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/953055.pdf  Link otwiera się w nowym oknie
Opis:
We present some recent results obtained by our team in rare earth doped photonic glasses and confined structures, in order to give some highlights regarding the state of art in glass photonics. To evidence the unique properties of transparent glass ceramics we compare spectroscopic and structural properties between the parent glass and the glass ceramics. Starting from planar waveguides we move to spherical microresonators, a very interesting class of photonic confined structures. We also conclude the short review with some remarks about the perspective for glass photonics.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
LOFAR Facet Calibration
Autorzy:
Best, P. N.
Bonafede, A.
Croston, J. H.
Orrú, E.
Miley, G. K.
Jarvis, M. J.
Rafferty, D. A.
Heald, G.
Ogrean, G. A.
Sridhar, S. S.
White, G. J.
Bîrzan, L.
Dijkema, T. J.
Murray, S. S.
Andrade-Santos, F.
Jones, C.
Brüggen, M.
van der Tol, S.
Sarazin, C. L.
Forman, W. R.
Chyży, Krzysztof
Sabater, J.
Intema, H. T.
Brunetti, G.
Dawson, W. A.
Ensslin, T.
Röttgering, H. J. A.
Simionescu, A.
van Weeren, R. J.
Rudnick, L.
Williams, W. L.
Ferrari, C.
de Gasperin, F.
Horellou, C.
Shimwell, T. W.
Hoeft, M.
Hardcastle, M. J.
Mevius, M.
Pizzo, R.
Kraft, R. P.
Cassano, R.
Stroe, A.
Opis:
LOFAR, the Low-Frequency Array, is a powerful new radio telescope operating between 10 and 240 MHz. LOFAR allows detailed sensitive high-resolution studies of the low-frequency radio sky. At the same time LOFAR also provides excellent short baseline coverage to map diffuse extended emission. However, producing high-quality deep images is challenging due to the presence of direction-dependent calibration errors, caused by imperfect knowledge of the station beam shapes and the ionosphere. Furthermore, the large data volume and presence of station clock errors present additional difficulties. In this paper we present a new calibration scheme, which we name facet calibration, to obtain deep high-resolution LOFAR High Band Antenna images using the Dutch part of the array. This scheme solves and corrects the direction-dependent errors in a number of facets that cover the observed field of view. Facet calibration provides close to thermal noise limited images for a typical 8 hr observing run at ∼ 5'' resolution, meeting the specifications of the LOFAR Tier-1 northern survey.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
A plethora of diffuse steep spectrum radio sources in Abell 2034 revealed by LOFAR
Autorzy:
Luckin, J.
Bonafede, A.
Sridhar, S. S.
Intema, H. T.
Sabater, J.
Röttgering, H. J. A.
Williams, W. L.
Ferrari, C.
Retana-Montenegro, E.
Orrú, E.
Hoang, D. N.
Heald, G. H.
White, G. J.
Brüggen, M.
Owers, M. S.
Enßlin, T. A.
van Weeren, R. J.
Shimwell, T. W.
Hoeft, M.
Haverkorn, M.
Best, P. N.
Hardcastle, M. J.
de Gasperin, F.
Morabito, L. K.
Horellou, C.
Stroe, A.
McKean, J. P.
Cassano, R.
Brunetti, G.
Pizzo, R.
Chyży, Krzysztof
Opis:
With Low-Frequency Array (LOFAR) observations, we have discovered a diverse assembly of steep spectrum emission that is apparently associated with the intracluster medium (ICM) of the merging galaxy cluster Abell 2034. Such a rich variety of complex emission associated with the ICM has been observed in few other clusters. This not only indicates that Abell 2034 is a more interesting and complex system than previously thought but it also demonstrates the importance of sensitive and high-resolution, low-frequency observations. These observations can reveal emission from relativistic particles which have been accelerated to sufficient energy to produce observable emission or have had their high energy maintained by mechanisms in the ICM. The most prominent feature in our maps is a bright bulb of emission connected to two steep spectrum filamentary structures, the longest of which extends perpendicular to the merger axis for 0.5 Mpc across the south of the cluster. The origin of these objects is unclear, with no shock detected in the X-ray images and no obvious connection with cluster galaxies or AGNs. We also find that the X-ray bright region of the cluster coincides with a giant radio halo with an irregular morphology and a very steep spectrum. In addition, the cluster hosts up to three possible radio relics, which are misaligned with the cluster X-ray emission. Finally, we have identified multiple regions of emission with a very steep spectral index that seem to be associated with either tailed radio galaxies or a shock.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
The LOFAR Two-metre Sky Survey : II. First data release
Autorzy:
Jackson, N.
Haverkorn, M.
Brienza, M.
Lakhoo, R.
Rowlinson, A.
Bourke, S.
Orrú, E.
Miley, G. K.
Morabito, L.
Cochrane, R.
McKean, J. P.
Sridhar, S. S.
Kondapally, R.
Dumba, C.
Morganti, R.
Dettmar, R. J.
Miskolczi, A.
Iacobelli, M.
Danezi, A.
Bacon, D. J.
O'Sullivan, S. P.
Sabater, J.
Intema, H. T.
Mechev, A. P.
Horellou, C.
Mevius, M.
Saxena, A.
Oonk, J. B. R.
Croston, J. H.
Hugo, B.
Jackson, C.
Roskowiński, C.
Schwarz, D. J.
Smith, D. J. B.
Nikiel-Wroczyński, Błażej
Chyży, Krzysztof
Jamrozy, Marek
Vermeulen, R.
Prandoni, I.
van Weeren, R. J.
Conselice, C. J.
Mahony, E. K.
Williams, W. L.
Nisbet, D.
Kunert-Bajraszewska, M.
Pizzo, R. F.
Enßlin, T. A.
Cassano, R.
Hale, C.
Emig, K. L.
Conway, J. E.
Botteon, A.
Drabent, A.
Tasse, C.
Mingo, B.
Savini, F.
Garrett, M. A.
Shulevski, A.
van Bemmel, I. M.
Heald, G. H.
Urquhart, S.
Rafferty, D.
Dijkema, T. J.
Callingham, J. R.
Brüggen, M.
van der Wiel, M. H. D.
Kokotanekov, G.
Mooney, S.
Wise, M. W.
Alegre, L.
Clarke, A. O.
Ferrari, C.
de Gasperin, F.
Hoeft, M.
Varenius, E.
Quinn, J.
Hoang, D. N.
Génova-Santos, R. T.
Gürkan, G.
Best, P. N.
Mirmont, M.
Bonafede, A.
Bonnassieux, E.
Jarvis, M. J.
Merloni, A.
White, G. J.
Heesen, V.
Smirnov, O.
Wilber, A.
Duncan, K.
Schrijvers, C.
Bester, L.
Harwood, J. J.
Mahatma, V.
Brunetti, G.
Röttgering, H. J. A.
Mandal, S.
Calistro Rivera, G.
Reich, W.
Shimwell, T. W.
Atemkeng, M.
Stacey, H. R.
Hardcastle, M. J.
Perkins, S.
Webster, B.
Beswick, R. J.
Goyal, Arti
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Wyświetlanie 1-10 z 22

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