Search results for "CA [SR]"

Autecology and ex situ growth of Leontopodium nivale subsp. nivale (Asteraceae) from North Pirin marbles (SW Bulgaria)

2018

Kozuharova, E., Panayotov, M. & Spadaro, V.: Autecology and ex situ growth of Leontopodium nivale subsp. nivale (Asteraceae) from North Pirin marbles (SW Bulgaria). — Fl. Medit. 28: 187-206. 2018. — ISSN: 1120-4052 printed, 2240-4538 online. Leontopodium nivale subsp. nivale is a local and disjunct endemic of the central Apennines in Italy and the Pirin Mountains in Bulgaria. The aim of this study is to investigate in situ microhabitat specifics and ex situ ontogenesis regarding the possible future cultivation and to evaluate hazards for wild populations in conditions of human impact and climate change. Leontopodium nivale subsp. nivale is stenobiont which is difficult to grow ex situ and t…

Seed germination of endemic species from Sicily

2009

Contributions for a vascular flora of Tuscany. XIII (813-873)

2021

New localities and/or confirmations concerning 61 specific and subspecific plant taxa of Tuscan vascular flora, belonging to 56 genera and 25 families are presented: Delosperma (Aizoaceae), Ridolfia (Apiaceae), Dracunculus (Araceae), Gamochaeta, Hieracium, Matricaria, Rhagadiolus, Senecio, Tolpis (Asteraceae), Atriplex (Amaranthaceae), Iberis, Thlaspi (Brassicaceae), Legousia (Campanulaceae), Canna (Cannaceae), Lonicera, Symphoricarpos, Valerianella (Caprifoliaceae), Sabulina, Scleranthus, Silene (Caryophyllaceae), Sedum (Crassulaceae), Carex, Cyperus, Eleocharis (Cyperaceae), Orthilia (Ericaceae), Acacia, Albizia, Astragalus, Lathyrus, Medicago, Trifolium, Trigonella (Fabaceae), Streptopus…

La conservazione delle specie di interesse forestale nella Banca del germoplasma dell’Orto Botanico di Catania.

2008

Constituciones vigentes de los principales Estados de Europa y América

Data a la cob.: 1866 V.3 : América. - 254 p. ; 23 cm

Entre la reforma y la revolución. La labor del Gobierno Provisional de la Segunda República Española (abril-octubre de 1931)

2014

La presente tesis doctoral se centra en analizar la actividad desarrollada por el Gobierno Provisional de la República Española desde su toma de posesión el día 14 de abril de 1931 hasta su primera crisis ministerial, acaecida en la madrugada del día 14 de octubre del mismo año. Tomando como fuentes documentales la prensa de la época y las publicaciones legislativas oficiales, se analiza el curso de los acontecimientos políticos más relevantes del periodo, comenzando por el propio proceso de transición política de la Monarquía a la República, con las primeras medidas de institucionalización jurídica del nuevo régimen, tales como la aprobación del Estatuto Jurídico de la República, los nombr…

Riflessioni a margine della didattica

2007

Il testo riassume l'esperienza didattica condotta dall'Autore nell'ambito del Laboratorio di Restauro dei Monumenti, da lui tenuto nell'a.a. 2005-06. Di questa ne sintetizza le linee guida, i contenuti e i risultati finali. Il testo è corredato da una selezione di elaborati grafici prodotti dagli studenti, da fotografie e da due brevi contributi dei docenti dei moduli afferenti al Laboratorio stesso.

Effects of continuous and rotational grazing of different forage species on ewe milk production

2012

Abstract The aim of this research was to evaluate the effects of continuous and rotational grazing of different forage species on milk production in ewes. The forage species were chicory (Cichorium intybus L.), a mixture of oat (Avena sativa L.) and berseem clover (Trifolium alexandrinum L.), and sulla (Hedysarum coronarium L.). Forty ewes were divided into 5 groups, and subjected to one of the following treatments: continuous grazing on chicory, continuous grazing on the mixture, continuous grazing on sulla, rotational grazing on the mixture, or rotational grazing on sulla. Among the species continuously grazed, chicory showed a lower biomass than the mixture, or sulla. Ewes grazing chicor…

In-situ monitoring by Raman spectroscopy of the thermal doping of graphene and MoS2 in O-2-controlled atmosphere

2017

The effects of temperature and atmosphere (air and O2) on the doping of monolayers of graphene (Gr) on SiO2 and Si substrates, and on the doping of MoS2 multilayer flakes transferred on the same substrates have been investigated. The investigations were carried out by in situ micro-Raman spectroscopy during thermal treatments up to 430 °C, and by atomic force microscopy (AFM). The spectral positions of the G and 2D Raman bands of Gr undergo only minor changes during treatment, while their amplitude and full width at half maximum (FWHM) vary as a function of the temperature and the used atmosphere. The thermal treatments in oxygen atmosphere show, in addition to a thermal effect, an effect a…

Graphene p-Type Doping and Stability by Thermal Treatments in Molecular Oxygen Controlled Atmosphere

2015

Doping and stability of monolayer low defect content graphene transferred on a silicon dioxide substrate on silicon are investigated by micro-Raman spectroscopy and atomic force microscopy (AFM) during thermal treatments in oxygen and vacuum controlled atmosphere. The exposure to molecular oxygen induces graphene changes as evidenced by a blue-shift of the G and 2D Raman bands, together with the decrease of I2D/IG intensity ratio, which are consistent with a high p-type doping (∼1013 cm-2) of graphene. The successive thermal treatment in vacuum does not affect the induced doping showing this latter stability. By investigating the temperature range 140-350 °C and the process time evolution, …