Search results for "POA"
showing 10 items of 245 documents
Biogas production from boreal herbaceous grasses – Specific methane yield and methane yield per hectare
2009
Abstract The objective of this study was to determine the specific methane yields of four grass species (cocksfoot, tall fescue, reed canary grass and timothy) cultivated under boreal conditions as well as how harvesting time and year of cultivation affects the specific methane yields per ha. The specific methane yields of all grasses and all harvests varied from 253 to 394 Nl CH4/kg volatile solids (VS) added. The average specific methane yield of the 1st harvest of all grasses was higher than the 2nd harvests. In this study the methane and energy yields from different harvest years were ranged from 1200 to 3600 Nm3 CH4/ha/a, corresponding from 12 to 36 MWh CH 4 /ha/a. The methane yield pe…
Hyaluronic acid-based two-stage medical therapy to unfold the aged face: The centrifugal approach
2020
Background: Facial aging is a multifactorial process characterized by structural changes to the dermis and ligaments, lipoatrophy in the fat pads and hypodermis, remodeling of the bony skeleton, change in muscle tonicity and tissue descent. Aims: The purpose of this study is to evaluate the efficacy of a hyaluronic acid-based treatment for the aging face that addresses all its causes in a caudal to cranial and medial to lateral direction: the centrifugal technique. Methods: Between March 2015 and January 2018, 187 patients were treated with a high G’ hyaluronic acid in two sessions, one/two weeks apart, to improve signs of facial aging, starting from the lower centrofacial area and progress…
Anaerobic digestion of grass silage in batch leach bed processes for methane production.
2007
Abstract Anaerobic digestion of grass silage in batch leach bed reactors, with and without a second stage upflow anaerobic sludge blanket (UASB) reactor, was evaluated. Sixty six percent of the methane potential in grass was obtained within the 55 days solids retention time in the leach bed–UASB process without pH adjustment, whereas in the one-stage leach bed process 20% of the methane potential in grass was extracted. In two-stage operation, adjustment of the pH of influent to the leach bed reactor to 6 with HCl led to inhibition of both hydrolysis/acidogenesis and methanogenesis. In the leach bed–UASB process 39% of the carbohydrates and 58% of the acid soluble lignin were solubilised wi…
La prospettiva gruppoanalitica soggettuale sui gruppi di formazione
2011
Biosynthesis of beauvericin and enniatins in vitro by wheat Fusarium species and natural grain contamination in an area of central Italy
2015
Contamination of wheat grain by beauvericin (BEA) and enniatins (ENs) is a global emerging mycotoxicological food problem. In this study, strains of Fusarium avenaceum (FA), Fusarium poae (FP), Fusarium equiseti and Fusarium sporotrichioides, all potential BEA and EN producers, isolated from 162 grain samples of durum and soft wheat harvested in 2009 and 2010 collected in an area of central Italy, were preliminarily screened for the presence of the esyn1 gene, encoding the multifunctional enzyme enniatin-synthetase for the detection of potential hexadepsipeptide-producing isolates. All positive isolates were tested for their ability to biosynthesize BEA and ENs in vitro. In addition, all wh…
Influence of the Interactions among Ecological Variables in the Characterization of Zearalenone Producing Isolates of Fusarium spp.
2004
To carry out the physiological characterization of Fusarium graminearum and F. culmorum isolates with regard to its zearalenone producing ability, an in-depth experiment with a full factorial design was conducted. The effects and mutual interactions of temperature, moisture, substrate and isolate on the production of the toxin were studied. The study was done with twelve isolates of Fusarium (7 of F. graminearum and 5 of F. culmorum). The analysis of variance shows that there is a complex interaction of all of these factors, which can influence the relative concentrations of the mycotoxin produced, and hence, the correct physiological characterization of the strain. All the tested cultures …
RVVS 2013
2013
Implementation of a web and mobile solution for vehicular management based on Aspects Architecture and Agile Methodologies: An educational approach f…
2017
espanolEn el presente articulo se detallan el analisis, aplicacion de metodologias agiles, y tecnologias de codigo abierto en el desarrollo de una aplicacion web y movil, para automatizar y controlar el parque automotor de la Universidad Tecnica Particular de Loja (UTPL), dicha aplicacion fue desarrollada por los profesionales en formacion del componente educativo Programacion Web en marco del proyecto Computacion Afectiva. Dentro de las funciones esenciales del aplicativo esta la gestion de vehiculos que implica el registro: ordenes de combustible y mantenimiento, facturas, proveedores, conductores y vehiculos; ademas de la gestion de prestamos de vehiculos que implica el registro de solic…
Note corologiche e problematiche di conservazione in Sicilia su Stipa austroitalica Martinovsky subsp. appendiculata (Celak.) Moraldo (Poaceae)
2011
Biogeographia vol. )O(X — 2011 (Pubblicato il 23 dicembre 2011) La Biogeografla della Sicilia Note corologiche e problematiche di conservazione in Sicilia su Stipa austroitalica Martinovsky subsp. appendicalata (CV:elak.) Moraldo (Poaceae) ORAZIO CALDARELLA, ALFONSO LA ROSA, LORENZO GLANGUZZI Universita dz’ Palermo, Dzpartimento dz’ Biologia Ambientale e Bz'oa'z'z/ersita‘, via Arc/Jirafi 38, 90123 Palermo (Italy) Key words: Sicily, Stipa azzstroitalica subsp. appendiculata, Poaceae, Habitats Directive. SUMMARY A survey on distribution, ecology and status of Sicilian population of Stipa au:t7'oitalica subsp. appmdiculata was carried out on the basis of literature, herbarium dat…