Search results for "hell"

Photoinduced dissociation of anionic and electron detachment of dianionic gold clusters by use of a laser pointer

2002

Abstract Size-selected anionic and dianionic gold clusters have been stored in a Penning trap and irradiated with the green light of a laser pointer. As examples of special interest, the systems Au 7 − and Au 29 2− have been chosen. In particular, Au 7 − , a small gold cluster with closed electron shell, is observed to decay into Au 6 − and Au 5 − with a decay pathway branching ratio similar to that of Au 9 + . The dianionic cluster Au 29 2− shows electron detachment upon photoexcitation. This observation is in agreement with independent experiments [Stoermer et al., Int. J. Mass Spectrom. 201 (2001) 63], where Au 29 2− is found to be the smallest dianion produced by neutral monomer evapora…

Chemical composition and biological activity of Salvia verbenaca essential oil

2011

Salvia verbenaca L. (syn. S. minore) is a perennial herb known in the traditional medicine of Sicily as “spaccapetri” and is used to resolve cases of kidney stones, chewing the fresh leaves or in decoction. The chemical composition of the essential oil obtained from aerial parts of S. verbenaca collected in Piano Battaglia (Sicily) on July 2009, was analyzed by GC and GC-MS. The oil was strongly characterized by fatty acids (39.5%) and carbonylic compounds (21.2%), with hexadecanoic acid (23.1%), ( Z)-9-octadecenoic acid (11.1%) and benzaldehyde (7.3%) as the main constituents. The in vitro activity of the essential oil against some microorganisms in comparison with chloramphenicol by the …

Cesarea di Mauretania: la piccola Grecia di Giuba II, tra bronzi e marmi

2020

Punic Iol, renamed Caesarea in honour of Augustus under Juba II, and promoted by the latter to the rank of capital of the kingdom of Mauretania entrusted to him by the princeps in 25 B.C., underwent a splendid phase of development on the model of Hellenistic cities precisely between the end of the 1st century B.C. and the first part of the 1st century A.D. It is very probable that Juba II, who had grown up in Rome, had provided Caesarea with a port, as the intense trade with the Iberian Peninsula, Gaul and Italy, from whose marble quarries material was extracted for architectural constructions and decorations, as well as from those in Greece, would prove. Caesarea has returned a complex of …

La vocazione centripeta. Una divergenza ideologica tra Libanio e Temistio di fronte alla prospettiva costantinopolitana dei buleuti di Antiochia

2016

Questa ricerca è incentrata su due personaggi, Temistio e Libanio, che sono esempio di intellettuali orientati verso una prospettiva volta a cogliere i profili di interazione sociale che la loro attività letteraria seppe contemplare. Se i due sono assimilabili per formazione culturale e professione, restano tuttavia ben distinti l’uno dall’altro per tutte le altre rispettive scelte di vita: dal 354 d.C. Libanio si stabilisce definitivamente ad Antiochia, un anno prima di quello in cui Temistio viene nominato senatore di Costantinopoli, inaugurando di seguito la sua carriera di intellettuale organico. L’opera di Temistio e quella di Libanio sono, in realtà, due manifestazioni tra loro antipo…

Characterization of paralytic shellfish toxins in seawater and sardines (Sardina pilchardus) during blooms of Gymnodinium catenatum

2010

Gamow-Teller response in the configuration space of a density-functional-theory–rooted no-core configuration-interaction model

2018

Background: The atomic nucleus is a unique laboratory in which to study fundamental aspects of the electroweak interaction. This includes a question concerning in medium renormalization of the axial-vector current, which still lacks satisfactory explanation. Study of spin-isospin or Gamow-Teller (GT) response may provide valuable information on both the quenching of the axial-vector coupling constant as well as on nuclear structure and nuclear astrophysics.Purpose: We have performed a seminal calculation of the GT response by using the no-core configuration-interaction approach rooted in multireference density functional theory (DFT-NCCI). The model treats properly isospin and rotational sy…

SEM–EDS ANALYSIS AS A RAPID TOOL FOR DISTINGUISHING CAMPANIAN A WARE AND SICILIAN IMITATIONS

2013

The aim of this work is to examine whether it is possible to find chemical markers that allow a distinction to be made between the imported black glossed ‘Campanian A’ and the Sicilian imitation (end of fourth to first century BC) of these productions by carrying out quantitative chemical microanalysis of the slip using the SEM–EDS technique. The efficiency of the proposed analytical method has been tested on a set of ceramic samples corresponding to Sicilian black gloss imitations whose ceramic body has already been characterized petrographically by thin-section microscopy and chemically by XRF. The analytical data point to Na2O as a suitable chemical marker to distinguish between original…

Gaia-ESO Survey: Gas dynamics in the Carina nebula through optical emission lines

2016

Aims. We present observations from the Gaia-ESO Survey in the lines of Hα, [N II], [S II], and He I of nebular emission in the central part of the Carina nebula. Methods. We investigate the properties of the two already known kinematic components (approaching and receding), which account for the bulk of emission. Moreover, we investigate the features of the much less known low-intensity high-velocity (absolute RV >50 km s) gas emission. Results. We show that gas giving rise to Hα and He I emission is dynamically well correlated with but not identical to gas seen through forbidden-line emission. Gas temperatures are derived from line-width ratios, and densities from [S II] doublet ratios. Th…

Revalorization of Almond By-Products for the Design of Novel Functional Foods: An Updated Review

2021

The search for waste minimization and the valorization of by-products are key to good management and improved sustainability in the food industry. The great production of almonds, based on their high nutritional value as food, especially almond kernels, generates tons of waste yearly. The remaining parts (skin, shell, hulls, etc.) are still little explored, even though they have been used as fuel by burning or as livestock feed. The interest in these by-products has been increasing, as they possess beneficial properties, caused by the presence of different bioactive compounds, and can be used as promising sources of new ingredients for the food, cosmetic and pharmaceutical industry. Additio…

Effect of Breed and Diet Type on the Freshness and Quality of the Eggs: A Comparison between Mos (Indigenous Galician Breed) and Isa Brown Hens

2020

Eggs are a nutritious food, offering a balanced source of essential amino and fatty acids, minerals, and vitamins. Genetic and diet factors can modify hen egg traits. Thus, the effects of breed and feed on egg quality using two laying hens, Mos (autochthonous breed) and Isa Brown (commercial hybrid), and three feeds, commercial fodder (CF), corn/pea/triticale (CPT) and corn/wheat (CW), were investigated. Freshness parameters (egg weight, eggshell weight and thickness, albumen height, Haugh units and yolk color), chemical composition, color and textural parameters, as well as fatty acid profile, were assessed on a total of 288 eggs, from the two breeds. The samples were divided in 96 eggs, c…