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ULTRAVIOLET PROPERTIES OF GALACTIC GLOBULAR CLUSTERS WITH GALEX. I. THE COLOR-MAGNITUDE DIAGRAMS
Schiavon, Ricardo P.,Dalessandro, Emanuele,Sohn, Sangmo T.,Rood, Robert T.,O'Connell, Robert W.,Ferraro, Francesco R.,Lanzoni, Barbara,Beccari, Giacomo,Rey, Soo-Chang,Rhee, Jaehyon,Rich, R. Michael,Yo American Institute of Physics 2012 The Astronomical journal Vol.143 No.5
<P>We present Galaxy Evolution Explorer (GALEX) data for 44 Galactic globular clusters (GCs) obtained during three GALEX observing cycles between 2004 and 2008. This is the largest homogeneous data set on the UV photometric properties of Galactic GCs ever collected. The sample selection and photometric analysis are discussed, and color-magnitude diagrams (CMDs) are presented. The blue and intermediate-blue horizontal branch is the dominant feature of the UV CMDs of old Galactic GCs. Our sample is large enough to display the remarkable variety of horizontal branch shapes found in old stellar populations. Other stellar types that are obviously detected are blue stragglers and post-core-He burning stars. The main features of UV CMDs of Galactic GCs are briefly discussed. We establish the locus of post-core-He burning stars in the UV CMD and present a catalog of candidate asymptotic giant branch (AGB), AGB-manqué, post early-AGB, and post-AGB stars within our cluster sample.</P>
HISTORY OF STAR FORMATION OF EARLY TYPE GALAXIES FROM INTEGRATED LIGHT: STELLAR AGES AND ABUNDANCES
Schiavon, Ricardo P. The Korean Astronomical Society 2010 天文學論叢 Vol.25 No.3
I briefly review what has been learned from determinations of mean stellar ages and abundances from integrated light studies of early-type galaxies, and discuss some new questions posed by recent data. A short discussion of spectroscopic ages is presented, but the main focus of this review is on the abundances of Fe, Mg, Ca, N, and C, obtained from comparisons of measurements taken in integrated spectra of galaxies with predictions from stellar population synthesis models.
Regionalism in Europe and the ASIA-PACIFIC
Giuseppe Schiavone 한국유럽학회 2000 유럽연구 Vol.12 No.1
"The paper deals, first of all, with the issues concerning the shifting boundaries of the two regions under discussion, that is Europe and the Asia-Pacific, with special regard to developments in the post-cold war era. The most important intergovernmental bodies promoting cooperation in the economic and security fields established in the two regions are then described and their peculiarities emphasized. With a view to identifying points of convergence and divergence between the two regions, a number of features are discussed taking into consideration the basic principles and objectives, the different institutional mechanisms, the degree of political and economic homogeneity of the countries involved, the relevance of cultural factors and the role of the private sector. In the final remarks, the conclusion is put forward of a gradual narrowing of the institutional gap existing between the models of the two regions."
Sihem Dabbou,Laura Gasco,Luca Rotolo,Luisa Pozzo,Jian Ming Tong,Xiao Fang Dong,Patrizia Rubiolo,Achille Schiavone,Francesco Gai 아세아·태평양축산학회 2018 Animal Bioscience Vol.31 No.2
Objective: The present experiment has tested the effect of dietary alfalfa flavonoids (AAF) supplementation on the productive performances, carcass characteristics, meat quality and lipid oxidation of growing rabbits. Methods: One hundred and sixty crossbred rabbits (42 days old) were divided into four groups of forty animals each and were fed either a control diet (AAF0) or an AAF0 diet supplemented with 400, 800, or 1,200 mg of AAF/kg per diet (AAF4, AAF8, and AAF12, respectively) from weaning to slaughtering (102 days old). Performance data were recorded over a period of 60 days. At the end of the trial, 12 rabbits were slaughtered per group, and the carcass characteristics were recorded. Moreover, the plasma, liver and dorsal muscles were sampled from 12 rabbits/group, and were analyzed for lipid oxidation. Results: No significant differences were recorded for the performance, carcass characteristics and meat quality traits except for lightness parameter that was lower in the control group. Dietary AAF supplementation significantly (p<0.01) affected the malondialdehyde (MDA) levels of the frozen meat in a dose-related manner, with the lowest value (0.24 mg MDA/kg fresh meat) recorded in the AAF12 group samples. Conclusion: These findings indicated that the dietary inclusion of AAF in rabbit diets improved muscle oxidation stability with no adverse effects on the growth performance of the animals even if a slight impact on meat lightness color parameter was recorded.
Ana Beatriz Vilela Teixeira,Mariana Lima da Costa Valente,João Pedro Nunes Sessa,Bruna Gubitoso,Marco Antonio Schiavon,Andréa Cândido dos Reis 대한치과보철학회 2023 The Journal of Advanced Prosthodontics Vol.15 No.2
PURPOSE. This study incorporated the nanomaterial, nanostructured silver vanadate decorated with silver nanoparticles (AgVO3), into heat-cured resin (HT) at concentrations of 2.5%, 5%, and 10% and compared the adhesion of multispecies biofilms, surface characteristics, and mechanical properties with conventional heat-cured (HT 0%) and printed resins. MATERIALS AND METHODS. AgVO3 was incorporated in mass into HT powder. A denture base resin was used to obtain printed samples. Adhesion of a multispecies biofilm of Candida albicans, Candida glabrata, and Streptococcus mutans was evaluated by colony-forming units per milliliter (CFU/mL) and metabolic activity. Wettability, roughness, and scanning electron microscopy (SEM) were used to assess the physical characteristics of the surface. The mechanical properties of flexural strength and elastic modulus were tested. RESULTS. HT 10%-AgVO3 showed efficacy against S. mutans; however, it favored C. albicans CFU/mL (P < .05). The printed resin showed a higher metabolically active biofilm than HT 0% (P < .05). There was no difference in wettability or roughness between groups (P > .05). Irregularities on the printed resin surface and pores in HT 5%-AgVO3 were observed by SEM. HT 0% showed the highest flexural strength, and the resins incorporated with AgVO3 had the highest elastic modulus (P < .05). CONCLUSION. The incorporation of 10% AgVO3 into heat-cured resin provided antimicrobial activity against S. mutans in a multispecies biofilm did not affect the roughness or wettability but reduced flexural strength and increased elastic modulus. Printed resin showed higher irregularity, an active biofilm, and lower flexural strength and elastic modulus than heat-cured resin. [J Adv Prosthodont 2023;15:80-92]
Development of the ASHRAE Global Thermal Comfort Database II
Fö,ldvá,ry Lič,ina, Veronika,Cheung, Toby,Zhang, Hui,de Dear, Richard,Parkinson, Thomas,Arens, Edward,Chun, Chungyoon,Schiavon, Stefano,Luo, Maohui,Brager, Gail,Li, Peixian,Kaam, Soazig Elsevier 2018 Building and environment Vol.142 No.-
<P><B>Abstract</B></P> <P>Recognizing the value of open-source research databases in advancing the art and science of HVAC, in 2014 the ASHRAE Global Thermal Comfort Database II project was launched under the leadership of University of California at Berkeley's Center for the Built Environment and The University of Sydney's Indoor Environmental Quality (IEQ) Laboratory. The exercise began with a systematic collection and harmonization of raw data from the last two decades of thermal comfort field studies around the world. The ASHRAE Global Thermal Comfort Database II (Comfort Database), now an online, open-source database, includes approximately 81,846 complete sets of objective indoor climatic observations with accompanying “<I>right-here-right-now</I>” subjective evaluations by the building occupants who were exposed to them. The database is intended to support diverse inquiries about thermal comfort in field settings. A simple web-based interface to the database enables filtering on multiple criteria, including building typology, occupancy type, subjects' demographic variables, subjective thermal comfort states, indoor thermal environmental criteria, calculated comfort indices, environmental control criteria and outdoor meteorological information. Furthermore, a web-based interactive thermal comfort visualization tool has been developed that allows end-users to quickly and interactively explore the data.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The scope, development, contents, and accessibility of the Comfort Database is documented. </LI> <LI> The Comfort Database II includes approximately 76,000 complete sets of thermal comfort data. </LI> <LI> The Comfort Database provides access to the collected raw data. </LI> <LI> Web-based interactive visualization tool was developed that allows end-users to interactively explore the data. </LI> </UL> </P>