124,007 research outputs found
Main topics and discussions on ancient Greek houses of West Anatolia
No full textWIT Transactions on the Built Environment12th International Conference on Structural Repairs and Maintenance of Heritage Architecture, STREMAH 2011 -- 5 September 2011 through 7 September 2011 -- Chianciano Terme -- 88082The controversial research topics on ancient Greek houses of West Anatolia can be examined in three main categories; origins and development of house typologies; definition of home space and it's analysis in terms of structure, function and location; and relation between society and domestic architecture. The origins of space division of Classical houses are attributed to different traditions but usually limited archeological finds are not enough to prove these opinions. The houses of Classical Period have been classified as the "prostas house" and the "pastas house" after the first wide-ranged excavations. However, later excavations revealed new examples independent from both categories. Social and political structure is also found helpful to explain the organization of house space. However, the structure of Ancient Greek society is not clear in all aspects, yet some social evaluations like gender studies are usually tried to be explained by means of house organization contrarily. The inadequacy and heterogeneity of archeological remains, the classifications made without justified finds and the nature of domestic architecture that it is bound to individual initiative much more than public buildings are the basic reasons of the controversial topics. © 2011 WIT Press
Modeling aspects concerning the axial behavior of RC columns
No full textWIT Transactions on Engineering Sciences5th International Conference on Computational Methods and Experiments in Materials Characterisation, MC11 -- 13 July 2011 through 15 July 2011 -- -- 91472This paper is concerned with the axial behavior of the RC columns. Stress-strain relationships of experimentally tested RC columns under concentric loading are compared with the predictions of the Koksal model. Moment-curvature analyses of RC sections are also performed employing the same model in a self-developed moment-curvature program for confined concrete. Results are compared with the output of EXTRACT which uses the Mander concrete model. © 2011 WIT Press
VVV-WIT-13: An eruptive young star with cool molecular features
No full textContext.
Outburst phenomena are observed at different stages of stellar evolution, due to the enhancement of the mass accretion rate on protostars or even stellar merger events. In the case of a young stellar object (YSO), the episodic mass accretion event plays an important role in the pre-main-sequence stellar mass assembly. Here we investigate an infrared eruptive source (RA = 16:53:44.38; Dec = − 43:28:19.47), identified from the decade-long VISTA Variables in the Vía Láctea survey (VVV). We named this target after a group of variable sources discovered by VVV, as VVV-WIT-13, where WIT stands for ‘What is this?’, due to its unique photometric variation behaviour and the mysterious origin of the outburst. This target exhibited an outburst with a 5.7 mag amplitude in the
K
s
-band, remained on its brightness plateau for 3.5 years, and then rapidly faded to its pre-eruptive brightness afterwards.
Aims.
Our aim is to reveal the variable nature and outburst origin of VVV-WIT-13 by presenting our follow-up photometric and spectroscopic observations along with theoretical models.
Methods.
We gathered photometric time series in both near- and mid-infrared wavelengths. We obtained near-infrared spectra during the outburst and decaying stages on XSHOOTER/VLT and FIRE/Magellan, and then fitted the detected molecular absorption features using models from ExoMol. We applied 2D numerical simulations to re-create the observables of the eruptive phenomenon.
Results.
We observe deep AlO absorption bands in the infrared spectra of VVV-WIT-13, during the outburst stage, along with other more common absorption bands (e.g. CO). Our best-fit model suggests a 600 K temperature of the AlO absorption band. In the decaying stage, the AlO bands disappeared, whilst broad blue-shifted H
2
lines arose, a common indicator of stellar wind and outflow. The observational evidence suggests that the CO and TiO features originate from an outflow or a wind environment.
Conclusions.
We find that VVV-WIT-13 is an eruptive young star with instability occurring in the accretion disk. One favoured theoretical explanation of this event is a disrupted gas clump at a distance of 3 au from the source. If confirmed, this would be the first such event observed in real time.</p
The origin of massive O-type field stars: II. Field O stars as runaways
No full textIn two papers we try to confirm that all Galactic high-mass stars are formed in a cluster environment, by excluding that O-type stars found in the Galactic field actually formed there. In de Wit et al. (2004) we presented deep K-band imaging of 5 arcmin fields centred on 43 massive O-type field stars that revealed that the large majority of these objects are single objects. In this contribution we explore the possibility that the field O stars are dynamically ejected from young clusters, by investigating their peculiar space velocity distribution, their distance from the Galactic plane, and their spatial vicinity to known young stellar clusters. We (re-)identify 22 field O-type stars as candidate runaway OB-stars. The statistics show that 4 ± 2% of all O-type stars with V<8m can be considered as formed outside a cluster environment. Most are spectroscopically single objects, some are visual binaries. The derived percentage for O-type stars that form isolated in the field based on our statistical analyses is in agreement with what is expected from calculations adopting a universal cluster richness distribution with power index of β= 1.7, assuming that the cluster richness distribution is continuous down to the smallest clusters containing one single star
Novissima et accuratissima totius Americae description
No full text17th centuryCopper engraving handcolored with ink.
Outline color.
Printed in lower left corner in cartouche:
"Novissima et Accuratissima Totius Americae Descriptio. Per F. De Wit. Amstelodami."
Printed in upper left corner in cartouche surrounded by angels:
"America. Nomen nabet ab Americo Vesputio, Florentino, qui Emanuelis Portgalie Regis auspiciis. á Gadibus, Anno 1497 profectus primus ex Europaeis, quantum auidem constat, eam ingressus est. Quanquam prior christophorus Columbus, Genuensis, Anno 1492. Jussu Ferdinandi, Regis Castellae, Insulas Americae Hispaniolam, Cubam et Iamaicam detexerit."
Depicts California as an island and shows two seas labeled "Mare Vermio" and "Mare Rubrum" between California and the west coast of North America, Of note, "Nova Francia" or land belonging to France stretches from the west coast of North America to the east coast and up to Canada. British possession is seen only in Terra Labrador in Canada marked under "Nova Britagnia." The Canary Islands, the Cabo Verde islands and the Azores are displayed prominently off the coast of Africa.
The map depicts various animals in the midwest and western section of North America. Surrounding the title cartouche in lower left corner is a scene depicting natives showing obeyance and offering goods and services to their ruler who wears a crown of feathers. Within South America in "Brasilia," an image of two native tribes at war and a native village appear. Four figures surround the cartouche describing America, one an angel, one who is holding a cross, one who appears to be a depiction of evil and another wearing a native headdress.
Scale: 1:35,000,000.Frederik de Wit (1610-1698) was a major Dutch cartographer and publisher in Amsterdam. He founded his business in 1648 and produced a number of wall maps, world atlases, sea charts, and “town books” throughout the seventeenth century. In 1674, he purchased a few Blaeu map plates and later purchased some of Jannson’s plates. His work was very popular and he became well-known for his attractive engraving and coloring. His works include “Atlases” (c.a. 1670), “Atlas Minor” (1670), “Zee Atlas” (1675), “Atlas Belgium” (1666-7), “Atlas Major” (1690) and “Orbis Maritimus ofte Zee Atlas” (1675) (Moreland and Bannister, 115; Tooley 670).
This map was first produced in the 1670s, following an earlier map from a different plate published in 1660 (Burden, 458). Here de Wit shows that France has all the land between "Southern Labrador and Florida" and "with the exception of New Foundland, English claims along the east coast are ignored" (Portinaro and Knirsch, 190-1). The map is a combination of multiple sources including knowledge of California as an island from Luke Foxe (Burden, 458). The map was originally created by another catographer, Nicolaes Visscher which shows the original illustration of the natives forewards rather than backwards as depicted in this map. Tooley also notes that this map shows the Great Lakes, two of which are open (Tooley 120, entry 30).
Source(s): Burden, Philip D. "The Mapping of North America: A List of Printed Maps 1511-1670." Rickmansworth, England: Raleigh Publications, 1996.
Leighly, John. "California as an Island: An Illustrated Essay." San Francisco: Book Club of California, 1972.
McLaughlin, Glen and Nancy H. Mayo. "The Mapping of California as an Island: An Illustrated Checklist." Saratoga, CA: California Map Society, 1995.
Moreland, Carl and David Bannister. "Antique Maps: A Collector's Handbook." New York: Longman Group, Ltd., 1983.
Portinaro, Pierluigi and Franco Knirsch. "The Cartography of North America 1500-1800." New York: Facts on File, Inc., 1987.
Tooley, Ronald Vere. "Chapter 3: California as an Island: A Geographic Misconception Illustrated by 100 Examples from 1625 to 1770." In "The Mapping of America." Ed. by Ronald Vere Tooley. London: Holland Press, 1985. 110-134.
---. "Tooley's Dictionary of Mapmakers." Hertfordshire: Map Collector Publications Limited, 1979.
Wheat, Carl I. "Mapping the Transmississippi West." Volume 1. San Francisco: Institute of Historical Cartography, 1957
wit-rod
No full textwithe-rod n? - 'garden-rod fence'Used I and SupUsed INot usedwithe-rod n, with-rod, wit-rod, WITHE, WITHY, white-rods, whit-rods, witrodwitherods is changed to wit-rods in the quotatio
Towards a shared method to classify contaminated territories in the case of an accidental nuclear event: the PRIME project
No full textThe analysis of the management of the accidentally radioactive contaminated areas such as those around Chernobyl nuclear power plant highlights the fact that the current spatial classification methods hardly help in recovering proper use of the contaminated territory.
The cause is mainly to be searched for in the traditional construction of risks assessment methods; these methods rest on criteria defined by institutional experts, which are not applicable in practise because they are not shared by all the stakeholders involved in the management of the contaminated territories.
Opposite such top-down tentative management, local efforts supported by Non-Governmental Organizations to restore life in the contaminated area seem to be more fruitful but very time and resources consuming and limited to the specific areas where they are experimented. The aim of the PRIME project, in progress at the French Institute for Radioprotection and Nuclear Safety, is to mix the advantages of both approaches in building a multicriteria decision tool based on the territorial specificities.
The criteria of the method are chosen and weighted with representatives of the territory’s stakeholders (decision makers, local actors and experts) to warrant that all the points of view are taken into account and to enable the risk managers to choose the appropriate strategy in case of an accident involving radioactive substances.
The area chosen for the pilot study is a 50 km radius territory around the nuclear sites of Tricastin-Pierrelatte in the lower valley of Rhône (France). One of the exploration questions of the PRIME project is whether a multicriteria method may be an appropriate tool to treat the data and make them visible and accessible for all the stakeholders
Modern Wit in the Poetry of W. H. Auden
No full textThis thesis approaches the poetry of W. H. Auden through his use of literary wit, a value which is defined here as a facility and flexibility of mind used to bring together contradictory ideas toward a greater elucidation, and, importantly, to the delight of the reader. I consider how Auden\u27s turn toward wit in the late 1930s participates in the promotion of a greater world view and promotes the reclaiming of a private mental space. I explore the specific frames of reference which feature in Auden\u27s particular idiosyncratic intellect, and from which he draws his various points of view into monstrous cohesion with one another, arbitrated by his witty sensibility. Finally I offer readings of nine of Auden\u27s poems in terms of their literary wit. The original contribution to thought which is represented by this thesis lies in the applying of a critical apparatus that revolves around literary wit to Auden\u27s work, and in so doing, suggesting that Wit be regarded as an important theoretical aspect of modern poetry
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