Results 41 to 50 of about 131,839 (151)

Phillipsite and Al-tobermorite mineral cements produced through low-temperature water-rock reactions in Roman marine concrete [PDF]

, 2017
Pozzolanic reaction of volcanic ash with hydrated lime is thought to dominate the cementing fabric and durability of 2000-year-old Roman harbor concrete.
Cappelletti, Piergiulio, Chen, Heng, Jackson, Marie D., Li, Qinfei, Li, Yao, Mulcahy, Sean R., Wenk, Hans-Rudolf   +6 more
core   +3 more sources

A New X-Ray Analysis of the Open Cluster Blanco 1 Using Wide-Field BVIc Photometric and Proper Motion Surveys

, 2009
We perform a new analysis of the extant ROSAT and XMM-Newton X-ray surveys of the southern open cluster Blanco 1, utilizing new BVIc photometric and proper motion data sets.
Appenzeller, Barnes, D'Antona, D. J. James, Edvardsson, Feigelson, Güdel, Hempelmann, I. Platais, Jardine, Jeffries, Jeffries, Makarov, Mestel, Meynet, Micela, Micela, P. A. Cargile, Parker, Perryman, Pye, Randich, Randich, Randich, Reid, Richards, Smith, Soderblom, Stassun, Stauffer, van Leeuwen, Westerlund, Zacharias   +32 more
core   +1 more source

The Platform of the Temple of Venus and Rome [PDF]

, 2009
The Temple of Venus and Rome at the Roman Forum was allegedly designed by the emperor Hadrian himself and was inaugurated in 135 AD. Its construction upon the Velia hill and precedent structures required an exceptional design and execution, including the
Gonzalez-Longo, Cristina, Theodossopoulos, Dimitris   +1 more
core   +1 more source

Pedro Damián y la defensa ética del principio de no contradicción [PDF]

, 2008
Intentaremos desentrañar uno de los aspectos centrales del De divina omnipotentia de Pedro Damián: la relación entre omnipotencia divina y principio de no contradicción.
Baranzelli, Dante
core  

Coherent diffraction of single Rice Dwarf virus particles using hard X-rays at the Linac Coherent Light Source [PDF]

, 2016
Single particle diffractive imaging data from Rice Dwarf Virus (RDV) were recorded using the Coherent X-ray Imaging (CXI) instrument at the Linac Coherent Light Source (LCLS).
Andreasson, Jakob, Aquila, Andrew, Awel, Salah, Ayyer, Kartik, Barty, Anton, Bean, Richard J., Berntsen, Peter, Bielecki, Johan, Boutet, Sebastien, Bucher, Maximilian, Chapman, Henry N., Daurer, Benedikt J., DeMirci, Hasan, Elser, Veit, Fromme, Petra, Hajdu, Janos, Hantke, Max F., Higashiura, Akifumi, Hogue, Brenda G., Hosseinizadeh, Ahmad, Kim, Yoonhee, Kirian, Richard A., Lan, Ti-Yen, Larsson, Daniel S. D., Liu, Haiguang, Loh, N. Duane, Maia, Filipe R. N. C., Mancuso, Adrian P., Muhlig, Kerstin, Munke, Anna, Nakagawa, Atsushi, Nam, Daewoong, Nelson, Garrett, Nettelblad, Carl, Okamoto, Kenta, Ourmazd, Abbas, Reddy, Hemanth K. N., Rose, Max, Schwander, Peter, Seibert, M. Marvin, Sellberg, Jonas A., Sierra, Raymond G., Song, Changyong, Svenda, Martin, Timneanu, Nicusor, van der Schot, Gijs, Vartanyants, Ivan A., Westphal, Daniel, Wiedorn, Max O., Williams, Garth J., Xavier, Paulraj Lourdu, Yoon, Chun Hong, Zook, James   +52 more
core   +2 more sources

Osservazione di uccelli rari in Sardegna [PDF]

, 1983
The authors refer to certain sightings of rare birds for Sardinia.The Species observed are: Storm Petrel, Gannet, White Stork, Blak Stork, Great Skua.
Torre, Antonio
core  

Wikibugs: the practice of template messages in open content collections. [PDF]

In the paper we investigate an organizational practice meant to increase the quality of commons-based peer production: the use of template messages in wiki collections to highlight editorial bugs and call for intervention.
Alessandro Rossi, Jean-Michel Dalle, Loris Gaio, Matthijs den Besten   +3 more
core  

Human Toxicity Potential: A Lifecycle Evaluation in Current and Future Frameworks for Hydrogen-Based and Battery Electric Buses in the European Union

Energies
In recent years, governments have promoted the shift to low-emission transport systems, with electric and hydrogen vehicles emerging as key alternatives for greener urban mobility.
Andrea Nicolò Damiani Ferretti, Pier Paolo Brancaleoni, Francesco Bellucci, Alessandro Brusa, Enrico Corti   +4 more
doaj   +1 more source

Archivi di Architettura a Palermo. Memorie della città (XVII-XX secolo) [PDF]

, 2012
Il volume raccoglie saggi relativi ad alcuni tra i principali archivi di disegni di architettura a Palermo, in relazione, dunque, anche agli architetti protagonisti: Basile, Palazzotto, Marvuglia, ed altri.
Marafon Pecoraro M, Palazzotto P
core  

High-Resolution Spectroscopic Study of Extremely Metal-Poor Star Candidates from the SkyMapper Survey [PDF]

, 2015
The SkyMapper Southern Sky Survey is carrying out a search for the most metal-poor stars in the Galaxy. It identifies candidates by way of its unique filter set that allows for estimation of stellar atmospheric parameters.
Asplund, Martin, Bessell, Michael S., Casey, Andrew R., Da Costa, Gary S., Frebel, Anna, Jacobson, Heather. R., Keller, Stefan, Lind, Karin, Marino, Anna F., Norris, John E., Pena, Jose M., Schmidt, Brian P., Tisserand, Patrick, Walsh, Jennifer M., Yong, David, Yu, Qinsi   +15 more
core   +2 more sources