Results 101 to 110 of about 4,938 (215)

High-resolution thermal expansion measurements under Helium-gas pressure

open access: yes, 2012
We report on the realization of a capacitive dilatometer, designed for high-resolution measurements of length changes of a material for temperatures 1.4 K $\leq T \leq$ 300 K and hydrostatic pressure $P \leq$ 250 MPa.
Bernd Wolf   +6 more
core   +1 more source

The Colors in Medieval Illuminations through the Magnificent Scriptorium of Alfonso X, the Learned

open access: yesHeritage
This pioneering work studied the medieval color palette of four manuscripts produced in the scriptorium of Alfonso X, king of the Crown of Castile (r. 1252-84), including the Songs of Holy Mary (Cantigas de Santa Maria, in Rich Codex and Musicians’ Codex)
Márcia Vieira   +5 more
doaj   +1 more source

Origin and distribution of mineral species in limestone caves [PDF]

open access: yes, 1971
More than 80 mineral species are known to result from secondary chemical reactions in solutional limestone caverns. These minerals are transitional and end-products of carbonate wall rock interactions with ground water and organic residue.
Broughton, Paul L.
core   +1 more source

Dispersion-driven ferromagnetism in a flat-band Hubbard system

open access: yes, 2014
We investigate a mechanism to establish ground-state ferromagnetism in flat-band Hubbard systems based on a kind of {\it order-from-disorder} effect driven by dispersion.
Derzhko, Oleg, Richter, Johannes
core   +1 more source

Interdisciplinary study of the panel painting depicting the "Pentecostes", attributed to Fernão Gomes

open access: yesConservar Património, 2010
This paper presents a study on the technique and materials used in the panel painting entitled Pentecostes, attributed to the artist Fernão Gomes (XVIIth century), housed in the Museu Nacional de Arte Antiga, in Lisbon.
Diana Conde   +5 more
doaj   +1 more source

The spin gap in malachite Cu2(OH)2CO3 and its evolution under pressure

open access: yes, 2013
We report on the microscopic magnetic modeling of the spin-1/2 copper mineral malachite at ambient and elevated pressures. Despite the layered crystal structure of this mineral, the ambient-pressure susceptibility and magnetization data can be well ...
Janson, Oleg   +3 more
core   +1 more source

Ontological analysis and disease statistics of wooden coffin paintings from the Qinghai Tibetan Medicine Culture Museum, China

open access: yesHeritage Science
The 35 wooden coffin paintings from the Tubo period of the Tang Dynasty, housed in the collection of Qinghai Tibetan Medicine Cultural Museum, are valuable materials for studying Tubo culture.
Yanli Li   +6 more
doaj   +1 more source

Multianalytical Study of a Painting on Copper

open access: yesHeritage
The painting studied, featuring the Virgin contemplating the sleeping Child, is a well-known composition in the religious context, especially popular since the 16th century.
Roberta Iannaccone   +4 more
doaj   +1 more source

Interaction of copper ores with Putnam clay. [PDF]

open access: yes, 1953
The material of this bulletin was taken from the thesis presented by O.E. Gibbs, for the degree of M.S., University of Missouri, August 1952. It is a report on Department of Soils project number 51 entitled 'Fertility level of soils'--P.
Gibbs, O. E.   +1 more
core  

Investigation on mineralization and genesis of stratiform copper in Cheshmeh-Konan area of Tasuj, East-Azarbaijan province

open access: yesJournal of Economic Geology, 2013
Cheshmeh-Konan area is located ~15 km northwest of Tasuj, East-Azarbaidjan province. The most important lithologic units of the area are red sandstones, green-gray sandstones, shale, and marl (Miocene).
Shahrokh Rajabpour   +3 more
doaj  

Home - About - Disclaimer - Privacy