Results 31 to 40 of about 4,938 (215)

The Recent Discovery, Research, and Restoration of Medieval and Renaissance Frescoes in Riga Castle—A Treasure to the Baltic Region

Heritage, 2023
One of the most important castles of the medieval Teutonic Order—Riga Castle in Latvia—is currently undergoing extensive reconstruction work. This study attempts to summarize recent information about the medieval fresco in the chapel and decorative ...
Madara Rasiņa, Ojārs Spārītis, Jiřina Přikrylová, Martin Racek, Ivana Kopecká, Eva Svobodová, Richard Přikryl   +6 more
doaj   +1 more source

Magnetic structure of azurite above the 1/3 magnetization plateau

, 2011
The transition from the 1/3 magnetization plateau towards the saturation magnetization in azurite has been studied by low-temperature, high-magnetic-field, high-frequency proton nuclear magnetic resonance (NMR).
Aimo, F., Berthier, C., Horvatic, M., Klanjsek, M., Krämer, S.   +4 more
core   +1 more source

Cristal and Azurite: new tools for integration-by-parts reductions

, 2017
Scattering amplitudes computed at a fixed loop order, along with any other object computed in perturbative quantum field theory, can be expressed as a linear combination of a finite basis of loop integrals.
Georgoudis, Alessandro, Larsen, Kasper J., Zhang, Yang   +2 more
core   +1 more source

Dynamics of the Distorted Diamond Chain [PDF]

, 2007
We present results on the dynamics of the distorted diamond chain, S=1/2 dimers alternating with single spins 1/2 and exchange couplings $J_1$ and $J_3$ in between.
Luckmann, C., Mikeska, H. -J.
core   +2 more sources

Important and influential factors in mineralization and grade changes of Manto-copper deposits with a special look to‌ Nasim, Mes e Sorkh and Zarmehr mines

Journal of Economic Geology
Manto-type copper mines occur in the Bardaskan-Doruneh copper belt. On the basis of structural sedimentary division of Iran, this belt is located in the northeastern part of the Central Iran.
Ali Sheykhi, Mohammad Hassan Karimpour, Ali Asghar Sepahi, Behnam Rahimi   +3 more
doaj   +1 more source

Study of the Antifungal Effects of Copper-based Pigments and Synthesized Nanomaterial on Mural Painting-deteriorated Fungi in the Egyptian Museum in Tahrir

Journal of Architecture, Art & Humanistic Science, 2019
Seven fungal strains, namely: Aspergillus terreus, A. clavatus, A. niger, A. humicola, A. sydowii, Paecilomyces variotii and Fusarium oxyspourm were isolated from Stelae dates back to the 19th Dynasty of the New Kingdom of the reign of King Sity in ...
Seham Mahmoud
doaj   +1 more source

Image processing methods integrated to imaging and material characterisation for the study of incunabula illustrations: an innovative multi-analytical approach on a case-study

Ge-conservación, 2020
This study focuses on the application of a multi-analytical approach combining image processing techniques, imaging studies and material characterisation of a French late fifteen-early sixteen century incunabulum – the BPE, Inc.438. The first study goal
Silvia Bottura Scardina, Filipe Themudo Barata, Alice Nogueira Alves, Catarina Miguel   +3 more
doaj   +1 more source

Nineteenth‐Century Watercolour Reproductions of Old Masters in the Ruskin Teaching Collection, Ashmolean Museum, Oxford: Materials and Techniques of ‘Heaven‐Borne’ Copyist Charles Fairfax Murray

Archaeometry, Volume 68, Issue 1, Page 64-83, February 2026.
ABSTRACT This study presents the first comprehensive analysis of the pigments and techniques used by Charles Fairfax Murray (1849–1919), a leading expert in Italian Renaissance attribution, influential art collector and primary copyist for John Ruskin.
Victoria Kemp, Andrew Beeby, Kelly Domoney, Daniel Bone   +3 more
wiley   +1 more source

Near-Infrared Spectroscopic Study of Secondary Minerals in the Oxidation Zones of Copper-Bearing Deposits

Crystals
This study measured the infrared spectra of secondary minerals in the oxidation zones of three types of copper ores: dioptase, malachite, and azurite, and assigned the peak positions of OH stretching vibrations and the origins of OH combination ...
Shaokun Wu, Mingyue He, Mei Yang, Bijie Peng, Yujia Shi, Kaiyue Sun   +5 more
doaj   +1 more source

THE LIST OF MINERALS OF THE MEDNORUDYANSKOE MALACHITE DEPOSIT: TO THE 200TH ANNIVERSARY OF ITS MINING [PDF]

Минералогия, 2015
The extented list of 97 minerals of the Mednorudyanskoe deposit, Central Urals, is given. Morphology and occurence of cuprite, malachite, azurite, pseudomalachite, libethenite, and brochantite are briefly described.
V.I. Popova, A.F. Bushmakin, A.A. Chudnov, V.A. Popov, I.A Blinov, D.A. Kleymenov   +5 more
doaj