Results 21 to 30 of about 168,826 (279)
Cahiers d’histoire, 2021 The western part of what would later become the Silk Roads was very early traded for products over long distances. Thus, from the pre-ceramic Neolithic around 9000 BC, obsidian traveled throughout the Middle East for hundreds of kilometers.
Pascal Butterlin, Martin Sauvage
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Digital Transformation of Precious Metals and Stones Turnover [PDF]
Финансовый журналThe development and implementation of the state integrated information system encompassing a wide range of participants of the precious metals and stones market, as well as the bodies that regulate it, makes the topic of digital transformation in this ...
Olga V. Umgaeva, Ludmila N. Ivanova
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Journal of Architecture, Art & Humanistic Science, 2019 India was still famous for all kinds of precious and semi-precious stones, which has had the greatest impact in the lives of the Indian community classes since ancient times, and this is evidenced by the remains of us the material effects and artifacts ...
Nagah Mohamed +2 more
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Nomadic Civilization: Historical ResearchThe modernization processes in economic policy that took place in the early years in Soviet Russia significantly influenced the gold mining situation, including in the field of circulation of precious metals and precious stones, which was in a depressed ...
E. N. Badmaeva, K. B. Monakhova
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Quand la tugtupite groenlandaise devient une pierre précieuse
Ateliers d'Anthropologie, 2023 When, in 2019, the Greenlandic government promoted the artisanal mining of gems, a controversy erupted about the status of tugtupite: was this local stone, which had long been mined, precious or not? For the three bodies involved, the evaluation criteria
Pia Bailleul
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Risk management of precious metals [PDF]
This paper examines volatility and correlation dynamics in price returns of gold, silver, platinum and palladium, and explores the corresponding risk management implications for market risk and hedging. Value-at-Risk (VaR) is used to analyze the downside
Hammoudeh, S.M. +2 more
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Precious and Semiprecious Stones in Kayah State [PDF]
, 2013 Kayah State is fairly rich in mineral resources. Sapphire, spinel, topaz, tourmaline, aquamarine, quartz and fluorite occur as precious and semiprecious stones in Kayah State.
Thaire Phyu Win
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Advanced Functional Materials, EarlyView.This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li +9 more
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Journal of Architecture, Art & Humanistic Science, 2019 The study examines nine new caskets of jewelry and sweets, which have never been studied before. They date back to the Alawi Family era in the two centuries (13-14 AH / 19-20 AD), including six caskets for preserving jewelry, and three other caskets for ...
Ayat Shams Eldein
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Bailak al-Kipchaki – medieval linguist and expert on precious stones
Әл-Фараби Атындағы Қазақ Ұлттық Университеті хабаршы шығыстану сериясы, 2021 It is known that in the Middle Ages, vast lands inhabited by Kipchaks were called Desht-i-Kipchak (Kipchak steppe). Kipchaks also lived in the North Caucasus and Ukraine.
А. Derbisali
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