Results 31 to 40 of about 8,335 (263)
Yankuang ceshi, 2016 Jade-like cryptocrystalline-microcrystalline vein quartzite is called quartzite jade in the jewel business of China. Color is the main criteria for the value of quartzite jade, and therefore studying the coloration mechanism is very important for the ...
ZHANG Yong +4 more
doaj +1 more source
Observation of Surface Microstructure of HPHT Synthetic Diamond Crystals and Genesis Discussion
Yankuang ceshi, 2019 BACKGROUND As the world's largest producer of synthetic diamonds, China accounts for more than 90% of the world's total production, of which high pressure-high temperature (HPHT) synthetic diamonds are dominant.
WU Xu-xu +8 more
doaj +1 more source
Неофилология, 2022 It is interesting to consider the evolution of jewelry status in the history of culture and its role in intercultural interactions in the correlation of periods of conceptual social transformations.
M. G. Kruglova, A. A. Chervova
doaj +1 more source
Spectroscopic Analysis of Varieties and Color Genesis in Emerald-Green Tourmaline Crystals
CrystalsTo reveal the varieties and color genesis of emerald-green tourmaline crystals from Tanzania, a systematic study was conducted using conventional gemological tests, X-ray diffraction, Fourier-transform infrared spectroscopy, polarized ultraviolet–visible
Ming Li, Yali Tang, Kun Li
doaj +1 more source
Contemporary jewelry definitions
ModaPalavra e-periódico, 2016 Contemporary jewelry terminology is open to many criticism and weaknesses as it is confronted with the classic definition of jewelry and also often attached to the historical widespread idea of adornment and jewelry to modernity.
Marlon Aparecido Mercaldi, Mônica Moura
doaj +1 more source
Advanced Materials, EarlyView.Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley +1 more source
A new probabilistic model: Its implementations to the reliability products and art tools
Alexandria Engineering JournalThis article delves into the critical role that probability-focused methodologies play in the fields of reliability sciences and the arts, ultimately leading to the introduction of a novel statistical model known as the new cosine exponentiated ...
Chaoyu Li +4 more
doaj +1 more source
Treasures of the Elite of the Bulgharian Ulus of the Golden Horde
Золотоордынское обозрение, 2021 Research objectives: To analyze the materials of the most famous hoards of the Golden Horde era found on the territory of the Bulgharian ulus on the basis of a comprehensive analysis. To identify the coincidence of jewelry that they contained.
Rudenko K.A.
doaj +1 more source
Transforming Procurement: The Dynamic Capabilities and Microfoundations to Buy Circular
Business Strategy and the Environment, EarlyView.ABSTRACT Circular Procurement (CP) integrates Circular Economy (CE) principles into purchasing decisions to close material loops and retain value across product life cycles. Yet, its adoption remains limited due to persistent barriers within procurement processes.
Francesco Cafforio, Ilaria Giannoccaro
wiley +1 more source
Yankuang ceshi, 2014 Surface tension is one of the important physical and chemical parameters of the solid surface, which is closely related to temperature and properties of the phases between the boundaries.
BAO Xue +6 more
doaj +2 more sources