Results 11 to 20 of about 118,063 (307)

Nitrogen in Diamond [PDF]

Chemical Reviews, 2020
Nitrogen is ubiquitous in both natural and laboratory-grown diamond, but the number and nature of the nitrogen-containing defects can have a profound effect on the diamond material and its properties. An ever-growing fraction of the supply of diamond appearing on the world market is now lab-grown.
Michael N. R. Ashfold, Jonathan P. Goss, Ben L. Green, Paul W. May, Mark E. Newton, Chloe V. Peaker   +5 more
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Diamond dicing [PDF]

Data & Knowledge Engineering, 2013
29 ...
Webb, Hazel, Lemire, Daniel, Kaser, Owen
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Superconductivity in Diamond. [PDF]

ChemInform, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Ekimov, E. A., Sidorov, V. A., Bauer, E. D., Mel'nik, N. N., Curro, N. J., Thompson, J. D., Stishov, S. M.   +6 more
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JOINT DIAMONDS AND LAVER DIAMONDS [PDF]

The Journal of Symbolic Logic, 2019
Abstract The concept of jointness for guessing principles, specifically ${\diamondsuit _\kappa }$ and various Laver diamonds, is introduced. A family of guessing sequences is joint if the elements of any given sequence of targets may be simultaneously guessed by the members of the family. While equivalent in the case of
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The Genesis of the Diamond [PDF]

Science, 1886
n ...
openaire   +6 more sources

Optimizing composition and application conditions of agents for modifying spectral characteristics of diamonds in X-ray luminescence separation

Горные науки и технологии, 2023
One of the research areas focused on improving the efficiency of diamond-bearing kimberlite beneficiation processes involves the utilization of technology aimed at enhancing the recovery of weakly and anomalously luminescent diamonds during the X-ray ...
Chanturiya V. A. , Morozov V. V. , Dvoichenkova G. P. , Podkamennyi Yu. A. , Timofeev A. S.   +4 more
doaj   +1 more source

Insight into a Fenton-like Reaction Using Nanodiamond Based Relaxometry

Nanomaterials, 2022
Copper has several biological functions, but also some toxicity, as it can act as a catalyst for oxidative damage to tissues. This is especially relevant in the presence of H2O2, a by-product of oxygen metabolism.
Sandeep Kumar Padamati, Thea Annie Vedelaar, Felipe Perona Martínez, Anggrek Citra Nusantara, Romana Schirhagl   +4 more
doaj   +1 more source

Development of a New Multi-spectral Induced Luminescence Imaging System (GV5000) and Its Application in Screening Melee-sized Near-colorless Synthetic Diamonds and Natural Diamonds

Yankuang ceshi, 2016
Natural diamonds commonly contain polymeric nitrogen and have complex growing textures, whereas synthetic diamonds do not contain nitrogen or do contain single nitrogen and have typical growing textures related to the synthetic process.
LAN Yan, LU Tai-jin, ZHANG Cong-sen, LIANG Rong, DING Ting, CHEN Hua, KE Jie, BI Li-jun   +7 more
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Diamond fingerprinting for source discrimination using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) and Fourier transform infrared spectrometry (FTIR)

Heliyon, 2020
The Kimberley Process Certification Scheme (KPCS) was established in 2000 as a means of controlling the flow of conflict diamonds, mostly, from the African continent. In 2013, the KPCS imposed an embargo on diamonds from the Central African Republic (CAR)
Susan Brill, Ndamulelo Lilimu, Deshenthree Chetty   +2 more
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Voir dans la pierre

Revue d'anthropologie des connaissances, 2020
This article puts forth the notion of visual refraction to analyze the subjective and technical construction of grading certificates in the global diamond trade.
Matthieu Bolay, Filipe Calvão
doaj   +1 more source