Results 11 to 20 of about 32,277 (235)
Power and Gold: Jewelry from Indonesia, Malaysia and the Philippines
Photograph of the exhibition "Power and Gold: Jewelry from Indonesia, Malaysia and the Philippines," December 20, 1987-February 7, 1988, held at the Dallas Museum of ...
Dallas Museum of Art
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The commercial application of colloidal semiconductor nanocrystals has been realized owing to the development of composite film technology. Here, we demonstrated the fabrication of green and red emissive CuInS2 nanocrystals embedded polymer composite ...
Qingchao Zhou, Zhongyi Shang
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The key parameter to determine whether jadeitite can be named gem grade jadeitite 'jadeite jade' or not is the content (the mass fraction) of jadeite in jadeitite.
LAN Yan +6 more
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Jewelry collection of I.V. Savitsky State Museum of Arts of the Republic of Karakalpakstan
This article provides information about the jewelry of the Karakalpak people in the collection of I.V. Savitsky State Museum of Arts of the Republic of Karakalpakstan.
Dilfuza A. Kudaibergenova
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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 +7 more
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Characterization of Blue Tourmaline from Madagascar for Exploring Its Color Origin
In the research, spectroscopic studies of tourmaline for color origin were performed by X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, and X-ray photoelectron spectroscopy.
Ming Li
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Abstract In the Lake Koocanusa‐Kootenai River system (Montana, USA and British Columbia, Canada), selenium (Se) contamination has become an international concern and is suspected to contribute to the observed burbot (Lota lota) population collapse. Due to our limited ability to sample burbot in Lake Koocanusa for monitoring studies, we used a reference
Stephanie D. Graves +6 more
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Spectroscopic Characteristics and Color Origin of Red Tourmaline from Brazil
In the present paper, I report on the spectroscopic study for tourmaline color origin, performed red samples from Minas Geras State, Brazil, by gemological routine testing, X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible ...
Ming Li
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Design considerations for racking metal products in electrochemical solutions
Electrochemical treatment is one of the most important processes used in completing and finishing the surface of the product to improve the aesthetic and phenotypic properties of it. This process gives a distinct impression to the consumer because of its
Marwa Abd Elrahman Ahmed Abd Elrahman +2 more
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Spectroscopic Study on the Species and Color Differences of Gem-Quality Red Garnets from Malawi
To reveal the species of gem-grade red garnets with similar colors, especially the mechanisms underlying their subtle color differences, a series of tests, including conventional gemological tests, X-ray diffraction, Fourier-transform infrared ...
Ming Li
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