نتایج جستجو برای: gemstone

تعداد نتایج: 218  

1996
Gerti Kappel Stefan Rausch-Schott Siegfried Reich Werner Retschitzegger

Large engineering enterprises are just one application area of open hypermedia systems (OHS), which are characterized by both, open hyperbase and link server functionality. An open hyperbase allows besides others to store and retrieve an extensible set of hypermedia objects. A link server allows to store and retrieve connectivity information and supports consistency management thereof. To provi...

2016
Uma Sriram Beth L. Hill Jonathan M. Cenna Larisa Gofman Nicole C. Fernandes Bijayesh Haldar Raghava Potula

Methamphetamine (METH) is a widely used psychostimulant that severely impacts the host's innate and adaptive immune systems and has profound immunological implications. T cells play a critical role in orchestrating immune responses. We have shown recently how chronic exposure to METH affects T cell activation using a murine model of lymphocytic choriomeningitis virus (LCMV) infection. Using the...

Khiva has such a resemblance with Iranian art, culture, and civilization and it will not be irrelevant to consider it as a gemstone in the field of culture and civilization of Iran in Transoxiana. This city is located in the Khwarezm. Reviews tell of earlier historical and cultural links of Khwarezm with Iran. Khwarezm name has come in the Achaemenid inscriptions.Khiva is a city with a plethora...

Journal: :Crystals 2023

Spinel is a precious gem with long history, but people are far less familiar it. Previous studies on Mogok spinel from Myanmar focused inclusion analysis, chromogenic mechanism single-color gemstone and heat treatment, whereas systematic varicolored gem-grade lacking. In this study, the gemological geochemical analysis of four colors samples were carried out for basic gemology, morphology ident...

Journal: :Minerals 2021

Ruby (red corundum) is one of the most prominent colored gemstones in world. The highest-quality ruby (“pigeon blood” ruby) comes from marbles Mogok Stone Tract central Myanmar. Although has been exploited since 6th century AD, formation time this gemstone ambiguous and controversial. In paper, we describe a mineralogical, geochemical, geochronological study titanite ruby-bearing obtained an ou...

2014
Masahiko Aoki Yoshihiro Takai Yuichiro Narita Katsumi Hirose Mariko Sato Hiroyoshi Akimoto Hideo Kawaguchi Yoshiomi Hatayama Hiroyuki Miura Shuichi Ono

The purpose of this study was to investigate the relationship between tumor size and blood volume for patients with lung tumors, using dual-energy computed tomography (DECT) and a gemstone spectral imaging (GSI) viewer. During the period from March 2011 to March 2013, 50 patients with 57 medically inoperable lung tumors underwent DECT before stereotactic body radiotherapy (SBRT) of 50-60 Gy in ...

Journal: : 2022

The authors study the history behind development of mineral deposits in Ural Gemstone Belt (near Murzinka village, Gornouralsky Urban District, Sverdlovsk Oblast), as well mineralogical and toponymical terminology connected to this history. analysis focuses on following issues: how were discovered; what role it belonged visiting Italian masters (the Tortori brothers); their activities are popul...

Journal: : 2023

Background . The minerogenic specialization of the Muzkol-Rangkul anticlinorium consists in industrial gemstone deposits ruby, cordierite, almandine, aquamarine, topaz, tourmaline, scapolite, etc. Large ore objects this area are unknown. Until recently, has had a negative assessment terms rare, rare earth, and noble metals. Aim To justify identification previously unknown magnetic ring-type str...

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