Results 31 to 40 of about 10,184 (280)

3D Imaging of Gems and Minerals by Multiphoton Microscopy

open access: yes, 2018
Many optical approaches have been used to examine the composition and structure of gemstones, both recently and throughout history. The nonlinear optical behavior of different gemstones has not been investigated, and the higher order terms to the ...
Cromey, Benjamin   +2 more
core   +1 more source

"Hopovo" gemstone occurrence (Fruška gora) [PDF]

open access: yesTehnika, 2020
This study presents geological, mineralogical, and gemological characteristics of gemstone deposit (silica and carbonate minerals) that occur in Mesozoic Fruška gora ultramafites in the vicinity of Hopovo Monastery.
Miladinović Zoran Ž.
doaj  

ANALISIS FENOMENA SOSIAL BATU AKIK (STUDI PADA MASYARAKAT (PENJUAL-PEMBELI) DI PUSAT PENJUALAN BATU AKIK PALEMBANG)

open access: yesJurnal Ilmu Agama: Mengkaji Doktrin, Pemikiran, dan Fenomena Agama, 2016
This research aims to analyse the meaning of gemstones and their impact to the society. Thiis research uses qualitative approaceh with Miles and Huberman (1992) point of view on the meaning of symbols.
Middya Boty
doaj   +1 more source

Magical Objects, Magical Writing: Amulets Across the Ages

open access: yesMartor, 2023
This note focuses on recent discussions on gemstone amulets from Late Antiquity through insights offered in two contributions to the volume Textual Amulets from Antiquity to Early Modern Times: The Shape of Words (Theis and Vitellozzi 2022).
Hajnalka Tamás
doaj   +1 more source

Minerals in Afghanistan : gemstones of Afghanistan [PDF]

open access: yes, 2007
Afghanistan and gemstones have been inextricably linked for 6500 years and the country remains rich in precious and semiprecious gemstone deposits (Figure 1). Lapis lazuli, mined in the Hindu Kush since the Neolithic Period, was transported along the
Benham, Antony John, McIntosh, Robert
core  

Using Poetry to Teach about Minerals in Earth Science Class [PDF]

open access: yes, 2004
This article describes how a high school earth science teacher and a college education professor team-taught a lesson to ninth graders on using poetry to learn about minerals.
Audrey Rule   +2 more
core   +1 more source

In vitro models of cancer‐associated fibroblast heterogeneity uncover subtype‐specific effects of CRISPR perturbations

open access: yesMolecular Oncology, EarlyView.
Development of therapies targeting cancer‐associated fibroblasts (CAFs) necessitates preclinical model systems that faithfully represent CAF–tumor biology. We established an in vitro coculture system of patient‐derived pancreatic CAFs and tumor cell lines and demonstrated its recapitulation of primary CAF–tumor biology with single‐cell transcriptomics ...
Elysia Saputra   +10 more
wiley   +1 more source

Gemstones

open access: yesAmerican Scientist, 2012
The gemstones of ancient Egypt, broadly defined, include all rocks, minerals, and biogenic materials used for jewelry (beads, pendants, ring stones, and cloisonné inlays), amulets, seals, and other small decorative items (figurines, cosmetic vessels, and inlays in furniture and sculpture).
openaire   +3 more sources

Efficacy of gemstone spectral computed tomography in evaluating the differentiation degree of lung squamous cell carcinoma [PDF]

open access: yes精准医学杂志
Objective To investigate the value of gemstone spectral CT in evaluating the differentiation degree of lung squamous cell carcinoma. Methods A total of 86 patients with lung squamous cell carcinoma who were diagnosed and treated in Puyang People’s ...
LIU Miaomiao, SHI Ruirui, MA Wei
doaj   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

open access: yesMolecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson   +9 more
wiley   +1 more source

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