全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Gürsel Yanık , Cafer Özkul
来源:[J].Oriental Journal of Chemistry, 2015, Vol.31 (1)材料科学研究所
摘要:The strata that include the fine purple opal formations examined in this paper from the magmagenetic hydrothermal dis solutions. The opals are locally known as Gevrekseydi purple opals. These opal-bearing strata are deposited in volcanic lavas and tuffs in the Seyitömer-Küta...
作者:Gürsel Yanık , Cafer Özkul
来源:[J].Spectroscopy Letters(IF 0.667), 2015, Vol.48 (5), pp.386-392Taylor & Francis
摘要:The three-dimensional photoluminescence emissions between 380 and 800 nm of the dentritic agate with white body color from the Dereyalak-İnönü-Eskişehir (Turkey) region were obtained at the temperatures between 250 and 340 K under 366 nm excitation. The most advantage o...

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