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Samarium ions in Al-doped SiO2:Sm3+ phosphor were revealed to be atomically dispersed in small Al2O3 crystallites by forming Sm–O–Al bonding, which contributes to improvements in the fluorescent intensity of SiO2:Sm3+ phosphor.

In this paper were shown results of drinking water study of 3 Gobi provinces of Mongolia. The study was conducted in the frame of joint project "The influence of global warning to Mongolian environment", which realized by specialists of the MUST, Miyakonojo National College of Technology, Japan.

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