نتایج جستجو برای: thermogravimetric

تعداد نتایج: 4511  

2008
Madelon A. F. Zenóbio Maria S. Nogueira Elton G. Zenóbio Mário Werneck José Gaspar

The theoretical or practical dosimetry involving radiation interactions in humans needs the reliable elemental composition data of body tissues. The object of this research was to obtain the characterization dental hard tissues and to determine its effective atomic number. An analytical research of inorganic composition, from 30 intact human molars, extracted for periodontal reasons, was perfor...

In this study a special type of silicoaluminophosphate with opal structure (Opal-SAPO) was prepared under microwave condition using tetraethylorthosilicate (TEOS), triethanolamine (TEA), aluminiumisopropoxid and phosphoric acid 85%. The product was characterized by X-ray diffraction (XRD), thermogravimetric (TGA) and Fourier Infrared Spectroscopy (FTIR).The crystalline product showed a good act...

Journal: :DEStech Transactions on Environment, Energy and Earth Science 2017

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