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    Mineralogy, petrography and manufacturing of good quality Blackboard chalk 

    Nasir, Sobhi J. [صبحي جابر نصر] ( Qatar University , 1996 , Article)
    Most of the Arabian countries produce bad quality and dusty blackboard chalk. Good quality and dustless blackboard chalk are usually imported from Europe, China, Taiwan and the United States of America. The essential raw ...
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    Mineralogy and Genesis of Heavy Minerals in Coastal Dune Sands, South Eastern Qatar 

    Nasir, Sobhi J. [صبحي جابر نصر]; El-Kassas, Ibrahim A.; Sadiq, A. Ali M. ( Qatar University , 1999 , Article)
    Large amounts of aeolian sand occur in the southeastern coastal zone of Qatar Peninsula as sand dunes accumulated in a vast sand field locally called " Niqyan Qatar ". The present work, carried out on a sand dune belt of ...
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    The Mineralogy and Chemistry of Urinary Stones from the United Arab Emirates 

    Nasir, Sobhi J. [صبحي جابر نصر] ( Qatar University , 1999 , Article)
    The purpose of this study is to characterize urinary stones from the United Arab Emirates using mineralogical techniques and compare it with stones in nature. Twenty six urinary calculi were subjected to chemical analysis, ...
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    The mineralogy and chemistry of cement and cement raw materials In the united arab emirates 

    Nasir, Sobhi J. [صبحي جابر نصر]; El Etr, H. ( Qatar University , 1996 , Article)
    The raw materials, clinkers and cements from different cement factories in the United Arab Emirates have been investigated using polarizing microscopy, X-ray diffraction (XRD), Scanning electron microscopy (SEM), and ...

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    • Nasir, Sobhi J. [صبحي جابر نصر] (4)
    • El Etr, H. (1) El-Kassas, Ibrahim A. (1) Sadiq, A. Ali M. (1)
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    • Geology (4)
    • الجيولوجيا (4)
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      1996 (2) 1999 (2)
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      2009 (4)
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