Abstarct

The vocabulary enters the structure to perform several functions, including deliberative functions, which are concerned with the study of language within the communication process; Therefore, this study came to monitor the functions of the singular deliberative in CJ that came on five functions, namely:( Axis, beginner, focus, tail, caller), and these functions were divided into two parts: (internal circulation functions, and external).

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Abstarct

The catalyst (Co,Mn)(Co,Mn)2O4-CaO was prepared by coprecipitation method by adding (1M) of sodium carbonate as aprecipitating agent at constant pH (10).The precipitate of carbonate was dried at 120oC for 24 hrs and then calcined at different temperatures (400,500,600,700,800) oC for 4 hrs.The identification of the prepared catalyst was done by using the X-ray diffraction(XRD), thermal gravimetric analysis (TGA), scanning electron microscopy techniques (SEM) and BET measurements. The activity of this catalyst was investigated in dehydrogenation of isopropanol alcohol. The reaction results were followed by mass spectroscopy technique

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