In recent years, investigations into atomic catalysts has accelerated significantly. Although different have been developed, the introduction of main group elements is rarely considered. this work, possibility introducing alkaline/alkaline earth metals (AAEM), post-transition metal (Post-TM), and metalloids to form stable graphdiyne-based dual (GDY-DAC) revealed. The not only act as a promising...

This long-lasting point in his life due to economic developments, social and cultural development of the Industrial Revolution, the foundation has been transformed. Today, the need for rehabilitation and restoration of these islands what the city increases, the need to develop a coherent and logical connection between the old and new areas to preserve and enhance the integrity and identity of...

This study is an attempt to monitor and investigate the main elements of social harms from political, economic, sociocultural, technological, environmental and legal perspectives in accordance with the factors of PESTEL. One of the findings of the present study indicates that Iran has taken several measures in order to fight narcotics.  In poverty and unemployment, it must be admitted that cast...