The main objective of this study is to give the insight of describing mixing accounting ratios and macroeconomic variables as the risk factors in Iran. The results indicate a significant relationship between book to market ratio, financial leverage, size factors and expected stock returns in the Iranian market. In consistent with the other studies, we came to the conclusion that the term struct...

Fine grain products are harvested in two manual and mechanized forms. Nowadays, common combine harvesters are used, but fine grain products such as Rapeseed, Sesame and Sorghum cannot be harvested with conventional heads of combine harvesters due to the excessive grain loss in the head of the combine. Therefore, the necessity of design and fabricating machines and heads of combine harvesters be...

My research addresses the role that digital technology plays in retailing and distributing products, and the impact that it has on firm incentives, inter-firm relationships, and consumers. This area of research is important not only because digital technology affects a growing set of product markets, but also because the nature of digital technology allows for the construction of much more gran...

Colloidal semiconductor nanocrystals have attracted continuous worldwide interest over the last three decades owing to their remarkable and unique size- and shape-, dependent properties. The colloidal nature of these nanomaterials allows one to take full advantage of nanoscale effects to tailor their optoelectronic and physical-chemical properties, yielding materials that combine size-, shape-,...