this paper reviews some progressive studies and innovations in cement and concrete materials in nano field. due to the widespread acceptance of the special properties of nano materials and using them for engineering concrete performance, understanding and directing their properties are not achievable without instructing concepts and investigating interactions among components. due to achievemen...

structural studies of literary works, which seek to examine the inner textual elements and to discover their connections, provide the grounds for better understanding the essence of literature and by presenting the devices of creating excellent literature can help us to expand the patterns of processing a literary work. a number of structural critics have dealt with the narrative forms by study...

Reliability of a system is the probability that it will function as intended for the required period of time. The opposite of reliability is failure probability per unit time or over time, such as a life cycle. Following a review of existing reliability codes and approaches, comprehensive approaches to assess the reliability of offshore structures are described, including probabilistic analysis...

In allegories polysemy relates not only to the context and the audience’s understanding but also to the structural characters of these texts. This paper investigates the function of structural and narrative properties in the creation of multiple interpretations of an allegory. Focusing on the events and following a unique story-line is the most important trait in helping to read the alleg...

“a city can be read through its streets”. stéphane douady, professor of dynamics of out-of-equilibrium systems in paris diderot university began his speech with these words. he continued by explaining the significance of the street structure: “when we think of a city, we first think of the houses. while they can be replaced when destroyed or abandoned, the streets remain stable”. dr. douady’s m...

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the most important characteristic of dome and factors influencing it in the islamic iranian architecture that is different from other courses is construction and construction methods of them. over time, different factors are involved in the process of formation of the domes. it is one of the factors influencing the structure of iranian-islamic domes. by examining the structure of iranian-islami...