in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...

the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...

  Paying attention to the importance of square can be seen in architecture and organization of physical space of Iranian cities in the past, before Islam and also after that in Islamic urbanization. Saheb-Abad square of Tabriz, Shah square og Qazvin and Naghsh_e_Jahan square of Isfahan are samples of past squares which present power of governments and subtlety of governmental kings that build ...

target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...

One of the basic religious characteristics of the ninth century is the propagation of shiism and the public inclination of people towards it. The Teymoori policy of religious freedom which was the continuation of Mongol's policy provided a setting for a clash of opinions. In this developed exceedingly, and the preliminary steps for the formation of peace made available after Teymoori's victo...

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

Writers of the travel logs in the second period of Safavid rule have given narrative accounts of the status of ethnic-religious minorities, through which the identity issue of minorities and its role in diverging them from the body of government can be identified. In these narratives, both the minority groups that entered into Iran as a result of Shah Abbas's structural policies, and the ethnic...

murder of wife during adultery: if a man sees his wifes adultery with another man, he can kill both of them. and he is not guilty in this murder. this sentence is the opinion of imami jurists and numerous comments on this issue are the main reasons for the sentence. that is the opinion of the sunni jurists too. murder of wife and the stranger man are permitted. but in contrast to these views, ...

adaptation of the lord of the rings is considered by many to be among the greatest, most successful and at the same time most popular of the above mentioned trend so far. it is my intention to look at the success and popularity of this epic fantasy in the light of the 9/11 attacks and the war on terror context of g. w. bush’s aura. in so doing i aim at bringing into the light the determining fa...