cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...

Contemporary Combination of images and texts together is one of the approaches postmodern artists use to transfer the artistic message. Barbara Kruger, feminist conceptual artist, has created most of her collages with a combination of visual/literary signs. Her works have conveyed strong social messages about culture, power, identity and gender to a large audience. The main purpose of current a...

: Flourishing students' artistic capacities is among the major missions of education in the Document of Fundamental Reform. The five axes of artistic education including communication with nature, aesthetics, artistic production, familiarity with cultural and artistic history and heritage, and artistic criticism, along with the content structure of culture and art textbooks including visual art...