the development of technology and modern industrial foundations has faced new matters to contemporary human societies. technology is rapidly changing lifestyles, social interactions and even modern human worldview about him (her)self and existence. technology-the unavoidable reality of modern world- represented itself as a phenomenon of expanding. the modern techniques have become quite differe...

Watson and Crick (1953), and Kornberg (1967). The author assumes no prior knowledge. For example when discussing the observations of Meselson and Stahl not only does he include the usual symbolic illustrations of semiconservative DNA replication, but also a figure of equilibrium density gradient centrifugation. Each chapter ends with a summary of the observations presented which answer the orig...

Malnutrition and infectious disease represent the most common health threats facing the developing world. However, increasing technological developments and the expansion of western culture have contributed to the increasing prevalence of the metabolic syndrome. The epidemiologic significance and potential costs to governmental health care systems of an increasing incidence of metabolic syndrom...

the importance of iranian ancient as architectural heritage have to competent international prestige a nd respect due this is important with regard to proper conservation met hods based on non-destructive evaluation methods and non-contact testing providing enough accuracy and speed to bri ng performance to stabilize while correct location and age value of valuable architectural aspect of quant...

teaching foreign languages has a long, extended history. ever since man needed to communicate with other nations, the teaching of a foreign language gained a marked significance. by the end of the 18th century, after the industrial revolution, learning a foreign language and therefore teaching it became even more important. as in teaching a language the main goal is to enable learners to read, ...