tea might be considered as the most popular drink in iran as well as some other parts of theworld. its popularity to some extent depends on its flavor and some other constituents present in its leaves orextract. black tea samples from various agro climatic zones of northeast of iran were evaluated for the chemicalconstituents, polyphenols and metal analysis that determine the quality perception...

in his seminal book on the historical periods of western attitudes toward death, philippe aries describes four consecutive periods through which these attitudes evolved and transformed. according to him, the historical attitudes of western cultures have passed through four major parts described above: “tamed death,” one’s own death,” “thy death,” and “forbidden death.” this paper, after explori...

Strategic human resource management implications in different part of the worlds have been investigated in different research papers. The depth of implementation of SHRM, results in the productivity of the organizations. The current paper is a conceptual overview on the SHRM implementation in Iran. The circumstances and the elements that contribute to the SHRM implementation in this country nee...

Traditional Iranian Medicine (TIM) consists of the sum total of all the knowledge and practices used in Persia from ancient times to now, from generation to generation relying exclusively on practical experience and observation handed down from generation to generation. TIM roots go back to over 2000 years ago and It is not too bold to go even further and claim that the Persians taught the Gree...

Mohammad – Taqi Bahar had been living in a historical period of Iran in which religious, geographical boundaries, culture and Iran`s sovereignty were exposed to numerous threats. Indeed, he, as a pious patriot, had a complete knowledge about these issues and attentively took into consideration the national identity phenomenon in his books and poets. They mostly consists the historical and po...

as a committed writer, najib al-kayl?ni was of the belief that works of art and literature should be used as a means to promote the islamic culture; thus, he regarded writing narratives, in a realistic style, as the need of the arab world and particularly the egyptian society. features which distinguish his works from those written by other writers are the religious hue and spirit of his storie...

Background The large-scale production of biopharmaceuticals, such as monoclonal antibodies (mAbs), commonly requires the use of serum-free medium, for both safety and economical reasons. However, because serum is such an essential supplement of the growth medium of most mammalian cells, its removal demands a very time-consuming process of cell adaptation. In this process, cells are usually subj...

the present study aims to offer a constructivist/realistic vision toward the nature and elements of science according to the historical evolution of philosophical perspectives on science. this is done with the aim of revising in science education. according to the findings obtained by this study a two-dimensional model is proposed for explaining elements of science and the related essential cha...

It can be argued that of all the issues faced by boards of directors, executives, and managers, unethical corporate activity is one of the most significant in terms of its potential negative impact and one of the most difficult to properly address. The range of illegal and unethical activity taking place is extensive and includes corruption, bribery, receiving and giving gifts and entertainment...

the present study investigates the central concerns of the use of visuals within the four efl textbooks taught at iranian high schools which have been prescribed by the ministry of education. to do this, the four efl textbooks were evaluated and analyzed. descriptive statistics were used to analyze data quantitatively. the analysis indicated that over the four textbooks, 95.71 percent of all vi...