Prognancy is a natural process which may create some changes in different parts of body, such as oral and dental systems. The changes might lead to oral diseases if sufficient and permanent care is not provided. For example, improper nutrition, covert oral and dental problems can affect the health of dental organ and even the other parts of body.   The aim of the study was to determine the re...

Abstract: Learning from best practices in improving the productivity of human societies. One of the main factors that cause great damage is not enough information about natural disasters and man-made and the lack of attention to the importance and role of public security, health and disaster relief is on. People involved in assisting in disaster relief and can help relieve the suffering of peop...

in this research the focus of the researcher is on the influence of american myths that have long been held and offered by the american culture and ideologies. sam shepard is conceived to be one of the greatest playwrights of the contemporary american theater. in his works he depicts broken characters who are struggling to keep up with the national expectations but are ceaselessly borne back to...

abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...

the debate whether esp teachers need to have knowledge of the specialized field they are teaching has been an issue in the literature over the last two decades. the aim of conducting this study was to explore iranian learners’ and instructors’ beliefs and attitudes concerning the role of specialized knowledge in teaching esp classes. a seventeen item questionnaire was administered to 400 esp le...