the kalāntarān dynasty of behbahan and kohgiluye, known as “mirzayan-e tabatabaie” was one of fars' local governments which ruled for seven centuries and had great roles in outstanding historical events of the region, although our information about this dynasty includes the period of the late safavids up to the late qajars. however, researchers have not yet researched effectively on this h...

titanium and its alloy are known as important load-bearing biomaterials. the major drawbacks of these metals are fibrous formation and low corrosion rate after implantation. the surface modification of biomedical implants through various methods such as plasma spray improves their osseointegration and clinical lifetime. different materials have been already used as coatings on biomedical implan...

Action research (AR) has developed extensively since the 1970s. We reviewed AR literature within information systems (IS) discipline and found 16 different methods, which constitutes a problematic situation for researchers. describe critique those methods before integrating their strengths to improve method that is most frequently practiced in IS: canonical action (CAR). The existing set of pri...

Background: Different treatment and protective approaches for radiation-induced oral mucositis have been practiced and have varieties of success. Of which, radioprotective agents, synthetic or natural, have been of great interest for researchers. This study aims to evaluate the effect of curcuma longa topical gel as a herbal production on mucositis induced by radiation therapy of head and neck ...

there is probably no need for extensive exploration to believe that movable type invention had a tremendous and historical impact on expansion of science and emergence of renaissance in europe, as tens of articles and research books have already been dedicated to this fact; but the real question which requires historical explanation is how the man before invention of printing had preserved his ...

It is well-known that the design and production of nuclear weapons required major efforts in scientific research and engineering, with a supporting infrastructure of weapons laboratories. Less well-known, is that scientific research and development have also played an important role in nuclear arms control. In this paper, my purpose is to explain the role of seismology in treaty verification; t...