in many seismological applications, the earth is considered as a perfectly elastic, homogeneous, and isotropic body. although this assumption is approximately valid, it is known that seismic waves pass through the real earth that is anelastic, inhomogeneous and anisotropic.  we consider four processes that can reduce wave amplitude, i.e.: geometrical spreading, scattering, multi-pathing, and an...

Road traffic accidents including intercity car traffic accidents (ICTAs) are among the most important causes of morbidity and mortality due to the growing number of vehicles, risky behaviors, and changes in lifestyle of the general population. A sound knowledge of the geographical distribution of car traffic accidents can be considered as an approach towards the accident causation and it can be...

Warfarin is a commonly-prescribed anticoagulant used to treat and prevent thromboembolic events. The requirement for varying doses of warfarin depends on genetic and environmental components. In this study, the frequency of two single-nucleotide polymorphic variants of the vitamin K epoxide reductase complex subunit 1 (VKORC1) gene (1173 C>T (rs9934438) and 3730 G>A (rs7294)) and its correlatio...

A brucella bacterium is a coccobacillus ge-nus of Gram-negative, small, non-spore and the species that infect humans, and include: Brucella abortus, B melitensis, B. suis, and in rare cases B. canis (1). Brucellosis is a zoonotic disease in domestic and wild animals with humans as its accidental hosts (1). According to the WHO's report in 2003, most cases of brucellosis infection were from Syri...

to determine the role of fusarium species associated with sugar beet root  and crown rot, diseased samples were collected  from different fields of sugar beet in iran including khorasan, khuzestan west azarbayejan, qazvin, tehran, kermanshah ,kerman,lorestan ,hamedan,charmahal va bachtiary provinces during growing seasons 1999-2002. in total, 94 isolates of fusarium were obtained. based on morp...

this article examines the political turmoil, iran foreign policy, great powers interventions with especial reference to firqa-yi dimukrat azarbayejan and oil crisis between 1941-1947. this article also deals with the international reaction, the role of the united nations, and that of the prime minister, qavam, who concluded agreements with the firqa-yi dimukrat lead-ers and the ussr. the succe...