in this study, effects of buthus eupeus venom on chick biventer cervices nerve-muscle preparation were investigated by twitch tension method. the venom, at 1.3 ?g/ml, increased contractile responses in indirect stimulations. these effects were milder in direct muscle stimulations. it also caused significant enhancement in postjunctional sensitivity as assessed by responses to exogenous acetylch...

The Chinese open-air site Xuchang-Lingjing (Henan) is located near the border between Palearctic and Oriental biozone in a lowland depression at southern edge of North China Plain. yielded Middle Palaeolithic assemblage that includes two fragmented, incomplete human (possibly Denisovan) skulls (Xuchang 1 Xuchang 2), more than 15,000 artefacts 40,000 mammalian remains representing least 20 taxa....

conclusion applying serologic tests for infant whose mother is suspected of brucellosis seems logical. patient the patient was a 3.5 month infant with irritability, loss of appetite and immobility of left hip joint since 10 days ago. there was no medical problem during fetal and neonatal period of his life. the infant nutrition was provided by breast feeding. about one month ago his mother has ...

jondishapour school was the first center of cultural transmission in the world among various civilizations like the greek, syriac, hindi, chinese and roman formed by permissive policies of khosro anushirvan in iran. the idea that iranian knowledge can be flourished with the help of progress made in science in different cultures was, for the first time, suggested by khosro anushirvan and his com...

As the intricacies of paleoclimate dynamics are explored, it is becoming understood that sea-ice variability can instigate, or contribute to, climate change instabilities commonly described as “tipping points”. Compared to ice sheets and circulating ocean currents, ephemeral continental-scale changes sea cover occur seasonally. Sea-ice greatly influences polar albedo, atmosphere-ocean gas excha...

abstract this study is an attempt to investigate the influence of targeting subsidies on price transmission pattern in iran's egg market. the targeting subsidies plan was imposed by 20 december 2010. using of daily price time series data, the study was conducted during december 2009 to october 2011. using ecm model, price transmission models were estimated for the two periods (e.g. before and a...