Seied Rabie Mahdavi1 Ph.D., Alireza Shirazi2 Ph.D., Ali Khodadadee3 BS.c., Mostafa Ghaffory4 MS.c. and Asghar Mesbahi5 Ph.D 1Dept. of Medical Physics, Faculty of Medicine, Iran University of Medical Sciences, Tehran 2Dept. of Medical Physics, Faculty of Medicine, Tehran University of Medical Sciences, Tehran 3Azad Research and Science University, Tehran 4Secondary Standard Dosimetry Laboratory ...

Meaning technologies today arouse a tremendous interest for the various actors of R&D. One find them, in particular, in the kernel of any application or service implementing dialogue or mediation between software agents and human users, for example in the calculus of cooperative answers. One of the essential keys for these technologies is intelligent and efficient knowledge exploitation by agen...

All the species of Physalaemus Fitzinger, 1826 karyotyped up until now have been classified as 2n = 22. The species of the Physalaemus cuvieri group analyzed by C-banding present a block of heterochromatin in the interstitial region of the short arm of pair 5. Physalaemus cicada Bokermann, 1966 has been considered to be a member of the Physalaemus cuvieri species group, although its interspecif...

One of the most important and perilous groundwater contaminants is nitrate. The study area unconfined (free) aquifer Karaj, located in central Iran, which subject to quantity quality hazards due unbalanced urban, industrial, agricultural developments. Evaluation vulnerability condition this against nitrate as contamination index essential since consumed water provided by groundwater. This paper...

chamran 2 cultivar with the pedigree attila 50y//attila/bacanora, originated from national cereal breeding program by crossing between chamran cultivar and  attila line in karaj (1996-97). the f1 plants were evaluated and selected in 1997-98 cropping season. the new cultivar was evaluated in six warm and dry southern research stations of the country (2004-2006). chamran cultivar with good adapt...

sepahan is a new bread wheat cultivar derived from progenies of a cross made between azadi cultivar and some high yielding and resistant to rust advanced lines. all selections were made in kelardasht and iranshahr stations and early evaluations in karaj. it was also studied in regional uniform yield trials in moderate stations including kaboutar abad. results revealed that this line is more tol...

to evaluate the effect of cover crops, tillage systems and nitrogen (n) application rates on yield of forage sorghum (cv. kfs3), a factorial–spilt plot arrangement based on randomized complete block design with four replications was carried out at the research farms college of agriculture and natural resources, university of tehran, karaj, during the growing seasons of years 2005 and 2006. comb...