four hundred and ninety five smallholder dairy farms in 52 villages of different cities in chaharmohal and bakhtiari province including 1321 lactating cows and totalling 2811 total mature cows (lactating and dry)were employed during winter 2009 to summer 2010 to estimate the economic opportunities as per cow in smallholder dairy farms. a questionnaire survey was employed to collect data from th...

Canada’s agriculturally important lands include lands that are currently used for agricultural purposes (e.g. croplands, rangeland, pastures) as well as those that show potential for future agricultural development (e.g. natural grasslands). However, because these lands generally cover large geographical extents, their assessment by conventional ground survey techniques are often time-consuming...

The xanthippe group of species of the genus Urophora Robineau-Desvoidy, 1830 is revised and keyed. It contains seven species with a yellow area on the scutum medial to the notopleuron: Urophora bakhtiari new species (from flowerheads of Cousinia archibaldii), Urophora dirlbeki new species (from flowerheads of Onopordum acanthium), U. iani Korneyev & Merz 1998, U. impicta (Hering 1942) (= Uropho...

The directors of the Iranian-Italian archaeological Expedition in Khuzistan, south-west Iran present first results a survey conducted plain Izeh, one core sectors ancient Parthian vassal kingdom Elymais. Izeh is situated east fertile lowlands at feet Bakhtiari mountains. From there many passes lead through mountain range. new adds data to exploration by H.T. Wright same region....

background: the induction of cancer appears to be the most important effect of low-dose ionizing radiation to occur in an exposed population. in developing countries 94% of human radiation is from natural sources. in iran some high altitude regions such as, chaharmahal & bakhtiari has high levels of the natural background radiation (higher than the worldwide average). therefore, investigation o...

Eddy current (EC) estimate of flaw size obtained from inservice inspection is often the primary means of assessing the structural integrity of steam generator tubes. Reliable prediction of failure pressure and leak rate in tubes with complex cracking requires more detailed information about the geometry and extent of degradation than is generally available from conventional bobbin coil examinat...