Recently, many countries have paid substantial attention to power generation from biomass gasification, particularly through small-scale plants. A number of power plant models have been suggested and analyzed; however, certainly, desirable configurations have not been identified yet. Moreover, their performances are ordinarily difficult to compare, especially owing to the fact that working ...

a significant portion of the world’s cultivated land is affected by salinity that reduces crop productivity in these areas. breeding for salt tolerance is one of the important strategies to overcome this problem. recently, genetic engineering is becoming a promising approach to improving salt tolerance. in order to improve the yield performance of canola in saline soils, we transformed canola w...

this survey is carried out with the major objective of studying various water treatment plants in iran. the emphasis was on the plants being fed by surface water resources; also the clarification unit was taken as the major one among treatment processes. in this way 25 water treatment plants located in different cities of iran were studied from the point of view of technical specifications chem...

On Thursday and Friday, December 3 and 4, of 1903, Srinivasa Ramanujan, who was to become the greatest Indian mathematician in his country’s history, sat for the Matriculation Examination of Madras University. From documents recently found in the Tamil Nadu Archives, we have learned that Ramanujan obtained a Second Class place, permitting him to enter the Government College of Kumbakonam in the...

How readily do potential migrants respond to increased returns to migration? Even if origin areas become less attractive vis-à-vis migration destinations, fixed costs can prevent increased migration. We examine migration responses to hurricanes, which reduce the attractiveness of origin locations. Restricted-access U.S. Census data allows precise migration measures and analysis of more migrant-...