Getting advanced in communication and information technologies and their impact on all aspects of human life, the world is experiencing a new phenomenon named information society. Therefore, e-learning is a necessity to develop the quality of learning in this kind of society. The purpose of this study was to identify the barriers of e-learning implementation by M.Sc. Students in agricultural fa...

the present article reports on the application of modified organo nanoclay as a green, easily prepared and stable solid sorbent for the preconcentration of trace cobalt ion in aqueous solution. the organo nanoclay was modified by adsorption of 5-(4-dimethyl amino-benzylidene) rhodanin reagent onto it. the sorption of co2+ ions was quantitative in the ph range of 7.0 to 8.5, whereas quantitative...

accumulations of large quantities of wastes (manure, used litter, dead birds) which are excellent medium for fly-larvae over poultry houses provide breeding places for different groups of fly pests, with house-flies being the dominant species. this project is a comparative lab study. in this research project the larvicidal effects of cyromazine and triflumuron were studied as two insect growth ...

it is of utmost importance to make children interested in and willing to use dental services in order to prevent and treat oral diseases. therefore, pediatric dental practitioners need to learn new technologies such as lasers, in addition to basic principles. lasers have opened new horizons in the treatment of both soft and hard oral tissue problems in children. the present article describes ap...

abstract- a real-time, site-specific, machine-vision based, inter-row patch herbicide application system was developed and evaluated. the image resolution was 640 × 480 pixels covering a total area of 350 mm x 240 mm of a field composed of four quadrants of 350 mm x 60 mm each. the image frames were processed by labview® and matlab®. the developed algorithm, based on weed coverage ratio and seg...