The aim of this study is to present an assessment of radiation doses received by the public in selected areas of northern part of Jordan, due to Background Radiation. This region included a 330 km length area, in five governorates in northern Jordan: Irbid, Mafraq, Zarqa, Jarash, and Ajloun. Using a portable Geiger-Muller counter, and NaI(Tl) detector, the area has been surveyed. The measured absorbed dose rates in air were in the range of 10-250 nSv/h. Further studies should be implemented to determine the concentrations of natural radioactive materials.
Gamma Radiation measurements conducted in Al Hammah hot springs, Jordan are introduced in this paper. These data represent new result of high-radiation dose equivalents found in part of the country measured for the first time. The radiation doses, attributable to terrestrial gamma radiation, were measured using a portable Geiger-Muller counter and an NaI(Tl) detector. The measured absorbed dose rates in air ranged from 70 to 580 nGyh-1 , in hot water spring areas. The maximum high radiation dose was nearby the principal hot water source of the cooling pool. The gamma doses outside the spa region were 30 to 70 nGyh-1 , which is higher than average registered radiation doses rates in Jordan.
The purpose of this study was to investigate the degree of using mobile phone by education technology students at Jadara University in academic and social communication and its obstacles from their point of view. To achieve this purpose, questionnaire was developed which demonstrated adequate reliability and validity. and then distributed to members of the study numbering (85) male and female students, during the second semester of the academic year 2011/2012. The results of the study revealed that the degree of mobile phone use by education technology students at Jadara University in academic and social communication was moderate. The results also revealed that the degree of obstacles of using mobile phone in academic and social communication was moderate. The results revealed that there was no significant difference in the degree of using mobile phone in the academic communication due to the variable of sex, and the results showed that there was significant difference in the degree of using of mobile phone in social communication in favor of females. The study recommended further studies on the degree of using mobile phone with the rest of academic disciplines, and conducting training courses for students in order to familiarize them with the best way to use a mobile phone in the educational process.
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