ABSTRACT Background: The radiological impact of the use of phosphate fertilizers in soil is due to the internal irradiation of the lung by the alpha particles, short lived radon-thoron progeny and the external irradiation of the body by gamma rays emitted from radionuclides in situ. This paper describes the results of gamma spectrometric measurements of the concentration ...

combating desertification which is a serious threat for the environment and human welfare requires understanding complex issues of this phenomenon using evaluation, awareness of severity of it's processes and determination of it's factors. so here, after recognizing the characteristics of the region showing existence desertification, we assess its current status with emphasis on clima...

IELTS preparation courses have gained significant popularity in Iran in the past decade. Although teachers in such an exam-oriented context have started to use formative assessment to improve their writing instruction, their knowledge and beliefs about assessment for learning are still a myth. This mixed-methods study investigated Iranian IELTS teachers’ beliefs and knowledge about the four mai...

Background and Aim: Several methods have been suggested to measure gingival thick-ness. This study aimed to assess the reliability of visual assessment of facial gingival biotype of maxillary and mandibular teeth with or without using a periodontal probe in comparison with direct measurement. Materials and Methods: Sixty-seven healthy patients (25 women and 42 men) with a total of 100 hopele...

abstract background: the radiological impact of the use of phosphate fertilizers in soil is due to the internal irradiation of the lung by the alpha particles, short lived radon-thoron progeny and the external irradiation of the body by gamma rays emitted from radionuclides in situ. this paper describes the results of gamma spectrometric measurements of the concentration of the natural radionuc...

20. Sheehan DV, Lecrubier Y, Sheehan KH, et al. TheMini-International Neuropsychiatric Interview (M.I.N.I.): the development and validation of a structured diagnostic psychiatric interview for DSM-IV and ICD-10. J Clin Psychiatry. 1998;59(suppl 20):22-33. 21. Tonigan JS, Miller WR. The INventory of Drug Use Consequences (InDUC): test-retest stability and sensitivity to detect change. Psychol Ad...

The objective of the Onchocerciasis Control Progininme (OCP) is to eliminate onchocerciasis as a disease of public îinportance and as an obstacle to socio-economic development. The OCP was initially based solely OIT the control of the blaclcfly vector, Simulium damnosum sensu lato, by insecticide spraying of the breeding sites on river systems, where larval stages develop. Results of monitoring...