Composition of Trace Metals in Dust Samples Collected from Selected High Schools in Pretoria, South Africa
نویسندگان
چکیده
منابع مشابه
this study investigated the relationship between quality of work life and organization citizenship behavior from the viewpoint of teachers in high schools in tehran city.
چکیده هدف از پژوهش حاضر بررسی رابطه کیفیت زندگی کاری و رفتار شهروندی سازمانی در مدارس مقطع متوسطه پسرانه شهر تهران از دیدگاه دبیران بود. روش پژوهش حاضر توصیفی و از نوع همبستگی بود. از بین دبیران مدارس شهر تهران تعداد 380 نفر به روش نمونه گیری خوشه ای چند مرحله ای به عنوان نمونه پژوهش انتخاب شدند و با تکمیل پرسشنامه ی کیفیت زندگی کاری والتون(1975) و پرسشنامه ی رفتار شهروندی سازمانی پودساکو...
15 صفحه اولthe impact of musical texts on the text recall of young learners of english in isfahan junior high schools
abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...
15 صفحه اولMetals in environmental media: A study of trace and platinum group metals in Thohoyandou, South Africa
A detailed study has been conducted to determine the contamination of Thohoyandou roadside soils, vegetation, sewage and river waters by Zn, Cu, Cr, Pb, Cd, Fe, Pt and Pd. The study further investigated the correlation between these trace metals in roadside soils and vegetation in order to infer the potential impacts of roadside trace metals contamination of vegetation. Collected surface soil a...
متن کاملStudy of natural radioactivity to Assess of radiation hazards from soil samples collected from Mounana in south-east of Gabon
Background: The present work aims to determine the activity concentrations of 226Ra, 233Th and 40K in soil samples collected in Mounana in the Southeastern region of Gabon, to evaluate the contribution of the natural. Materials and Methods: An HPGe p-type detector coupled with a multichannel analyzer DSA-1000 was used to perform measurements and process data. Data acquisition and analysis were ...
متن کاملAbstract XXXIII IAHS Pretoria South Africa
For many years the urban renewal approach of Rotterdam, executed during the period 19751993, served as an example on the national and international level. With this approach a process of revitalization was initiated, which meant that the urban fabric and building supply had to adapt to changing conditions and accommodate new demands. Due to large financial and social investments in Rotterdam, a...
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ژورنال
عنوان ژورنال: Applied and Environmental Soil Science
سال: 2016
ISSN: 1687-7667,1687-7675
DOI: 10.1155/2016/5829657