نتایج جستجو برای: elements content
تعداد نتایج: 675275 فیلتر نتایج به سال:
The present work analyzes the specimens of orthite (allanite) mineral ores obtained from Vernadsky mine (Slyudyanka River, Irkutsk region) and Yuzhno-Bogatyrskoye occurrence (Kuznetsk Alatau). elemental chemical composition ore was determined by electronic microscopy specimen’s surface. study establishes that uranium thorium in are mainly represented their separate minerals, while content phase...
lichen species (hypogymnia physodes and evernia prunastri) were used for biomonitoring thepossible air pollution with heavy metals in the vicinity of copper mine in the eastern part of the republic ofmacedonia. the contents of 18 elements were analysed by icp-aes and etaas techniques. for dataprocessing basic statistical methods and multivariate exploratory (factor and cluster analysis) techniq...
concentrations of elements (as, co, cu, ni, mo, pb, v, cd, cr and zn) are studied in the surface sediments of bakhtegan lake, northwest of nyriz city, iran, to assess metal contamination. the average abundance order of trace elements content in bakhtegan lake sediments is cr>ni> v> zn> cu> co> as> pb> mo>cd. the comparison of trace elements concentration in bakhtegan lake sediments with toxicol...
the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...
Background and Aim: The content of the hygiene education and health promotion course in schools is crucial for raising the awareness of, and development of hygiene culture in, pupils. In this study we aimed to develop a hygiene education course with a fully suitable content. Materials and Methods: In this research the content analysis technic using the "Shannon Entropy" method was used, in w...
Abstract: The purpose of this study is to compare the official documents of strategic planning in selected public universities of the country in order to answer these two main questions: what are the differences and similarities between the formal and content elements of strategic planning documents of the selected public universities? Is there a unique design in these documents that fits the s...
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