نتایج جستجو برای: geochemical survey
تعداد نتایج: 383580 فیلتر نتایج به سال:
the aim of this thesis is an approach for assessing insurer’s solvency for iranian insurance companies. we use of economic data with both time series and cross-sectional variation, thus by using the panel data model will survey the insurer solvency.
arsenic is one of the heavy metals and nearly all its compounds, especially organic compounds, are toxic. the wide spectrum of diseases caused by this element has led to evaluation of the toxicity of different arsenic species and identification of the major natural and anthropogenic pollution sources of it in the nature. mining activities are among the main sources of anthropogenic pollution of...
Geophysical and geochemical investigations concerning deformation events of tectonic interest at the underground laboratory of Gran Sasso have been carried out and possible correlations with local seismicity are also investigated. We have planned and realized an automatic multiparametric equipment (water temperature, electrical conductivity, pH, Rn) and from the May 1996 we performs automatic m...
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