نتایج جستجو برای: Soil contamination
تعداد نتایج: 228007 فیلتر نتایج به سال:
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
OBJECTIVES Measurement of soil contamination levels has been considered a feasible method for dose estimation of internal radiation exposure following the Chernobyl disaster by means of aggregate transfer factors; however, it is still unclear whether the estimation of internal contamination based on soil contamination levels is universally valid or incident specific. METHODS To address this i...
objectives the aim of this study was to assess soils of khorramabad metropolis in order to establish the concentration of lead and develop a contamination factor map. materials and methods soil samples were collected from 25 different urban parks in khorramabad, iran. the mean pb contents in the urban topsoil samples were compared with mean concentrations for other cities around the world. a sp...
The aim of the study was to compare the effects of stress (contamination trials) on the microorganisms in zinc-polluted soil (5,018 mg Zn kg(-1) soil dry weight) and unpolluted soil (141 mg Zn kg(-1) soil dw), measured as soil respiration rate. In the laboratory, soils were subjected to copper contamination (0, 500, 1,500 and 4,500 mg kg(-1) soil dw), and then a bactericide (oxytetracycline) co...
The study has been carried out with two broad objectives – to observe the effect of crude oil contamination on consolidation properties of soil and to predict the change in the properties in the form of mathematical correlation. The properties studied here are co efficient of compression (Cv) and compression index (Cc). Four types of naturally available soil (CH, CL, CI and SC) collected from d...
Soil and Sediment Contamination An International Journal Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713401148 In Situ Chemical Reduction (ISCR) Technologies: Significance of Low Eh Reactions Jan Dolfing a; Miriam van Eekert b; Alan Seech c; John Vogan d; Jim Mueller e a School of Civil Engineering and Geo...
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Soil and Sediment Contamination An International Journal Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713401148 Corrosion of Depleted Uranium in an Arid Environment: Soil-Geomorphology, SEM/EDS, XRD, and Electron Microprobe Analyses Brenda J. Buck a; Amy L. Brock a; William H. Johnson b; April L. Ulery c a ...
this study was mainly designed to investigate and identify the amounts and types of heavy metals in the soils of national iranian oil refining & distribution company in shahrood region and tried to establish a logical relation between the presence of heavy metals and their damage on vegetation. in addition, considering the power of drained soil and due to the proximity of ground water in shahro...
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