نتایج جستجو برای: toxic metaholites
تعداد نتایج: 77382 فیلتر نتایج به سال:
the present study was aimed at comparing the ability of three crop plants for phytoremediation of zinc (zn) and nickel (zn) from soils. a factorial (3×2×3) experiment based on rcbd was used to compare the treatments, and was repeated three times. the first factor was crop type (wheat, clover and rapeseed), the second factor was heavy metal types (zinc (zn) and nickel (ni)) and the third fac...
background: the removal of toxic metals from sewage and wastewaters is one of the most important concerns in the twenty first century. the removal of poisonous cr(vi) from aqueous solution by different low-cost available nanoporous adsorbents was investigated in the present study. methods: fumed silica, bentonite (bn), hydrotalcite (ht), mcm-41, na-y, mordenite (mor) and sapo-34 were used at d...
objective(s) the primary objective of this study was to determine whether local and imported cigarette brands used in iran, have elevated levels of metals or not. the produced data of cigarette brands are compared both with each other and with the existing brands in different countries. materials and methods in present study, nineteen various cigarettes brands were randomly purchased from the c...
nitrogen oxides and carbon monoxide gases together with dust are known as the major pollutants arising during the blasting operations using the ammonium nitrate-fuel oil (anfo) explosive at the sungun surface mine, located in the northwest of iran. the pollutants were monitored during some blasting operations at the mine. it was concluded that the gases and dust clouds initially went up to the ...
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