The present work was planned to evaluate the phytoextraction of metal mine tailings, Sarcheshmeh copper mine, SE of Iran, by the endemic plant species Medicago sativa L. (Alfalfa). In this pot experiment, we investigated the effects of seven amendments on the growth of alfalfa and uptaking metals from the mine tailings and stream sediment of tailing dam surface. The mean metal concentrations in...

To reduce the potential of vascular injury without compromising the stone comminution capability of a Dornier HM-3 lithotripter, we have devised a method to suppress intraluminal bubble expansion via in situ pulse superposition. A thin shell ellipsoidal reflector insert was designed and fabricated to fit snugly into the original reflector of an HM-3 lithotripter. The inner surface of the reflec...

Abstract The achievable grinding fineness of spiral jet mills does not only depend on the comminution efficiency in region nozzle jets but is also significantly affected by separation product outlet. Therefore, aim this study to investigate influences outlet diameter and different particle trap rings flow conditions performance, optimizing classifying mills. velocity fields analyzed image veloc...

mineralization occurred by intrusion of granodioritic stock of middle miocene in volcano–sedimenrary rocks in sarcheshmeh of early tertiary age. this research is based on samples of new drilled boreholes and benches of 2500m elevation. based on mineralogy and crosscutting relationships, at least four groups of veinlets pertaining to four stages of mineralization were recognized. sulfur isotope ...

Abstract Key message Removal of logging residue negatively affected tree diameter and height, but had no significant effect on the basal area subsequent stand (in mid-term). On other hand, different methods mechanical site preparation (bedding, plowing furrows, trenching) growth 1 year after planting, a diameter, in mid-term. Bedding treatments could have positive impact productivity Scots pine...