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background: surgical site infection is known as a common complication after cardiac surgery, and cefazolin is the best prophylactic antibiotic to prevent this complication. the goal of this study was to evaluate the effect of continuous and intermittent cefazolin for the prevention of superficial surgical site infection following off-pump coronary artery bypass (opcab). methods: this prospectiv...

there is limited literature on how to engage the rural women in agriculture and improve their contributions to household food security and income. this study aimed to contribute to literature on women engagement in agriculture through vegetable production using good agricultural practices. the empirical data used were drawn from technology demonstrations and experimentation, learning fields, an...

this study planned for finding the agreement dxa and quantitative ultrasound (qus) of phalanx in osteoporosis diagnosis and cut off point of qus for osteoporosis diagnosis in postmenopausal women. in 180 postmenopausal women, bmd of axial regions with dxa (dpx-md, ge, lunar, usa) and phalanx with qus (dbm-sonic 1200) measured. agreement of methods and cut off for qus in defining osteoporosis ob...

in the open-pit mining, one of the first decisions that must be made in production planning stage, after completing the design of final pit limits, is determining of the processing plant cut-off grade. since this grade has an essential effect on operations, choosing the optimum cut-off grade is of considerable importance. different goals may be used for determining optimum cut-off grade. one of...

In this paper, polyacrylamide/chromium acetate gel polymer system was prepared as water shut-off system to control water production in one of the Iranian oil reservoirs condition. Effect of various parameters such as temperature (90 °C) and water formation from view point of salinity and divalent cations, was evaluated on the gelation kinetic and gel strength using bottle testing method. Th...