Non-metallic inclusions have a great influence on the cleanliness and mechanical properties of steel [...]

in data envelopment analysis, the relative efficiency of a decision making unit (dmu) is defined as the ratio of the sum of its weighted outputs to the sum of its weighted inputs allowing the dmus to freely allocate weights to their inputs/outputs. however, this measure may not reflect a the true efficiency of a dmu because some of its inputs/outputs may not contribute reasonably in computing t...

objective: substance abuse is a socio-psychological disorder. the aim of this study was to compare the effectiveness of acceptance and commitment therapy with 12-steps narcotics anonymous on psychological well-being of opiate dependent individuals in addiction treatment centers in shiraz, iran. method: this was a randomized controlled trial. data were collected at entry into the study and at po...