this study presents the effects of project uncertainties on nonlinear time-cost tradeoff (tct) profile of real life engineering projects by the fusion of fuzzy logic and artificial neural network (ann) models with hybrid meta-heuristic (hmh) technique, abridged as fuzzy-ann-hmh. nonlinear time-cost relationship of project activities is dealt with ann models. ann models are then integrated with ...

background: several studies have shown that administration of magnesium sulfate prolongs the bleeding time.   objective: to investigate such effects in pregnant women in shiraz, southern iran.   methods: this study was conducted on 30 pregnant women aged between 18 and 32 yrs, with a gestational age of 20 to 37 weeks, who presented to hafez and zeynabiyeh emergency units affiliated to shiraz un...