Safety risk management has a considerable effect on disproportionate injury rate of construction industry, project cost and both labor and public morale. On the other hand time-cost optimization (TCO) may earn a big profit for project stakeholders. This paper has addressed these issues to present a multi-objective optimization model to simultaneously optimize total time, total cost and overall ...

This article describes the process of improving risk management practices in a foundry of the ALFET Company (Algeria). The proposed methodology is based on the decision matrix risk assessment technique. This technique allows making a risk assessment for each source of risk (machine, man, environment, and management), which leads to the determination of the overall risk rate during the activity ...

background breast cancer is the most common cancer among women worldwide. based on the latest iranian national cancer department report, the total number of women registered with breast cancer was 6976 cases during 2007. five year survival is one of the indicators used for evaluation of the quality for care to different types of malignancies including breast cancer. objectives the aim of this s...

BACKGROUND Although the technical success rate of coronary angioplasty in the elderly in high, very old patients have increased risk of procedure-related death and late recurrence of severe angina. We proposed to determine baseline variables that predict early and intermediate-term failure of percutaneous transluminal coronary angioplasty (PTCA) in patients more than 65 so we could effectively ...

Background: The risk of disease with 1 risk factor is increased by the presence of additional risk factors. The goal of this study was to assess the prevalence of multiple coronary artery disease (CAD) risk factors among adults in Kerman, Iran, to identify the population groups most at risk.Methods: The present study included 5900 adults aged between 15 and 75 years in 2011 in Kerman, Iran. The...

Objective Atypical meningioma is rare tumor and there is no accurate guide line for optimal treatment. This retrospective study analyzed the prognostic factors, the effect of different methods of treatments and the behavior of atypical meningioma. Methods Thirty six patients were diagnosed as atypical meningioma, among 273 patients who were given a diagnosis of meningioma in the period of 200...