in today's competitive world, establishıng a proper system of evaluating firms performance is essential. the purpose of this study is to evaluate the financial performance of pharmaceutical, basic metals and automotive parts companies using a new method. the fuzzy ahp is used for weighting the performance evaluation measures and fuzzy topsis and fuzzy vikor is also used to rank the compani...

Due to the increasing competition and the continuous changes in current business environments, appropriate evaluation of the companies' performance is a useful tool not only for themselves but also for their own investors and creditors. In this paper, a model is presented for evaluating the basic metals producing companies. The proposed model based on analyzing the financial ratios is a combina...

This literature review discusses specific issues related to handling of waste containing nanomaterials. The aims are (1) to highlight problems related to uncontrolled release of nanoparticles to the environment through waste disposal, and (2) to introduce the topics of nanowaste and nanotoxicology to the waste management community. Many nanoparticles used by industry contain heavy metals, thus ...

The numerous accidents occurred in companies that melt scrap metals have shown that the hazard caused by the presence of radioactive materials--or 'orphan sources'--may have serious consequences on standard production, with great economic and social damage. Italian Legislative Decree No. 100/11 establishes the skills required for the safe management of scrap metals in the whole production cycle...

THE MINING REPORT Luisa Moreno, managing partner and analyst with Toronto-based Tahuti Global, says there are many things investors must pay attention to when it comes to critical metals projects, but nothing should trump metallurgy. That's because no two deposits are precisely the same, and having a clear understanding of how to economically recover those metals and get them into end-users' ha...

Metals production and consumption networks are complex Large Scale Socio-Technical Systems, consisting of many technical installations, companies operating them, at a global scale, with large environmental impacts. Understanding their dynamics and behavior requires models that are capable of capturing technical, social, economic and other dimensions. Modeling in the metals domain has traditiona...