sources which were used for minting coins may help us recognize the mines that parthians used for mint houses that were marked on their coins. these signs may solve many politico-economic issues or may even lead to the recognition of their mines. the coins under study were related to ecbatana mint house and were extracted from silver mines through cupellation. the chemical composition of these ...

Project alignment is the process of ensuring that project key stakeholders share a common understanding of project work processes, operational procedure, objectives and plans. The paper focuses on Project Alignment methods and tool for Collaborative Project Management. The research results presented are initially based on large scale distributed engineering projects, but the results can easily ...

We explore consequences of the view that to know a proposition your rational credence in the proposition must exceed a certain threshold. In other words, to know something you must have evidence that makes rational a high credence in it. We relate such a threshold view to Dorr et al.’s (Philosophical Studies 170(2):277–287, 2014) argument against the principle they call FAIR COINS: ‘‘If you kno...

Illegal trade and theft of coins appears to be a major part of the illegal antiques market. Image based recognition of coins could substantially contribute to fight against it. Central component in the permanent identification and traceability of coins is the underlying classification and identification technology. However, currently available algorithms focus basically on the recognition of mo...

arsacid monarchy as the third iranian dynasty played an important role in the ancient era for five centuries. however, due to the inadequacy of written documents from that era, coins are considered precious sources for us to identify the political, historical, cultural, artistic, and religious views and ideas of that time, i.e. arsacid kings. concerning the similarities between the employed sym...

OBJECTIVES This study investigated whether coins of the new European currency (euro) corrode when they are exposed to gastric acid, and whether this change can be detected radiographically. METHODS The eight different denominations of coins were immersed for seven days in 0.15 N hydrochloride acid (HCl), which corresponds to the level of post-prandial gastric acid. A Swedish crown coin and th...

INTRODUCTION Contact with nickel-releasing coins as a cause of hand dermatitis has been debated. AIM Studying a hand dermatitis risk from handling Kuwaiti cupronickel coins among nickel-allergic and nickel non-allergic subjects. MATERIAL AND METHODS One hundred hand dermatitis patients (group I: nickel-allergic) and 100 matched patients (group II: nickel non-allergic) were selected from ove...