نتایج جستجو برای: corrosion control
تعداد نتایج: 1359154 فیلتر نتایج به سال:
The systematic analysis of corrosion damage on cultural heritage objects is an aspect of multidisciplinary interest. The application of computer-aided approaches in corrosion control has recently become a challenging issue. However, the majority of researches attain to estimate the decay presence by evaluating colour and texture alterations. This work is geared towards investigating nondestruct...
The systematic analysis of corrosion damage on cultural heritage objects is an aspect of multidisciplinary interest. The application of computer-aided approaches in corrosion control has recently become a challenging issue. However, the majority of researches attain to estimate the decay presence by evaluating colour and texture alterations. This paper is geared towards investigating non-destru...
We try to evaluate the possibility of maintaining the corrosion-resistance of a structural material under the operational temperature and flow velocity of the optimized HYPER (HYbrid Power Extraction Reactor)[1] cooling system. It was attempted to consider the control of the oxygen concentration in the range of 350~650°C. Currently, we are performing static corrosion tests with the oxygen conte...
In this study the corroding and/or tarnishing implications of coke, a fizzy soft drink, tea and coffee to the eta prime phase plastic amalgam surface following the filling were evaluated. Thirty six acrylic blocks were prepared which each one was having 5 mm in diameter and 1 mm in depth welts where condensed with amalgam. Those blocks were divided into six groups. The groups were coffee, tea, ...
Solution chemistry of wastes from US atomic weapons production is controlled to inhibit corrosion of carbon steel tanks used in containment and storage. The pH, nitrate ion and nitrite ion concentrations of fresh solutions are maintained within specified limits for this purpose. In the start up process for a new waste evaporator (RHLWE), non-radioactive solutions of similar chemistry will be ci...
The chemical content of water pH, mineralization, alkalinity, hardness, calcium and magnesium compounds, carbon dioxide free provide guidance about buffering capacity of water. Therefore, if the mineralization and pH is low, the water is aggressive towards the materials used in manufacturing pipes concrete, steel, HDPE, PVC, PAX. If the mineralization is high, the pH is high, too and the water ...
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