Background: Studies of internal migration ask who moves, why they move, and what are the consequences - to themselves, their origin, and their destination.By contrast, studies of those who stay for very long durations are less common, despite the fact that most people move relatively infrequently.Objective: We argue that staying is the dominant, pr
Traditional financial risk detection methods are mainly based on statistical models and market data, in which sensor network has a wide application prospect.The research can improve the accuracy and efficiency of financial risk detection by using the data and information of sensor network.By making full use of the data collection capabilities of se
Transformer fluid directly affects the working state of the components and the cooling efficiency of transformer.There are three kinds of transformer fluid used for electric locomotive, EMU and suburban rail vehicles: mineral oil, silicone liquid and synthetic ester based insulating oil.In this paper, the three kinds of Fly Veils oil are compared f
The microbiologically influenced corrosion of mild steel and aluminum in sea water (SW) caused by a sulfate reducing bacterium (SRB), Desulfotomaculum sp was investigated.The corrosion rates were evaluated at intervals of ten days for a period of sixty days using gravimetric and electrochemical methods.Results showed that corrosion rate decreased w