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The node power of traditional remote wireless video monitoring is short-lived, strong binding energy and it needs to be replaced frequently. A new independent module of solar-powered was proposed, which combined the solar panel with lead-acid battery. The protection circuit and sunlight detection circuit were designed for the solar power system. The problem of energy consumption was solved by hardware...
The provision of quasi-public goods along with its price determination is one of the key problems in public finance theory. The focus of this work is on such quasi-public goods as rural drinking water. How to supply safety drinking water to the rural areas becomes more and more imminent because of the serious pollution in the supply network caused by contamination in the soil. Based on a case study...
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