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This article reports the evaluation system of the insulating properties based on the pulsed electro-acoustic (PEA) method and the current integration charge Q(t) method. According to the basic ...
Imagine that you want to know the plot of a movie, but you only have access to either the visuals or the sound. With visuals ...
Many high and steep slopes are formed in the open pit mining process, whose stability will directly affect the construction and safety. Therefore, it is particularly important to detect and eliminate ...
Pew Research Center’s team of demographers, economists and other analysts accesses and uses a wide variety of publicly available data sources to conduct its population research. Much of this data is ...