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Electromagnetic coupling is a major problem for spectral induced polarization (SIP) when the requirement of exploration depth is > 1000 m. But I find that SIP is very useful in mineral...
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There are many caves in city's road in China. 277 cavities were found in Beijing from 2007-2009. 80% of caves happened at depth between 0 - 5m. 20% of caves happened at depth between 5 ~ 6 m. Many...
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I am wondering about the difference between ERT and TEM for shallow depth investigation. It seems that TEM is a very fast and easy way to find a conductor if a mobile array is applied. It may be...
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