And the heliumcontent anomaly before the Lindian M_S 5.1 earthquake is also notable.
氦气在林甸5.1级地震前具有明显前兆异常变化。
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Through the research of comprehensive field sampling, sample analysis, heliumcontent calculation and data processing and so on, we obtain the application technique.
Heliumcontent in oil and gas reservoirs can be also used to determine when the trap was formed, providing a new method for the study of time-spatial distribution of the commercial oil and a...