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放射性含水率-密度计,能在油、气、水三相流动情况下,进行密度和含水率的测定。~(109)Cd放射源可释放出能量分别为22和88keV的两种射线,其中22keV的光子可用于
Radioactive moisture content - density meter, in oil, gas, water flow conditions, the density and moisture content determination. The ~ (109) Cd radiation source can emit two kinds of rays with energy of 22 and 88 keV, respectively, of which 22 keV photons can be used for