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high end environmental quartz high frequency screen in Calgary

Environmentalhazards and distribution of radioactive. 3. Airborne gamma ray spectrometric data and results. Gamma ray is an ionizing electromagnetic radiation of extremelyhighfrequency (10 20 − 10 24 Hz) andhighenergy (0.4–3.0 MeV).Airborne gamma ray spectrometry (AGRS) is a non-invasive rapid method used for geological mapping, minerals exploration and gamma radiation mapping (Grasty and ...

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