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A normal cement specimen is highly susceptible to the radiation from the electron beam; therefore, care was taken to avoid radiation damage(a small spot size (spot size 3) was used, long-time (5 min) exposure of the specimen to the electron beam was avoided, etc.).
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a diffusion gradient from a large source/sink, such as a CH inclusion with a diameter of few hundred nanometers.ÖеÄa large source/sinkÊÇʲôÒâ˼?
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