The elemental contents were analyzed by proton induced X-ray emission (PIXE).

用质子激发X荧光（PIXE）分析了其元素含量。

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The element contents in aerosols and in their unsoluble parts were analyzed by PIXE.

用质子激发X荧光（PIXE）分析了其元素含量及其水溶后样品的元素含量。

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The efficiency calibrations for PIXE analysis system were made by means of the Monte Carlo technique.

同时，为了进行无标样分析，同蒙特卡罗方法对整个分析系统作了效率刻度。

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For example, PIXE can tell the difference between copper mined in the U.S. from copper mined in Britain.

FORBES: Scientists Use Ion Beams To Detect Forged Art

One of the interesting means the physicists article focuses on is the use of proton-induced x-ray emission (PIXE), which allows for a non-destructive study of art objects.

FORBES: Scientists Use Ion Beams To Detect Forged Art