1
XDP
x-ray density probe
2
XEG
x-ray emission gauge
3
XES
x-ray energy spectroscopy
4
XLPE
irradiated cross-linked polyolefin
6
XMOD
external modulator
9
XRFS
x-ray fluorescent spectrometer
11
XRPM
x-ray projection microscope
13
XUV
extreme ultraviolet