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# transparent to x-rays
# X-ray spectrophotometer
# X-ray opaque
# ray transmitter
# ray resistant
# atmospheric transmittance to radiation
# UV exposure
# exposed to x-rays
# sensitive to radiation
# sensitive to ultraviolet rays
# UV resistant
# radiopaque
# refractometer
# radiation immunity
# infrared port
# refractor glasses
# Lynx X-ray Observatory
# X-ray elastic scattering
# Strange X-ray emitters
# transparent chamber
