IR transmission spectroscopy
IR transmission spectrum
long wavelength IR material
hole-transmission material
optical transmission material
sound transmission material
Two-dimensional IR correlation spectroscopy(2D-IR)
AC transmission line parallelly erected with DC transmission lines
core material and filter material joint anti-perme
material evaluation of gas standard material
material quota material
sphere composed of a power hardening material and a hyperelastic material
~ 192 Ir radiation accident
~(192)Ir gamma radiograghy sources