Definitions for "IEM"
ar onitors are a type of earbud that sit in the ear canal. They provide isolation from outside noise by blocking it from the ear, allowing music playback at low levels. Popular brands include Shure, Ultimate Ears, Etymotic and Wetstone. You can see some examples here.
Keywords:  iir, filter
IF IIR Filter
Impax Environmental Markets
Integrated Environmental Management. A way of managing the environment by including environmental factors in all stages of development. This includes thinking about physical, social, cultural and economic factors, and consulting with all the people affected by the proposed developments. Also called "IEM".
Integrated Enterprise Management
Keywords:  microscopy, immune, electron
immune electron microscopy