Differentiation Microbial -- See Microbial differentiation Here are entered works on differentiation in function and/or morphology of microorganisms. Works on the identification of microorganisms are entered under Microorganisms--Identification.
Diffuse Sky Radiation -- See Atmospheric radiation Here are entered works on the infrared radiation emitted by or propagated through the atmosphere. Works on the total infrared radiation emitted from the earth's surface are entered under Terrestrial radiation.
Diffusion Of Innovations -- See Also the narrower term Technology transfer Subdivided by the region or country receiving the technology. Where applicable, also make an additional entry under this heading with subdivision for the region or country transferring the technology.