1 [NEW!] Sports vocabulary : Words for popular American sports. [ 2 NEW!] Air Travel: Useful words for traveling on airplanes and through airports. 3  The Environment: Vocabulary related to environmental science and climate change.  Family members: Relatives and other important people.
diffusion coefficient see diffusion coefficient. coefficient of digestibility the proportion of a food that is digested compared to what is absorbed, expressed as a percentage. dilution coefficient a number that expresses the effectiveness of a disinfectant for a given organism.
This fact has been taken into account in proposing the equations of mass transfer and has made it possible to obtain experimentally the effective diffusion coefficient of methylene blue in agar gel. Densitometric techniques were used to quantify concentration profiles under nonstationary state conditions.