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.
The specific overall rate of substrate uptake is likely to be reduced because of diffusion limitations on the transfer of substrate within the biofloc [15, 16, 17, 18]. The reported diffusion coefficients varied from 7.3 % to 73.6 % of the corresponding value in water and were dependent upon biofilm thickness [19].