source: In establishing the stoichiometric, thermochemical, and kinetic relationships [in a  biological process used in wastewater treatment DH] it must be remembered that these  can be greatly influenced by such environmental variables as temperature, pH, light, ionic  environment, etc. # it is frequently necessary to resort to  experimentation, especially for industrial wastes.
target: In establishing the stoichiometric, thermochemical, and kinetic relationships [in a  biological process used in wastewater treatment DH] it must be remembered that these  can be greatly influenced by such environmental variables as temperature, pH, light, ionic  environment, etc. And since The gaol is to establish the stoichiometric, thermochemical and kinetic relationships. it is frequently necessary to resort to  experimentation, especially for industrial wastes.