Systems, apparatus, and methods are disclosed herein for adjusting the operation of a display based on ambient lighting conditions. A condensing heat exchanger connected to a condensing reservoir stores liquid condensate as the system is in use. 5% by weight to 5% by weight, relative to the entire molding material and are blended together. The probabilistic state machines model patterns of interaction between users and the network system. By selection of the reaction temperature and reaction time, high conversions and purity of the anhydride or imide can be selectively obtained. Furthermore, another object is to provide a novel method pertaining to enzyme modification.