n.

a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film

a person who directs and restrains

同義詞：controller

Design of Seismic Restrainers for InSpan Hinges
Energy dissipating restrainers for highway bridges
Design of Seismic Cable Hinge Restrainers for Bridges
Cyanoethyl-containing blocked development restrainers
Seismic mitigation of bridges using smart restrainers
Effect of Pounding and Restrainers on Seismic Response of Multiple-Frame Bridges
Comparison between Shape Memory Alloy Seismic Restrainers and Other Bridge Retrofit Devices
The emerging market for intellectual property: drivers, restrainers, and implications
Effects of mood induction on eating behavior and cigarette craving in dietary restrainers
Seismic performance of isolated curved steel viaducts equipped with deck unseating prevention cable restrainers