a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
reductant的用法和样例:
例句
用作名词 (n.)
Reductant from an extraneous source is introduced. 外来的还原剂被引进来。
Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas. 含硫化氢的气体和水被认为是某些地区的一种主要的还原剂。