1. a flame or part of a flame (as the inner cone of a gas flame) having partially burned gas and being capable of extracting oxygen from various metallic oxides placed within it
reducing flame 例句
英汉例句
Deposition of carbon nanofibers on a low carbon steel substrate using an oxy-acetylene reducing flame
低碳钢基体表面氧乙炔碳化焰法沉积纳米炭纤维
A slightly reducing flame should be used, with a slight feather on the inner blue cone; the outer portion of the flame, pale green.