Brightnessgain is an important parameter which can attribute the radiant energy's conversion characteristic of the image intensifier.
亮度增益作为像增强器的重要参数，表征了对辐射能量的转换特性。
2
The results showed that sodium dithionite was effective in bleaching this kind of pulp and 7 points of ISO brightnessgain were achieved under the optimum conditions.
结果表明，在经优化的实验条件下，保险粉漂白该浆种效果良好，可提高白度7%以上。
3
In the evenings that follow, Mercury will slowly diminish in brightness, but it will also slowly gain altitude as it gradually moves away from the vicinity of the Sun.