That amplifies serotonin's mood-brightening effect, at least for some people.

这就使五羟色胺的正性精神作用放大，至少在部分人身上如此。

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The acting principle of flour brightener and the effective factors of brightening effect were analysed. The reasonable addition level of brightener and adding methods were put forward.

通过对面粉增白剂作用原理和增白效果影响因素的分析，提出面粉增白剂的合理用量及添加方法。

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The results showed that the dyeing brightening agent can brighten and deepen direct and acid dyes, but it has no effect on metal complex dyes and its brightening effect disappears after being baked.

结果表明此种新型染色增艳剂对酸性和直接染料具有很好的增深、增艳作用，对金属络合染料没有增艳作用，烘干后使用增艳效果消失。

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As new regulations clean up shipping fuels in order to improve air quality in coastal regions, that brightening effect will be reduced, adding to the world's warming in a sort of inadvertent reverse geoengineering.

ECONOMIST: Geoengineering

"If it is true that the mechanism is all about rays enhancing diffuse radiation, it would mean that 'global dimming' and 'global brightening' would have a big effect on tree growth and therefore on the absorption of carbon dioxide, " warns Ms Dengel.

BBC: Earth News - Cosmic pattern to UK tree growth