Electrons from water involved in non cyclic photophosphorylation are used to reduce the added substance.

非循环光合磷酸化中由水提供的电子被用来还原产物。

youdao

These instructions, defense artificially added chemicals in food, some harmful substance is but with the naked eye or simple method of inspection.

这些说明，防御食品中人为的添加化学物质、有害物质有些是可是用肉眼或简单的方法检验出来的。

youdao

He added earwax or cerumen was a normal substance the body produces to clean, protect and 'oil' ears.

他补充说道，耳屎是人体产生的一种正常物质，它能够清理、保护和“油润”耳朵。

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Some people believe that Sarah studied the hair product she used and added her own "secret" substance.

VOA: special.2010.03.28

The International Maritime Organisation (IMO) said it would consider changing the classification of a substance, but added it was "only a facilitator".

BBC: Richard Drax MP to question government over bird pollutant

"My view is that I focus less on sound bites and more on substance, " he added.

WSJ: Candidates Skirt a Political Circus

They are working with the Farmwatch scheme in the Test Valley to introduce a liquid substance which can be added to fuel to "chemically tag" it.

BBC: Heating oil 'tagged' to tackle rural theft in Hampshire