That's what's left when formic acid loses a hydrogen ion.

甲酸失去氢离子便形成甲酸盐。

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Many other insects also produce formic as well as other kinds of acid.

其他多种昆虫也能制造甲酸或其他种类的酸。

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Using the enzyme sarcosine oxidase on the samples produced the chemical compound formaldehyde. Through oxidation, the formaldehyde in turn produced formic acid.

在样本中使用这种肌氨酸氧化酶能够产生化学复合物甲醛。甲醛通过氧化，反过来又可以产生甲酸。

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The formic acid is an important chemical in industry for dye and fragrances.

ENGADGET: Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency

The system with a nitride semiconductor and a metal catalyst generates mainly formic acid from CO2 and water with light at a world's top efficiency of 0.2%.

ENGADGET: Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency

Illinois-based company Renew Power has said it has already come up with a fuel cell compatible with mobile phones, by using formic acid, the chemical sprayed by black ants on the attack.

CNN: Search for better phone power