羟基 (qiǎng jī) — hydroxyl group
Definizione
A hydroxyl group: an oxygen–hydrogen (–OH) unit bonded to a molecule. It is the active, reactive site in many organic compounds, including sugars, alcohols, and drug molecules.
noun
hydroxyl group
Esempi
- 羟基。Zhè ge huà hé wù lǐ yǒu sān gè qiǎng jī.This compound has three hydroxyl groups.
- 羟基。qiǎng jī Zài huà xué fǎn yìng zhōng hěn huó yuè.Hydroxyl groups are very reactive in chemical reactions.
- 羟基。Hěn duō yào wù fēn zǐ bāo hán qiǎng jī.Many drug molecules contain hydroxyl groups.
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