Hydroxyl radical (OH) plays a key role in the tropospheric chemistry, so the measurement of its concentration is very important.

氢氧自由基(OH)在对流层大气化学中起着重要的作用，因此，对其浓度的测量具有重要意义。

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Hydroxyl radical (OH) is one of the most important species in the atmosphere as a major oxidant.

大气氢氧自由基(OH)是对流层大气中的主要氧化剂之一，在大气化学过程中占有重要地位。

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The scavenging effects of strawberry EDTA extract and water extracts from carambola, kidney, chilli, cauliflower on hydroxyl radical(·OH)were studied by spetrophotometry.

本文研究了草莓、杨桃、豆角、辣椒、菜花等的提取物对羟自由基（·OH）的清除作用。

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