【free_radical】什么意思_英语free_radical的翻译_音标_读音_用法_例句_在线翻译

free radical
英 [ˌfriː ˈrædɪk(ə)l] 美 [ˌfriː ˈrædɪkl]

自由基：一种特别活跃的原子或原子团，其具有一个或多个未成对的电子，尤其是指在自然生物过程中由身体产生或从外部来源引入的原子或原子团，它们可以通过改变细胞、蛋白质和DNA的化学结构来损害它们。

医药科学 | 化学 | 机械工程 | 生物学

·2,447,543篇论文数据，部分数据来源于NoteExpress

n. an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule
同义词： radical

以上来源于: WordNet

1.
N-COUNT Free radicals are atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of aging, heart disease, and some cancers. 自由基 [技术] [usu pl]

The first organic free radical identified was triphenylmethyl radical.

确定的第一个有机自由基是三苯甲基。

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It may also reduce free radical damage.

它还能减轻自由基破坏。

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The organism tries to counter with free radical production.

肌体通过产生自由基来对抗衰老。

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更多双语例句

Much of the brain damage suffered during a stroke is caused by the release of so-called "free radical" molecules.

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Eliminating free radical production would involve completely redesigning aspects of our metabolism, especially the way we use oxygen to extract energy from food.

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What makes a free radical so reactive, however, is that unlike most molecules it has an odd number of electrons and electrons prefer to arrange themselves in pairs.

ECONOMIST: Carbon balls to a radical rescue

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