free radical
英 [ˌfriː ˈrædɪkl]
美 [ˌfriː ˈrædɪkl]
n. 自由基; 游离基
牛津词典
noun
- 自由基；游离基
an atom or group of atoms that has an electron that is not part of a pair, causing it to take part easily in chemical reactions. Free radicals in the body are thought to be one of the causes of diseases such as cancer.
柯林斯词典
- 自由基;游离基
Free radicalsare atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of ageing, heart disease, and some cancers.
英英释义
noun
- an atom or group of atoms with at least one unpaired electron
- in the body free radicals are high-energy particles that ricochet wildly and damage cells
双语例句
- They are large molecules that are able to maintain stability even if they are in a free radical form.
抗氧化剂是很大的分子团，即使是在自由基的状态下它们仍能保持稳定。 - This reaction has been classified as a free radical chain process.
这种反应是按自由基连锁反应的历程进行分类的。 - Objective to study the scavenging effect of Cheqiancao on oxygen free radical.
目的研究车前草对氧自由基的清除作用。 - Fluorine-containing polymer-base fatliquoring agent was prepared through free radical copolymerization with maleic anhydride and natural oil.
通过动、植物油与马来酸酐共聚，然后用十二氟庚醇和高级脂肪醇酯化，合成了含氟聚合物加脂剂。 - Study on the ability of scavenging free radical of the different extracts from leaves of Eucalyptus
桉树叶不同提取物对自由基的清除能力研究 - The anti-oxidizing function can prevent the aging of skin caused by free radical.
具有抗氧化功能，可抵御自由基所造成的肌肤老化。 - Antioxidants are also called free radical scavengers.
抗氧化剂也被称为自由基的清道夫。 - Protein helps repair cells that have suffered free radical damage.
蛋白质帮助修复被自由基破坏的受损细胞。 - Conclusion Formaldehyde can injury free radical eliminated system to cause lung injury.
结论：甲醛可损伤小鼠自由基清除系统。 - Status of free radical and water in ultradried seeds with distinct moisture content were investigated in safflower seed.
研究了不同超干度的红花种子自由基和水分状态。