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
- The majority of vinyl monomers can be used for free radical polymerization catalyst.
乙烯基类单体大多数可以采用游离基型催化剂进行聚合。 - Free Radical Scavenging Effects of Extracts from Various Parts of Citrus
柑橘不同部位提取物对羟自由基的清除作用研究 - OBJECTIVE: To study the effects of anaerobic interval training on free radical metabolism in rats.
目的：观察无氧间歇训练对大鼠体内自由基代谢的影响。 - We studied the effect of scavenging hydroxyl free radical by Se-polysaccharide and Se-protein under the best condition of Fenton system.
结果表明：硒多糖和硒蛋白清除羟自由基的效果比与之相同浓度的无机硒和相同浓度的多糖及蛋白都要明显； - Vitamin E is the main body of biological free radical scavenger and antioxidant one.
维生素E是体内最主要的生物自由基清除剂和抗氧化剂之一。 - 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。 - Study on synthesis and scavenging capacity of free radical of hesperidin-zinc complex
橙皮苷锌配合物合成及清除自由基能力的研究 - The paper reviewed the modification of chitosan by free radical polymerization and atom transfer radical polymerization ( ATRP), emphasized the application of ATRP on graft copolymerization of chitosan.
综述了普通自由基聚合和原子转移自由基聚合（ATRP）反应对壳聚糖及其衍生物进行修饰改性的研究现状。着重介绍了ATRP技术在壳聚糖接枝改性方面的应用。 - 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。 - The Effect of Dioxin on Expressions of AhR Genes and the Free Radical
二恶英中毒对AhR基因表达和自由基水平的影响