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
- Mitochondria play an important role in energy metabolism, free radical production, aging and cell apoptosis.
线粒体在能量代谢、自由基产生、衰老、细胞凋亡中起重要作用。 - The high quality high-solids hydroxyl acrylic resins with low viscosity were prepared by free radical polymerization.
合成的改性物对羟基树脂有极好的相容性，可以与羟基丙烯酸树脂配成涂料。 - 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。 - 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。 - 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 - Copper-containing enzymes play important roles in iron and catecholamine metabolism, free radical scavenging, and in the synthesis of hemoglobin, elastin and collagen.
含铜的酶在铁和儿茶酚胺的代谢、自由基清除、合成血红蛋白、弹性蛋白和胶原蛋白中发挥重要作用。 - The role of oxygen free radical in experimental keratitis a minute hairlike projection on mucous membrane.
氧自由基在实验性角膜炎中的作用黏膜上起保护作用的细小的毛。 - 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。 - 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。