找诗词>英语词典>free radical翻译和用法

free radical

英 [ˌfriː ˈrædɪkl]

美 [ˌfriː ˈrædɪkl]

n.  自由基; 游离基

医学化学

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
          1. in the body free radicals are high-energy particles that ricochet wildly and damage cells
          Synonym:radical

        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。
        • 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。
        • Furthermore, the mechanism of free radical scavenging reactions of Magnolol and Honokiol were proposed.
          此外,初步探讨了其自由基清除活性反应机理。
        • The oxygen free radical scavenging activities and anti-lipoprotein oxidative effects of green tea polysaccharides were studied.
          研究绿茶多糖体外清除氧自由基与抗脂蛋白氧化作用。
        • Objective To investigate the mechanisms of nonenzymatic glycosylation inducing myocardial aging and free radical theory.
          目的以非酶糖基化和自由基学说探讨心肌老化的发生机制。
        • 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。
        • 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。
        • Secondary inflammatory reaction and free radical damage existed in the tissue around intracerebral hemorrhage.
          脑出血后血肿周围存在继发炎性反应与自由基损伤。
        • 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。
        • Antioxidants are also called free radical scavengers.
          抗氧化剂也被称为自由基的清道夫。