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 also dramatically increase free radical generation in the brain.
他们还大幅增加自由基的生成在大脑中。 - 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 - 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。 - 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 - 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。 - 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。 - 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。 - Iron and copper increase oxidative stress ( free radical damage), which is a major problem in CFIDS.
增加铁和铜的氧化应激（自由基损伤），这是一个重大问题在CFIDS。 - 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 - 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。