free-radical

free-radical什么意思,free-radical翻译

基本解释

na.: 【核】自由基
网络: 烷被自由基卤素卤化；基於游离子；自由基伤害

权威解释

• 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.

英汉解释

• 〔化〕自由基

例句

• It is often related with increasing oxygen free radical, calcium overload and cell apoptosis.

  缺血预适应现象与再灌注后氧自由基生成增多、细胞内钙超载、细胞凋亡等有关。

• The main antioxidant behavior of Ht was that in antioxidant system, Ht was as a strong electron donor or a free radical scavenger.

  因此仙草在抗氧化体系中既是良好的电子供体，又是良好的自由基终止剂。

• For one, superoxide is only one of several free radical species in the body.

  其一，超氧化物只是人体中众多自由基中的一种。

• This nasty free radical causes structural damage to your cells, and such damage is thought to be one of the primary causes of cancer.

  这讨厌的自由基会导致你细胞的结构性破坏，这种损害被认为是患癌症主要原因之一。

• "If you manage to produce more energy with less free-radical production, then you can avoid aging and increase lifespan, " he said.

  他说：“如果你能在在产生较多能量的前提下减少自由基的产出，那么你就可以避免衰老，同时你的寿命也会提高”。

• Free radical damnification might be one of the liver injury mechanism of peppermint oil.

  自由基损伤可能是其肝毒性机制之一。

• Reduced glutathione in conjunction with the anthocyanidins is manufactured in Germany and is called SCAVE (free radical scavenger).

  减少与谷胱甘肽结合花青素是在德国制造，被称为SCAVE（自由基清除剂）。

• Oxidative stress occurs in a cellular system when the production of free radical moieties exceeds the antioxidant capacity of that system.

  当细胞内的自由基产物超出其自身的抗氧化能力时，便会产生氧化应激。

• Combustion is a chain reaction that may be initiated and propagated by free radicals like the hydroxyl free radical.

  燃烧是一个连锁反应，能被自由基（如羟自由基）引发和传播。

• Results: The two extractives of Physalis alkekengi had a strong scavenging effect on DPPH free radical.

  结果：锦灯笼乙醇和甲醇提取物对DPPH自由基的清除作用随浓度的增加而增大。