free radical
美 
英
- n.自由基；游离基
- 网络氧自由基；对抗自由基；自由基或游离基
词形变化
复数：free radicals
英汉双解
1. | 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
英英解释
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。
At least one ion type monomer or ion type macromolecular compound is added in the course of free radical polymerization.
在所述的自由基聚合过程中，至少一种离子型单体或离子型高分子化合物被加入。
Are we treating arthritis by suppressing the protective inflammation brought about by years of free radical damage?
我们是通过抑制自由基多年伤害带来的炎症来治疗关节炎吗？
These antioxidants also fight against free radical damage that can occur within the brain as well as the body.
这些抗氧化剂还能够对抗大脑内及其它身体各部位的自由基损伤。
Recently, living free radical polymerization is one of the fastest growing points in polymer chemistry.
近几年来，活性自由基聚合已成为高分子研究领域中最热点的部分之一。
The pomegranate juice and apple juice had no evident effect on TAOC and concentration of free radical in the heart tissue of aged rats.
苹果汁、石榴汁对老龄大鼠心脏抗氧化能力及自由基水平均无显著性影响。
At least one hydrophobic monomer is added in the free radical polymerization process.
在所述的自由基聚合过程中，至少一种疏水性单体被加入。
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。
The problem of orientation of addition goes right back to the beginning of free radical chemistry.
关于加成的定向问题，可以一直追溯到自由基化学的起源。
Free-radical accumulation is linked to aging, but the olm's antioxidant activity is nothing special.
自由基会随着年龄的增长而在体内堆积，但是奇怪的是洞螈的抗氧化机制也没有什么特别的地方。
They are large molecules that are able to maintain stability even if they are in a free radical form.
抗氧化剂是很大的分子团，即使是在自由基的状态下它们仍能保持稳定。
Tea polyphenols have strong antioxidant and physical activity, the body's free radical scavenger.
茶多酚具有很强的抗氧化性和生理活性，是人体自由基的清除剂。
As a free radical, oxygen in the body can corrode cell membranes, which will damage DNA and the fats.
氧分子在体内会侵蚀细胞膜，破坏DNA和脂肪。
Objective: To determine anti oxygen free radical (anti OFR) function in each herb of Kangqianling Granules and its compound prescription.
前言：目的：检测抗纤灵颗粒中各单味中药与全方的抗氧自由基作用。
Milk Thistle has a protective effect on the cell membrane which is mediated by a strong free radical scavenging and antioxidant action.
水飞蓟具有细胞膜上的是由一个强大的清除自由基和抗氧化作用介导的保护作用。
Evidence suggests that pumping in too much oxygen too quickly can strip the molecule of a single electron, creating a free radical.
证据显示，太快地吸入过多的氧气可能夺走单电子的分子，形成自由基。
consisting of three pathways: free radical oxidation, High temperature pyrogenic decomposition and supercritical water oxidation.
主要有三种途径：自由基氧化、高温热解、超临界水氧化[]。
Owing to its structural advantage, the free radical of nitroxide has been an important component for organic magnets.
氮氧自由基因其结构优势已成为有机磁体的重要构件。
abstract: BACKGROUND: High glucose-induced free radical damage is a central link to pathological mechanism underlying diabetic retinopathy.
背景：高血糖导致的自由基损伤是糖尿病视网膜病变发病机制的中心环节。
The antioxidant activities of each extract from two Juncaceae plants were determined by using DPPH free radical scavenging method.
采用DPPH法对两种灯心草属植物不同溶剂提取物进行抗氧化活性研究。
Proanthocyanidins(PC)is an effective antioxidants and free radical scavenger derived from many plants in nature.
原花青素来源于自然界很多植物，是一种有效的抗氧化剂和自由基清除剂。
free radical are a highly reactive group of atoms , molecules or radicals , which carry unpaired electron in outer orbital.
外层轨道上有单个不配对价电子的原子、原子团或分子。
The styrene-acrylic emulsion modified by double hydroxyl tetra-coordinated silicon was prepared by free radical emulsion polymerization.
通过乳液聚合方法，制备了双羟基四配位硅改性苯丙乳液；
The increasing of free radical by heavy increasing load training is an important factor influencing sport ability.
大负荷递增负荷运动导致自由基的生产增加是影响运动能力的重要因素。
Suitable movement can reduce quantity of free radical of the organism, improve the anti-oxidant ability, and therefore slow aging.
适宜的运动负荷能够减少机体自由基数量，提高机体抗氧化能力，延缓衰老。
Vinyl others, used with unsaturated polyesters, cured by a free radical mechanism, are used in some segments of the wood industry.
在一些木材工业部门中将乙烯醚同不饱和聚酯组合，并通过游离基固化。
Low temperature plasma is a partial ionized conductive gas containing ion, electron, free radical etc. which has high chemical reactivity.
低温等离子体是一种部分电离的导电气体，包括离子、电子、自由基等活性粒子，具有极高的化学反应活性。
It has been reported that chitosan has wound-healing, free radical scavenging and radioprotective effects.
研究表明，壳聚糖具有加速伤口愈合、清除自由基、抗辐射等作用。
Antioxidants are also known as free radical scavengers.
抗氧化剂也被称为自由基清除剂。
The free radical scavenging effects and antioxidation ability of betacyanin extract were related to its betacyanin content. 4.
半枝莲甜菜红素提取物清除自由基与抗氧化能力与甜菜红素含量有关。
Polyvinyl pyrrolidone (PVP) is polymeric fine chemical obtained by free radical polymerization of N-vinyl pyrrolidone (NVP).
聚乙烯吡咯烷酮（PVP）是N-乙烯基吡咯烷酮（NVP）经自由基聚合而成的一类高分子精细化学品。
