这些化合物能消除过氧化氢等自由基，而要维护健康的新陈代谢功能的话，必须把这些自由基从细胞中清除出去。
These compounds have the ability to scavenge free radicals such as hydrogen peroxide, which must be removed from cells to maintain healthy metabolic function.
我们的身体始终都暴露在自由基这种短瞬存在的有机分子中，而这些自由基会通过氧化作用而损害细胞。
Our bodies are constantly exposed to short-lived organic molecules known as free radicals, which harm cells in a process called oxidation.
促氧化作用将产生自由基并形成过氧化氢，而科学家假定后者可以杀伤肿瘤细胞。
Prooxidants would generate free radicals and the formation of hydrogen peroxide, which, the scientists hypothesized, might kill tumor cells.
过氧化氢、臭氧都是比较强的氧化剂，他们都能产生大量的羟基自由基？
Hydrogen or ozone is one of the most strongest oxidants, because they can generate much of hydroxyl radical?
李子干含有的大量新绿原酸和绿原酸，是对付“过氧化阴离子自由基”特别有效的抗氧化剂。
Dried plums contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective in combating the " superoxide anion radical".
氢通过氧化物分解为自由基的过程，可被各种催化剂加速，特别是过渡金属。
Hydroperoxide decomposition into radicals is accelerated by various catalysts, notable the transition metals.
实验还表明，本品能显著升高血浆及血红细胞SOD活力，减少脂质过氧化产物—MDA含量，表明其有一定清除自由基的作用。
It could also activate the SOD of plasma and erythrocytes and decrease the contents of MDA, the product of lipid peroxidation, which suggest that ti could scavenge free radical to some extent.
苯妥英钠对缺血性脑损伤的神经保护作用与其能抑制自由基形成，减轻自由基介导的毒性，抗脂质过氧化反应以及扩张血管，增加局部脑血流量有关。
Phenytoin sodium may protect brain tissues from cerebral ischemic injury by inhibiting formation of free radical, anti-lipid peroxidation and improving regional cerebral blood flow.
铁，作为血红蛋白的降解产物，在许多疾病的神经损害中起着关键作用，脑内铁含量的增加可导致脂质过氧化和自由基产生。
Iron, a hemoglobin degradation product, plays a key role in neurodegeneration in many disease states, and an increase in brain iron can result in lipid peroxidation and free radical formation.
结论褪黑激素能增强大脑皮质对氧自由基和细胞内钙离子的清除能力，对抗神经细胞过氧化和延缓神经组织衰老具有一定的作用。
Conclusion It suggested that melatonin may have an effect on clearing oxygen free radical and free calcium ion in the nerve cells of cerebral cor-tex and delaying the brain aging.
高浓度的混合推进剂中毒时，自由基产生相对减少，机体外周血和肺外器官不发生显著的脂质过氧化损伤。
There is no evidence that the overdose of free radicals is produced and lipid peroxidation occurs when the animals are exposed to high dose of liquid propellant.
衰老的自由基学说认为，自由基及其诱导的脂质过氧化对生物膜的损害作用是衰老发生的主要原因之一。
The free radical theory of aging indicates that the effect of membrane damage produced by free radicals and lipids peroxidation is one of the major reasons of aging.
结果表明：福建黄酒能在一定程度上抑制脂质过氧化反应和亚油酸的氧化，对DPPH自由基有一定的清除作用。
It was found that Fujian Yellow Rice Wine can inhibit the lipoperoxidation and the oxidation of TBA to some extent, which also has a scavenging effect on the DPPH radical.
本实验研究了莲子心水提液对氧自由基的清除作用及其对脂质过氧化反应（LPO）的抑制作用。
The scavenging effect of water extracts from lotus germ on oxygen radicals and its inhibitory effect on lipid peroxidation(LPO) were studied.
自由基介导的脂质过氧化反应在脊髓缺血及缺血后再灌流损伤中具有重要作用。
The effects of lipid peroxidation initiated by free radicals contributed seriously to spinal cord ischemia and postischemic reperfusion injury.
研究了莲子心乙醇提取液对氧自由基的清除作用及其对脂质过氧化反应（LPO）的抑制作用。
The scavenging effects of ethanol extracts from lotus germ on oxygen radicals and their inhibitory effect on lipid peroxidation(LPO) were studied .
通过对自由基反应原理和引发剂活性的阐述，结合高压聚乙烯管式法工艺，分析有机过氧化物引发剂在高压聚乙烯的选择应用。
The selection and application of organic peroxides initiators in LDPE production are discussed. The reaction of free radical and activity of the initiator are also described.
结论：银可络在治疗高血压病过程中具有较强抗氧自由基损伤和抗脂质过氧化损伤作用。
CONCLUSION: Ginkgo plus has remarkable effects on anti oxygen free radicals injury and anti lipoperoxidation injury in treating essential hypertension.
方法：采用体外氧自由基生成系统和羟自由基诱导的小鼠肝匀浆脂质过氧化反应，评价炮制对桂枝抗氧化作用的影响。
Method: the oxygen free radicals generation system in vitro and mouse liver homogenate lipid peroxidation reaction induced by hydroxy free radicals were used to estimate the effects.
研究发现，蝌蚪黑色素能有效清除激发态自由基。对肝脂质过氧化有明显抑制作用。
The results showed that black pigment of frog tadpole can effectively cleaned up the free radical in rat liver tissue, and inhibited lipid peroxidation.
观察古汉养生精对运动至力竭小鼠红细胞形态和自由基代谢的影响，探讨其对运动致红细胞畸变及脂质过氧化的保护作用。
The effect of Ancient Han Health Essence on red cell morphology and free radical metabolism has been studied in the exercise mice.
氧化自由基堆积造成脂质过氧化损伤，这可能是患者RBC免疫功能受损的重要原因。
It is suggested that lipid peroxidation might be one of the reasons causing RBC immunity damage.
结论2 -乙氧基乙醇能引起肝脏一氧化氮自由基增加并诱发脂质过氧化反应对肝脏发生毒性作用。
Conclusion the study demonstrated that 2 ethoxyethanol can increase the liver level of no free radicals and the lipid peroxidation may play an important role in 2 ethoxyethanol's liver toxicity.
通过机理分析和对不同引发条件下的自由基加成反应的比较，认为过氧化物引发自由基加成反应制备六氟丁醇具有工业化前景。
According to the discussion of reaction conditions using different initiations, it was believed that peroxide-initiated free-radical addition reaction was a promising method by mechanism analysis.
介绍了锰及锰卟啉对超氧化物、羟化自由基、脂质过氧化等自由基的抑制作用，并初步讨论了它们的作用机理。
This paper mainly introduces the inhibition function of manganese and manganese porphyrins to superoxide and hydroxyl radicals, lipid peroxidation.
SOD是氧自由基的清除剂，能清除脂质过氧化产物，对组织细胞产生保护作用。
Superoxide dismutase (SOD) which is a clearance agent to free radical can clear lipid peroxides and is a role in protecting cells and tissue.
过氧化物歧化酶(SOD)等能有效地清除生物氧化产生的自由基，对机体起到保护作用。
SOD et al can effectively clear free-radicals which organism oxidation produce and shield to economy.
表明柳茶的保肝作用可能与其清除自由基、抑制脂质过氧化有关。
These results suggest that Liu Tea has protective effects on the liver, which may be related to the clearing of free radicals and inhibition of lipid peroxidation.
此外，探索通过氧化或者自由基引发，对甲苯类化合物的饱和氢活化进行苄基化反应。
Furthermore, benzylation of methyl-substituted benzene by activation of saturated hydrogen through the use of oxidation or free radical initiation has been developed.
此外，探索通过氧化或者自由基引发，对甲苯类化合物的饱和氢活化进行苄基化反应。
Furthermore, benzylation of methyl-substituted benzene by activation of saturated hydrogen through the use of oxidation or free radical initiation has been developed.
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