查询词典 free radical

The product contains oligopeptide which is extracted from abelmosk Hibiscus seeds, the principle os the same as injecting kreotoxin for restrain the contraction of muscle cells, constantly remove wrinkles and delaying cells ageing; with favorable performance in resisting free radical, the produce can recover or improve cells natural resistance.

具有与注射肉毒素类似的机理，以抑制肌肉细胞的收缩，达到长效抗皱的功效，同时具有抗生物性细胞老化的作用；具有很好的抗自由基活性，能够恢复及强化皮肤细胞的天然防御能力。

Ellagic acid helps reduce free radical damage and protect the nuclei of cell DNA against damage.

柔花酸能有效对抗游离基，更深层保护细胞中的DNA。

Depression can induce injuries on colon of rats, which was probably due to the abnormity of metabolism of oxygen free radical and arachidonic acid.

抑郁大鼠结肠的损害可能与其结肠组织中氧自由基与花生四烯酸代谢异常有关。

AIM: To study the effect of rosmarinic acid on free radical production and lysosomal enzyme release of rat peritoneal neutrophils.

利用紫外分光法、荧光分光法研究大鼠中性粒细胞自由基生成和溶酶体酶释放以及胞浆钙离子浓度。

This paper reviews the preparation and characterization of polymers containing cholic acid obtained by free radical polymerization, polymers modified with cholic acid and polycondensation of cholic acid, etc. The development of polymers containing cholic acid in the future is also forecasted. Contents

本文从自由基聚合形成的含胆酸高分子化合物、胆酸修饰的高分子化合物和胆酸聚合物等几个方面综述了含胆酸高分子化合物的制备和特性，并对胆酸在高分子材料方面的新用途作了展望。

Evidences show that excitotoxcities of excited amino acid and free radical, Ca2+ overload, environmental alteration of neurons, mitochondrial dysfunction and activation of some apoptotic genes may be involved in it.

缺血性脑卒中确切的神经元凋亡机制尚不清楚，目前认为可能与兴奋性氨基酸、Ca2+超载、自由基的毒性作用、神经元生存环境的改变、线粒体功能障碍及凋亡调控基因的激活等因素有关。

Its mechanism is also directed against radiation-induced free radicals and lead poisoning resulting peroxide detoxification tea polyphenol compounds can be anti-oxidation and free radical scavenging, and thus achieve the anti-radiation effects, plays a radiation protection agent.

其作用机理也是针对辐射引起的自由基并导致过氧化毒害而产生的解毒作用，茶多酚类化合物可以抗氧化和清除自由基，因而达到抗辐射效果，起着一种辐射保护剂的作用。

OH and superoxide free radical(O.- 2).MethodsThe methods of DPPH.,Salicylic Acid and pyrograllol auto-oxidation were used to assay the scavenging the extract from the leaf of L. rethenicum Murr. on the three free radicals.

方法采用DPPH法、水杨酸法、邻苯三酚自氧化法分别测定黑果枸杞叶片甲醇提取物清除DPPH自由基、羟自由基和超氧自由基的能力。

That needs the trace elements enter the reaction of maintaining free radicals metabolism balance which can enhance the activity of anti-oxidate enzyme,the trace elements which can enforce the oxidate of the free radical needed to be reduced.This may decrease or increase the relevent trace elements.

这就需要血液中能增强抗氧化酶活性的微量元素参与到维持氧自由基代谢平衡的反应中，以及减少利用血液中能增强氧自由基毒性作用的微量元素，这就使得血液中相应的微量元素含量减少或升高。

When this happens the "free" electron is called a free radical.

在这种情况下，&免费&的电子称为自由基。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。