Free oxygen

Free oxygen accelerated this process .

游离氧对这一转变起了促进作用。

It is thanks to the green plants that the air is full of free oxygen .

多亏有了绿色植物，空气中充满了游离氧。

This rapid aging process is caused by the release of free oxygen radicals .

快速老化是由氧自由基的释放引起的。

Free oxygen radical changes in critically ill patients

内科危重病患者氧自由基的变化

The Diverse Effect of Free Oxygen Radicals on the Cultured Human Embryonic Chondrocytes

自由基对体外培养人胚关节软骨细胞的影响

The relation of free oxygen radical and rabbit 's arrhythmia after ischemia-reperfusion

氧自由基与家兔心肌缺血-再灌注后发生心律失常的关系

An organism esp. a bacterium that requires air or free oxygen for life .

需要空气或丰富的氧气生存的有机体特别是细菌。

Free oxygen radicals are not the most important to reperfusion-induced arrhythmia .

[结论]再灌注心律失常与缺血持续时间呈钟型分布，氧自由基在再灌注心律失常中不起重要作用。

Why ? 100 % oxygen may increase the level of free oxygen radicals , thereby damaging tissue .

因为纯氧吸入提高了氧自由基，对组织造成伤害。

Conclusion Pretreatment with heat stress can enhance the activity of SOD to remove free oxygen radicals in the cells .

结论热应激预处理可增强SOD清除细胞内氧自由基的水平。

Thus , the myocardial reoxygenation damage might have close relation to the toxicity of free oxygen radicals .

实验结果提示心肌再给氧损伤与氧自由基毒性密切相关；

This process generated free oxygen as a by-product-a waste product that was to determine the future course of evolution .

这一过程产生了一种副产品，氧气，而氧气决定了未来进化的历程。

Study on Extraction of Active Substance in Gynura bicolor DC and Its Scavenging Effects to Free Oxygen Radical

红凤菜中活性物质的提取及对超氧阴离子自由基的清除作用

Report on Application of free oxygen remover ( for ) on grain ( oilseeds ) and edible PIL storage

除氧剂应用于粮食（油料）、油品储藏的试验报告

Conclusion Free oxygen radical was largely produced in the ischemia reperfusion myocardium . It may be one of the causes of the reperfusion arrhythmia

结论心肌缺血-再灌注后大量氧自由基产生，可能是导致再灌注性心律失常的原因之一

In the article do the experimental research on its action of anti-tired , anoxic-resistance , and clearing away the free oxygen .

我们就其抗疲劳，耐缺氧，清除氧自由基作用进行实验研究。

The results showed that this Injection could effectively scavenge free oxygen radicals and inhabit lipid peroxidation ( P < 0.01 , compared with control group ) .

结果表明，该注射液能有效地清除氧自由基并抑制脂质过氧化反应（与对照组相比均P＜0.01）。

Therefore , it is critical to control the system leakage , free oxygen in the feed and local temperature over-run and have a good maintenance of heat exchange equipment .

因此，控制系统泄漏和原料中的游离氧，平稳操作防止局部超温，以及及时检修水冷器管束泄漏是非常重要的。

The formation of heavy oil reservoirs is chiefly controlled by late uplifting of the basin , biodegradation , water-washing , and free oxygen oxidizing .

重质稠油藏的形成主要受盆地后期抬升活动、生物降解、地层水洗和氧化作用等因素控制。

The arsenate is usually formed in oxidation zones in contact with the atmosphere and free oxygen , and arsenic will precipitate with ferric hydroxide .

在与大气和游离氧接触的氧化带中，常形成砷酸盐，而且砷与氢氧化铁一起沉淀。

CONCLUSION : FCI has protective effect on acute myocardial ischemia and its mechanism may be related to decreasing the myocardial injury induced by free oxygen radical and reducing blood viscosity .

结论：红花注射液对大鼠急性心肌缺血具有保护作用，其作用机理可能是减轻心肌缺血中自由基损伤程度以及降低血液流变学指标。

This is mainly the inhibition of iron slag to add methane production while increasing the free oxygen of the oxide layer in the soil nearby , promoting methane oxidation due .

这主要是由于铁炉渣添加抑制了甲烷产生同时增加了土壤氧化层附近的游离氧，促进了甲烷氧化所致。

Objective : To observe the protective effect of sound preconditioning on hearing in acoustic trauma and explore the relevant mechanism with regard to free oxygen radicals in the cochlea .

目的：观察声预处理对噪声性听力损失的保护作用，并从氧自由基途径探讨其机制。

Scientists have known that the skin and seeds of grapes are a rich source of proanthocyanidins , an antioxidant that removes harmful free oxygen radicals from cells .

葡萄皮和葡萄籽均富含抗氧化剂原青花素，它可以去除细胞内有害的氧自由基。

Conclusion PGE_1 has a protective effect on the lung injury by effectively reducing the neutrophil sequestration in the lungs and the level of free oxygen radicals produced during CPB .

结论PGE1可减轻CPB引起的PMN在肺内聚集、降低肺内自由基的产生，并减轻由此引起的肺损伤。

Along with gradual increase of free oxygen and decrease of the density of CO_2 , through 2000 million years ' evolution , the atmosphere and hydrosphere with oxygen had eventually been formed .

2000Ma之后，大气圈和水圈的游离氧已逐渐增多，CO2的浓度逐渐降低，形成了含氧的大气圈和水圈。

The high affinity uptake of glutamate is regulated by various factors , such as arachidonic acid , nitric oxide , free oxygen radicals , protein kinases , cytokines and growth factors .

花生四烯酸、一氧化氮、氧自由基、蛋白激酶、细胞因子及生长因子等多种因素能调节或影响高亲和Glu摄取。

Effects of benazepril on cardiac function , free oxygen radicals , sarcoplasmic reticulum Ca ~ ( 2 + ) - ATPase following cardiac ischemia - reperfusion in spontaneously hypertensive rats

苯那普利对自发性高血压大鼠心肌缺血-再灌注心功能、氧自由基和肌浆网Ca~（2+）-ATP酶的影响

Although the pathogenesis of HIRI has not been completely understood , most of scholars believe that HIRI is related to free oxygen radicals and calcium overload , et al .

HIRI的确切机制目前尚不完全清楚，多数学者认为与氧自由基及钙离子超载等因素有关。

Conclusions The presence of free oxygen radical mediated tissue damage in the cornea with lipid peroxidation following excimer laser keratectomy . They may contribute to an increase apoptosis in cornea after PRK .

结论：准分子激光屈光性角膜切削术后早期，角膜存在着脂质过氧化形式介导的自由基性的组纵损伤破坏，促进角膜细胞的凋亡；