矽肺胶原缺乏活泼性较高的稳定自由基。
In silicotic collagen the active stable free radical was absent.
一个稳定自由基的中间体是脱除二氧化碳所需的必要条件。
A stable radical intermediate is a necessary requisite to loss of carbon dioxide.
通过顺磁共振的方法证实了反应过程中二价铜和稳定自由基的存在。
The electron spin resonance (ESR) spectrums demonstrated the existence of Cu(II) and stable radicals during the polymerization process.
采用自由基聚合和稳定自由基聚合，可合成水性体系用的颜料分散剂。
A pigment dispersant for water borne system was prepared by free radical polymerization and stable free radical polymerization.
抗氧化剂还能和自由基结合，形成其他更稳定的化合物。
Or they combine with free radicals to form different, more stable compounds.
但是，抗氧化剂可以中和自由基，它把自己的电子给予自由基而使其达到一种稳定的状态。
Antioxidants, however, interfere with this process by giving free radicals one of their own electrons to stabilize them.
研究者知道被称为自由基的不稳定分子能破坏你的细胞dna，增加得癌症的概率。
Researchers know that unstable molecules called free radicals can damage your cells' DNA, upping the risk of cancer.
这些包括维生素a、C、E和硒、胡萝卜素、叶酸在内的混合物是抗自由基的，人们认为不稳定的自由基会伤害细胞并且导致人衰老。
These compounds, which include vitamins a, c, and e, selenium, beta carotene, and folate, fight free radicals, unstable compounds thought to damage cells and contribute to aging.
视黄醇是一种抗氧化剂，它能中和自由基，比如说像不稳定的可以引起皱纹的氧自由基。
Retinol. As an antioxidant, retinol neutralizes free radicals such as unstable oxygen molecules that cause wrinkles.
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。
They are large molecules that are able to maintain stability even if they are in a free radical form.
阿自由基产生的许多生化过程或有毒物质，如化学品，农药，重金属等，都是不稳定的分子，有一个电子失踪。
Free radicals produced by many biochemical processes or toxic substances, such as chemicals, pesticides, heavy metals etc, are unstable molecules that have an electron missing.
其结果证实：在种种分子重排反应中，总是趋向于生成结构更稳定的碳正离子或碳负离子或自由基中间体及其产物。
Their result affirm: in all sorts of molecular rearrangement reactions, anyway tend to produce more stable carbocation, or carboanion, or free radical middle substance and their products.
黑色素能够产生一个稳定的自由基信号，在所有的状况下都能够增强质子的弛豫。
Melanin produces a stable free radical signal under all known conditions which enhances proton relaxation. The degree of shortening corresponds to the melanin content.
二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定。
Diaryl nitroxides are even more stable than the dialkyl nitroxides.
根据光稳定剂作用机理的不同，将光稳定剂分为光屏蔽剂、紫外线吸收剂、激发态猝灭剂及自由基捕获剂。
Based on different action principle, light stabilizers were defined as ultraviolet light screening agent, ultraviolet absorbent, quencher and free radical catching agent.
对于光引发聚合的原理及硫自由基的稳定性对聚合反应的影响也进行了讨论。
The mechanism of photo-induced polymerization and the effect of the stability of sulfur radical on block copolymerization are also discussed.
并讨论了含氟有机自由基的良好室温稳定性的机理。
This paper also discussed the mechanism of excellent stability of fluorine-containing organic radicals at room temperature.
考察了自由基的热稳定性和经时变化。
通过在稳定的自由基存在下进行1，3-二烯的控制的自由基聚合制备1，3-二烯的遥爪低聚物的方法。
Method for preparing telechelic 1,3-diene oligomers by the controlled free radical polymerization of 1,3-dienes in presence of a stable free radical.
对这种损害是由于自由基：不稳定分子时创建的身体使用氧气。
Much of this damage is caused by free radicals: unstable molecules created when the body USES oxygen.
对这种损害是由于自由基：不稳定分子时创建的身体使用氧气。
Much of this damage is caused by free radicals: unstable molecules created when the body USES oxygen.
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