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.
运用电子自旋共振（ESR）技术直接观察了两种硒的化合物对过氧自由基的清除作用。
The scavenging effect of selenium on peroxy radical was directly investigated with two kinds of selenium compound by means of electron spin resonance (ESR) technique.
本文着重从硒的化学，自由基与抗氧化系统，硒蛋白，与凋亡、癌症以及生殖系统的关系等几个方面对硒的研究加以综述。
Chemistry of Selenium, free radical and antioxidant system, selenoproteins, and its interaction with apoptosis, cancer and reproductive system were mainly reviewed in this paper.
本文研究在氢氧化铯催化下，三甲硅基乙炔与二芳基二硒醚的反应。
It has been researched on the reaction of trimethylsilylacetylene with diphenyl diselenide catalyzed by cesium hydroxide.
实验结果说明不同硒化合物不仅能够清除细胞体系产生的活性氧自由基，而且对化学反应生成的活性氧自由基也有清除作用。
It is concluded that the different selenium forms can clear the active oxygen radicals produced from both cellular metabolism and chemical reactions.
Swisse的清肺片选取锌，硒及维他命C和E等具备抗氧化性物质为配方，帮助保护细胞以防自由基伤害。
Swisse Ultiboost Lung Health Support is formulated with zinc, selenium and vitamins C & E, which are antioxidants that help protect cells from potential free radical damage.
提高培养基中蛋白质、脂肪和铁、锌、硒的浓度，有利于食用菌对铁、锌、硒的富集。
The high quantily of proteinfat and the concentration of IronZinc and Selenium ions in the medium is more advantageous to bioconcentration of edible fungi.
本文报道了一种合成二烃基二硒醚的新方法。
A new method for the synthesis of dialkyl diselenides is reported in this paper.
本文报道了一种合成二烃基二硒醚的新方法。
A new method for the synthesis of dialkyl diselenides is reported in this paper.
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