在空气存在下其氧化产物的产率这90%以上。
The epoxides were obtained with up to 90% yields in the reaction system with air.
其氧化产物的紫外吸收光谱、1h核磁共振谱和红外光谱有明显改变。
Compared with that of lignin sulfonic acid, the spectra of UV, 1h NMR and IR were changed apparently.
然而构成这种岩石的化学元素十分的复杂，因此根据常规的岩石分析得出出现在玄武岩里的金属都是其氧化产物。
The actual chemical make-up of rocks is complex, so the conventions of petrological analysis pretend that these metals are present in basalt as their oxides.
其产物是氢气和一氧化碳，并可以进一步转化为液体燃料。
That produces hydrogen and carbon monoxide, which can be converted to a liquid fuel.
抗氧化补充片剂是由工厂生产的合成物质，相比于天然产物其可能不安全。
"Antioxidant supplements in pills are synthetic, factory processed, and may not be safe compared with their naturally occurring counterparts," they wrote.
结果表明：在此条件下加氢，产物碳碳双键含量减少，其综合性能特别是高温耐氧化性得到了显著提高。
The result shows that under the optimal conditions, the content of double carbon bond in product reduced, and the comprehensive properties, especially, the oxidative resistance improved greatly.
臭氧与DDT的反应性较差， 加入H2O2能有效地去除母体化合物DDT，但不能有效去除其臭氧氧化中间产物的雌激素活性。
Ozonation was shown to be less reactive for oxidation of DDT, and could be enhanced with combination of H2O2, however couldn't get an effective estrogenic activity removal.
当细胞内的自由基产物超出其自身的抗氧化能力时，便会产生氧化应激。
Oxidative stress occurs in a cellular system when the production of free radical moieties exceeds the antioxidant capacity of that system.
第二个氧化峰是硫酸铋膜底层铋的二次氧化，其产物为非晶态的铋的氧化物或水合物。
The second oxidation peak is the second oxidation of bismuth under the bismuth sulphate film. The oxidation product is non-crystalline.
胆甾-4-烯-3-酮，作为胆固醇的氧化产物，其本身具有抗肥胖、治疗肝病、防止皮肤角质化等作用。
Cholest-4-en-3-one, as the cholesterol oxidation products, it plays the role of anti-obesity, the treatment of liver disease, preventing skin keratinizing.
其分部收集液能与已部分纯化的多酚氧化酶相互作用，形成褐变产物；
The extracts from HPLC could react with polyphenol oxidase purified partially from betelnut and result in browning products.
目的了解二氧化氯在饮用水消毒中毒副产物的污染状况，并探讨其产生原因及控制对策。
Objective to explore the status of pollution of toxic byproducts in drinking water disinfected by chlorine dioxide, as well as its causes and countermeasures.
暴露于大气中的铝表面呈现三层结构，即氧化铝和氢氧化铝层、其上的腐蚀产物层和最上层的污染物沉积形成的污染物层。
A three layer of aluminum exposed to atmosphere is identified: the aluminum and its native oxide, the corrosion layer atop oxide aluminum, and a surface contamination layer.
该文综述美拉德反应产物抗氧化活性及其国内外研究进展，并对其抗氧化机理进行一些探讨。
In this article, the antioxidative and the development of antioxidative of Maillard reaction products (MRPs) were summarized, and the antioxidative mechanisms were discussed.
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.
通过采用主成分分析方法对聚丙烯光氧化后的红外显微图像进行分析，发现在聚丙烯光氧化的不同阶段，其光氧化产物不同。
In this work, the photooxidation of PP and PE are investigated by FTIR imaging coupled with PCA. The oxidized product varies from different photooxidized period of PP.
环状过氧化物作为一类具有生物活性的天然产物的结构单位，其合成方法的研究对于这类天然产物的合成具有重要的指导作用。
Synthetic studies on cyclic peroxide which constitutes active structure unit in some natural substances are of great importance to the total synthesis.
丙二醛(MDA)是膜脂过氧化的终产物，其含量可用来反映植物对逆境条件的反应强弱。
Malondialdehyde (MDA) is the final product of lipid peroxidation, and its content can reflect stress tolerance of plants.
本文综述了美拉德反应产物抗氧化活性及其国内外的研究进展，并对其抗氧化机理进行探讨。
In this article the antioxidative and the development of antioxidative of MRPs are summarized, and the antioxidative mechanisms are discussed.
本文综述了美拉德反应产物抗氧化活性及其国内外的研究进展，并对其抗氧化机理进行探讨。
In this article the antioxidative and the development of antioxidative of MRPs are summarized, and the antioxidative mechanisms are discussed.
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