氧化剂

Hydrogen or ozone is one of the most strongest oxidants,because they can generate much of hydroxyl radical?

过氧化氢、臭氧都是比较强的氧化剂，他们都能产生大量的羟基自由基？

In chapter 3, Fe-EDTA chelate-induced aromatic hydroxylation of terephthalate as a new method for the evaluation of hydroxyl radical-scavenging ability was studied.

第三章利用Fe-EDTA引发对苯二甲酸芳环羟基化反应建立了一种评价抗氧化剂清除·OH能力的新型荧光分析法。

Beans are high in antioxidants, a class of phytochemicals that incapacitate cell-damaging free radicals in the body, says Brick.

豆类是高抗氧化剂，该机构的一类植物化学物质的有害自由基的废细胞，说砖。

However, we have broken through the preserve in the world during many years, scientific researches and practices , and at the same time we have achieved the method in scientifically adding the modifier, which makes the whole fuel gas complete the inhibition , activation, carbureting, catalyzing,corrosion preventing, inhalator and antifreeze in the process of modifying .

一般规律燃油和氧化剂是不能混装，但是数年科技研究实践中我们打破了这个世界性的禁区，同时摸索到科学添加改进性的方法，使整个燃气在改性过程中，阻聚，活化，增碳，催化，防腐蚀，气雾，抗冻二次完成。

A theoretical model based on isothermal mixture was established in which the intermittency was explained by interaction between the scalar concentration field and the vortex momentum field.

利用这一模型对射流边界的卷吸，燃料与氧化剂的混合以及这种作用对扩散火焰点火条件的影响进行了理论解释，从而为火焰熄火的预测提供了一种新的理论模型。

It achieves this thanks to a 4.2-litre internal-combustion engine whose sole function is to keep the oxidant flowing in.

它成功完成了感谢的4.2升内燃机，其唯一的功能是保持氧化剂不断涌入

A selective and mild PS-DIB/ionic-liquid immobilized 2, 2, 6, 6-tetramethyl-piperidin-4-ol-N-oxyl catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via the iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TeMPO catalyst, 4-(2, 2, 6, 6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from TeMPO and 1, 4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯作为氧化剂。2， 2， 6， 6-四甲基－N-氧自由基哌啶醇与1， 4-二溴丁烷反应生成4-溴丁氧基－2， 2， 6， 6-四甲基－哌啶－1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2， 2， 6， 6-四甲基－N-氧自由基哌啶负载离子液体。

A selective and mild PS-DIB/ionic-liquid immobilized TEMPO catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via Iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TEMPO catalyst, 4-(2,2,6,6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from 2,2,6,6-tetramethyl-piperidin-4-ol-N-oxyl and 1,4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯(diacetoxyiodo polystyrene，PS-DIB)作为氧化剂。2，2，6，6-四甲基-N-氧自由基哌啶醇(2，2，6，6-tetramethyl-piperidin-4-ol-N-oxyl，TEMPO)与1，4-二溴丁烷反应生成4-溴丁氧基-2，2，6，6-四甲基-哌啶-1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2，2，6，6-四甲基-N-氧自由基哌啶负载离子液体TEMPO-IL。

The oxidation of β-ionone with molecular oxygen over Au/ZSM-5 was studied.

详细探讨了不同载体、氧化剂、溶剂、反应温度和反应时间对β-紫罗兰酮氧化反应的影响。

9 Mol/L～2.9×10~(-7) mol/L ...In this paper, a new kind of adsorptive catalytic voltammetry at carbon paste electrode in the presence of dissolved oxygen was developed. The voltammetric behavior of organic drugs (Nifedipine, Indirubin, Rhein, Hesperidin,Isatin) was studied by the proposed method.

本文首次以碳糊电极为工作电极，以K_2S_2O_8为氧化剂，建立了吸附催化伏安法，测定了有机药物(靛玉红、大黄酸、橙皮苷、靛红)在CPE上的伏安行为，并分别测定了其含量，为有机药物的电化学分析提供了新的途径。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。