氧化过程

OBJECTIVE:To explore the changes of VEGF and nitrogen monoxide in retina tissues of diabetic rats and their effects on the origin and development of diabetic retinopathy.

目的 ：探讨糖尿病大鼠视网膜 VEGF和一氧化氮的变化及其在糖尿病视网膜病变( diabetic retinopathy，DR)发生发展过程中的作用。

The overexpression of VEGF,the activity of NOS as well as the content change of nitrogen monoxide in retina of rats with diabetes play important role on the origin and development of DR.

糖尿病大鼠视网膜 VEGF的过度表达和 NOS活性、一氧化氮含量的变化在 DR的发生发展过程中起重要作用。

NOS plays an important role in the development of SWOP,which may be related to the expression of HSP72.?

一氧化氮合酶在缺血预适应诱导第二心肌保护窗口过程中发挥重要

Having reviewed a large number of relevant literature in detail, combined with some research achievements at sandstone type uranium deposits in China and abroad, The authors try to make an overview of the role of sulphides, particularly the pyrite, in the reduction, precipitation and concentration of uranium at the redox front of sandstone type uranium deposits.

作者通过大量的相关文献的调研，结合国内外在砂岩型铀矿研究方面取得的成果，对硫化物，特别是黄铁矿在砂岩型铀矿氧化－还原前锋线附近铀还原、沉淀和富集过程中所起的作用提出了自己的认识。

The petrography and mineral chemistry characteristics of the two spinel-rich spherules show features of crystallization from liquids and their alteration taken place under non-oxidized surrounding.

岩石学和矿物化学特征表明，GRV 020025-3RI8和GRV 021579-3RI5都经历过熔融结晶过程，它们的蚀变均发生在非氧化的含水或无水的环境中。

The proposed approach was applied to control rotary kiln iron ore oxidized pellets sintering process and good results were obtained.

该方法应用于铁矿氧化球团回转窑生产过程控制取得了良好效果，增强了系统容错及抗干扰的能力。

With increasing temperatrue, the ratio of oxygen to chlorine increases. Then the trend of oxidation reactions is to be strengthened and the trend of chlorination reactions is declined.

随环境温度的升高，腐蚀过程中氧化反应的倾向得到加强，氯化反应的趋势随之减弱。

Electron transfer reaction between the radical cations of purine nucleotides and some aromatic amino acids was studied by use of pulse radiolytic techniques. Time-resolved spectroscopic evidence revealed that the one-electron-oxidized radicals of dAMP and dGMP can be efficiently repaired by tyrosine and tryptophan.

鉴于在DNA光敏损伤过程中主要生成嘌呤碱基阳离子自由基，利用脉冲辐解技术研究了嘌呤碱基阳离子自由基与部分芳香氨基酸的相互作用，获得了酪氨酸和色氨酸对单电子氧化的dAMP和dGMP经快速电子转移修复的瞬态吸收光谱证据。

The results prove that in pulse radiolysis experiments a Cu intermediate may also be involved and will give a clue to the mechanism of toxicity of 〓.

该结果为配合物在歧化〓的过程中被氧化成Cu提供了证明，并且为〓在生物体内的毒害来自于其氧化性提供了新的佐证。

In this chapter, the structural role of STS during its redox cycling was studied with pulse radiolysis combined with ESR and spectrophotometric technique.

本章以脉冲辐解结合分光光度法和ESR技术研究了丹参酮ⅡA磺酸钠在氧化还原过程中结构变化的规律。

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。