氧化过程

The paper first constructs the relating technology framework between coal low temperature self-heating thermal properties parameters and spontaneous combustion, by means of testing on coal samples of diffusibility relative to oxygen, gas-producing simulation in self-ignition process, adiabatic oxidation process, coal spontaneous combustion processing simulation, coal basic physical and chemical parameters, thermal analysis by differential scanning calorimeter , differential thermal analyzer , Thermogravimeter .

通过对试验煤样进行煤对氧的扩散特性试验、煤自然发火过程中气体产物模拟实验、DSC差示扫描量热热分析测试、DTA与TG热分析测试、煤自然发火绝热氧化过程试验、煤自然发火过程模拟试验、煤基础物理化学参数测试的试验研究，就煤对氧的扩散与吸附特性、煤自燃氧化过程中的热力特性与气体产物特性及其与煤自然发火过程之间的相关特性进行了较系统的研究，初步建立了煤低温氧化自热热物理特性参数与煤自然发火之间相关联的技术内涵。

The iron pyrites formation and the curing product's oxidation caused the oil quality combustion principle to the storage tank to carry on the theoretical analysis, the temperature tendency change rule and the influence iron pyrites oxidation tendentious factor carried on the system and the thorough experimental study to the iron pyrites oxidation process, in the union petroleum processing and the storage and transport process actual situation carries on the analysis and the discussion to the oxidation rate influencing factor, under the plan dissimilar condition the curing product oxidation heating curve.

对储罐中硫铁化物的形成和硫化产物的氧化引起油品燃烧的原理进行了理论分析，对硫铁化物氧化过程中温度的动态变化规律和影响硫铁化物氧化倾向性的因素进行系统而又深入的实验研究，结合石油加工和储运过程中的实际情况对氧化速度影响因素进行分析和讨论，绘制不同条件下硫化产物氧化升温曲线。

After pre-oxidation process, the kinetics of isothermal oxidation of SiC obey a linear rule in the whole experimental temperature range.

经过高温预氧化处理之后，SiC试样在等温氧化过程中，氧化动力学曲线为直线，较未预处理试样氧化增重显著减少；连续升温氧化过程中，和未预处理试样相比，剧烈氧化开始温度升高，同时其氧化速率及最终的氧化增重均大幅度降低。

Nd AC/O〓 process generated nonanal, alcohols and dimethyl phthalate. In TiO〓/UV/O〓 process, all raw organic compounds decreased or disappeared, and azulene, triacontane and 1, 3-cyclohexanediamine were generated.

C/O〓氧化出水中分子量为1000-3000的有机物所占比例均小于O〓和TiO〓/UV/O〓氧化出水；其它分子量范围的有机物去除，TiO〓/UV/O〓氧化过程要显著高于AC/O〓氧化过程。

In this thesis, by the means of calefactive oxidation test of coal samples, the characteristics of different samples spontaneous combustion are analyzed; the infrared spectrum is assimilated to review the rule that coal function corps change in the process of coal low-temperature oxidation ; by the means of thermal analysis by differential scanning calorimeter, thermogravimeter, the kinetic function of coal low-temperature oxidation in spontaneous combustion process are analyzed , depend on the device, the mathematical model of coal spontaneous combustion is developed, the model are dealt with, Finally, the temperature field and the velocity field with velocity of the entry flow is got.

论文通过煤的低温氧化和自燃过程，实验研究了煤的低温氧化气体产物特征和变化规律，研究得出了煤的低温氧化过程中气体生成量与氧气消耗量与煤温之间的指数关系式；在煤的低温自热氧化过程中，对煤的官能团等化学结构的变化研究，揭示了煤炭低温自热氧化化学基团变化规律；采用非等温TG和DSC法研究了烟煤低温氧化动力学，得出了煤低温氧化分布活化能及煤低温氧化机理函数的变化规律；建立了煤低温氧化自热数学模型，并对该模型进行数值解算，可得煤样的温度场与速度场随入口风量变化情况。

The analysis of thermal behavior and chemical structure show that the three main reactions do not initiate simultaneously. Dehydrogenization and cyclization reactions begin at the initial stage of stabilization, while oxidation reaction takes place on the precondition of cyclization reaction. Cyclization reaction has induction period that is influenced by temperature and heating rate.

热分析和化学结构分析的结果表明，预氧化过程中的三大主要反应并非同时进行，脱氢反应和环化反应从预氧化初期开始，而氧化反应需要以环化反应为前提条件，随后进行；环化反应具有一定的诱导期；在氧化性气氛中，首先发生脱氢反应，氧对环化反应起到了阻碍作用，使整个过程顺利可控。

The behaviour of oxygen in the reoxidation process was investigated by an oxygen coulometry.

结果表明；氧流量计在升温阶段检测到三个不同行为的吸氧峰，峰Ⅰ（起始温度-250℃）为氧空位的填充过程；峰Ⅱ（起始温度-800℃）和峰Ⅲ（起始温度-1250℃）为还原相的氧化过程，具体来说，峰Ⅱ是通过晶界扩散提供氧使靠近晶界附近的区域被氧化；而峰Ⅲ是由晶格扩散过程控制，氧化过程从晶界逐渐向晶粒内部区域扩展，并伴随着富Ti的Ba6Ti17O40相的沉淀。

Experimental results revealed that triethanolamine has remarkable effect on arc restraining,which ...

实验结果表明：三乙醇胺可以有效抑制火花放电，增加膜层的厚度，使表面孔隙变小，提高表面光洁度；当三乙醇胺浓度为30g.dm-3时，膜层耐蚀性能最好；在阳极氧化过程中，三乙醇胺化学吸附于镁合金表面，从而改变微弧氧化过程中氧气气泡在镁合金表面的吸附强度和氧气气泡的大小，降低了微弧氧化陶瓷层孔隙率，提高了阳极氧化膜的致密性和耐蚀性。

During the study of magnetite oxidation, a function for calculating the"equivalent osmosing thickness"of oxygen through the reacted product layer covered the unreacted part is put forward based on the oxidation process properties. It is this function that make the oxidation process model successful.

在球团矿内磁铁矿的氧化过程的研究中，作者针对磁铁矿粉氧化的特点，提出了磁铁矿颗粒表面生成的三氧化二铁产物层的当量扩散厚度的计算函数，将其引入全温度范围球团矿内磁铁矿的氧化过程模型，并获得成功。

The technological condition of preparation of mesh TiO〓/Ti catalyst was optimized by means of XRD and SEM with the analysis of effects of dyes photoelectrocatalytic degradation. The diameter of TiO〓/Ti catalyst particle was nanometer level The effects of bias voltage and light intensity on the process of photoelectrocatalytic oxidation, the adsorption property of electrode surface, the extent of mineralization of rhodamine B and rose bengal were investigated using mesh TiO〓/Ti as catalyst of photoelectrocatalytic oxidation system.

利用拉曼光谱和XRD等测定手段并结合染料的光电催化降解效果的分析，优化了丝网TiO〓／Ti催化剂制备的工艺条件，研制出高效丝网纳米级TiO〓／Ti催化剂，并将该催化剂用于光电催化氧化体系，研究了氧化体系中外加偏压、光强等因素对光电催化氧化过程的影响以及催化剂的表面吸附性能、染料若丹明B和虎红在光电催化氧化过程中的矿化程度。

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。