氧化过程

So, the smaller precursor and product were obtained. When decomposed into ceria particles, the precursor burst apart from～510nm to～300nm because of the gas come into being and expand.

在煅烧分解过程中，前驱物分解为二氧化铈粉末，由于气体的产生、膨胀使前驱物崩裂，发生崩裂及抽空行为，颗粒度由前驱物的～510nm变为产物的～300nm。

Using mathematical methods studied wet oxidation catalyst butyric acid degradation reaction is in the process of TOC changes.

采用数学方法研究了催化湿法氧化降解正丁酸反应过程中的TOC变化。

With 8 kinds of polyphenols as the substrate, the change of polyphenol oxidase activity in different carambola cultivars and during their storage was determined by spectrophotometer method.

方法］以8种酚类物质作底物，采用分光光度计法测定不同杨桃品种果实及其贮藏过程中多酚氧化酶活性的变化情况。

With 8 kinds of polyphenols as the substrate, the change of polyphenol oxidase activityin different carambola cultivars and during their storage was determined by speetrophotometer method.

方法以8种酚类物质作底物，采用分光光度计法测定不同杨桃品种果实及其贮藏过程中多酚氧化酶活性的变化情况。

In production process of carbon fiber, appropriately increase preoxidation retention time will be propitious to the performance of carbon fiber.

在碳纤维生产过程中，预氧化停留时间适当增加有利于碳纤维性能的提高。

In this paper, Carrousel oxidation ditch on the structure, process and design, operation of the existing problems and corresponding solutions.

本文主要阐述了Carrousel氧化沟的结构、工艺流程与设计、运行过程中存在的问题和相应的解决方法。

After the above-mentioned optimization process, the particle size and appearance density of ceria could reach 20 pm and 1.9 g/cm3, respectively.

经过上述优化过程以后，氧化铈的粒度和表观比重分布达到20 pm和1.9 g/cm3。

The effect of crystallization process from polymers, control laws of particles from the long-chain structure of polymer, as well as the self-assembly regulatory mechanism of nano-particles from polymer are investigated , through the control of its morphology and properties of precursor order to get large aperture, high specific surface area, has good thermal stability and catalytic cerium oxide particles.

研究聚合物对结晶过程的影响、聚合物的长链结构对粒子自组装的控制规律以及聚合物对纳米粒子自组装的调控机理，通过控制其前驱体的形貌和性能，以期得到大孔径、高比表面积、具有良好的热稳定性及催化作用的氧化铈颗粒。

Finding and Making deep investigation into the oxidation of MgF〓 composition in the cermet films after annealing.

发现了Ag-MgF〓复合金属陶瓷薄膜在退火过程中MgF〓组分的氧化现象。

The results show that during bioleaching the chalcocite decom posed by two stages, the stageⅠis controlled by the concentration of ferric, with the increase of ferric concentration the oxidation rate of chalcocite is enhanced. The rate of stageⅡis slower than that of the stageⅠand it acts as the confining stage, and the concentration ratio of ferric to ferrous influences the oxidation rate at this stage.

计算与实验结果表明：模型仿真结果与实际结果较符合；堆浸过程次生硫化铜矿的氧化分为2个阶段，其中，辉铜矿反应步骤Ⅰ受溶液Fe3+浓度控制，随着Fe3+浓度增加，反应速率加快；反应步骤Ⅱ较反应步骤Ⅰ慢，为浸出反应的限制性步骤， Fe3+与Fe2+的浓度比是影响该反应步骤的关键因素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。