氧化过程

Water quality indexes in the course of ammoniation reaction was analysed to provide theoretical guiding for the biological denitrification of meat processing wastewater .

采用ABR工艺对肉类加工废水进行前期氨化处理，通过试验得到最佳水力停留时间为6～8h，氨氮递增率在90%～196%之间；同时发现了厌氧氨氧化这一新现象；最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析，以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

In order to develop the new desalination method which has the virtues of simple equipments and technology, non-pollution and low cost, a foam fractionation technology of removing CuSO4 from the simulated aqueous solution was studied by using dodecylbenzenesulphonic acid and (1-hexadecyl) trimethyl ammonium hydroxide as surfactant.

为了探索设备和工艺简单、低污染、生产过程费用低的脱盐新方法，以十二烷基苯磺酸和十六烷基三甲基氢氧化按为表面活性物质，采用泡沫分离技术对脱除水溶液中微量的硫酸铜进行了研究。

Thermal and thermo-oxidative degradation of chitin with ammonium nitrate,ammonium sulfate and concentrated sulfuric acid were studied.

讨论了硝酸铵、硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响。

Slag test indicates that andalusite has no obvious effect on penetration. Slag penetrates along boundaries of bauxite or mullite. Al2O3 from bauxite dissolves into slag to form CA6, anorthite, gehlenite and other low melting phases which precipitate during cooling.

渣蚀试验表明，红柱石时侵蚀无明显影响，熟料液相沿莫来石和矾土骨料晶界向内渗透，氧化铝逐渐浓解与液相、渣中的氧化钙形成CA5和钙长石、黄长石等低熔相，在冷却过程中，钙长石和黄长石从液相中析出。

Accordingly to solve afore-mentioned problems, bo Wei of this Wen Yiluo tries material, studied different hormone deserves to compare, the genotype that supply system, illumination and temperature and sucrose chroma are right antheral hurt the influence with revulsive organization more, studied quite at the same time antheral hurt constituent brown to change more in the process a few kinds fight oxidation enzymatic active to change.

因此为了解决上述新问题，该文以萝卜为试材，探究了不同激素配比、供体基因型、光照和温度以及蔗糖浓度对花药愈伤组织诱导的影响，同时比较探究了花药愈伤组织褐变过程中几种抗氧化酶活性变化。

In this thesis, an integrated process of epoxidation of propylene catalyzed by TS-1 and production of hydrogen peroxide by anthraquinone route was studied.

本文对TS-1催化丙烯环氧化与蒽醌法生产H〓O〓的过程集成进行了研究。

The first is a dissolution of argentite acted by Fe3+ ion in acid solution.

推导出其氧化溶解过程，主要分两步，第一步是硫化银在酸性铁离子的作用下溶解。

GP ARRIS STEEL GRIT Angular when new.this grit rapidly rounds off in use and is particularly suited to descaling applications.

此种磨料新制成时，是尖棱状的，使用过程中棱角很快就被磨圆，特别适合于去除氧化皮作业。

The investigation results indicate that:(1) During the process of waste acid, based on the proposed result of air oxidation flocculent precipitation, arsenic in waste acid can be transformed to high-class white arsenic or arsenic acid copper product.

在前人研究结果的基础上，根据含砷污酸与含砷废渣中主要元素存在形态和性质提出了用空气氧化絮凝沉淀法从污酸制备砷酸铜和白砷新处理工艺；提出了铟生产过程中选择性硫化沉淀除砷，提出了含砷废渣对土壤影响的治理方案。

Objective To evaluate effects of sodium arsenite on expression of nuclear transcription factor-κB,reactive oxygen speciesand catalasein HaCaT cells.

氧化应激在砷的致病过程中发挥了一定的作用，砷暴露可引起活性氧自由基生成增多〔1〕。

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。