查询词典 oxidation

After the research of anodic oxidation slag, we got the composition of the suspension electrolyte of zinc sulphate solution. 2 The results of electrode kinetic of anodic oxidation showed that the electron transfer during the process of electrochemical oxidation was 1, and the electrochemical mechanism was: ZnS=Zn~(2+)+S~-+e Zn~(2+)+2S~-=ZnS + S~0 3 The flow sheet which can produce zinc according to suspension electrolysis principle in industry was put forward. 4 Elemental sulfur in oxidizing slag was recovered by distillation.

本文的创新点是： 1提出了以硫酸锌溶液为基础的悬浮电解液体系；通过对阳极氧化渣进行系统的分析研究，得出了硫化锌矿物的悬浮电解的电解液组成； 2通过阳极氧化电极过程动力学分析得到，电化学氧化过程中电子转移数为1，电化学机理为： ZnS=Zn~(2+)+S~-+e Zn~(2+)+2S~-=ZnS+S~0 3提出了工业上利用悬浮电解原理生产金属锌的工艺流程； 4对氧化渣中的元素硫采用蒸馏法原理进行回收。

This thesis has chosen the H_2SO_4 anode oxidation. From degreasing, alkaline cleaning, neutralization, the effect of surface before hand treatment on the quality of surface anodizing treatment is discussed. From electrolyte concentration, electrolyte temperature, voltage, timing, additive, the effect of anodizing oxidation on the quality of surface treatment are discussed, From hole sealing liquid composition pH, value, timing, the effect of hole sealing on the quality of surface oxidation treatment are examined.

对氧化的各个工序进行了较详细的分析，通过脱脂、碱蚀、中和等表面预处理进行了详细的研究讨论，确定了三个预处理工序的最佳工艺控制参数；从阳极氧化机理着手，对阳极氧化电解液浓度，氧化电解液温度，氧化时间、电流密度，氧化电压，添加剂等对氧化质量的影响因素进行了分析；对化学氧化工艺进行了传统的铬酸盐-磷酸盐氧化法正交实验研究，讨论了各个氧化液成分对氧化膜性能的影响。

air oxidation, NO_X, ratio of oxidation and absorptivity

在低浓度下，NO的氧化速率是非常缓慢的，因此提高N

The production methods of glutaraldehyde,including those of addition reaction of acraldehyde , oxidation of 1,5-pentadiol,reduction of glutaryl chloride and oxidation of cyclopentene,are summarized.

综述了丙烯醛加成、 1，5 -戊二醇氧化、戊二酰氯还原和环戊烯氧化等戊二醛的合成路线和制备方法，考察了目前戊二醛的生产厂家及其在皮革鞣剂、油田注水杀菌剂和医药杀菌等领域的应用市

Esides, Ce ions can accelerate the oxidation-reduction cycle of catalysts in the process of propane oxidation to acrolein.

i-Mo二元复合氧化物催化剂中添加适量的Ce和V组分可进一步提高催化剂晶格氧选择氧化丙烯生成丙烯醛的反应活性。

Using peroxide oxidation catalyst of wet air oxidation ,the fixed bed on active carbon installation is put forward.

采取湿法催化过氧化物氧化法，提出独特的碳载固定床装置。

Modern industrial methods of synthesis of acetic acid ethyl ester oxidation and lower alkane oxidation France.

现代工业上合成乙酸的方法有乙醋氧化法和低级烷烃氧化法。

Take the mature evening primrose seed as raw material extraction evening primrose oil, through the optimized craft, the determination influence factor, returns to parents' home by the 510nm wave length extinction value determination oxidation inhibitor and the emulsifier sees the star anise oil the oxidation influence.

以成熟的月见草籽为原料提取月见草油，通过优化工艺、确定影响因素，以510nm波长的吸光度值测定抗氧化剂和乳化剂对月见草油的氧化的影响。

By series of in vitro tests, including DPPH radicals and hydroxyl radicals scavenging activity assays, reducing power test, anti-superoxide radicals assay, anti-human low density lipoprotein oxidation test, protections against hydroxyl radical- mediated DNA damages and peroxynitrite medialed dihydrohodamine oxidation, it was showed that TIs exhibited antioxidant and antiradical activities compared with positive controls.

藉由一系列抗氧化DHR123活性试验，如清除DPPH自由基、清除hydroxyl自由基、还原力的测定、清除超氧自由基的测定、抗低密度脂蛋白氧化、抑制peroxynitrite氧化和保护DNA氧化等研究，都显示TIs具有抗氧化活性。

Element of 2 hydrogen arbutus contains many curative effect component, have the character of vitamin P, it can be passed reduce blood-vessel osmotic will protect blood-vessel to avoid with brittleness suffer harm, of this and berry tea fight oxidation function to concern, because because the cell is damaged by oxidation,hemal injury is,cause.

二氢杨梅素含有大量的疗效成份，具有维生素P的特性，它可通过降低血管渗透性和脆性来保护血管免受伤害，这与莓茶的抗氧化功能有关，因为血管的损伤是由于细胞被氧化损害引起的。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。