氧化物

Objective: To detecti the value of SOD and MDA in adriamycin nephrosis rat.

目的：探讨阿霉素肾病大鼠肾组织匀浆超氧化物岐化酶和丙二醛水平及其临床意义。

The silver accessories nigrescence changes yellow is the normal natural phenomenon, because in the air and other natural medium's sulfur and the oxide compound and so on have certain corrosive action to the silver, after wearing period of time, will present some small spots, the long time will proliferate Large expanse, will turn the black.

银饰品变黑变黄是正常的自然现象，因空气和其它自然介质中的硫和氧化物等对银都有一定的腐蚀作用，在佩戴一段时间后，就会出现一些微小的斑点，久之会扩散成片，甚至变成黑色。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagents: phosphorus treatment reagent, paints fog coagulating agent , electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ;refinishing paint total solutions; rare earth oxide compound ;offer burning inhabitor and deadening agent for rubber,special paints and Nylon industry.

专业为金属加工行业提供磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品；为汽车行业提供专业的汽车修补漆整套解决方案，喷漆房水处理解决方案；为玻璃陶瓷行业提供高性价比的稀土金属氧化物产品；为橡胶尼龙，涂料以及化妆品行业提供高效阻燃剂及消光剂。

The character of the niobium oxides and their catalytic application were reviewed.

综述了含铌氧化物的特徵及其在不同催化过程中的应用。

The property and catalytic application of niobium oxide in the multiphase field were briefly introduced.

简要介绍了铌氧化物的性质及其在多相催化领域内的应用。

Niobium oxides are favorable promoter and Support.

铌氧化物是优良的促进剂和良好的载体。

High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.

人们早已知道，二氧化硫、氮、氧化物和尘埃浓度高是有害的。

In addition, oxide of sulfur and oxide of nitrogen are produced in the chemical recovery furnace.

另外，在化学回收炉中还产生硫的氧化物和氮氧化物。

Nitrous oxide:Inorganic compound, one of the oxide s of nitrogen.

氧化亚氮：化学式N2O。无机化合物，为氮的一种氧化物。

The motor consists of a cluster of four YF-2 engines which use storable liquids, Unsymmetrical Dimethyl Hydrazine fuel and AK-27 oxidiser (nitric acid with 27% nitrogen tetroxide), and provide a total thrust of 96 tonnes.

发动机由四台集群YF-2发动机组成，使用耐储存液体不对称二甲肼燃料和AK-27液氧（硝酸和27%氮四氧化物），而且提供96吨的一个总推力。

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。