查询词典 dioxide

The existence of the two polymorphs, a -and b -lead dioxide, has been studied in great detail.

详细的研究表明，存在着两种多晶体：α-PbO2和β-PbO2。

The characterization of lead dioxide, the separation and characterization of hydroxypivalic acid were studied.

结果表明PbO2电极在较高浓度硫酸溶液（pH在1附近）中有高的化学稳定性，对羟基新戊醛的氧化有更好的电催化活性。

There has been a rebirth of two old systems, lead acid and alkaline zinc-manganese dioxide, to make them more competitive.

两种老的电池体系还获得了新生，铅酸电池和碱性锌二氧化锰电池也参与了竞争。

Of various inert materials available as anode s for the electrodeposition of lead dioxide, Pt and Au are the most suitable.

在可得到的可用作二氧化铅电沉积的阳极的各种惰性材料中，铂与金是最合适的。

Of various inert materials available as anodes for the electrodeposition of lead dioxide, Pt and Au are the most suitable.

在可得到的可用作二氧化铅电沉积的阳极的各种惰性材料中，铂与金是最合适的。

The antimony in the lead alloy inhibits significantly the nucleation and growth of lead dioxide crystals.

合金中的锑能使二氧化铅晶核形成和生长速率显著降低。

Analysis of the product gave 96.4% of the theoretical active oxygen for lead dioxide, with no significant difference between materials prepared at the different current densities.

对产物的分析表明，产物的活性氧含量为二氧化铅理论值的96.4%，且在不同电流密度下制备的材料之间没有显著差异。

A electrodepositing additive was chosen for improving mechanical property of lead dioxide electrodeposited at high current density.

并根据上述研究的结论设计了为改善高电流密度下电沉积所得二氧化铅机械性能的有机添加剂—CTAB。

A conventional lead-acid battery is made up of a series of cells, each of which contains a positive electrode made of lead dioxide and a negative electrode of metallic lead.

传统的铅酸电池是由一系列的小电池组成，每个小电池都有一个由二氧化铅构成的正极和一个由金属铅构成的负极。

The United States still has a vast lead in carbon dioxide emissions per person. The average American is responsible for 19.4 tons.

到目前为止，美国还仍然是世界上最大的人均二氧化碳排放国，在美国，人均二氧化碳排放量是19.4吨。

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。