查询词典 dioxide

In the old lead chamber processnitrogen dioxide (NO2) was used for the oxidation though in practice mixtures of nitrogen oxides were used.

早期的铅室法工艺中用二氧化氮来氧化二氧化硫，尽管在实际生产中用的是氮氧化物的混合物。

The company has invested heavily in recent years, the introduction of the Danish prime TOP acid technology, will lead sintering flue gas sulfur dioxide generated in the process made of sulfuric acid, utilization rate of 98%, and produced good economic benefits and social benefits.

公司投资近年来大量，丹麦首相热门酸技术的引进，将导致烧结烟气中二氧化硫硫酸所作的过程中产生的，使用率为98％，并产生良好的经济效益和社会效益。

The various methods for the preparation of lead dioxide that have been proposed from time to time may be subdivided into chemical and electrolytic preparations.

各种层出不穷的二氧化铅的制备方法可分成化学制备和电解制备法两类。

The various methods for the preparation of lead dioxide that have been propose d from time to time may be subdivided into chemical and electrolytic preparations.

各种层出不穷的二氧化铅的制备方法可分成化学制备和电解制备法两类。

An electrochemical detection system with a nanometer lead dioxide modified electrode for flow analysis to determine chemical oxygen demand is described.

采用以纳米PbO2修饰电极为工作电极的安培检测器，用流动注射法快速检测水体中的化学需氧量。

The electrocatalytic activity of lead dioxide anode was studied by voltammograms and polarization curves.

利用伏安扫描、极化曲线和恒电位电解等方法，研究了PbO2电极对羟基新戊醛电氧化的催化活性。

The electrolytic oxidation of Cr 3+ to Cr 2O 2- 7 with lead dioxide anode is studied.

应用整体电解法，以二氧化铅为阳极，铜为阴极，对重铬酸钾间接电化学氧化蒽制蒽醌中影响Cr3 +电化学氧化过程电流效率的因素进行了探讨。

The use of lead dioxide in electrolytic systems, particularly for thermodynamic measurements, has indicated that irreproducible results are often obtained, and this imposes stringent purity requirements on the materials involved.

二氧化铅在电解体系，特别是需要进行热动力学测量的体系中的应用已经表明，所得的结果是有重现性的，这就对所涉及的材料的纯度提出了严格的要求。

Some recent accelerographs employ a lead dioxide rechargeable battery.

有些新型的自记加速仪使用了一种可以重复充电的二氧化铝电池。

The effect of Ce on the morphology and structure of deposited film of lead dioxide was studied by cyclic voltammetry, X-ray diffractometry and scanning tunneling microscopy.

本文研究了Ce离子对PbO2修饰膜晶型和结构的影响，利用循环伏安、X-射线衍射和扫描隧道显微镜等手段考察了修饰电极的形成过程、表面形貌和组成。

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。