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- 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。
- A considerable amount of effort has been made into forcing lead dioxide to conform to exact stoichiometry. 相当多的努力一直被花费在强制性地把二氧化铅转变为化学计量意义上准确的Pb2O上。
- A kind of lead-dioxide electrode was prepared by plating lead dioxide on the surface of kryptol. 其中二氧化铅电极是通过在碳棒上电镀而成的。
- 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。
- A process of electrolytic synthesis of sodium perchlorate from sodium chlorate solution by lead dioxide anode based titanium metal is introduced. 介绍了以钛基体二氧化铅作为阳极，电解氯酸钠合成高氯酸钠的过程。
- Methods for preparing lead dioxide in a suitably stable form were studied since commercial samples gave erratic emf results no matter how they were treated before use. 既然那些被买来的PbO2样品,不论在使用前被多么好地处理过,它们给出的电动势仍然不稳定, 因此制备具有适当稳定形式的PbO2的方法就被研究。
- 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%25;且在不同电流密度下制备的材料之间没有显著差异。
- 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。
- Abstract: A great interest was attracted in the improvement of lead dioxide as anode material owing to its high electriconductivity, high oxygen overpotential and chemiinertness. 摘 要: 二氧化铅作为阳极由于具有高的催化活性、高的析氧过电位和化学惰性而受到关注。
- The methods used include chemical oxidation, direct oxidation at high temperatures using high oxygen pressures, and the crystal growth of stoichiometric lead dioxide in the solution phase. 所使用的方法包括化学氧化法,在高温下用高压氧直接氧化以及化学计量准确的二氧化铅在溶液相中的晶体生长。
- The products, prepared at speeds higher than 100 ppm, all had essentially the same active oxygen content. Current density has no significant effect on the active oxygen content of the lead dioxide deposit. 在高于100ppm的速度下所得到的产物基本都具有相同的活性氧含量。电流密度对于所沉积的二氧化铅的活性氧含量没有显著影响。
- 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。
- Lead dioxide has been prepared chemically by methods in which Pb(II) compounds are oxidized to lead dioxide in the solution phase or in melts or by heating at elevated temperatures in oxygen. 使用化学方法制备pbO2可通过在溶液相或熔融状态下氧化二价铅的化合物,也可以通过在氧气中高温加热二价铅的化合物来制备。
- Lead dioxide may also be prepared by the hydrolysis of lead[IV] salts; for example, lead tetrachloride may be hydrolyzed in cold hydrochloric acid solution, or a saturated solution of lead tetraacetate may be hydrolyzed in glacial acetic acid. pbO2还可以通过水解四价铅盐的方法来制备,例如,pbCl4可以在冷的盐酸溶液中水解；而pb(OAc)4的饱和溶液可以在冰醋酸中水解。
- In order to acquire other lacquer-metal material, this paper carries out metallization treating on lacquer surface with electroless plating method, and bright coatings of nickel, copper, silver or lead dioxide has been prepared. 本文就利用化学镀技术对生漆材料表面进行化学沉积一层光亮的金属铜、镍、银等而获得生漆金属复合材料。
- The lead acid battery prepared in normal process has not active storage performance. The main reason is that the preparing process of the electrodes of lead dioxide cannot meet the repuirements. 目前常规工艺制备的铅酸电池没有湿搁置性能,主要是因为二氧化铅电极的制备工艺不能满足要求。
- It was studied that the graphite-based lead dioxide anode which had been electrochemically activated was used to electrogenerate trivalent cobalt ion by means of coulometry at ambient temperature. 以库仑分析法为研究手段,考察了在室温下经电化学活化的石墨基二氧化铅阳极电生三价钴的条件及其应用。
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- Lead Dioxide Anode with Platinum Intermediate Layer 含铂中间层二氧化铅阳极的制备及其性能
