1)  lead board
铅板
1.
The effects of carbon board and lead board as the anode materials on the corrosion resistance of the Ce-hased conversion coaling were investigated using scanning electron microscopy, energy dispersive spectroscopy, polarization curve measurement, and neutral sail-spray lest.
阳极材料对稀土铈盐转化膜性能有较大的影响,采用电解沉积法在防锈铝LF21合金表面形成了一层稀土铈盐转化膜,比较了采用炭板和铅板作阳极材料,对转化膜性能的影响。
2)  lead plate test
铅板试验
3)  8# electric detonator
铅板穿孔
1.
This article discusses the influence on the ability of lead plate perforation caused by the 8# electric detonator s gunpowder loading structure, gunpowder pressing, and the contact patten between gunpowder.
从8#电雷管的装药结构、压药密度、药与药的接触形式等方面,对铅板穿孔能力的影响进行了探讨。
4)  rolled lead,rolled palte,sheet lead
薄铅板
5)  battery grid; lead grid
电池铅板
6)  stereotyper
铅板工人
参考词条
补充资料:铅-铅测年
分子式:
CAS号:

性质:238U和235U两个母体铀同位素的特性实质相同,所产生的放射性成因206,207Pb的方程可合并为(207Pb/206Pb)=[(235U/238U)](t-1)。235U/238U现在的比值是1/137.8,利用非放射性成因‘稳定’204Pb作为参考同位素,作(207Pb/204Pb)与(206Pb/204Pb)的Pb-Pb等时线,应用方程计算年龄,式中(207Pb/204Pb)和(206Pb/204Pb)0是初始比值。

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