3) Lead oxide-gelatine mixture injection
明胶-氧化铅灌注
4) combined lead steel-tube damper
灌铅钢管束复合耗能器
1.
In this paper,a new type of combined lead steel-tube damper was put out.
本文研制了一种新型灌铅钢管束复合耗能器,并对这种耗能器以及钢管束耗能器进行了循环加载的对比试验,分析了这两种耗能器的工作性能与耗能性能,揭示了耗能机制。
5) Pb
铅
1.
The Research of Pb′s Various Forms in the Latosol by the Effect of Earthworm;
蚯蚓影响下铅在砖红壤中的形态变化研究
2.
DETERMINATION OF TRACE Cu,Pb,Zn,Cd IN WATER BY FAAS;
火焰原子吸收分光光度法直接测定水中微量铜、铅、锌、镉
3.
Effects of Different Potassium Fertilizers on the Phytoavailability of Pb in Soil and its Mechanisms;
不同钾肥对土壤铅植物有效性的影响及其机制
6) Lead
[英][li:d] [美][lid]
铅
1.
Quick Determination of Iron,Copper,Zinc and Lead in Cadmium Nitrate by Flame Atomic Absorption Spectroscopy;
硝酸镉中铁铜锌铅的FAAS快速分析测试技术
2.
Experimental study on reduction and volatilization of lead and zinc from slag;
炉渣中铅锌还原挥发的研究
3.
Modification and practice of joint production line for lead cathode;
铅阴极片生产联动线的改造实践
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。
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。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条