1) Pb Segregation
铅偏析
1.
On the Methods of Preventing the ZCuPb30 Bimetallic Bearings from Pb Segregation;
再论ZCuPb30双金属轴承的铅偏析防止方法
2.
The results show that Pb segregation may be well prevented by the method of adding 2.
25%Ag加入ZCuPb30熔体,同时结合快速水冷工艺可使铅偏析得到很好的控制。
2) plumbous metaplumbate
偏铅酸铅
3) lead metaplumbate
偏高铅酸铅
4) lead metaniobate
偏铌酸铅
1.
The system of lead metaniobate pizoelectric ceramics for high properties materials for B-ultrasonic fan scanning transducer has been studied.
研究了作为高性能B超扇扫换能器材料的偏铌酸铅压电陶瓷系统 ,实验结果表明 ,用CoO、Co2 O3及BaCO3对纯偏铌酸铅 (PbNb2 O6)进行改性 ,得到了宏观机电性能及微观结构均较好的材料。
2.
Two different kinds of sintering technology(furnace cooling and quenching) were applied to prepare lead metaniobate.
以分析纯PbO和Nb2O5为原料,采用两种不同的烧成工艺(自然冷却和快速冷却)制备了偏铌酸铅,并对其物相、孔隙率和介电性能进行了研究。
3.
In this dissertation, lead metaniobate (PbNb_2O_6 (PN)) based piezoelectric ceramic with high Curie temperature were synthesized by conventional ceramics preparation technique.
本文采用传统电子陶瓷方法制备了偏铌酸铅(PbNb_2O_6,简称PN)基高居里温度压电陶瓷,系统研究了材料的制备工艺与结构、压电性能的关系,分析了PN基陶瓷的组成、结构与压电性能之间的联系,并结合实验结果探讨了PN基陶瓷的铁电性对压电性能的影响。
5) metaplumbic acid
偏高铅酸
6) lead metaborate
偏硼酸铅
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