更多口语 论坛口语学习
 
您当前位置:首页 > P开头的英语单词 > palladium是什么意思

palladium是什么意思

  作者:恒星英语学习网     所属分类:P开头的英语单词     

palladium 是什么意思

中文翻译与英英解释

n.
1.希腊智慧女神帕拉斯 (Pallas) 的神像。
2.〔p-〕(pl. -dia ) 守护神;保障,保护。
n.
【化学】钯。
a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
同义词:Pd, atomic number 46,

Palladium is a chemical element with the chemical symbol Pd and an atomic number of 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston.

例句与用法

1.The permeation constant of gases through metals is negligible except for hydrogen through palladium or iron .
除了氢气能穿过钯和铁之外,气体穿过金属的透气常数是可以略而不计的。

2.Technical requirements of superfine palladium oxide powder
超细氧化钯粉技术条件

3.Specification for pure palladium electrical contact material
纯钯电触点材料规范

4.Present study of palladium and its alloy electroplating
钯及其合金电镀的研究现状

5.Palladium , silver alloys - determination of palladium content
钯银合金中钯量的测定

6.Specification for palladium - copper electrical contact material
钯铜电触点材料规范

7.Platinum , palladium alloys - determination of iridium content
铂钯合金中铱量的测定

8.Methods for determination of palladium in titanium alloys
钛合金中钯含量的测定方法

9.Gold , palladium alloys - determination of silver content
金钯合金中银量的测定

10.Standard specification for palladium electrical contact alloy
电触点用钯合金标准规范

 
恒星英语 | 恒星英语论坛 | 英语口语 | 加入收藏 | 英语群组 | 英语家园 | 网站应用 | 答疑解惑 | 恒星英语学习网 © 2011 Hxen.com 粤ICP备07024815号