1)  Mn 2+
二价锰离子
1.
It was determinated that there are the products of Mn(Ⅱ) in the reaction of PbO 2 with Mn 2++ in H 2SO 4by U 340 spectrophotometer The forming condition of two Mn(Ⅲ) of all the products of Mn 2++ was analysed as well as the factors influcing the products of Mn 2+
通过Ｕ－３４０紫外可见分光光度仪测定了在硫酸介质中二氧化铅（ＰｂＯ２）氧化二价锰离子（Ｍｎ２＋）的主要产物价态有３种：Ｍｎ（Ⅲ）、Ｍｎ（Ⅳ）和Ｍｎ（Ⅶ）。
2)  divalent
二价
3)  bivalent radical,diad,divalent radical
"二价基,二价元素"
4)  Ferrous iron
二价铁
1.
The possibilities of redox reactions between chromate (Cr(Ⅵ)) and ferrous iron (Fe(Ⅱ)) in alkaline system were investigated in the laboratory and analyzed from point view of thermodynamics with a purpose to control chromium leaching from incineration fly ashes.
为了控制焚烧飞灰中铬的浸出,将FeSO4加入焚烧飞灰水系统中和Cr(Ⅵ)的碱性水溶液中,试验二价铁(Fe(Ⅱ))对Cr(Ⅵ)的还原效果,并检验了Cr(Ⅵ)的还原产物的稳定性。
5)  palladium(Ⅱ)
二价钯
1.
In this paper,palladium(Ⅱ)-catalyzed allylic rearrangement reaction was described.
近年来二价钯催化反应已成为研究热点,其催化的烯丙位重排反应则研究较少。
2.
In this paper,Palladium(Ⅱ)－catalyzed allylic rearrangement reaction is described.
近来,二价钯催化反应以其高选择性、环境友好以及原子经济性等诸多优点成为研究热点。
6)  Cu(II)
二价铜盐
参考词条
补充资料：碱性1,2-苯二甲酸二价铅盐
CAS：90193-83-2
中文名称：碱性1,2-苯二甲酸二价铅盐
英文名称：1,2-Benzenedicarboxylic acid, lead salt, basic
1,2-Benzenedicarboxylic acid,leadsalt,basic
说明：补充资料仅用于学习参考，请勿用于其它任何用途。