divalent metal meaning in English

二价金属
二阶金属

Based on the effect of divalent metal ions and chelator edta on the activity , the enzyme is metal - dependent only
该酶是金属依赖型d -海因酶。重组质粒ghd - yz26在e
In addition , divalent metal adduction provided improved positive mode ionization efficiency for these peptides
此外，二价金属加合提高了这些肽段的正离子模式离子化效率。
The rate of the coordination reaction between divalent metal ions and murexide in a water - in - oil microemulsion was determined by spectrophotometric technique to study the transport of the metal ions entrapped in the organogel formed by cationic surfactant cetyltrimethylammonium bromide
以微乳液中二价金属离子与紫脲酸胺之间的配位反应为指示反应，采用分光光度技术，研究了金属离子在由阳离子表面活性剂十六烷基三甲基溴化胺构建的微乳凝胶中的传质问题。