divalent中文什么意思

adj.
1.【化学】(化合价)二价的。
2.【生物学】(染色体)二价的。

• divalent alcohol:    二价醇; 二元醇; 二羟醇
• divalent carbon:    二价碳
• divalent cation:    二价阳离子; 二阶阳离子

例句与用法

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1. Hardness is caused by divalent metallic cations .
   硬度是由一些两价金属阳离子引起的。
2. Ring - opening polymerization of - caprolactone catalyzed by the divalent - diketiminate ytterbium complexes
   己内酯开环聚合
3. 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
4. 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。
5. And ha molecules were synthesized in vitro utilizing excessive active udp - glca and udp - glcnac sugar nucleotide precursors in the presence of a divalent mg2 + or mn2 + ion
   经转化大肠杆菌dh5a和iptg诱导表达，提取原生质膜在体外利用活性前驱物合成了透明质酸。以s

英文释义

a

1. having a valence of two or having two valences
   同义词：bivalent

百科释义

In chemistry, a divalent (or more correctly bivalentExplanation on numerical prefixes ion or molecule has a valence] of two and thus can form two bonds with other ions or molecules.