polyvalent

英 [,pɒlɪ'veɪl(ə)nt] 美
  • adj. [化学] 多价的
  • n. [遗] 多价染色体

中文词源


polyvalent 多价的,多功能的

poly-,多,复,聚,-val,价,词源同value.

英文词源


polyvalent (adj.)
1881, from poly- + -valent, from Latin valentem, present participle of valere "be worth" (see valiant). Coined by German chemist Emil Erlenmeyer (1825-1909), who also designed the flask that bears his name.

双语例句


1. Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
砷的主要处理方法有硫化物沉淀法, 或与多价重金属络合.

来自辞典例句

2. The test proved that the polyvalent inactivity vaccine is safe and effective.
试验证明,该多价灭活疫苗安全性好,免疫效果确实.

来自互联网

3. Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感.

来自互联网

4. It was theoretically predicted that polyvalent anions of C 36 CH 2 had high stability and aromaticity.
从理论上预计C36CH2的高价阴离子具有很高的芳香性和稳定性.

来自互联网

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