弘扬国学 · 传承文化

polyvalent

英 [,pɒlɪ'veɪl(ə)nt] 美

解释

adj. [化学] 多价的
n. [遗] 多价染色体

※ 提供单词"polyvalent"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

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.

展开全部 ▼

例句和用法

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.

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.

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.

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.