单词
polyvalent
英 [,p?l?'ve?l(?)nt]
美
基本信息
- adj. [化学] 多价的
- n. [遗] 多价染色体
词态变化
名词:?polyvalence;
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
polyvalent相关单词