單詞
polyvalent
英 [,p?l?'ve?l(?)nt]
美
基本信息
- adj. [化學] 多價的
- n. [遺] 多價染色體
詞態變化
名詞:?polyvalence;
中文詞源
polyvalent 多價的，多功能的
poly-,多，復，聚，-val,價，詞源同value.
英文詞源
- 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.
雙語例句
- 1. Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
- 砷的主要處理方法有硫化物沉淀法, 或與多價重金屬絡合.
來自辭典例句
- 2. The test proved that the polyvalent inactivity vaccine is safe and effective.
- 試驗證明,該多價滅活疫苗安全性好,免疫效果確實.
來自互聯網
- 3. Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
- 可以通過主動免疫接種多價滅活疫苗或亞單位疫苗預防流感.
來自互聯網
- 4. It was theoretically predicted that polyvalent anions of C 36 CH 2 had high stability and aromaticity.
- 從理論上預計C36CH2的高價陰離子具有很高的芳香性和穩定性.
來自互聯網
polyvalent相關單詞