單詞
polyvalent
英 [,p?l?'ve?l(?)nt]
美
基本信息
- adj. [化學(xué)] 多價(jià)的
- n. [遺] 多價(jià)染色體
詞態(tài)變化
名詞:?polyvalence;
中文詞源
polyvalent 多價(jià)的，多功能的
poly-,多，復(fù)，聚，-val,價(jià)，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(yǔ)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(jià)重金屬絡(luò)合.
來(lái)自辭典例句
- 2. The test proved that the polyvalent inactivity vaccine is safe and effective.
- 試驗(yàn)證明,該多價(jià)滅活疫苗安全性好,免疫效果確實(shí).
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- 3. Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
- 可以通過(guò)主動(dòng)免疫接種多價(jià)滅活疫苗或亞單位疫苗預(yù)防流感.
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- 4. It was theoretically predicted that polyvalent anions of C 36 CH 2 had high stability and aromaticity.
- 從理論上預(yù)計(jì)C36CH2的高價(jià)陰離子具有很高的芳香性和穩(wěn)定性.
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polyvalent相關(guān)單詞