四价 meaning in Chinese
quadravalence
quadrivalence =quadrivalency
quaternary
tetrad
tetravalence
tetravalency
tetravalent
Examples
- Carbon is tetravalent .
碳是四价的。 - All the tetradentate ligands were found to be effective with copper, which forms planar four-coordination complexes .
所有四价配位体对铜都有钝化效果，能与铜形成平面的四价配位络合物。 - Leather - chemical tests - determination of chromium vi content
皮革.化学试验.四价铬含量的测定 - Carbon has a valence of four
碳的化合价是四价 - Presently two preparations of meningococcal vaccines are registered in hong kong - the bivalent serogroups a c and the quadrivalent serogroups a , c , y w135
二价疫苗可以预防a型和c型脑膜炎双球菌，四价疫苗则可以预防a c w135和y型脑膜炎双球菌。