•
tetravalent
英：【【ˌtetrəveɪlənt】】美：【【ˌtetrəveɪlənt】】
英：
美：
常见释义：
adj.
【化学】四价的
1、tetracl n ─── 四环素n
2、tetraborate buffer ─── 四硼酸缓冲液
3、icositetrahedron ─── n.二十四面体
4、tetrahedrite mindat ─── 四面体mindat
5、tetrarch ─── n.小王，小郡主；一州的四分之一的领主；四个联合统治者之一
6、micrococcus tetragenus genbank ─── genbank四属微球菌
7、cephalanthus tetrandra ─── 四头蚁
8、anapestic tetrameter metric foot ─── 四公尺尺
9、tetraborate sodium ─── 四硼酸钠
10、nickel acetate tetrahydrate ─── 醋酸镍
1、So this should immediately look like a problem because we know, in fact, that methane is
tetravalent
, and this is telling us its only divalent. ─── 显然这看起来是一个问题，因为我们知道实际上，甲烷是四价的，而这告诉我们它仅仅是二价的。
2、A
tetravalent
meningococcal meningitis vaccine (licensed in the United States) and a heptavalent vaccine protecting against meningitis A and C (to be licensed in 2007); ─── 一种四价流行性脑脊髓膜炎疫苗（已在美利坚合众国获许可证）和一种预防脑膜炎A和C的七价疫苗（将于2007年注册）；
3、Conclusion the developed synthetic medium and purification procedure were feasible and provided an experimental basis for the preparation of
tetravalent
meningococcus polysaccharide vaccine. ─── 结论所研制的综合培养基及多糖纯化的工艺具有较好的可行性，为四价脑膜炎球菌多糖疫苗的研制提供了试验基础。
4、While alum was generated
tetravalent
oxidation state oxidation of tannin extract desulfurization agent immediately pentavalent alum. ─── 同时生成的四价矾被氧化态栲胶脱硫剂立即氧化为五价矾。
5、
Tetravalent
A, C, Y and W135 conjugate vaccine have been licensed since 2005 for use in children and adults in the United States and Canada. ─── Y和W135四价结合疫苗自2005年以来在美国和加拿大获准用于儿童和成年人。
6、The Determination of Total and
Tetravalent
Selenium in Water and Waste Water by Hydride Generation-atom Fluorescent Spectrometry ─── 氢化物发生-原子荧光光度法测定水和废水中的总硒和四价硒
7、Hydrothermal synthesis and thermal stability oflayered compound of
tetravalent
metal phosphate ─── 层状磷酸盐的水热合成及其热稳定性
8、Neural Toxicity Induced by Divalent and
Tetravalent
Forms of Manganese and its Protection by Selenium ─── 不同价态锰对神经细胞的毒性比较以及硒的保护作用
9、Bivalent and
tetravalent
human papillomavirus vaccines protecting against cervical cancer; ─── 预防宫颈癌的两价和三价人类乳突病毒疫苗；