tetravalent信息详情
adj.[化学]四价的
micrococcus tetragenus genbank───genbank四属微球菌
tetracl n───四环素n
nickel acetate tetrahydrate───醋酸镍
tetraborate buffer───四硼酸缓冲液
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
icositetrahedron───n.二十四面体
anapestic tetrameter metric foot───四公尺尺
tetraborate sodium───四硼酸钠
tetrahedrite mindat───四面体mindat
cephalanthus tetrandra───四头蚁
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）；
So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's 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。
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。
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。
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。
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
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；
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
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