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二价───Bivalent;无───nothing
Objective To investigate the immunogenicity of bivalent inactivated hemorrhagic fever with renal syndrome virus ( HFRS ) vaccine.───目的检测生产的双价肾 综合征 出血热灭活疫苗的免疫原性.
A strong brittle gray toxic bivalent metallic element.───一种灰色有毒的二价金属元素坚韧易碎。
showed that the blast furnace slags mainly consisted of melilite, cuspidine, bivalent metallic sulphide and Ce-Ca silica.───结果表明：黄长石、枪晶石、二价金属硫化物、铈钙硅石是构成高炉渣的主要矿物。
In acid and alkali soil, there are mainly indissoluble bivalent or trivalent phosphates, which cannot be utilized by plants.───在酸碱性土壤中，磷主要以植物难以吸收利用的难溶性二价或三价阳离子的形式存在。
Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS.───在减数分裂中配对时的任意一对同源染色体.
With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material.
When they form bivalents, however, each chromosome is in close physical contact with its homologue.
The result showed that bivalent and multivalent cations could be removed effectively, while the rejection of univalent cations was very low.
Autosomal bivalents can be arranged in order of size, but unambiguous identification of individual bivalents is not possible.
The beauty of the bivalent vaccine is that it's able to attack both types of wild polio virus in one dose.