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- homomorplic bivalent 同形二价体
- Of or containing bivalent nickel, Ni2+. 含二价镍的有或含有二价镍Ni2＋
- A bivalent hydrocarbon radical,CH2-,a component of unsaturated hydrocarbons. 甲叉，亚甲一种双价碳氢基，CH2－，不饱合碳氢化合物的一个组成部分
- A bivalent hydrocarbon radical, CH2-, a component of unsaturated hydrocarbons. 甲叉，亚甲一种双价碳氢基，CH2－，不饱合碳氢化合物的一个组成部分
- A bivalent organic radical,C6H4,derived from benzene by removal of two hydrogen atoms. 亚苯基一种二价的有机基因，C6H4，通过去掉两个氢原子，从苯中衍生。
- Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS. 二价染色体：在减数分裂中配对时的任意一对同源染色体。
- A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group. 亚胺源自氨的一种化合物，含有与一个二价非酸基结合的氨基（NH）
- CYTOLOGICAL STUDIES OF AN UNEQUAL BIVALENT IN A NATURAL POPULATION OF THE GRASSHOPPER, CATANTOPS BRACHYCERUS WILL. 短角斑腿蝗(Catantops brachycerus Will.;)自然群体中不等双价体的细胞学研究
- A bivalent organic radical, C6H4, derived from benzene by removal of two hydrogen atoms. 亚苯基一种二价的有机基因，C6H4，通过去掉两个氢原子，从苯中衍生
- But bivalent and trivalent metal salts of the phosphoric acid had little effect on properties of iPP. 而二价的钙盐、镁盐、锌盐和三价的铝盐的成核效果不明显。
- The effect of univalent ions and bivalent ions on equipment operation parameters were investigated. 一价离子与二价离子相比，树脂使用周期长，操作范围宽。
- The International Coordinating Group (ICG) on Vaccine Provision for Epidemic Meningitis Control has provided 1 800 000 doses of bivalent AC vaccine. 为控制流行性脑膜炎提供疫苗国际协调小组已提供180万剂二价AC疫苗。
- Objective To construct a bivalent VP1 gene vaccine against Coxsackie virus B1 and B3 (CVB1 and CVB3) and to test its immunogenicity in mice. 目的 构建柯萨奇病毒 (CV)B1/B3型二价VP1基因免疫质粒 ,并探讨其免疫原性。
- Terminalization The movement of chiasmata to the end of the bivalent arms, a process that may occur during late prophase I of meiosis. 交叉)移端：发生在第一次减数分裂后期，染色体交叉向二价体染色体臂的末端移动的过程。
- A compound derived from ammonia and containing the bivalent NH group combined with a bivalent acid group or two monovalent acid groups. 酰亚胺源自氨的一种化合物，含有与一个二价酸基或者二个一价的酸基结合的氨基（nh）
- The average frequency was 0.036 for univalent,9.18 for bivalent,0.036 for trivalent,0.80 for quadrevalent and 0.38 for hexavalent. 其平均频率分别为单价体0.;036;二介体9
- 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。
- The practice 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。
- At low voltage region (<25V), the univalent ions in resin can be regenerated, but invalid to bivalent ions, at high voltage region (... 在较高电压下（＞25V），树脂内的一价离子及二价离子均可再生。
- 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。
