bivalent

A light strong brittle gray toxic bivalent metallic element.

一种灰色有毒的二价金属元素，轻质、坚韧、易碎。

It is discussed for the effect of types of surfactants and concentrations, alkaline concentrations, salinity, polymer, crude oil fractions, bivalent cation, non-ionic surfactants on interfacial tensions.

探讨了表面活性剂种类和浓度、碱浓度、矿化度、聚合物、原油馏分、二价阳离子和非离子表面活性剂等对界面张力的影响。

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.

Given the emergence of resistance to first-and second-line antimicrobials for the treatment of enteric fever, a bivalent vaccine against both SPA and S.typhi would facilitate for disease control.

鉴于人们开始反对使用一线和二线抗生素治疗伤寒肠热病，因此抗甲型副伤寒沙门氏菌和沙门氏杆菌的二价疫苗将有利于控制这种疾病。

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.

利用钢铁厂平炉尘制备中温变换催化剂，制备成本低，工艺简单，活性达到部颁标准，具有明显的经济效益。

A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition.

一种二价或三价金属元素，坚硬的银白色铁磁体，植物动物营养中的微量元素。

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 soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores.

一种有毒的二价金属元素，软质、蓝白色，有延展性，与锌矿石共生。

A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures.

银色有毒金属元素，重，单价或二价，唯一一种在常温下呈液态的金属。

A regional localization of SRY box gene on bivalent chromosomes of Monopterus alba

二价染色体上黄鳝SRY盒基因的高分辨区域定位

In addition, the complex of quinolone and bivalent canon in seawater or brackish water was speculated not stable, quinolone can be released into media when diluted with water without bivalent cation.

此外，喹诺酮与二价阳离子的螯合产物可能并不稳定，当用无二价阳离子水稀释后药物可被重新释放。

Atomic States of Bivalent Atom and Their Number

二价原子的原子态及其原子态数研究