In the preliminary bioassay test,some bivalent organphosphorus compounds have been showed insecticidal activity against cotton aphid(Aphis gossypii) and housefly(Musca domestica Linnaeus).
初步结果显示,二效价有机磷簇合物对家蝇和蚜虫表现出一定的杀虫活性。
参考来源 - 有机磷类、新烟碱类簇合物的设计、合成及其活性评价AIM:To construct a prokaryotic expression vector expressing a fully human bivalent anti-idiotype antibody and identify the expression product.
目的:构建全人源鼻咽癌双价抗独特型抗体原核表达载体,并对其产物作初步鉴定。
参考来源 - 人源鼻咽癌双价抗独特型抗体疫苗的制备及活性鉴定·2,447,543篇论文数据，部分数据来源于NoteExpress
ADJ [chem] → same as divalent
N a structure formed during meiosis consisting of two homologous chromosomes associated together 二价
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。
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。
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。
应用推荐