bivalent

1. 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。

2. Libraries of monovalent compounds can be reacted with each other to give libraries of bivalent ones.: 图书馆单价化合物反应可以互相给予图书馆价的。

3. 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。

4. 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。

5. Main analysis contains the bivalent adjective the syntax structure basic semantic expression and its the lower position classification.: 其中主要分析含双价形容词的句法结构的基本语义表达式及其下位分类。

6. This paper, based on a summary of the existing researches on Chinese word order, examines more than 2,000 bivalent modern Chinese verbs.: 本文在总结前人对汉语语序研究的基础上，考察了汉语两千多个二价动词。

7. 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。

8. The result showed that bivalent and multivalent cations could be removed effectively, while the rejection of univalent cations was very low.: 实验表明，所制备的纳滤膜能有效截留二价和多价阳离子，对单价阳离子的截留率极低。

9. National immunization Days (NIDs) using bivalent OPV have been conducted in May, with further supplementary immunization activities (SIAs) planned for June.: 今年5月已经利用双价口服脊灰疫苗开展了全国计划免疫日活动(NIDs)，今年6月计划进一步开展补充免疫活动(SIAs)。

10. This article attempt to observe and study the qualification of the word order changes on Bivalent Verbs Sentence contacting with syntax, semantics and pragmatics.: 本文试图结合句法、语义、语用来考察双向动词语序变化的合格性。

11. 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。

12. Using Agrobacterium vacuum infiltration method the plant bivalent expression vector pBI121 containing GUS as a report gene was transformed into lettuce Lactuca sativa l.: 以GUS基因作为报告基因，利用农杆菌真空渗透法，采取正交试验设计对莴苣LactucasativaL。

13. So, we have resorted to developing a waterfowl parvovirus bivalent tissue culture vaccine and have evaluated the potency of the vaccine for reducing the cost of vaccine production.: 故本组研发「双价水禽小病毒组织培养疫苗」以期有效降低疫苗制造成本。

14. In partnership with the Finlay Institute in Cuba, Bio-Manguinhos is working with WHO to ensure a supply of up to 10 million doses of bivalent ac meningitis vaccine by the next epidemic season.: 与古巴的芬莱研究所合作，Bio - Manguinhos正在与世卫组织合作，确保在下一个流行季节之前供应多达1000万剂二价AC群脑膜炎疫苗。

15. The invention is characterized in that the Bacillus sp MK3-1 which has oxidation effect on soluble bivalent manganese is obtained through the separation from soil with the manganese pollution.: 本发明的特征是从锰污染的土壤中分离得到一株对可溶二价锰有氧化作用的芽胞杆菌MK3-1。

16. The results indicated that both the number of rod bivalents and the number of pre-pision bivalents increased markedly after radiation, while the number of bivalent chiasma tended to decrease.: 结果表明，照射后棒状二价体数明显上升，二价体提前分离增多，而二价体的交叉数却呈下降趋势。

17. Efficacy test of chicken infection bronchitis bivalent living vaccine was taken with the method of serum cross neutralization. The results showed that it was consistent with that of challenge method.: 以血清交叉中和方法进行鸡传染性支气管炎双价活疫苗效力检验，结果与攻毒方法效检结果一致。

18. In summary, we designed and synthesised some bivalent compounds as potential AChE inhibitors by cluster effect, the study provides a basis for the further related work and were worth further studying.: 本文利用簇合效应原理，合成了一些对乙酰胆碱酯酶抑制活性较好的化合物，为今后的研究工作提供了很好的基础，值得进一步深入开展这方面的研究。

19. In summary, we designed and synthesised some bivalent compounds as potential AChE inhibitors by cluster effect, the study provides a basis for the further related work and were worth further studying.: 本文利用簇合效应原理，合成了一些对乙酰胆碱酯酶抑制活性较好的化合物，为今后的研究工作提供了很好的基础，值得进一步深入开展这方面的研究。

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