1) Link exchange rate
联繋匯率
2) Change of exchange rate
匯率变动
3) the development path of word
詞匯演變
4) coupling rate
偶联率
1.
The coupling rates are 8～10 and 17～21 respectively,both determined by the improved BCA method.
本研究采用戊二醛法和物理法制备氨苄青霉素(AMP)人工抗原,以紫外扫描和SDS-PAGE电泳鉴定偶联成功,采用改良的BCA法测定偶联率分别为8～10和17～21。
2.
It was investigated the relationship between the coupling rate and the capacity of condensing DNA,the relationship between the coupling rate and the transfection efficiency of copolymer in vitro Method:The structure and the coupling rate of copolymer were measured by 1H-NMR.
目的:合成羟丙基β-环糊精偶联小分子量聚乙烯亚胺的共聚物,探讨不同聚乙烯亚胺偶联率的共聚物缩合DNA的能力,探讨不同偶联率的阳离子共聚物组成与转基因效率的关系。
5) coupling ratio
偶联比率
1.
The coupling ratio was 39∶1 and 24∶1 respectively with UV-UIS spectrophotometer.
建立了用紫外分光光度法测定偶联比率的方法,测得它们的偶联比率分别为39∶1和24∶1。
6) crosslinking efficiency
交联效率
1.
The crosslinking efficiency of TMTD/ZnO/MgO system is greater than that of dicumyl peroxide(DCP).
研究了高聚合度聚氯乙烯（ＨＰＶＣ）的交联体系及其影响因素，实验结果表明，二硫代四甲基秋兰姆（ＴＭＴＤ）、氧化锌、氧化镁组成的硫化体系可有效地交联ＨＰＶＣ，且交联效率大于过氧化二异丙苯交联体系，酸性物质（增塑剂、硬脂酸）将会降低ＴＭＴＤ／ＺｎＯ／ＭｇＯ硫化体系对ＨＰＶＣ的交联效率。
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