1) compound catenary
双重键线;双重悬键线
2) pendant vinyl groups
悬挂双键
1.
A new type of amphiphilic polymer porous microsphere with different hydrophilic drgree were prepared,its hydrophobic part is PSt-DVB microsphere,the hydrophilic part is PMMA,the influence of reaction time and pendant vinyl groups on the grafting degree and influence of grafting degree on the morphology of microsphere were discussed.
合成了具有悬挂双键的苯乙烯-二乙烯基苯多孔微球,在悬挂双键处接枝甲基丙烯酸甲酯,制成了一系列不同接枝度的两亲性聚合物多孔微球。
2.
To extend application and improve the hydrophilicity of porous resin microsphere,the modified resin microspheres were prepared by grafting maleic anhydride(MAH) onto porous poly(styrene-divinylbenzen) [P(St-DVB)] with pendant vinyl groups.
为了提高多孔树脂微球的亲水性,扩大其应用范围,文章通过马来酸酐(MAH)与多孔苯乙烯-二乙烯基苯共聚微球悬挂双键的接枝聚合,制备了改性的多孔树脂微球。
3) base-catalyzed double bond migration
碱催化双键重排
4) The double lines
双重线条
5) dual-clue
双重线索
1.
This novel, based on a dual-clue structure, employs at the same time a traditional and an innovative new form of narration, which not only determines the overall framework and the structural layout of this novel, but also reflects, by way of such an heterogeneous, anti-tra.
在这部作品中,作家使用了双重线索。
6) doublet
[英]['dʌblət] [美]['dʌblət]
双重(谱)线
补充资料：双重
1.两层﹔两方面。多用于抽象事物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条