Fluorinated polymers of interest have aromatic groups in their repeat units and at least about 25 % of available aromatic ring positions fluorinated.
关注的氟化聚合物在它们的重复单元中具有芳基并且具有至少约25 %的有效的可被氟化的芳环位置。
In particular, for polymers with the aromatic groups along the polymer backbone generally at least about 55 percent of the aromatic ring positions are fluorinated.
尤其,对于沿着聚合物主链带有芳基的聚合物通常有至少约55%的芳环位置被氟化。
Lignin consists of both aromatic and aliphatic portions containing many active functional groups, which suggests some ion exchange and adsorption properties.
木质素结构中含有芳环、脂肪族侧链和许多活性官能团,具有一定的离子交换与吸附性能。
Oxidation reaction is an important method for the conversion of functional groups in aromatic compounds.
氧化反应是对芳香族化合物进行官能团转化的重要方法之一。
Thus, this polymer catalyst is especially suited to the hydrogenation of the ethylenic double bonds which are linked to aromatic, cyano, carboxyl and ester groups.
苯基、氰基、酯基、羧基在反应中不受影响。因此,这一聚合物催化剂特别适用于和芳基、腈基、羧基和酯基相连的双键的氢化。
The synthesis of a few Aromatic butynols with different substituting groups and reaction of Phenyl butynols under the different catalysis is described in this paper.
本文报导几种具有不同取代基的芳基丁炔醇的合成和苯基丁炔醇在不同催化条件下的反应性能。
As for aromatic compounds, their binding energies increased with the donor ability or withdrawing ability of fuctional groups.
对于取代芳烃,取代基给电子的能力越强,结合能越大。
The ir spectra of 23 aromatic amines were determined and the relationships between the spectra of amide groups stretching vibrational absorption and their structures have been investigated.
测定了23种芳香胺样品的红外光谱,对氨基伸缩振动吸收峰与其结构的关系进行了探讨。
Owing to its aromatic backbone, amino and carbonyl groups, and its characteristic in nano-size surface structure, the polymer can be used as an ideal support for immobilized enzymes by absorption.
由于这种聚合物分子含有疏水骨架、羰基和胺基的有序 分布,以及独特的纳料微观颗粒和孔穴结构,使其成为吸附法固定化酶的良好载 体。
Owing to its aromatic backbone, amino and carbonyl groups, and its characteristic in nano-size surface structure, the polymer can be used as an ideal support for immobilized enzymes by absorption.
由于这种聚合物分子含有疏水骨架、羰基和胺基的有序 分布,以及独特的纳料微观颗粒和孔穴结构,使其成为吸附法固定化酶的良好载 体。
应用推荐