For convenience, the rope's length can be substituted for n, because the length is always greater than the number of substring and concatenation nodes in the rope.
为了方便，可以用rope的长度代替n，因为长度总是比rope中的子串和连接节点的个数大。
Three types of N? chloroacetyl substituted nitrogen? containing benzoheterocycles were introduced into pyrimidine by the formation of thioether.
三种n-氯乙酰取代的苯并含氮杂环化合物通过硫醚键的形成被导入嘧啶结构。
Objective:To study the antifungal activity of triazole alcohols by introducing N-butyl and substituted benzyl as side chain .
目的：研究具有正丁基和取代苄基侧链结构的三唑醇类化合物的抗真菌活性。
In this paper the research progress of N-substituted maleimide synthesis, polymeric activation and polymeric method are described in detail.
详细叙述了N -取代马来酰亚胺合成方法、聚合活性、聚合方法等方面的研究进展。
Electrochemical polymerization of the N-substituted pyrrole monomer 3 and 4. The obtained polymer films were characterized by cyclic voltammograms (CV).
对其中的两个手性单体3和4用进行了电化学聚合，并用循环伏安法对聚合物膜进行了表征。
The development and current situation of the functional material of chirality N-substituted maleimide and derivates have been made a comprehensive survey.
对手性N-取代马来酰亚胺及其衍生物功能材料的研究现状、研究方法、用途以及进展作了详细的综述。
Eight N-substituted carbazole compounds had been synthesized by different methods.
用不同的方法合成了八种N -取代咔唑。
In this paper, a facile and efficient method was developed for preparing N-substituted acetamides under microwave irradiation.
报道了一种简单有效的合成N-取代乙酰胺的新方法。
N-Substituted amides possess excellent properties for the separation of niobium and tantalum.
取代酰胺萃取分离铌、钽的性能良好。
In this study we synthesized a series of N-(o-substituted phenyl) maleimides.
本实验研究了一系列N-邻位取代苯基马来酰亚胺的合成。
The invention relates to novel (benzo) triazole compositions comprising mixtures of benzotriazoles and N-substituted benzotriazoles in functional liquids, e. g. mineral oil.
本发明涉及新的(苯并)三唑组合物，包含在功能液体例如矿物油中的苯并三唑和N -取代苯并三唑的混合物。
N-substituted polyanilines could be obtained by N-alkylation, N-acylation of polyaniline, chemical oxidation polymerization and electrochemical polymerization of N-substituted aniline monomer.
N -取代聚苯胺可以通过聚苯胺的N -烷基化、N -酰基化、N -取代苯胺单体的化学氧化聚合和电化学聚合而得到。
N-substituted polyanilines could be obtained by N-alkylation, N-acylation of polyaniline, chemical oxidation polymerization and electrochemical polymerization of N-substituted aniline monomer.
N -取代聚苯胺可以通过聚苯胺的N -烷基化、N -酰基化、N -取代苯胺单体的化学氧化聚合和电化学聚合而得到。
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