取代基效应 meaning in Chinese

substituent effect

Abstract : the principal development of the study on chemical conversion of nitrogroup derivatives for the toluene was summarized at first based on this review , described herewith are reaction mechanisms and effects substituents and concluded four methods about sclcctive oxidation of nitrotoluene
文摘:在这篇文章中，首先综述了甲苯硝基衍生物研究的进展，根据这一评论详细地说明了化学转化机理和取代基效应，并对硝基甲苯的选择性氧化进行了简单评述。
In order to prepare composites with the least dimerization , it is important to design and assemble the target mpc molecule with desired structure , such as peripheral or axial substitutional groups . the optical limiting effect of the composites is measured at 532nm with 8ns pulses . the influence of different mpc doped concentrations , central metal ions , substitutional groups , dimerization ratios , and matrix on the composites " optical limiting effect is studied
在此基础上，应用光限幅测试技术，系统地研究了无机基金属酞菁复合固态材料的光限幅性能和金属酞菁配合物在复合体系中的光限幅机理，揭示了复合体系光限幅性能的酞菁浓度效应、中心离子效应、取代基效应和基质效应，为金属酞菁分子设计和复合制备工艺优化提供了可靠参考依据和可能。