Their UV-Vis and fluorescent spectrum properties were studied and the spectroscopic properties of the two compounds were found very similar, and the length of introduced alkyls bring little influence to spectroscopic properties of the two compounds.
采用紫外可见光谱和荧光光谱对两种化合物的光谱性质进行了研究,发现两种化合物的光谱性质非常相似,引入的烷基链长度对两种化合物的光谱性质的影响非常小。
参考来源 - 新型席夫碱功能聚合物的分子设计与合成Firstly, the spectrum properties of FSK signal are introduced and the principle of spectrum estimation for FSK signal detection is discussed in detail.
首先介绍了FSK信号的频谱特性，详细分析了FSK信号谱估计检测理论。
参考来源 - FSK信号抗频偏解调方法研究Numerical simulations of the YDCF lasers have been performed using the energy levels and spectrum properties of Yb~(3+) ions. The effects of reflectivities of cavity mirrors,scattering loss and fiber length on the output characteristics are analysed.
从镱离子的能级结构和光谱特性出发,对单波长运转时的掺Yb~(3+)双包层光纤激光器进行数值模拟,详细讨论了谐振腔腔镜反射率、散射损耗、光纤长度等参数对其输出特性的影响,分析了使掺Yb~(3+)双包层光纤激光器系统输出功率最大时的光纤长度。
参考来源 - 可调谐掺Yb~(3+)双包层光纤激光器·2,447,543篇论文数据，部分数据来源于NoteExpress
Three acid dyes were synthesized from 2-aminoterephthalic acid as intermediate. Their spectrum properties were studied in this paper.
以氨基对苯二甲酸为中间体合成了三支酸性染料，研究了它们的红外光谱性质。
Firstly, the spectrum properties of FSK signal are introduced and the principle of spectrum estimation for FSK signal detection is discussed in detail.
首先介绍了FSK信号的频谱特性，详细分析了FSK信号谱估计检测理论。
The simulation results show that the inner conductor design will effect the accuracy of measurement result of impedance, but the spectrum properties of impedance is reasonable.
数值模拟结果表明，内导体的设计参数在一定程度上影响测量结果的准确性，但阻抗的频谱特性是真实的。
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