infra造句
2024年05月15日 14:03:04
The
infra - red spectra of quinones present a number of interesting features.
醌类的红外光谱具有一些有趣的性质.
Ethylene and trans - dichloroethylene are both inactive in the
infra - red in this region.
乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.
Infra - red absorption takes place only when there is a change of dipole moment.
红外吸收峰仅在有偶极矩变化时才能实现.