ir例句
Its
IR spectrum compared with that of comphor nitrimine.
它的红外光谱与樟脑硝亚胺红外光谱相似.
Statistics by
IR and chemical analysis testifies the above results.
IR和化学分析数据证实了上述实验结果.
The structures were characterized by elementary analysis,
IR and 1 HNMR.
它们的结构经元素分析 、
IR和1HNMR表征.