Nuclear magnetic resonance (NMR) is a kind of exploration, research material microstructure and properties of high and new technology.
核磁共振是一种探索、研究物质微观结构和性质的高新技术。
By using DSC, IR spectrum, NMR, microcolumn analysis and other methods, the structure of the product is characterized and its properties such as viscosity and saponification degree are determined.
用dsc、红外、核磁共振、微库仑分析法等测试手段对产品的结构进行了表征；还用粘度、醇解度等常规分析方法测定了产品的性能。
Photochromic N methyl spirooxazine compound has been prepared. The specimen was characterized by 1H NMR and IR, and a preliminary study has been done on the photochromic properties.
合成了具有光致变色性能的化合物N 甲基螺恶嗪，对它进行了IR和1 H NMR表征，并对其光致变色性能进行了初步研究。
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