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13CNMR

13CNMR

13CNMR

13CNMR

1

The corresponding 13 C NMR resonance peaks are the major basis for the differentiation between treated amber and treated resin .

与之对应的 13CNMR 共振谱峰是判断处理琥珀或处理树脂的重要依据。

2

Aim : nuclear magnetic resonance spectrum of calycosin was studied , and its chemical shifts of 13C NMR were attributed .

目的：研究了毛蕊异黄酮的核磁共振波谱学，并对其 13CNMR 进行归属。

3

These new ring-opening products' structure can be determined by IR, 1HNMR, 13CNMR and EIMS.

所合成的新开环产物的结构都通过 IR，1HNMR，13CNMR，EIMS 和元素分析确定。

4

The structures of the new intermediates and target compounds are confirmed by 1H NMR, 13C NMR, IR, and MS spectra .

所有的目标化合物和一些中间体化合物的结构都经过 1HNMR 、13CNMR 、IR 及 MS 得到了确认。

5

The routine chemical analysis means and 13CNMR spectra were employed to learn the relations of structure and quality of UF resin .

采用常规化学分析和 ^13C 核磁共振相结合的方法，分析研究了脲醛树脂胶粘剂性能与结构的关系。

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