Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the ...

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Determined by comparison of 13 C{1 H} NMR measurements of cyclic lactone with the product of hydrogen transfer ester metathesis. Oligomers with resonances different from the polymer resonances are ...

Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao, 999078, China Faculty of Materials Science and Energy Engineering, Shenzhen ...

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