Studies on the structural feature of sulphated galactan polysaccharides from some red seaweeds using~ ( 13) c-nmr spectroscopy
用~(13)C&NMR光谱法研究几种红藻含硫半乳聚糖的结构特征
Study on Laws of the Single Factor Effect upon Heaving Properties of the Sulphated Salty Soil
硫酸盐渍土盐胀特性的单因素影响规律研究
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