问题是沙质土壤的液化作用。
在硫酸的催化作用下，竹废料在由聚醚多元醇和粗甘油组成的混合液化剂中可被液化成多羟基化合物。
The bamboo residues could be liquefied to be biopolyol in the mixed solvent of polyether alcohol and crude glycerol under the catalysis of concentrated sulfuric acid.
研究结果表明，地铁结构在地震液化作用下会产生较大的上浮，从而对结构造成比较严重的破坏；
The results showed that the subway structure may uplift due to the earthquake induced liquefaction, which shall lead to severe damage in the structure;
研究结果表明，地铁结构在地震液化作用下会产生较大的上浮，从而对结构造成比较严重的破坏；
The results showed that the subway structure may uplift due to the earthquake induced liquefaction, which shall lead to severe damage in the structure;
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