The reaction product of diethylene glycol-ammoniation preparing morpholine under low pressure with gas chromatography is completely analyzed;
应用气相色谱法对二甘醇低压氨化法制吗啉的反应产物进行了全分析；
The reaction product of diethylene glycol-ammoniation preparing morpholine under low pressure with gas chromatography is completely analyzed;
应用气相色谱法对二甘醇低压氨化法制吗啉的反应产物进行了全分析；
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