将涤纶废产物用二甘醇和三元醇经酯基转移合成齐聚酯多元醇，并用其制备聚氨酯硬质泡沫塑料。
A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.
事实上排骨在欧洲没有市场——丹麦认为这是一种废产物——在销售总额中，丹麦有超过的50%的销售都依赖美国。
Since there is virtually no market in Europe for pork ribs——Danes considers them a waste product——Denmark depends on the USA for more than 50 percent of all sales.
合成的产品中无酚无三废产生，产品元素分析及红外光谱与目的产物相一致。
The element analysis and IR spectrogram of the product were identical with the target product.
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