But for phene-phenol, acrylic acid and ester , benzene, MDI etc products, the productivity will be surplus in different level.
而苯酚、丙烯酸及酯、苯、MDI等产品将出现不同程度的过剩。
This paper suggested a continuous analytical technique which could determine quantitatively the content of total acid and ester in vinegar.
提出了利用连续分析技术定量地测定食醋中总酸、总酯的含量。
Results showed that the resins containing acrylic acid and ester unit have good combined properties and compatibility with different IR dyes.
实验结果表明，聚丙烯酸类树脂与同时含丙烯酸单元和酯基的树脂分别配合不同的染料使用效果较好。
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