Based of calculated value, new synthetic process for melamine is put forward and has some reference value.
在此基础上，提出了合成三聚氰胺的新工艺，具有一定的参考价值。
This Paper introduces a new synthetic process of UP resin with waste PET, and the properties of the UP resin are also discussed.
介绍由废pet合成不饱和聚酯树脂的工艺，并对树脂的性能进行了讨论。
The new synthetic process of 2 - methylimidazole with acetaldehyde, nitric acid and ammonium bicarbonate as raw materials has been introduced in this paper.
介绍了以乙醛、硝酸、碳酸氢铵为原料合成2 -甲基咪唑的新工艺。
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