The melamine is truly one kind can the pathogenesis chemistry supplement, but this was not equal to after all said it is one toxicoid.

三聚氰胺确实是一种能够致学添加物，但这毕竟不等于说它本身是一种有毒学物质。

The scale up test for the synthesis of melamine melocol resin was accomplished on the basis of the technological conditions adopted in the former pilot test.

以密胺-脲甲醛成小试工艺条件为依据,完成了放大试验过程工艺研究。