JR analysis showed that IFR was in the form of cycle - type structure.

红外分析表明该阻燃剂具有环状结构.

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Novelty intumescent flame retardant ( IFR ) was made from phosphoric acid, pentaerythritol and melamine.

使用磷酸 、 季戊四醇、三聚氰胺合成了一种膨胀型阻燃剂.

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The conclusion might be a reference in selecting development schemes of CI - IFR logging instrument.

该结论可供仪器研制方案选择参考.

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IFR scientists say creating broccoli containing more of the key chemical - sulforaphane - may counter this effect.

食品研究中心的科学家说,制造一种含有更多主要化学成分 - 卜硫素的花椰菜,可以对抗这种影响.

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