The effect of additive, sinter temperature and sinter time to the mechanic characters were studied.

研究了其力学性能与添加剂用量、烧结温度、烧结时间的关系。

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In this paper, the effect of additive boron on the diamond synthesized using pure iron powder catalyst was studied.

本文研究了添加剂硼对纯铁粉末触媒合成金刚石的影响。

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The lighting power and the emitted spectrum of the sample were tested. The effect of additive on the property of luminous plastic were examined.

通过制品的性能测试对其发光亮度、发射光谱，影响制品主要性能的因素进行了探讨。

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This problem is compounded by the possible presence of multiple chemicals which together have an additive effect that greatly increases the lethal action of any single chemical.

CNN: Chemicals killing Florida birds, fish