测量发现，随碳黑含量的增加，复合体系的吸收系数逐渐增大，并伴随折射率的相应增加。
It is found that the absorption coefficient and the refractive index of the composite increased with increase of carbon black content.
本文采用极性的丁腈橡胶与短碳纤维复合，探讨了碳纤维及碳黑含量对复合材料电性能影响，以及该材料电性能随温度的变化情况。
The effect of carbon fiber content, carbon black content and temperature on the electic conductivity of the composite was studied in this paper.
提出采用燃烧氧化偶联离子色谱法测定甲醇、碳黑中的氯和硫的含量。
A new method has been developed to determine chlorine and sulfur content in methanol and charcoal by using combustion oxidation coupled to ion chromatography.
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