Test results show that wood has longer ignition time, less CO yields and less specific extinction area, but its heat release rate is between CR and PVC belts.
结果表明，木材与CR ，PVC输送带相比点燃时间较长，热释放速率介于两者之间，CO生成率和比消光面积较小；
Finally arc self-extinction criterion is proposed to compute arc durations under the different conditions, which are corresponded with test results.
最后提出了电弧自熄判据，并以此计算了燃弧时间，与实测时间基本吻合。
On the formula of extinction-ratio value, this paper deduced the theoretic equation of the extinction-ratio test method without target.
论文利用消光比原理中系统所要达到的消光比值公式，借鉴消光比测试的分析方法，推导出了无靶板检测技术的原理公式。
On the formula of extinction-ratio value, this paper deduced the theoretic equation of the extinction-ratio test method without target.
论文利用消光比原理中系统所要达到的消光比值公式，借鉴消光比测试的分析方法，推导出了无靶板检测技术的原理公式。
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