摘要
低能γ射线穿透法测量煤灰分,比反散射法有更高的灵敏度,它不仅适于低灰分测量,也适用于高灰分测量。本文推导了此法测量煤灰分的公式,并计算了成分变化引起的误差。
Single low-energy r-ray transmission techniques for determining the ash content of the coal have higher sensitivity than the back-scattering method. Transmission techniques are suitable for measuring not only the low ash content, but also the high ash content. This paper deduces the equations determining the ash content of the coal by single low-energy r-ray transmission techniques and calculates errors due to the composition changes. The effect of constituent variations on determining the ash by transmission techniques is the same as back-scattering methods. Measurement error in the laboratory is less than ±0.40%.
出处
《核电子学与探测技术》
CAS
CSCD
北大核心
1989年第5期285-289,共5页
Nuclear Electronics & Detection Technology
关键词
灰分
煤
测量
γ射线穿透法
灵敏度
Single low-energy r-ray transmission techniques, Ash content, Sensitivity
