得出了煤层倾角、水平分段高度对顶板变形的影响关系曲线，同时，给出了顶板破断的判据。
Relationship curves between seam dip Angle, horizontal section height and roof deformation are derived, at the seam time, the criterion of failure is given in this paper.
推导了根据钢板宽度确定锥体分段高度的计算公式，对锥体进行排料并推导出了排料所需钢板长度的计算公式。
The calculation formulae of the segmentation height of the conical transition according to the steel plate width were given, therefore , the length of the steel plate to be used can be calculated.
为避免产生光子并合现象的产生，可以利用在接收光路上加装中性衰减片、提高光电倍增管开始工作的高度和降低光电倍增管增益等措施来分段测量，提高臭氧测量的精度。
To avoid the phenomena of photon overlap, many measures such as neutral optical attenuator, gate witch and reducing the gain of PMT, are taken to enhance accuracy of ozone measurements.
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