齐40块蒸汽驱先导试验取得了较为理想的开发效果，但由于受油藏非均质性的影响，蒸汽驱过程中出现了蒸汽波及效率低、稳产时间短等现象。
Steam drive pilot test in Block Qi40 has achieved ideal development result, but the sweep efficiency is low and stable production period is short because of reservoir heterogeneity.
利用上述结果，对理想线偏振光和非偏光进行了定标，其偏振度误差均小于1% 。
The polarized degrees for the ideal linear polarized light and non polarized light were calibrated on the basis of the above results, and the relative errors were less than 1%.
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