The modified Z-index is a better approach to reflect the temporal distribution of drought-flood in Yantai.
指标能较好地揭示烟台市的旱涝灾害时间分布特征。
The results show that Z-18 retarder activator could keep the activity of the catalyst effectively, reduce the yield of coke, and improve the product distribution.
结果表明，Z-18抗焦活化剂能有效地维持催化剂的活性，明显减少焦炭生成，改善产品分布。
However, the influence on the radial distribution of the z-axial component of the electric field is small.
各腔长度变化对纵向场分量的径向分布影响很小。
However, the influence on the radial distribution of the z-axial component of the electric field is small.
各腔长度变化对纵向场分量的径向分布影响很小。
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