产品型号编制方法 methods for compiling product models of air separation plant
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Mend the method of the compress can improve the density and the magnetic properties of the magnets 改变磁体的压制方法能有效提高磁体的密度和磁性能。
According to these accomplishments , several techniques are expounded emphatically in this paper , including 3d refraction statics , coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ) , 3d prestack multiple domain random noise attenuation , multiples attenuation , nmo of unsymmetrical hyperbola , dynamic replacement of wave equation , surface - inconsistent residual static , super bin stacking , poststack depth migration and prestack depth migration . all the techniques have been applied in seismic processing of 2d , 3d and wide - line profiling and obtained good results 本文根据项目组研究成果,重点闸述了三维折射波静校正技术,叠前波场分离相干噪音压制方法(叠前fx去噪) ,叠前三维多域随机噪音衰减技术,多次波衰减技术,非对称双曲线动校正技术,波动方程动态替换技术,非地表一致性的剩余时差静校正技术,超面元迭加处理技术,叠后深度偏移处理,叠前深度偏移处理等。