摘要：提出了一种新的偏移速度分析方法——基于控制照明的合成震源记录交互剩余偏移速度分析方法.与其他类似偏移速度分析方法的不同点在于:(1)叠前深度偏移采用基于波动理论的快速合成震源记录算法;(2)偏移方法采用平面波震源,与速度分析方法一致;(3)应用控制照明技术,避免了因横向变速而导致的平面波震源波场在传播过程中的畸变,从而减小了速度分析的误差;(4)实用的速度谱设计,使交互偏移速度分析可行且易于操作.模型和新疆实际资料的试算表明该方法是一种有效和实用的偏移速度分析方法.

摘要：混合式教学的本质就是要整合传统面授和在线学习两者的优势,进而给学生提供一种更高效、更灵活的学习体验。混合式教学的设计包括学习目标设计、学情分析、学习资源设计、学习活动设计、学习评价和学习环境六个要素。试对其中的五个要素进行阐述分析形成理论体系,旨为高校混合式教学培训或教师进行混合式教学提供一些参考,以期推动以学生为中心的教学模式创新,提升学生学习的主动性、参与度与互动性,培养高阶认知能力,彰显理论与实践融合的重要意义。

摘要：介绍了在有机絮凝剂的合成试验中采用均匀设计软件进行试验方案设计和统计调优的过程。在较少次数的合成试验中,找到了合适的试验条件,使产品的原料成本降低18％～25％。

摘要：This paper presents a new depth migration method, adaptive spatial-division split-step Fourier （ASDSSF） migration. In this method we introduce the idea of a stratified phase shift migration into the split-step Fourier （SSF） migration to make an accurate and efficient wave field image when sharp discontinuities appear in the velocity field. In principle, the ASDSSF migration is a multi-reference slowness （reciprocal of velocity） （MRS） migration. Compared to previous MRS migration methods, this method uses fewer reference slowness values without accuracy loss. The reference slowness is determined in this paper according to an error-control parameter of the perturbation term in the SSF operator and the variation of the complet velocity field. The velocity corresponded to reference slowness can define a spatial division. Each division can also be divided into several discontinuous spatial subdivisions to effectively reduce the number of reference slowness values needed. The choice of reference slowness, including the number of reference slowness values needed and how to construct the spatial divisions, is adaptive and reasonable at each extrapolation step （depth step）. A simple and economical smoothing filter in the wave number-frequency domain is designed to avoid artifacts in the wave field extrapolation due to the presence of sharp discontinuities in the velocity field. For comparable conditions the present approach to migration is expected to be computationally more efficient and accurate than other MRS migration methods. The performance of the method is demonstrated on a simple 2D prestack model and the prestack SEG/EAEG salt dataset.

摘要：通过对南方植物园的分析和研究,从选址、规划、设计和施工等方面进行了论述,对荒坡和涝洼地的景观改造进行了初步的探索和分析,指出该园体现了浓重的鲁南历史文化底蕴和纯朴的民风民俗,形成独特的景观效果。