查询词典 inversion

Bioherm ; seismic reflection structure ; waveform category ; 3-D visualization ; seismic multi-parameter inversion

生物礁；地震反射结构；波形分类；三维可视化；多参数地震反演

It solves the imaging problem in great contrast. In chapter 2, the author deeply studies and analyzes the arithmetic of the method of Born approximation inversion and points out the limitations and disadvantage of the method. The good inverse results can be obtained in little disturbance by Born approximation.

本文提出的反演理论，考虑到散射序列中高阶项对成像结果的影响，在反演时利用逆散射序列中的高阶项以弥补散射场数据的丢失，使得在大扰动量的情况下同样能够实现界面位置和形态的精确成像，解决了大对比度情况下的成像问题。

But the singularity location inversed by Born approximation inversion is false except the first interface.

本文第二章对Born近似反演算法进行了深入研究和分析，指出了Born近似反演存在的问题。

The numerical result demonstrates the Born Approximation can be effectively used for 3D imaging for borehole-ground electrical method. It also demonstrates that the method can be used as the basis for fast 3D inversion in reservoir monitoring application and in water injection exploration.

数值计算的结果表明Born近似是一种有效的井地电法三维快速反演方法，同时也说明井地电法监测油水前驱和储层边界预测的观测数据可以用该方法进行快速三维反演成像。

Because of taking only advantage of the first item in scattering series, method of Born approximation inversion is only suitable to little disturbance imaging. And it will produce great error in condition of great perturbation.

考虑到上述问题，本文在Bleistein和Cohen等人对Born近似的深入研究基础上，运用地震逆散射理论进行深度成像，反演地层奇性界面的位置。

Considering problem mentioned in above part and founding on Bleistein's and Cohen's researches on Born approximation, the author carries out depth imaging inversion by using inverse scattering series for obtaining the singularity locations of layers.

实际上，从地球物理的实用观点出发，人们特别关心的往往并不是要求恢复全部的物性参数，而是要知道它的间断性及梯度变化较大的状况和位置。

This paper proposed the method and technique of the inversion of Moho depth of China and adjacent areas according to Bouguer gravity anomaly.

提出应用布格重力异常反演中国海陆莫霍面深度的方法与技术，并考虑到中国海、陆构造的一体性，进行海陆统一编图以展示莫霍面的海、陆演化与构造关系。

The true resistivity of formations computed precisely by using of the inversion technique, the interactive processing technique can be applied to structural explanation of formations, analysis for stability of wellbore, prediction of the breaking stress of formations and the deliverability, and the judgment of stress direction of formations.

利用反演技术求准地层真电阻率，利用人机交互处理技术进行地层构造解释，井眼稳定性分析及地层破裂压力预测、产能预测，进行了地层应力方向的判断。

By selecting Polyvinyl Butyral resins with different viscosity,the blend hybrid polyurethane/ PVB /SiO_2 membranes were respectively prepared by means of immerged phase-inversion process.

选择不同黏度的聚乙烯醇羧丁醛树脂，分别添加到聚氨酯/SiO2体系中，利用浸没沉淀相转化法制备了PU/PVB/SiO2共混杂化膜。

Polyethersulfone with Cardo is a developed engineering thermoplastic and membrane material with high glass transition temperature. PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and PVPK3O as additive.

采用凝胶相转化法，以新型耐高温工程塑料－含酚酞侧基的聚芳醚砜为膜材料，N，N-二甲基乙酰胺为溶剂，通过改变铸膜液中添加剂聚乙烯吡咯烷酮(PVPK30)的含量，在平板刮膜机上制备了一系列超滤膜。

After oxidation, pH value of the surface of carbon black has a specific relation with the volatile content.

氧化后炭黑表面的pH值与挥发分之间有一定的关系。

Knowing that such a person is warped and sinful; he is self-condemned.

因为知道这等人已经背道，犯了罪，自己明知不是，还是去做。