查询词典 inversion theorem

We discuss the feasibility of the inversion condition and the uniqueness of the inversion result.

相比VTI介质，ATI介质中增加了对称轴倾角与方位两个参数，问题的复杂性可以通过方位变化的非双曲时距来解决。

The method is called apparent density inversion. The inversion technique overcomes drawbacks of long computation and unstable solution, it takes less than 20 seconds to compute a density data set of 128 ×128×10 points on a PC of 1.99 GHz. The method is demonstrated on synthetic models and on real gravity data

本反演方法克服了传统已有方法计算时间特别长、解稳定性差的缺点，在主频1.99 GHz的微机上，反演128×128×10个密度值的计算时间小于20 s，理论模型和实际资料的应用表明反演具有较好的效果。

Preparation of poly(vinylidene fluoride-co-hexafluoro propylene)-based symmetric microporous membranes by a dry/wet phase inversion method ;2. PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and EE as additive.

通过改变铸膜液中添加剂乙醚的含量，采用相转化法在平板刮膜机上制备了一系列超滤膜，考察了添加剂乙醚含量对铸膜液黏度、凝胶速度、膜性能和结构的影响，研究了PES-C/DMAc体系中添加剂乙醚作用的规律。

Since the well-log data interpretation is a basic step of the joint inversion, the paper studied the inversion algorithms of two-type problems of lithology and reser voir parameters using well-log data by ANNs and examined the advantages and practi cality of the technique with a large amount of real data.

考虑到测井资料是联合反演中的基本的一步，本文研究了应用人工神经网络根据测井资料预测岩性和储层参数这两类问题的数据驱动的反演算法，并以大量的实际资料处理结果，证实了该方法的实用性和优越性。

Results:①The electrotonic modulation of T wave inversion was V1~V2V5~V6 in the right ventricular apical pacing group, and with T wave inversion in leads Ⅱ,Ⅲ, aVF, and without ST segment changes.

对74例由不同原因所致右胸导联T波倒置患者常规12导联心电图T波倒置的分布规律、倒置的深度以及是否同时伴有ST段改变、其它导联的T波倒置及其演变过程进行分析。

The model based inversion methods are discussed in detail and the Monte Carlo technique, genetic algorithm and simulated annealing method are introduced in the inversion computation theories on the geodetic deformation analysis and geodynamical interpretation.

结合最优化理论讨论了基于模型的几种反演解算方法。首次将蒙特卡罗法、模拟退火算法以及遗传算法等全局最优化算法引入到大地测量形变分析和解释的反演解算理论中。

In the paper,the method of elastic impendence inversion is introduced in detail and used in the inversion and explanation of...

本文详细叙述了弹性波阻抗反演的方法，并将其应用于稠油热采地震资料的反演和解释中，结果表明弹性波阻抗反演用于稠油热采地震监测是切实可行的。

High resolution joint inversion of seismic data and well logging is an effective method to predict the thin interbedded reservoir in the exploration and development of eastern oil field in China. However, the combination of high frequency logging data with relative low frequency seismic data for establishing a stratified geologicmodel well matching the seismic data is the foundation for obtaining good inversion result.

在我国东部油田的勘探开发中，井震联合高分辨率反演是薄互层储层预测的有效方法，将高频测井资料和相对低频的地震资料有机地结合起来，得到与地震资料吻合程度高的层状地质模型是获得好的反演结果的基础。

Impedance inversion is an important method in processing seismic lithologic inversion.

波阻抗反演是进行地震岩性反演的一个重要手段。

The MR protocol involved transverse, coronal, and sagittal noncontiguous T2-weighted single-shot fast spin-echo sequences; transverse fat-suppressed T2-weighted fast SE sequences; transverse T1-weighted gradient-recalled-echo sequences; and transverse and coronal short inversion time inversion-recovery sequences performed through the lower abdomen and pelvis.

MR计划包括于下腹部与骨盆位置执行的，横轴的、冠状的、矢壮轴的非连续T2加权单射快速环绕音波程序；横轴压抑脂肪讯号的T2加权快速SE程序；横轴T1加权梯度回复音波程序；以及横轴、冠状短程反向时间反向回复程序；由2位放射科医师评估MR结果，以及与外科及病理发现、临床追踪数据比较。

These are places without aristocratic baggage; egalitarian places open to talent, self-improving, engaged in learning and innovation through networks that were at once competitive and cooperative.

这些地方没有贵族遗风作祟，而且对于那些有天分的人是开放的平等之地，这些人善于通过那些曾经很具有竞争力与合作精神的关系网进行自我提高以及学习创新。

Christine: You don't want to see me?

你不想见我？