نتایج جستجو برای: non linear inversion of gravity
تعداد نتایج: 21326723 فیلتر نتایج به سال:
We investigate the possibility of crossing a phantom divide line in extension symmetric teleparallel gravity or $f(Q)$ gravity, where $Q$ is non-metricity. study cosmic evolution effective equation state parameter for dark energy considering exponential, logarithmic, and combined theories. Moreover, exponential model behaves like $\Lambda$CDM at high redshifts before deviating to $\omega_{eff}<...
This study investigated the effectiveness of individual and collaborative outputbasedfocus-on-form instructional tasks on the acquisition of English inversionstructures by EFL learners. Moreover, it explored the developmental trend oflearners’ inversion acquisition. To this end, 60 homogeneous EFL learners wereassigned to individual and collaborative output groups. They were exposed to textsenc...
uterine inversion is shortly described as the indentation and depression of the fundic area extending downwards up to the different levels of the birth canal till vaginal opening. clinical diagnosis of uterine inversion is difficult due to its non-specific symptoms and physical examination. ultrasonography is the most practical modality for radiological evaluation, but it is inadequate to deter...
[1] We present a method for 3‐D gravity inversion designed to obtain density contrast models described by subhorizontal layers limited by irregular discontinuity interfaces and models constituted by shallow basins with light infill. It is based on a previously published inversion method that provides, in a nearly automatic approach, the 3‐D geometry of isolated anomalous bodies. The basic adjus...
We present the development of an algorithm for inverting multi-component gravity gradiometer data to recover three-dimensional (3-D) distributions of density contrast for salt imaging. The algorithm is a direct adaptation of the author’s earlier work on 3-D inversion of magnetic data. The underlying method is based upon a regularized inversion that constructs a density contrast distribution hav...
Gravity drainage is the main mechanism which controls the oil recovery from fractured reservoirs in both gas-cap drive and gas injection processes. The liquid bridge formed between two adjacent matrix blocks is responsible for capillary continuity phenomenon. The accurate determination of gas-liquid interface profile of liquid bridge is crucial to predict fracture capillary pressure precisely. ...
[1] In 2005 an extensive new seismic refraction data set was acquired over the central part of the Chicxulub impact crater, allowing us to image its structure with much better resolution than before. However, models derived from traveltime data are limited by the available ray coverage and the nonuniqueness that is inherent to all geophysical methods. Therefore, many different models can fit th...
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