GGOS

AcronymDefinition
GGOSGlobal Geodetic Observing System
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References in periodicals archive ?
The presence of extensive GGOs with apically predominant cysts is indicative of PCP in AIDS patients.
Chest radiograph was divided into three stages: early stage (normal or nearly normal chest radiograph), mid stage (bilateral pulmonary infiltrates), and late stage (bilateral pulmonary consolidations); chest high-resolution computed tomography (HRCT) was also divided into three stages: early stage (bilateral diffuse ground-glass opacity [GGO]), mid stage (bilateral diffuse GGO and patchy consolidations), and late stage (bilateral diffuse consolidations).
At the early stage, chest CT showed bilateral diffuse ground-glass opacity (GGO) [Figure 4]; at the mid stage, chest CT showed bilateral diffuse GGO and patchy consolidations [Figure 5]; and at the late stage, chest CT showed bilateral diffuse consolidations [Figure 6].{Figure 4}{Figure 5}{Figure 6}
Although a variety of different terms have been used for the radiographic appearance of adenocarcinoma nodules, there are essentially 3 different CT patterns: (1) ground glass opacity (GGO), (2) mixed density or mixed GGO, and (3) solid.
A previous study had revealed that the main imaging findings of HRCT during the initial stage of avian influenza A(H7N9) virus infection were GGOs, consolidations, air bronchograms, and interlobular septal thickening.
The accuracies of the GGOS (Global Geodetic Observing System) products required by the most demanding users concerning terrestrial reference frames are: "accurate to 1 mm, stable to 0.1 mm/yr, including geocenter; scale accurate to 0.1 ppb, stable to 0.01 ppb/yr" (Gross et al., 2009).
GGOs were uniformly distributed in both lung fields.
This is what GGOS (Global Geodetic Observing System) intends to provide.
* international GNSS based observation programs (IGS, EPN, ECGN, LEO) and programs based on collocation of different observation techniques like Global Geodetic Observation System (GGOS),
Thanks to this high accuracy the techniques of precise terrestrial gravimetry became an effective tool which can be employed in the Global Geodetic Observing System (GGOS) (Plag et al., 2009).