نتایج جستجو برای: quasi coincident with
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Plume magmatism and continental breakup led to the opening of northeast Atlantic Ocean during globally warm early Cenozoic. This warmth culminated in a transient (170 thousand year, kyr) hyperthermal event associated with large, if poorly constrained, emission carbon called Palaeocene–Eocene Thermal Maximum (PETM) 56 million years ago (Ma). Methane from hydrothermal vents coeval North Igneous P...
Meningiomas with distant metastases rarely occur. We report a patient with coincident primary lung cancer and metastatic meningiomas. The presence of distinct imaging features and a differential response to chemotherapy enabled us to distinguish the primary lung cancer from the metastatic lesions. Previous studies suggest that several factors can enhance the propensity of meningioma for metasta...
We present the results of radio searches for pulsars within unidentified EGRET source error boxes. Using the Parkes multibeam system, we have surveyed 56 sources at Galactic latitudes |b| > 5◦ which do not appear to be associated with blazars. This population has been suggested to be distributed like the local star forming region known as the Gould Belt, the Galactic Halo, and/or the millisecon...
Using observations from the Global-scale Observations of Limb and Disk (GOLD) mission, we investigate post-sunset ionospheric responses to September 2019 Antarctic sudden stratospheric warming –first ever a synoptic perspective. reveal prevalent quasi-6-day periodicity in equatorial ionization anomaly region over South America Atlantic, coincident with enhanced wave (Q6DW) activity mesosphere (...
the object of the present paper is to study spacetimes admitting quasi-conformal curvature tensor. at first we prove that a quasi-conformally flat spacetime is einstein and hence it is of constant curvature and the energy momentum tensor of such a spacetime satisfying einstein's field equation with cosmological constant is covariant constant. next, we prove that if the perfect...
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