نتایج جستجو برای: quasi coincident with

تعداد نتایج: 9227123  

Journal: :Nature Geoscience 2022

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...

2015
Wei-Cheng Yeh nan-han Lu Lee-Ren Yeh Mei-Chun Chou Yi-Ting Wang i-Chang Lin

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...

Journal: :Journal of High Energy Physics 2008

2004
Mallory Roberts Scott Ransom Jason Hessels Margaret Livingstone Cindy Tam Victoria Kaspi

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...

Journal: :Geophysical Research Letters 2023

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 (...

Journal: :bulletin of the iranian mathematical society 0
s. ‎mallick‎ department of mathematics‎, ‎chakdaha college‎, ‎p‎. ‎o‎. ‎chakdaha‎, ‎dist-nadia‎, ‎west bengal‎, ‎india. p. zhao department of applied mathematics‎, ‎nanjing university of science and technology‎, ‎nanjing 210094‎, ‎p‎. ‎r‎. ‎china. u. c. de department of pure mathematics‎, ‎university of calcutta‎, ‎35‎, ‎b‎. ‎c‎. ‎road‎, ‎kolkata 700019‎, ‎west bengal‎, ‎india.

‎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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