Results 161 to 170 of about 11,342 (218)

Transbronchial Microwave Ablation of Peripheral Lung Tumors: The NAVABLATE Study. [PDF]

open access: yesJ Bronchology Interv Pulmonol
Lau KKW   +4 more
europepmc   +1 more source

Thermosphere [PDF]

open access: yes, 2008
The Earth is surrounded by a blanket of air, called the atmosphere. The atmosphere is a thin layer of gases that envelope the Earth. The gases are held close to the earth by gravity and the thermal movement of air molecules. Life on Earth is supported by the atmosphere, solar energy, and the magnetic fields.
Williams, Akan B.
openaire   +3 more sources

The thermosphere

Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1956
Abstract The influence of thermal conductivity on the temperature distribution in the thermosphere is discussed. It is inferred that the temperature gradient probably falls off rapidly above the base of the F1 layer instead of remaining almost constant up to great altitudes, as is often assumed.
openaire   +1 more source

The thermosphere in motion

Journal of Geophysical Research, 1976
Analysis of rocket-borne mass spectrometric thermospheric measurements of major and minor neutral species by coupled multicomponent equations of motion reveals the lower thermosphere to be in a nonequilibrium state. The individual species motion and thermal diffusion are significant factors in (1) the theoretical calculations of self-consistent species
S. P. Zimmerman, T. J. Keneshea
openaire   +1 more source

Structure of the thermosphere

Planetary and Space Science, 1961
The vertical distribution of the density in the thermosphere, deduced from satellite observations, must be explained by an increase of the scale height with altitude. A varying gradient of the scale heighht cannot be interpreted by assuming an increase of the temperature gradient with altitude.
openaire   +1 more source

From Lotosphere to Thermosphere

2017
This paper reflects on the influential nature of some of the many scientific achievements linked to Ed Brinksma on the occasion of his 60th birthday. We in particular discuss pioneering contributions in the contexts of constraint-oriented specification, model-based testing, and cost-optimal timed reachability, as well as with respect to tools and ...
openaire   +1 more source

Understanding the Impacts of Mesosphere and Lower Thermosphere on Thermospheric Dynamics and Composition

2021
The Earth’s Ionosphere and Thermosphere (IT) is a highly dynamic system persistently driven by variable forcings both from above (Solar EUV and the magnetosphere) and the lower atmosphere. The forcing from below accounts for the majority of the variability at low- and mid-latitude IT region during geomagnetic quiet times.
openaire   +2 more sources

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