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Nonparametric estimation of risk neutral density
2023Ce mémoire vise à estimer la densité neutre au risque (Risk neutral density (RND) en anglais) par une approche non paramétrique tout en tenant compte de l’endogénéité. Les prix transversaux des options européennes sont utilisés pour l’estimation. Le modèle principal considéré est la régression linéaire fonctionnelle.
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Neutral hydrogen density measurement in TMSPP
Acta Physica Sinica (Overseas Edition), 1993Resonance fluorescence of neutral hydrogen illuminated by Hα (656.3 nm) radiation provides a technique for spatially and temporally resolved density measurements of neutral hydrogen in high temperature plasma. Experiments have been performed in the exhaust of a tandem mirror space propulsion device.
Yao Xin-zi, T. F Yang, F. R Chang-diaz
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Properties of the neutral density and composition in the thermosphere
Advances in Space Research, 1983Abstract Measurements of the density and composition of the thermosphere between 150 and 500 km, which were obtained by the S3-1 satellite, have been compared with the Jacchia and MSIS models. The measurements of the densities of O, N 2 , N and Ar show some differences from the current models which should be considered during the preparation of the ...
C.R. Philbrick +2 more
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The influence of density in ultracold neutral plasma
Physics of Plasmas, 2016We simulate the evolution of ultracold neutral plasmas using molecular dynamics calculations with open boundary conditions. The calculations use 6000 ions and 6000 electrons, respectively, with a quasi-real ion-electron mass ratio of mi/me=1000. The simulated plasmas have both Gaussian and ordered initial distributions.
J. W. Gao +3 more
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Neutral Air Density and Composition
1973The thermosphere (85 to 500 km) is heated primarily by the following processes: (a) absorption of solar UV, EUV, and X-rays (λ= 1700 to 8 A); (b) dissipation of solar wind energy deposited into the thermosphere through solar wind magnetosphere upper atmosphere interactions (including absorption of accelerated solar wind particles ...
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Neutral Density Filters of Chromel A1
Journal of the Optical Society of America, 1947A short review of the available neutral density filters is given, with emphasis placed on the evaporation of Chromel A to form a film of any practical density that has neutral transmission throughout the visible and into the infra-red and ultraviolet regions.
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Multistep neutral density filter by ultra-precisely controlling the thickness of nano-Ni80Cr20 film
Thin Solid Films, 2021Yuanshen Huang +2 more
exaly
Neutral Atmosphere Density Monitoring System
Bulletin of the AAS, 2023Kerry Nock +6 more
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