نتایج جستجو برای: sun space

تعداد نتایج: 525725  

Journal: :Journal of Cosmology and Astroparticle Physics 2021

Radiative seesaw models have the attractive property of providing dark matter candidates in addition to generation neutrino masses. Here we present a study signals from annihilation particles that been gravitationally captured Sun framework scotogenic model. We compute expected event rates IceCube detector its 86-string configuration. As fermionic does not scatter off nucleons due singlet natur...

Journal: :international journal of preventive medicine 0
shiva faghih maryam abdolahzadeh mohsen mohammadi jafar hasanzadeh

backgrounds: vitamin d deficiency is a public health concern even in sunny areas, so we decided to assess the prevalence of vitamin d deficiency and its related factors among university students in shiraz. methods: this cross‑sectional study was carried out on 254 (128 male and 126 female) university students. demographic questionnaires and a questionnaire on exposure to sun light and sun prote...

Journal: :iranian journal of pharmaceutical research 0
sh golmohammadzadeh mr jaafari h hosseinzadeh

the objective of this study was to investigate the effects of saffron as a natural sunscreen and moisturizer. the pollens of the saffron were dried and powdered in a grinder. the experimental formulations included a homosalate (8%) lotion reference, lotions with 2, 4 and 8% of grinded saffron, and the control lotion base without saffron. the lotions containing saffron were prepared like homosal...

2000
C. Robert Clauer Tamas I. Gombosi Darren L. De Zeeuw Aaron J. Ridley Kenneth G. Powell Bram van Leer Quentin F. Stout Clinton P. T. Groth Thomas E. Holzer

Taking advantage of the advent of massively parallel computers, sophisticated solution-adaptive techniques, and recent fundamental advances in basic numerical methods we have developed a high performance, adaptive-scale MHD code capable of resolving many of the critical processes in the Sun–Earth system which range over more than nine orders of magnitude. The development of such models are of i...

Journal: :J. Artificial Societies and Social Simulation 2013
Wander Jager

2015
B. M. Jakosky

The MAVEN spacecraft launched in November 2013, arrived at Mars in September 2014, and completed commissioning and began its one-Earth-year primary science mission in November 2014. The orbiter’s science objectives are to explore the interactions of the Sun and the solar wind with the Mars magnetosphere and upper atmosphere, to determine the structure of the upper atmosphere and ionosphere and ...

2012
R. Poli C. Cinel A. Matran-Fernandez F. Sepulveda

We explored the possibility of controlling a space-craft simulator in realtime using an analogue Brain-Computer Interface (BCI) for 2-D pointer control. This is an extremely difficult task, for which no previous attempt has been reported in the literature. Our system relies on an active display which produces event-related potentials in the user’s brain. By analysing these, it is able to produc...

2006
Dibyendu Nandy

While it is well-known that solar variability influences the near-Earth Space environment at short timescales of days – an effect collectively termed as Space Weather, a more subtle influence of solar variability at longer timescales is also present and just beginning to be appreciated. Long-term solar forcing and its consequences – which has come to be known as Space Climate – has important co...

2012
Ljubomir Nikolić Larisa Trichtchenko

The connection between solar activity and adverse phenomena in the Earth’s environment that can affect space and ground based technologies has spurred interest in Space Weather (SW) research. A great effort has been put on the development of suitable models that can provide advanced forecast of SW events. With the progress in computational technology, it is becoming possible to develop operatio...

2015
Nat Gopalswamy Bruce Tsurutani Yihua Yan

This paper presents an overview of results obtained during the CAWSES-II period on the short-term variability of the Sun and how it affects the near-Earth space environment. CAWSES-II was planned to examine the behavior of the solar-terrestrial system as the solar activity climbed to its maximum phase in solar cycle 24. After a deep minimum following cycle 23, the Sun climbed to a very weak max...

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