Results 31 to 40 of about 154,181 (269)

Derivation of global ionospheric Sporadic E critical frequency (foEs) data from the amplitude variations in GPS/GNSS radio occultations [PDF]

open access: yesRoyal Society Open Science, 2020
The ionospheric sporadic E (Es) layer has a significant impact on the global positioning system (GPS)/global navigation satellite system (GNSS) signals. These influences on the GPS/GNSS signals can also be used to study the occurrence and characteristics
Bingkun Yu   +4 more
doaj   +1 more source

Acupuncture for cancer pain in adults. [PDF]

open access: yes, 2011
BACKGROUND: Forty percent of individuals with early or intermediate stage cancer and 90% with advanced cancer have moderate to severe pain and up to 70% of patients with cancer pain do not receive adequate pain relief.
Akhileswaran   +70 more
core   +1 more source

Design of a Data Acquisition, Correction and Retrieval of Na Doppler Lidar for Diurnal Measurement of Temperature and Wind in the Mesosphere and Lower Thermosphere Region

open access: yesRemote Sensing, 2023
Based on the resonance fluorescence scattering mechanism, a narrowband sodium (Na) lidar can measure temperature and wind in the mesosphere and lower thermosphere (MLT) region.
Yuan Xia   +11 more
doaj   +1 more source

Lamost observations in the kepler field. I. Database of low-resolution spectra* [PDF]

open access: yes, 2015
The nearly continuous light curves with micromagnitude precision provided by the space mission Kepler are revolutionizing our view of pulsating stars. They have revealed a vast sea of low-amplitude pulsation modes that were undetectable from Earth.
A. B. Ren   +55 more
core   +3 more sources

New ZZ Ceti stars from the LAMOST survey [PDF]

open access: yes, 2017
The spectroscopic sky survey carried out by the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) provides the largest stellar spectra library in the world until now. A large number of new DA white dwarfs had been identified based on the
Ana Pantin (4258687)   +6 more
core   +2 more sources

Uniaxial and Mixed Orientations of Poly(ethylene oxide) in Nanoporous Alumina Studied by X-ray Pole Figure Analysis [PDF]

open access: yes, 2018
The orientation of polymers under confinement is a basic, yet not fully understood phenomenon. In this work, the texture of poly(ethylene oxide) (PEO) infiltrated in nanoporous anodic alumina oxide (AAO) templates was investigated by X-ray pole figures ...
Li, Xiaolu   +6 more
core   +4 more sources

Study on Potential of Meridian Acupoints of Traditional Chinese Medicine

open access: yesJournal of Healthcare Engineering, 2021
In recent years, Traditional Chinese Medicine (TCM) has attracted more and more attention due to its good therapeutic effect, low cost, and convenience. This research is also a part of the goal of the modernization of TCM.
Qiuping Li   +6 more
semanticscholar   +1 more source

IPS Observation System for Miyun 50m Radio Telescope and Its Acceptance Observation

open access: yes, 2012
Ground-based observation of Interplanetary Scintillation(IPS) is an important approach of monitoring solar wind. A ground-based IPS observation system is newly implemented on 50m radio telescope, Miyun station, National Astronomical Observatories ...
De-Qing Kong   +13 more
core   +1 more source

Stereoscopic Polar Plume Reconstructions from Stereo/Secchi Images

open access: yes, 2009
We present stereoscopic reconstructions of the location and inclination of polar plumes of two data sets based on the two simultaneously recorded images taken by the EUVI telescopes in the SECCHI instrument package onboard the \emph{STEREO (Solar ...
Aschwanden   +32 more
core   +1 more source

Explorable and economically attractive mineral deposits in the Siberian and Far Eastern Federal Districts of Russia [PDF]

open access: yes, 2018
Purpose. Selection of the most explorable mineral deposits in the Siberian and Far Eastern Federal Districts of the Russian Federation as investment projects. Methods.
Boyarko, G
core   +1 more source

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