Results 31 to 40 of about 478,207 (326)

Plasma Dynamics Associated With Equatorial Ionospheric Irregularities

open access: yesGeophysical Research Letters, 2018
The Communication/Navigation Outage Forecasting System satellite was operational from 2008, a period of deep solar minimum, to 2015, a period of moderate solar conditions.
Jonathon Matthew Smith, R. A. Heelis
doaj   +1 more source

Experimental and Numerical Investigation of Yielding Connection in Steel Moment Frame and Infill Concrete 3D Panel [PDF]

open access: yesJournal of Structural and Construction Engineering, 2019
Previous studies and observations of the earthquake have shown that frame filled with concrete 3d panel wall, can have adverse effects on the seismic behavior of structures.
GholamReza Havaei
doaj   +1 more source

INTERACTION OF IRREGULARITIES IN THE STANDARD OF SURVEYING AND CARTOGRAPHIC DOCUMENTATION WITH RAIL TRANSPORT PROBLEMS: A CASE STUDY [PDF]

open access: yesTransport Problems, 2023
Surveying (geodesy) and cartographic documentation, their types, and their flow (circulation) are the basis for the uniformity of the work carried out in the pre-design, design, and execution of construction works, ultimately having a representation in ...
Arkadiusz KAMPCZYK, Katarzyna ROMBALSKA
doaj   +1 more source

Role of the external drivers in the occurrence of low-latitude ionospheric scintillation revealed by multi-scale analysis

open access: yesJournal of Space Weather and Space Climate, 2019
We analyze the amplitude scintillation on L-band signals over San Miguel de Tucumán (Argentina), focusing on the multi-scale variability and speculating on the possible relationship between forcing factors from the geospace and the ionospheric response ...
Spogli Luca   +7 more
doaj   +1 more source

Properties of nematic LC planar and smoothly-irregular waveguide structures: research in the experiment and using computer modeling [PDF]

open access: yesКомпьютерная оптика, 2019
Nematic liquid crystal planar and smoothly-irregular waveguide structures were studied experimentally and by the computer modeling. Two types of optical smoothly-irregular waveguide structures promising for application in telecommunications and control ...
Aleksandr Egorov   +4 more
doaj   +1 more source

IRREGULARITIES IN THE DISPLACEMENT OF THE EARTH’S GEOGRAPHIC POLE AND JERKS IN THE GEOMAGNETIC FIELD

open access: yesГеодинамика и тектонофизика, 2023
There are presented the results of analysis of some irregularities in the series of displacement coordinates on the Earth’s surface for the geographic North Pole in order to relate them temporally to some global jerks in the geomagnetic field.
G. S. Kurbasova, A. E. Volvach
doaj   +1 more source

Prevalence of menstrual problems and their association with psychological stress among students of a medical college in Northern India [PDF]

open access: yesNew Indian Journal of OBGYN
Background: Regular menstruation symbolizes a normal reproductive health of woman; however, all women experience some form of menstrual problem in their lifetime. Medical undergraduates are mostly in the age group of late adolescence and early twenties.
Shaugfta Aara   +3 more
doaj   +1 more source

EUROPEAN FUNDS AUDIT IN ROMANIA [PDF]

open access: yesAnnals of the University of Petrosani: Economics, 2015
To become a a net beneficiary of EU funds, Romania must ensure an absorption rate as higher as it can. The appreciation of the these funds' management and formulating opinions in support of improving the absorption of European funds in the future can be
ANCA SIMINA POPESCU
doaj  

Effect of Finite Larmor Radius on the Cosmic Ray Penetration into an Interplanetary Magnetic Flux Rope

open access: yes, 2010
We discuss a mechanism for cosmic ray penetration into an interplanetary magnetic flux rope, particularly the effect of the finite Larmor radius and magnetic field irregularities.
Cane   +18 more
core   +1 more source

Effect of Long-Wavelength Track Irregularities on Vehicle Dynamic Responses

open access: yesShock and Vibration, 2019
Long-wavelength track irregularities have obvious influence on ride comfort and running stability of high-speed trains. Meanwhile, it brings risk to the inspection of track irregularities since ordinary inspection equipment has difficulties in covering ...
T. Xin, Pengsong Wang, Yu Ding
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy