Results 1 to 10 of about 78,373 (324)

Historical evolution of the geomagnetic declination at the Royal Observatory of Madrid [PDF]

open access: goldHistory of Geo- and Space Sciences
The agonic line, which represents geomagnetic declinations of 0°, recently crossed the Royal Observatory of Madrid (ROM) in December 2021, causing a shift in declination values from west to east.
J. M. Tordesillas   +5 more
doaj   +2 more sources

Sundial-water clock of the Bronze Age (Northern Black Sea Region) [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2021
This article presents the results of a study of signs on a Bronze Age slab discovered in the vicinity of a heavily plowed mound near the settlement of Pyatikhatki. The slab belongs to the Dolmen archaeological culture.
Vodolazhskaya, L.N.   +2 more
doaj   +1 more source

Increasing the accuracy of absolute measurements at the Argentine Islands geomagnetic observatory of the Ukrainian Antarctic Akademik Vernadsky station

open access: yesУкраїнський антарктичний журнал, 2023
In recent years, the INTERMAGNET geomagnetic observatory Argentine Islands of Ukrainian Antarctic Akademik Vernadsky station, located at Galindez Island, has been modernized.
Yu. Sumaruk   +4 more
doaj   +1 more source

Decline increasing: normality declining [PDF]

open access: yesPhysics World, 1998
Information is the currency of scientific pursuit, and its immediate access is a presumed universal right to today's students. No longer must the information-seeker spend hours, days and even weeks trawling through Current Contents, as all information is now freely available at the click of a mouse.
Eason, Robert, Nash, Chris
openaire   +3 more sources

Study of declination methods while forming the appearance of the surface-to-air unmanned aerial vehicle with a vertical start

open access: yesНаучный вестник МГТУ ГА, 2021
The problem of choosing a rational declination system from alternative variants at the stage of forming the appearance of an unmanned aerial vehicle (UAV) with a vertical launch is considered.
A. V. Vindeker
doaj   +1 more source

Search for astrophysical sources of neutrinos using cascade events in IceCube [PDF]

open access: yes, 2017
The IceCube neutrino observatory has established the existence of a flux of high-energy astrophysical neutrinos inconsistent with the expectation from atmospheric backgrounds at a significance greater than $5\sigma$.
IceCube Collaboration   +313 more
core   +10 more sources

The Geometer: A New Device for Recording Angles in Visual Surveys

open access: yesNAMMCO Scientific Publications, 2020
The Geometer is a new handheld USB device that facilitates a relatively accurate measurement of the declination to a target with instantaneous recording of this and other data.
Rikke Guldborg Hansen   +4 more
doaj   +1 more source

Paleomagnetism of Phanerozoic Geological Complexes in Tuva

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2020
The authors have investigated palaeomagnetically the Ordovician, Upper Devonian and Lower Carboniferous strata in Tuva. In the rocks, postfolding secondary and prefolding magnetization components were isolated.
Коваленко Д.В.   +3 more
doaj   +1 more source

Characterization of Machined Surface Topography Based on the Normal Declination Angle of Microfacets

open access: yesMicromachines, 2021
It is important to characterize surface topography in order to study machined surface characteristics. Due to the features of periodicity and randomness of machined surface topography, the existing topographical parameters may not describe its features ...
Wei-Chao Shi   +4 more
doaj   +1 more source

Design and research of single‐sided slotted waveguide antenna with a large beam declination

open access: yesIET Microwaves, Antennas & Propagation, 2021
The slot of the conventional longitudinal slot antenna is alternately opened on both sides of the broadside. A novel single‐sided slot array with a large‐declination (biased towards the load) is proposed, in which the slots are only biased to the same ...
Chengwei Zhao   +4 more
doaj   +1 more source

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