Results 71 to 80 of about 9,040,613 (195)

Occurrences of Neuroptera and Raphidioptera in some regions in European Russia [PDF]

open access: yesBiodiversity Data Journal
The document presents an extensive set of data on the occurrence of Neuroptera and Raphidioptera in some regions of European Russia. The results of our own research, as well as scientific collections, have been processed.
Alexander Ruchin   +9 more
doaj   +3 more sources

Observations of Cavitating Flow [PDF]

open access: yes, 1994
This paper will present a review of some of the recent advances in our understanding of the dynamics and acoustics of cavitating flows. We focus first on the individual events which evolve from a single travelling nucleus and describe observations of the
Brennen, Christopher E.
core  

Enhancing Interoperability and Capabilities of Earth Science Data using the Observations Data Model 2 (ODM2)

open access: yesData Science Journal, 2017
Earth Science researchers require access to integrated, cross-disciplinary data in order to answer critical research questions. Partially due to these science drivers, it is common for disciplinary data systems to expand from their original scope in ...
Leslie Hsu   +5 more
doaj   +1 more source

Some Questions and Challenges in Measurements of Solar Magnetic Fields

open access: yesUniverse
Huairou Solar Observing Station of the National Astronomical Observatories of Chinese Academy of Sciences has been in operation since 1987. During its operation, successful observations of the solar vector magnetic field have been conducted. On the basis
Hongqi Zhang   +6 more
doaj   +1 more source

CMB observations using the SKA [PDF]

open access: yes, 2002
We examine the prospects for observations of CMB anisotropy with the SKA; we discuss the advantages of interferometric SKA imaging, observing strategies, calibration issues and the achievable sensitivity.
Ekers, R. D., Subrahmanyan, Ravi
core   +2 more sources

Observational Constraints on Dynamical Dark Energy with Pivoting Redshift

open access: yesUniverse, 2019
We investigate the generalized Chevallier−Polarski−Linder (CPL) parametrization, which contains the pivoting redshift z p as an extra free parameter, in order to examine whether the evolution of the dark energy equation of state can ...
Weiqiang Yang   +3 more
doaj   +1 more source

Observation, observation, observation

open access: yesCybergeo : revue européenne de géographie / European journal of geography, 2014
After having deplored for a long time the rarity, the slow pace of preparation and the lack of access to what seemed to be mountainous terrains, big data has been created, emerging in fluid masses, wave after wave, to become a new sphere of knowledge, useful for human and social sciences.
openaire   +4 more sources

Data management for earth observations [PDF]

open access: yes, 1977
The management of NASA earth observation data is discussed. User requirements are identified, as well as means to facilitate data acquisition. It is shown that LANDSAT data can be preprocessed to condense data into a more accessible format, thus reducing
Mcdonough, G. F.
core   +1 more source

Industrial chimney monitoring - contemporary methods

open access: yesE3S Web of Conferences, 2018
The paper presents knowledge acquired during the monitoring of a flue-gas stack, performed as part of technical and scientific surveillance of mining activity and its impact on industrial objects.
Kaszowska Olga   +2 more
doaj   +1 more source

Special observations [PDF]

open access: yes
The wind or temperature profiler is a new special observation device designed to supplement traditional atmospheric measurement and provide more accurate middle-range forecasts, including aviation and space applications. Radar is most useful in the short,
Beran, Donald
core   +1 more source

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