Results 21 to 30 of about 174,760 (197)

Vaux-en-Bugey (Ain, France): the first gas field produced in France, providing learning lessons for natural hydrogen in the sub-surface?

open access: yesBSGF - Earth Sciences Bulletin, 2020
The former Vaux-en-Bugey field, first French methane production from early 20th century, is revisited as a case study to address the present generation and accumulation theories for gases like hydrogen and helium.
Deronzier Jean-François   +1 more
doaj   +1 more source

Effectiveness of Using Gases for Water Purification with the Same Microbial Load

open access: yesВісник Харківського національного університету імені В.Н. Каразіна: Серія Екологія, 2021
Purpose of the study is to іnvestigate the effect of gases on the process of water purification from aerobic microorganisms (MO) with the same initial content in the aquatic medium and to identify the nature of the gas in the atmosphere in which the ...
I. Z. Koval
doaj   +1 more source

Influence of Gas Density and Plug Diameter on Plume Characteristics by Ladle Stirring

open access: yesCrystals, 2021
The paper presents new results concerning the influence of the gas density and porous plug diameter on the nature of liquid steel stirring with an inert gas in the ladle.
Dmitrii Riabov   +3 more
doaj   +1 more source

Helium isotope, C/3He, and Ba‐Nb‐Ti signatures in the northern Lau Basin: Distinguishing arc, back‐arc, and hotspot affinities

open access: yesGeochemistry, Geophysics, Geosystems, 2015
The northern Lau Basin hosts a complicated pattern of volcanism, including Tofua Arc volcanoes, several back‐arc spreading centers, and individual “rear‐arc” volcanoes not associated with these structures.
John Lupton   +7 more
doaj   +1 more source

ZONES OF RECENT ACTIVATION AND SCHEME OF THE EARTH CRUST PERMEABILITY OF UKRAINE

open access: yesГеологія і корисні копалини Світового океану, 2021
An attempt is considered to supplement the criteria for identifying zones of recent activation in the territory of Ukraine with another one — data on the results of studies of helium concentration in ground-water.
Gordienko V.V.
doaj   +1 more source

Liquid crystal displays for aircraft engineering

open access: yesТехнологія та конструювання в електронній апаратурі, 2009
The operating conditions of LCD monitors as part of aviation onboard instruments are considered. The requirements for the design of an LCD monitor for operation under harsh conditions are formulated.
L. F. Kovalenko   +3 more
doaj  

Nanostructure composite film for sensor controls of humidity

open access: yesТехнологія та конструювання в електронній апаратурі, 2009
Received nanostructure of the composite film allows creating integrated sensor controls of humidity with high sensitivity, stable in time, with linear dependence of capacity from relative humidity practically in all range of its change (3 to 100%) and ...
K. L. Kovalenko   +2 more
doaj  

Noble-Gas Chemistry More than Half a Century after the First Report of the Noble-Gas Compound

open access: yesMolecules, 2020
Recent development in the synthesis and characterization of noble-gas compounds is reviewed, i.e., noble-gas chemistry reported in the last five years with emphasis on the publications issued after 2017.
Zoran Mazej
doaj   +1 more source

Cryogenic Distribution System and Entropy-Based Analysis of Chosen Design Options for the Example of the Polish FEL Facility

open access: yesEnergies
The Polish Free-Electron Laser (PolFEL), which is currently under construction in the National Centre for Nuclear Research in Świerk near Warsaw, will comprise an electron gun and from four to six cryomodules, each accommodating two nine-cell TESLA RF ...
Tomasz Banaszkiewicz   +2 more
doaj   +1 more source

Noble Gas Reactivity in Planetary Interiors

open access: yesFrontiers in Physics, 2020
While the field of noble gas reactivity essentially belongs to chemistry, Earth and planetary sciences have brought a different perspective to the field.
Chrystele Sanloup
doaj   +1 more source

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