Results 191 to 200 of about 41,471 (212)

Measurement of lattice and apparent diffusion coefficient of hydrogen in X65 and F22 pipeline steels

International Journal of Hydrogen Energy, 2013
Abstract The permeation through and desorption of hydrogen from cathodically charged micro-alloyed API 5L X65 and low alloy ASTM A182 F22 steels were investigated with the aim to analyse the trapping parameters by means of the electrochemical method developed by Devanathan and Stachurski. The lattice diffusivity of hydrogen as well as the amounts and
FALLAHMOHAMMADI, EHSAN, BOLZONI, FABIO MARIA, LAZZARI, LUCIANO   +2 more
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Microstructure, Mechanical Properties of Welded Joints of F22 and F91

2015
This paper introduces the welding producers of F22 and F91 which is used in high pressure forged steel valves inside hydrogenation unit, and also presents the tensile test, bend test, hardness test, impact test and microstructure observation of the weld joints.
Xizhang Chen, Min-Li Ma
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Monitoring F, F+ and F22+ related intense defect emissions from nanocrystalline MgO

Journal of Luminescence, 2014
Abstract MgO contains several oxygen defect related absorption peaks in the UV as well as in the visible region. The emission spectra are obtained at three different excitations, 6.02 eV (206 nm), 4.59 eV (270 nm) and 3.75 eV (330 nm) respectively. Each excitation results in an intense emission associated with F + , F 2 2 + and F -
Biswajit Choudhury, Priyanka Basyach, Amarjyoti Choudhury   +2 more
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A Construction for the Smallest Fischer Group F22

1973
Publisher Summary The Fischer groups F 22 , F 23 , F 24 are closely related to the corresponding Mathieu groups, and it is natural to attempt constructions in terms of these. This chapter presents that certain difficulties with F 23 and F 24 do not arise for the smallest group F 22 .
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MPEC 2023-F22 : 2023 ET2

2023
The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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İstanbul 1/5000 ölçekli (F22-d-11-c, F22-d-12-d, F22-d-16-b, F22-d-17-a) paftalarında şehir içi arazi kullanımı

2020
25
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İstanbul`un 1/5000 ölçekli f22-d-16-d ve c f22-d-21-b ve a paftalarında şehiriçi arazi kullanımı

2020
38
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MPEC 2024-F22 : 2024 FJ

The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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F22 Lung cancer in the elderly

Critical Reviews in Oncology/Hematology, 2009
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F22 (=21 W-M, 22 J)

2023
openaire   +1 more source