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Biophysical, histopathological and pharmacological characterization of crotamine isoforms F22 and F32 [PDF]
Toxicon, 2003 Two major crotamine isoforms (F22 and F32) were obtained after three chromatographic steps and were assayed in mouse phrenic nerve-diaphragm preparations. F32 and F22 (0.5 microg/ml, n=4) produced a facilitatory effect, which increased isometric twitch-tension by 300 and 230%, respectively, after a 120 min incubation.
Marcos H, Toyama +6 more
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Measurement of lattice and apparent diffusion coefficient of hydrogen in X65 and F22 pipeline steels [PDF]
International Journal of Hydrogen Energy, 2013 The permeation through and desorption of hydrogen from cathodically charged microalloyed 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 ...
Luciano Lazzari, F Bolzoni
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Development of a F22 Compatible Scale Inhibitor
CONFERENCE 2022, 2022Abstract F22, a low alloy steel, has become widely used in oil field production systems. However, current scale inhibitor technologies on the market often cause severe corrosion on F22, particularly at high temperature conditions. Therefore, F22 compatible scale inhibitors are in demand in the oil and gas industry. A F22 compatible scale
Ya Liu +4 more
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Development of an F22 Metal Compatible Scale Inhibitor for Subsea Application
CONFERENCE 2023, 2023Abstract F22 carbon steel has been widely used in subsea field development due to enhanced mechanical properties. However, commonly used scale inhibitors have been shown to be very corrosive against F22, and therefore cannot be injected continuously subsea to control mineral scales. In this paper, inhibition performances of several scale
Chunfang Fan +5 more
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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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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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On a Generalization of Kummer’s Second-Type F11 and F22
2021The aim of this paper is to establish a general form of Kummer’s second-type summation theory. By defining a new form for the divided of the Pochhammer symbol d+in/dn, we can develop a general form of Kummer’s second-type summation theorem as e−x/2F22a,i+d; xb+l,d; in the form of a sum of e−x/2F11a; xb+i; for i,l=0,1,2,…, Then, some properties ...
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A Construction for the Smallest Fischer Group F22
1973Publisher 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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Microstructure, Mechanical Properties of Welded Joints of F22 and F91
2015This 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.
Min-Li Ma, Xi-Zhang Chen
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