Results 251 to 260 of about 111,822 (311)
The ageing holobiont: crosstalk between telomere dynamics, oxidative stress and the gut microbiome
Biological Reviews, EarlyView.ABSTRACT The gut tissue is at the frontline of early onset of ageing. It exhibits high cell turnover rates and rapid telomere shortening, which can have systemic effects on the developing or senescing organism. We conducted a literature review of studies on the crosstalk between telomere length dynamics, telomerase activity, oxidative stress, and gut ...
Michael L. Pepke +2 more
wiley +1 more source
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Requirements on pipeline steel
Steel in Translation, 2010The current state of high-strength pipe-steel production is reviewed. Unsolved problems are identified. The considerable expense of improving the properties of pipe to meet Russian pipeline requirements (steel of strength class X80 or higher) on the basis of existing production methods is highlighted.
I. P. Shabalov +2 more
openaire +1 more source
Molybdenum steels for pipelines
Canadian Metallurgical Quarterly, 1975AbstractStringent property requirements are specified for steels to be used for oil and gas pipelines, especially for application in extremely cold climates. The effect of controlled plate mill processing (including water spray cooling between hot rolling passes), and of simulated strip mill processing on the mechanical properties and microstructure of
G. Tither, A.P. Coldren, J.L. Mihelich
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International Journal of Pressure Vessels and Piping, 1974
Abstract This paper reviews the measures taken in Canada to prevent failure in oil and gas pipelines, the former relying on prevention of initiation by a ‘leak-before-break’ approach, the latter by measures aimed at preventing fracture propagation. The effect of stable slow crack growth is discussed.
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Abstract This paper reviews the measures taken in Canada to prevent failure in oil and gas pipelines, the former relying on prevention of initiation by a ‘leak-before-break’ approach, the latter by measures aimed at preventing fracture propagation. The effect of stable slow crack growth is discussed.
openaire +1 more source
Journal AWWA, 1949
MAJOR steel water supply lines require great care in their design to provide for ability to withstand pressures safely, to support long spans adequately and to insure long life. Equal care must be given to insuring satisfactory operation of the line by providing the proper accessories at the proper places and in the proper sizes.
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MAJOR steel water supply lines require great care in their design to provide for ability to withstand pressures safely, to support long spans adequately and to insure long life. Equal care must be given to insuring satisfactory operation of the line by providing the proper accessories at the proper places and in the proper sizes.
openaire +1 more source
Journal AWWA, 1973
The Dept. of Water and Power of the City of Los Angeles is to be commended for its intensive investigation and exhaustive analyses of the failures that occurred in their second Los Angeles Aqueduct in Jan. 1970. Its desire to share the results of the investigation and analyses with the pipeline industry so that the results may be of benefit to all ...
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The Dept. of Water and Power of the City of Los Angeles is to be commended for its intensive investigation and exhaustive analyses of the failures that occurred in their second Los Angeles Aqueduct in Jan. 1970. Its desire to share the results of the investigation and analyses with the pipeline industry so that the results may be of benefit to all ...
openaire +1 more source
Ductile Fracture Prediction of Steam Pipeline Steel
Materials Science Forum, 2006Considering the conditions to which steels used for the manufacture of steam pipelines are exposed, the micromechanism of their destruction in exploitation is exclusively the ductile one. In order to make an estimation of the level of the damage that occurs in exploitation, in this paper a combined experimental and numerical procedure has been ...
Zrilić, Milorad +5 more
openaire +3 more sources
Low Temperature Creep Behaviour of Pipeline Steels
Canadian Metallurgical Quarterly, 2009AbstractRoom temperature creep behaviour of various grades of pipeline steels including X-52, X-70, X-80 and X-100 has been studied. Room temperature creep deformation was found to be strongly dependent on loading histories prior to creep loading. Pre-cold work generally increases the amount of room temperature creep deformation.
Chen, W., Zhu, H., Wang, S-H.
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Contralled Rolled Steels for Offshore Pipelines
Offshore Technology Conference, 1976ABSTRACT Controlled rolled X60, X65 and X70 steels, originally developed to meet the stringent requirements of Arctic pipelining, have been used in offshore oil and gas pipelines. The technology and application of these acicular ferrite and pearlite reduced steels, which have been used successfully in several North ...
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