Results 181 to 190 of about 115,113 (227)
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Alloy Digest, 1981
Abstract AISI Type H12 is a general-purpose, low-carbon, chromium-molybdenum-tungsten hot-work steel for tools and dies that require high toughness. It has high hardenability and offers high resistance to softening in service at elevated temperatures. It also offers good resistance to heat checking and may be water cooled in service.
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Abstract AISI Type H12 is a general-purpose, low-carbon, chromium-molybdenum-tungsten hot-work steel for tools and dies that require high toughness. It has high hardenability and offers high resistance to softening in service at elevated temperatures. It also offers good resistance to heat checking and may be water cooled in service.
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H12 Royal rashes: a potted dermatology history in the British monarchy
British Journal of Dermatology, 2023Abstract Skin diseases have affected a significant proportion of the population throughout history, royalty being no exception. On reviewing monarchs over the centuries, underlying health conditions can be gleaned from their reported skin conditions and physical appearance.
Charlotte Wolfe, Rachel Fisher
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nπ Transitions in tetramethyl-1,3-cyclobutanedithione-h12 and -d12
Journal of Molecular Spectroscopy, 1980Abstract The polarized low-temperature crystal absorption spectra of tetramethyl-1,3-cyclobutanedithione-h12 and -d12 have been measured in the visible region, and nπ ∗ excited states identified as follows: 3Au with origin ( h 12 d 12 ) at 16 829 16 836 cm −1 ; 1Au and 1B10 with nearly degenerate origins near ...
Robert D Gordon +2 more
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An Overview of the H12 Performance Assessment in Perspective
MRS Proceedings, 2002ABSTRACTThe H12 performance assessment (PA) provided a test for the robustness of a HLW repository system concept based on structured siting and design, taking account of a wide range of potentially suitable Japanese geological environments. The generic nature of the host rock in the H12 assessment means, however, that emphasis is placed verymuch on ...
Kaname Miyahara +8 more
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Ostéochondrite primitive H12 de hanche
Journal de Pédiatrie et de Puériculture, 1993Resume L'osteochondrite primitive de hanche, egalement appelee maladie de Legg-Perthes-Calve, est une necrose d'origine ischemique du noyau epiphysaire femoral superieur associee a des degres divers a une atteinte du cartilage de croissance cervico-cephalique.
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H12 Colostomy Closure in Anorectal Malformation
2013The proximal stoma is packed with Betadine-soaked packing gauze. Multiple 5-0 silk sutures are placed at the mucocutaneous junction around both limbs of the stoma to allow for uniform traction (Fig. 1). An elliptical wedge-type incision is made around the two stomas and carried down through skin, subcutaneous tissue, aponeurosis, muscle and ...
Andrea Bischoff +2 more
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Application of Supplementary Safety Indicators for H12 Performance Assessment
MRS Proceedings, 2000ABSTRACTThe safety of a geological disposal system can be assessed using defined indicators such as risk and dose level, which directly measure radiological effects on human beings. Since the safety assessment of a geological disposal system covers a very long period of time, there are inherent uncertainties involved in assumptions about future human ...
A. Takasu, M. Naito, H. Umeki, S. Masuda
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Ballistic response of double layered 1100-H12 aluminium hemispherical shell structure
Thin-Walled Structures, 2020Abstract The ballistic resistance and energy absorption characteristics of the thin hemispherical shells were evaluated against ogive and blunt nosed projectile impact with varying span and configuration of the shell. The span diameter of the 1100-H12 aluminium shell was varied as 68, 100, 150 and 200 mm whereas the configuration of the shell was ...
Tiwari, G +4 more
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Key Aspects of the H12 Safety Case
MRS Proceedings, 2000ABSTRACTIn Japan, as outlined in the overall high-level radioactive waste (HLW) management program defined by the Japanese Atomic Energy Commission (AEC, 1994), HLW from reprocessing of spent nuclear fuel will be immobilized in a glass matrix and stored for a period of 30 to 50 years to allow cooling.
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