Gotowe bibliografie tematyczne / 15b351

Gotowa bibliografia na temat „15b351”

Autor: Grafiati
Data publikacji: 26 lipca 2024

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Artykuły w czasopismach na temat "15b351"

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Chen, T. C., Wen Hao Chien, Yuan Tsung Wang, Ching Yuan Huang, Hung Wei Yen i Hsin Chih Lin. "Hydrogen Assisted Tempered Martensite Embrittlement of Ultra High Strength Martensitic Steel". Materials Science Forum 880 (listopad 2016): 29–32. http://dx.doi.org/10.4028/www.scientific.net/msf.880.29.

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The demand for new materials that provide excellent structural performance while reducing weight and being cost-effectively manufactured is increasing. For applications with high strength requirements, ultra-high strength steels (UHSS) have been widely used. However, with such a high strength level, UHSS are very sensitive to the hydrogen that could be ease by the tempering process. In this research, the correlation of hydrogen and tempering process on commercial UHSS 15B30 has been studied. Results show that the tensile strength (TS) of as-quenched 15B30 is about 1900MPa. After tempering treatment of the quenched 15B30, the TS decreases from 1600MPa to 1200MPa with tempering temperature increased from 200°C to 400°C. The 15B30 specimens, being subjected to hydrogen charge, exhibit the dramatic reduction of mechanical strengths.
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Bergman, Christopher A., Donald A. Miller, John F. Doershuk, Ken Duerksen i Teresa W. Tune. "Early Woodland Occupation of the Northern Bluegrass: The West Runway Site (15BE391), Boone County, Kentucky". North American Archaeologist 19, nr 1 (lipiec 1998): 13–33. http://dx.doi.org/10.2190/lf0k-u1be-e852-9wfe.

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The West Runway site (15BE391) is located in an upland setting in Boone County, Kentucky. Excavations at this locality revealed intact Early Woodland deposits including pit features containing Fayette Thick ceramics and straight stemmed Kramer projectile points. Until these investigations, Fayette Thick ceramics had not previously been recovered from non-mound locations or in isolation within undisturbed feature contexts. Several radiocarbon determinations bracket the primary occupation of the West Runway site between 770 B.C. and 390 B.C. These dates indicate that the site predates the well-known Adena culture and suggest a need for continuing refinement of the Early Woodland cultural sequence.
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Lescano, D. E., i S. P. Silvetti. "Study of Microestructure and Tempered Martensite Embrittlement in Aisi 15b41 Steel". Procedia Materials Science 1 (2012): 134–40. http://dx.doi.org/10.1016/j.mspro.2012.06.018.

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Sim, G., K. Iqbal, Y. Wang i K. N. Tandon. "Comparison of dry wear characteristics of two abrasion-resistant steels: Q/T C1095 and 15B37H". Journal of Materials Engineering and Performance 4, nr 5 (październik 1995): 558–62. http://dx.doi.org/10.1007/bf02649587.

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Triani, Rafael Magalhães, Lucas Fuscaldi De Assis Gomes, Amadeu Lombardi Neto, George Edward Totten i Luiz Carlos Casteletti. "Production and Characterization of Boride and Carbide Layers on AISI 15B30 Steel". Journal of Materials Engineering and Performance 29, nr 6 (2.03.2020): 3534–41. http://dx.doi.org/10.1007/s11665-020-04698-w.

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Volokhov, Dmitriy V., Sandra Duperrier, Alexander A. Neverov, Joseph George, Carmen Buchrieser i Anthony D. Hitchins. "The Presence of the Internalin Gene in Natural Atypically Hemolytic Listeria innocua Strains Suggests Descent from L. monocytogenes". Applied and Environmental Microbiology 73, nr 6 (12.01.2007): 1928–39. http://dx.doi.org/10.1128/aem.01796-06.

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ABSTRACT The atypical hemolytic Listeria innocua strains PRL/NW 15B95 and J1-023 were previously shown to contain gene clusters analogous to the pathogenicity island (LIPI-1) present in the related foodborne gram-positive facultative intracellular pathogen Listeria monocytogenes, which causes listeriosis. LIPI-1 includes the hemolysin gene, thus explaining the hemolytic activity of the atypical L. innocua strains. No other L. monocytogenes-specific virulence genes were found to be present. In order to investigate whether any other specific L. monocytogenes genes could be identified, a global approach using a Listeria biodiversity DNA array was applied. According to the hybridization results, the isolates were defined as L. innocua strains containing LIPI-1. Surprisingly, evidence for the presence of the L. monocytogenes-specific inlA gene, previously thought to be absent, was obtained. The inlA gene codes for the InlA protein which enables bacterial entry into some nonprofessional phagocytic cells. PCR and sequence analysis of this region revealed that the flanking genes of the inlA gene at the upstream, 5′-end region were similar to genes found in L. monocytogenes serotype 4b isolates, whereas the organization of the downstream, 3′-end region was similar to that typical of L. innocua. Sequencing of the inlA region identified a small stretch reminiscent of the inlB gene of L. monocytogenes. The presence of two clusters of L. monocytogenes-specific genes makes it unlikely that PRL/NW 15B95 and J1-023 are L. innocua strains altered by horizontal transfer. It is more likely that they are distinct relics of the evolution of L. innocua from an ancestral L. monocytogenes, as postulated by others.
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Triani, Rafael Magalhães, Lucas Fuscaldi De Assis Gomes, Amadeu Lombardi Neto, George Edward Totten i Luiz Carlos Casteletti. "Correction to: Production and Characterization of Boride and Carbide Layers on AISI 15B30 Steel". Journal of Materials Engineering and Performance 29, nr 4 (18.03.2020): 2737. http://dx.doi.org/10.1007/s11665-020-04736-7.

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Brown, David W., i Harriet L. Robinson. "Role of RAV-0 genes in the permissive replication of subgroup E avian leukosis viruses on line 15Bev1 CEF". Virology 162, nr 1 (styczeń 1988): 239–42. http://dx.doi.org/10.1016/0042-6822(88)90414-x.

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Stravalaci, Matteo, Laura Tapella, Marten Beeg, Alessandro Rossi, Pooja Joshi, Erika Pizzi, Michele Mazzanti i in. "The Anti-Prion Antibody 15B3 Detects Toxic Amyloid-β Oligomers". Journal of Alzheimer's Disease 53, nr 4 (8.08.2016): 1485–97. http://dx.doi.org/10.3233/jad-150882.

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Zhou, Jiafeng, Qunying Jin, Huazheng Peng, Hualin Ye, Quanying Qi i Tangjun Zhu. "Delaying the decline of germination ability of pecan pollen by yeast Pichia fermentans 15B1". Scientia Horticulturae 304 (październik 2022): 111301. http://dx.doi.org/10.1016/j.scienta.2022.111301.

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Rozprawy doktorskie na temat "15b351"

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Schmitz, Edmilson. "Efeito dos processos de têmpera direta e convencional na microestrutura e propriedades mecânicas dos aços 15B30 e 15BCr30". Florianópolis, SC, 2006. http://repositorio.ufsc.br/xmlui/handle/123456789/88257.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Ciência e Engenharia de Materiais
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Neste trabalho estudou-se comparativamente o processo de têmpera direta (laminação a quente, têmpera logo após a laminação e revenido) com o processo de têmpera convencional para verificar a possibilidade de substituição da têmpera convencional pela têmpera direta no processo de fabricação de garras de sapata. Para tal estudou-se o efeito das condições de laminação em dois tipos de aço empregados e em dois perfis de garras. Foram avaliados os efeitos da adição de cromo em aços ao boro e da velocidade de resfriamento. O efeito do cromo foi estudado devido a se empregar aços com a mesma composição básica, sendo um com maior adição de cromo. O efeito da velocidade de resfriamento foi avaliado em função dos perfis a serem analisados que diferem em suas dimensões. Portanto, as variáveis consideradas foram as condições microestruturais da austenita prévia, o perfil das garras e o efeito do cromo em aços ao boro. Como objetivos adicionais teve-se a possibilidade de redução no custo do produto - pois na METISA, um estudo mostrou ser possível a redução em pelo menos 6% no custo final de uma garra, com a utilização da têmpera direta em substituição à têmpera convencional - melhorar a qualidade das garras e estudar o processo de laminação da METISA. In this work, is made a comparative study of the direct quenching process (hot rolling, quenching immediately after rolling and tempering) with the conventional process to determine the possibility of substituing conventional quenching process by the direct quenching process for the manufacturing of grouser bars. The effect of the rolling conditions was studied for two types of steel used in two grouser bar profiles. The effect of chromium addition to boron steel were evaluated as well as the cooling rate. The effect of chromium was studied for steels with the same basic composition but one with a higher addition of chromium as a function of the profile to be analysed that differs in its measurements. The variables considered were the amount retained of austenite in the microestruture, the grouser bar profiles and the effect of the chromium in boron steel. As additional objectives there is the possibility of reducing the cost of the product - because a study made by METISA showed that it is possible to reduce the final cost of a grouser bar by at least 6% by substituing the conventional quenching process by the direct quenching process. This would improve the quality of the grousers and improve the rolling process at METISA.
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Preti, Itamar. "Estudo do efeito das temperaturas de austenitização e de revenido na resistência e tenacidade do aço SAE 15B30". Florianópolis, SC, 2008. http://repositorio.ufsc.br/xmlui/handle/123456789/92122.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-graduação em Ciência e Engenharia de Materiais
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Neste trabalho estudou-se o efeito da temperatura de austenitização e da temperatura de revenido, bem como o efeito do desempeno (deformação a frio após revenido) e do resfriamento após revenido, na tenacidade e resistência do aço SAE 15B30, visando caracterizar condições de ocorrência do fenômeno de fragilidade da martensita revenida. Este tipo de fragilidade é observado em aços de baixa liga de alta resistência quando temperados e revenidos em temperaturas entre 250 e 400ºC por curto tempo (2 horas) [3, 4, 6]. Os diferentes ciclos de tratamento térmico utilizados incluíram temperaturas de austenitização entre 800 e 920ºC e temperatura de revenido entre 200 e 450ºC, com variação do tempo de revenido de 2 á 72 horas. A melhor relação de tenacidade e dureza foi alcançada com temperatura de austenitização de 880ºC e temperatura de revenido de 200 e 250ºC por tempo de revenido de 2 e 24 horas. O resultado consistiu na identificação das condições de tratamento térmico que permitem a obtenção da dureza especificada com nível de tenacidade dos produtos fabricados com este material.
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Corry, R. A. "Modelling the seasonal variation of the Florida current". Thesis, University of Oxford, 1985. http://ora.ox.ac.uk/objects/uuid:644edc47-15b5-491f-a2a3-a2c25c864791.

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The linear response of a two layer ocean model to a periodic wind stress curl in the presence of bottom topography has been investigated. For periods much less than the time taken for the wind generated baroclinic Rossby waves to pass over the topography (i.e. 'short' periods), the ocean response is primarily that for a homogeneous ocean and thus strongly modified by topography. For periods much longer than this time (i.e. 'long' periods), the Rossby waves compensate for the effect of topography and the non-topographic Sverdrup balance holds. For the Atlantic at 25°N, the long period limit is of the order of years to decades, so at annual period the non-topographic Sverdrup balance is not applicable. Variations in transport can be forced by a wind stress over varying topography, and by the passage of a coastal baroclinic Kelvin wave over varying topography. The relative importance of the above dynamical considerations for the Florida Current can only be determined from a model calculation involving realistic winds, topography and geography. Such a model calculation has been done with observed Bunker wind stress over a two layer ocean. The predicted variation has a Summer maximum and a Fall minimum, in agreement with the measurements of Niiler and Richardson [1973] and more recent STACS data. The one layer model has been forced by monthly means of ATOLL wind stress for the years 1981-1984. The predicted variation was found not to be in agreement with concurrent STACS measurements. A comparison was made between the Bunker winds and the ATOLL winds via various diagnostics. It was found that the meridional component of the wind, which is crucial to the overall Bunker Summer maximum, is of much reduced importance for the ATOLL winds. This could account for the lack of predicted Summer maxima.
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Hancock, Clare Elizabeth. "Neural Principles Underlying Learning and Memory in Drosophila melanogaster". Doctoral thesis, 2021. http://hdl.handle.net/21.11130/00-1735-0000-0005-15B1-B.

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Epple, Robert. "The Synaptic RNAome - identification, interactions and intercellular transfer". Thesis, 2021. http://hdl.handle.net/21.11130/00-1735-0000-0005-15B3-9.

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Książki na temat "15b351"

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Bleher, Pavel. Random matrices and the six-vertex model. Providence, Rhode Island, USA: American Mathematical Society, 2014.

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Tao, Terence. Topics in random matrix theory. Providence, R.I: American Mathematical Society, 2012.

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Pastur, L. A. Eigenvalue distribution of large random matrices. Providence, R.I: American Mathematical Society, 2011.

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Random Matrices AMS Short Course. Modern aspects of random matrix theory: AMS Short Course, Random Matrices, January 6-7, 2013, San Diego, California. Redaktor Vu, Van, 1970- editor of compilation. Providence, Rhode Island: American Mathematical Society, 2014.

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Russia) St. Petersburg School in Probability and Statistical Physics (2012 Saint Petersburg. Probability and statistical physics in St. Petersburg: St. Petersburg School in Probability and Statistical Physics : June 18-29, 2012 : St. Petersburg State University, St. Petersburg, Russia. Redaktorzy Sidoravicius Vladas i Smirnov S. (Stanislav) 1970-. Providence, Rhode Island: American Mathematical Society, 2015.

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Saff, E. B., Douglas Patten Hardin, Brian Z. Simanek i D. S. Lubinsky. Modern trends in constructive function theory: Conference in honor of Ed Saff's 70th birthday : constructive functions 2014, May 26-30, 2014, Vanderbilt University, Nashville, Tennessee. Providence, Rhode Island: American Mathematical Society, 2016.

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Guionnet, Alice. Asymptotics of Random Matrices and Related Models: The Uses of Dyson-Schwinger Equations. American Mathematical Society, 2019.

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Szarek, Stanislaw J., i Guillaume Aubrun. Alice and Bob Meet Banach: The Interface of Asymptotic Geometric Analysis and Quantum Information Theory. American Mathematical Society, 2017.

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Combinatorics and Random Matrix Theory. American Mathematical Society, 2016.

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Algebraic And Geometric Aspects Of Integrable Systems And Random Matrices Ams Special Session Algebraic And Geometric Aspects Of Integrable Systems And Random Matrices January 67 2012 Boston Ma. American Mathematical Society, 2013.

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Części książek na temat "15b351"

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"Fatigue Fracture of a 15B41 Steel Connecting-Rod Cap". W ASM Failure Analysis Case Histories: Automobiles and Trucks. ASM International, 2019. http://dx.doi.org/10.31399/asm.fach.auto.c0046182.

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Streszczenia konferencji na temat "15b351"

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Triani, Rafael Magalhães, Lucas Fuscaldi De Assis Gomes, Luiz Carlos Casteletti, Amadeu Lombardi Neto i George Edward Totten. "Production and Characterization of Boride and Carbide Layers on AISI 15B30 Steel". W HT2019. ASM International, 2019. http://dx.doi.org/10.31399/asm.cp.ht2019p0200.

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Abstract In this work, boriding and Thermo-reactive Deposition (TRD) treatments for the production of boride and both vanadium and niobium carbide layers were performed on the substrates of AISI 15B30 steel to evaluate properties such as hardness, adhesive wear resistance, surface adhesion and chemical compounds present in the layers. For this purpose, layers were characterized by optical microscope, Knoop microhardness, microadhesive wear test, Rockwell C indentation adhesion according to VDI 3198 and X-ray diffraction. The results showed layers with high hardness (1400 - 2500 HK), greater microadhesive wear resistance (up to 15 times higher) when compared to the substrate and excellent delamination resistance.
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Schmitz, Edmilson, i Carlos Augusto Silva de Oliveira. "EFEITO DA TÊMPERA DIRETA E CONVENCIONAL NA MICROESTRUTURA E PROPRIEDADES MECÂNICAS DE GARRAS PARA RECUPERAÇÃO DE SAPATAS EM AÇO 15B30 e 15BCr30". W 63º Congresso Anual da ABM. São Paulo: Editora Blucher, 2008. http://dx.doi.org/10.5151/2594-5327-0377.

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