Добірка наукової літератури з теми "J-correlation"

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Статті в журналах з теми "J-correlation"

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Brüschweiler, R. "Cross-correlation-induced J coupling." Chemical Physics Letters 257, no. 1-2 (1996): 119–22. http://dx.doi.org/10.1016/0009-2614(96)00535-0.

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Сорочан, Анатолий Григорьевич, Дмитрий Александрович Добряк, and Оксана Анатольевна Добряк. "Doppler direction finder J-correlation processing." Eastern-European Journal of Enterprise Technologies 6, no. 9(66) (2013): 4. http://dx.doi.org/10.15587/1729-4061.2013.19003.

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Handa, Toshihiro, Takahiro Yoda, Kotaro Kohno, et al. "AMANOGAWA-2SB survey: a northern galactic plane survey in 12CO (J = 2 − 1) and 13CO (J = 2 − 1) with the Amanogawa telescope." Proceedings of the International Astronomical Union 8, S292 (2012): 102. http://dx.doi.org/10.1017/s1743921313000628.

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AbstractWe performed 12CO(J = 2 − 1) and 13CO(J = 2 − 1) line surveys of the galactic plane using the AMANOGAWA telescope (Nakajima et al. 2007) which covers 5° ≤ l ≤ 180° on a 7'.5 grid. The telescope beamsize and velocity resolution are 8.7′ ± 0.4′ and 1.3 km s−1. The resultant rms noise level is typically 0.12 K in TA*. We found a linear correlation between 12CO(J = 2 − 1) and 12CO(J = 1 − 0) and a curved correlation between 12CO(J = 2 − 1) and 13CO (J = 2 − 1), although the intensity ratios of these three lines have intrinsic variation. These correlations can be reproduced with simple radi
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Brouard, M., H. Chadwick, C. J. Eyles, F. J. Aoiz, and J. Kłos. "The k-j-j′ vector correlation in inelastic and reactive scattering." Journal of Chemical Physics 135, no. 8 (2011): 084305. http://dx.doi.org/10.1063/1.3625637.

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Sorochan, Anatolii, Marcin Pawęska, and Volodymyr Kharchenko. "Radio altimeter with J-correlation signal processing." Logistics And Transport 61, no. 1 (2024): 92. http://dx.doi.org/10.26411/83-1734-2015-2-56-16-24.

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Tian, Jianxiang, Cuihua Zhang, Laibin Zhang, Mengmeng Zheng, and Shuzhen Liu. "Corresponding state-based correlations for the temperature-dependent surface tension of saturated hydrocarbons." Modern Physics Letters B 31, no. 28 (2017): 1750259. http://dx.doi.org/10.1142/s0217984917502591.

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Based on the recent progresses on the corresponding state-based correlations for the temperature-dependent surface tension of saturated fluids [I. Cachadiña, A. Mulero and J. X. Tian, Fluid Phase Equilibr. 442 (2017) 68; J. X. Tian, M. M. Zheng, H. L. Yi, L. B. Zhang and S. Z. Liu, Mod. Phys. Lett. B 31 (2017) 1750110], we proposed a new correlation for saturated hydrocarbons. This correlation includes three fluid-independent parameters and inquires the critical temperature, the triple-point temperature and the surface tension at the triple-point temperature as inputs for each hydrocarbon. Res
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Lytvynov, Eugene. "Determinantal point processes with $J$-Hermitian correlation kernels." Annals of Probability 41, no. 4 (2013): 2513–43. http://dx.doi.org/10.1214/12-aop795.

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Torres, A. M., T. T. Nakashima, and R. E. D. Mcclung. "J-Compensated Proton-Detected Heteronuclear Shift-Correlation Experiments." Journal of Magnetic Resonance, Series A 102, no. 2 (1993): 219–27. http://dx.doi.org/10.1006/jmra.1993.1094.

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Kharkar, Abhijeet, D. M. Hasibul Hasan, Philip Polgreen, Alberto Segre, Daniel Sewell, and Sriram Pemmaraju. "Naturally Emerging Cohorting Behavior of Healthcare Workers and Its Implications for Disease Spread." Infection Control & Hospital Epidemiology 41, S1 (2020): s329—s330. http://dx.doi.org/10.1017/ice.2020.932.

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Background: Mobility patterns of healthcare workers (HCWs) (ie, the spatiotemporal distribution of patient rooms they visit) have a significant impact on the spread of healthcare acquired infections (HAIs). Objective: In this project, we used fine-grained data from a sensor deployment at the medical intensive care unit (MICU) in the University of Iowa Hospitals and Clinics (UIHC) to study the mobility patterns of HCWs and their impact on HAI spread. Methods: We analyzed 10 days of data from a 20-bed MICU sensor deployment. For parameters t1 and t2, each pair of rooms i and j is assigned a weig
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PK, M. A. Bkar, M. A. K. Azad, and M. S. A. Sarker. "Decay of Dusty Fluid MHD Turbulence for Four-point Correlation in a Rotating System." Journal of Scientific Research 5, no. 1 (2012): 77–90. http://dx.doi.org/10.3329/jsr.v5i1.9996.

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In this paper we have considered the dusty fluid MHD turbulence in a rotating system at four-point correlation. Here three and four-point correlations between fluctuating quantities have been considered and the quintuple correlations are neglected in comparison to the third and fourth order correlations. For the convention of calculation, the correlation equations are converted to the spectral form by taking their Fourier transforms. Finally, integrating the energy spectrum over all wave numbers, the energy decay of dusty fluid MHD turbulence in a rotating system for four-point correlation sys
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Дисертації з теми "J-correlation"

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Jiang, Yanxia. "MEASUREMENT OF J-INTEGRAL VALUES OF DENTAL CERAMICS BY DIGITAL IMAGE CORRELATION." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1453880114.

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Ilyin, O. I. "Correlation method of height measurement." Thesis, National Aviation University, 2021. https://er.nau.edu.ua/handle/NAU/50477.

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1. Sorochan A. G. Correlation radio rangefinder. Technology and design in electronic equipment. 2005. No. 1 P. 18-21. 2. Sorochan A. G., Dobryak D. A., Zabolotny E. V. Correlation radio rangefinder. Bulletin of the National Technical University of Ukraine «KPI». 2012. Vol. 49 P. 94-102.<br>In conditions of increasing intensity of air traffic, the performance of safe and regular flights of aircraft requires the use of high-precision means of measuring low altitudes. The most common are three methods of measuring height: amplitude, frequency and phase. In recent years, the J-correlation method
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Barhli, Selim Matthias. "Advanced quantitative analysis of crack fields, observed by 2D and 3D image correlation, volume correlation and diffraction mapping." Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:d6240241-8a1e-4a8e-aff0-4a2ef14b0da7.

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This thesis is concerned with the evaluation, in-situ, of the elastic strain energy release rate of cracks. This can define the criteria for crack propagation, and it is usually necessary to obtain this via calculation from the geometry and applied load. A new method is proposed, based on the conjoint use of digital image correlation to measure full-field displacements and finite element to extract the strain energy release rate of surface cracks. It has been extended to 3-D datasets with the use of digital volume correlation and tomographic imaging. A finite element model with imported full-f
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Schumann, Frank O. [Verfasser], J. [Akademischer Betreuer] Kirschner, W. [Akademischer Betreuer] Widdra, and C. [Akademischer Betreuer] Back. "Studying the electron-electron correlation by pair emission from surfaces / Frank O. Schumann. Betreuer: J. Kirschner ; W. Widdra ; C. Back." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2012. http://d-nb.info/1025351878/34.

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Schilling, Franz [Verfasser], Steffen J. [Akademischer Betreuer] Glaser, Silvio [Akademischer Betreuer] Aime, and Axel [Akademischer Betreuer] Haase. "Novel Methods for NMR - Single-SHOT Correlation Spectroscopy and Diffusion of 13C-Metabolites utilizing both Hyperpolarization and Optimal Control / Franz Schilling. Gutachter: Silvio Aime ; Steffen J. Glaser ; Axel Haase. Betreuer: Steffen J. Glaser." München : Universitätsbibliothek der TU München, 2013. http://d-nb.info/1034420852/34.

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Zinkevich, Tatiana [Verfasser], K. [Akademischer Betreuer] Saalwächter, J. [Akademischer Betreuer] Balbach, and B. [Akademischer Betreuer] Luy. "Solid-state NMR relaxation studies of internal protein dynamics over a wide correlation time range / Tatiana Zinkevich. Betreuer: K. Saalwächter ; J. Balbach ; B. Luy." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2014. http://d-nb.info/104968754X/34.

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He, Pei [Verfasser], and H. J. [Akademischer Betreuer] Seifert. "On the structure-property correlation and the evolution of Nanofeatures in 12-13.5% Cr oxide dispersion strengthened ferritic steels / Pei He. Betreuer: H. J. Seifert." Karlsruhe : KIT-Bibliothek, 2013. http://d-nb.info/104495616X/34.

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Beerwerth, Randolf [Verfasser], Stephan [Gutachter] Fritzsche, J. Gutachter] Bieron, and Tomas [Gutachter] [Brage. "Electron correlation in relativistic multiconfiguration calculations of isotope shift parameters, hyperfine coupling constants and atomic processes / Randolf Beerwerth ; Gutachter: Stephan Fritzsche, J. Bieron, Tomas Brage." Jena : Friedrich-Schiller-Universität Jena, 2019. http://d-nb.info/1206542586/34.

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León, Albiter Noel. "On the fracture behavior of ductile polymer films : notch quality, essential work of fracture, J-integral, and crack tip opening displacement." Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/565501.

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Анотація:
Polymers have a wide range of applications. Their ability to be shaped into multiple forms makes it possible to obtain polymer films, which are highly used in industries such as food and pharmaceuticals. Characterization of polymer films using the classical mechanical properties is well-defined; however, this is not the case for the fracture properties. The overall aim of this work was to analyze in full-detail the fracture behavior of ductile polymer films by applying the appropriate fracture mechanics approaches. The first part of the thesis aimed to investigate the existing relationships
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Phillips, Stephen Paul. "Discriminant Analysis of XRF Data from Sandstones of Like Facies and Appearance: A Method for Identifying a Regional Unconformity, Paleotopography,and Diagenetic Histories." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3373.

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The placement of an unconformable surface within a stratal succession affects the interpreted thickness of units and sequences in contact with that surface. Unit thickness influences the interpretation of basin subsidence, paleotopography, diagenesis, and depositional style. Accurate placement of an unconformity results in true formational thicknesses for formations associated with that unconformity. True thicknesses aid in producing more precise surface to subsurface correlations, isopach maps, and paleogeographic maps. An unconformity may be difficult to identify in the stratal succession du
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Книги з теми "J-correlation"

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Conant, James K., and Peter J. Balint. The Life Cycles of the Council on Environmental Quality and the Environmental Protection Agency. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780190203702.001.0001.

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In 1970, due to increasing public concern about the environment, a dramatic series of bipartisan actions were taken to expand the national government's efforts to control pollutants. In that year, the Congress and President Nixon established two key federal agencies to address the nation's growing environmental problems: the Council on Environmental Quality (CEQ) and the Environmental Protection Agency (EPA). But despite this initial recognition of the pressing problems presented by environmental degradation, support for related policymaking and administration waxed and waned over the next thi
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Частини книг з теми "J-correlation"

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Mueller, Leonard J. "J-Based NMR Correlation Spectroscopy of Biological Solids." In Encyclopedia of Biophysics. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-16712-6_813.

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Blacher, R. "Coefficients de correlation d'ordre (I,J) et variances d'ordre I." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/bfb0076578.

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Indelicato, P., A. M. Mårtensson-Pendrill, W. Quint, and J. P. Desclaux. "Correlation and Relativistic Effects on Landé g J Factors of Atomic Ions." In Atomic Physics at Accelerators: Stored Particles and Fundamental Physics. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-007-0946-1_21.

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Wang, Xueqiang, Liming Peng, and Siping Li. "Plastic Constitutive Relation for Improving the Calculation Accuracy of Mechanical Performance of Die-Cast Al-Si Aluminium Alloy Products." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_69.

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AbstractWith the interaction in automobile manufacturing technology, products made of integrated die-cast aluminum alloy are becoming more and more widespread. However, engineers frequently ignore the impact of structural features on mechanical properties when utilizing simulation software to determine a product's strength, and current constitutive models do not account for structural flaw studies. To examine the correlation between structural flaws and mechanical properties of the die-cast aluminum alloy, quasi-static tensile tests were performed on JDA1b alloy specimens. The defect rates wer
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Mathai, Arak M., Serge B. Provost, and Hans J. Haubold. "Canonical Correlation Analysis." In Multivariate Statistical Analysis in the Real and Complex Domains. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95864-0_10.

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AbstractWe will keep utilizing the same notations in this chapter. More specifically, lower-case letters x, y, … will denote real scalar variables, whether mathematical or random. Capital letters X, Y, … will be used to denote real matrix-variate mathematical or random variables, whether square or rectangular matrices are involved. A tilde will be placed above letters such as $$\tilde {x},\tilde {y},\tilde {X},\tilde {Y}$$ x ~ , y ~ , X ~ , Y ~ to denote variables in the complex domain. Constant matrices will for instance be denoted by A, B, C. A tilde will not be used on constant matrices unl
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Ogata, M. "Variational Wave Functions in the One-Dimensional t-J Model for Strongly Correlated Regimes." In Correlation Effects in Low-Dimensional Electron Systems. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85129-2_12.

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Zinn-Justin, Jean. "Perturbative quantum field theory (QFT): Algebraic methods." In Quantum Field Theory and Critical Phenomena. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198834625.003.0007.

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This chapter discusses systematically the algebraic properties of perturbation theory in the example of a local, relativistic scalar quantum field theory (QFT). Although only scalar fields are considered, many results can be easily generalized to relativistic fermions. The Euclidean formulation of QFT, based on the density matrix at thermal equilibrium, is studied, mainly in the simpler zero-temperature limit, where all d coordinates, Euclidean time and space, can be treated symmetrically. The discussion is based on field integrals, which define a functional measure. The corresponding expectat
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Bax, Ad, Geerten W. Vuister, Stephan Grzesiek, et al. "[2] Measurement of homo- and heteronuclear J couplings from quantitative J correlation." In Methods in Enzymology. Elsevier, 1994. http://dx.doi.org/10.1016/s0076-6879(94)39004-5.

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Tyson, W. R., S. Xu, and R. Bouchard. "Correlation between J and CVN in upper shelf." In From Charpy To Present Impact Testing. Elsevier, 2002. http://dx.doi.org/10.1016/s1566-1369(02)80036-x.

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Goldman, Maurice. "Shift Correlation Spectroscopy." In Quantum Description of High-Resolution NMR in Liquids. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198556527.003.0007.

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Abstract Shift correlation Spectroscopy is one of the most important methods of 2D NMR spectroscopy. Its purpose is to correlate the chemical shifts of spins between which there exists an indirect interaction, that is which belong to the same molecule and are not too far apart. It is usually referred to under the generic name of COSY (for Correlation SpectroscopY). As for J spectroscopy, it exists in two versions: homonuclear and heteronuclear. Although the excitation sequence is remarkably simple, especially in the homonuclear version, the theoretical calculations turn out to be among the mos
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Тези доповідей конференцій з теми "J-correlation"

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Metry, Andro, J. V. R. Prasad, and David A. Peters. "A Velocity Potential-Based Finite State Model for Ground Effect Analysis." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-135.

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A velocity potential-based finite state model (VPBFSM) has been developed to analyze an isolated rotor in ground effect. The model uses mass source distributions to represent the ground and enforces the non-penetration of flow boundary condition. In previous VPBFSM approaches to impose this boundary condition, the r = j terms were excluded to avoid singularities. This exclusion required adjustments to the source strengths and ground rotor size in order to impose the boundary condition properly, which reduced the model’s robustness. In the present study, the r = j terms are incorporated using a
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Kapusta, Sergio D., and Steve C. Canter. "Corrosion Control in CO2 Enhanced Oil Recovery." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94010.

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Abstract This paper summarizes Shell’s experience with corrosion and corrosion control at the Little Creek Field (Mississippi) CO2 enhanced oil recovery project. Severe corrosion of low alloy steel tubulars, wellheads and pig launching facilities, and 12 Cr stainless steel tubulars, was experienced in wells producing large volumes of gas and liquids. 13 Cr wellheads were not affected. The worst damage was found in the top 1/3 of the tubing strings. A good correlation was found between high corrosion rates and chromium content of the steel. Steel containing on average 0.6 to 0.8 % Cr, was more
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Ding, Yuan, Lianlian Liu, Sebastian Cravero, Bostjan Bezensek, and Raymundo Case. "The Development of Eta Function for the Calculation of J-Integral Based on Notch Tensile Testing in Sulfide Stress Cracking (SSC) Susceptibility Evaluation." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-18000.

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Abstract A new methodology to evaluate the SSC susceptibility of high strength low alloy carbon steels (HSLA) based on a round notched tensile slow strain rate (NTSSRT) method was introduced and discussed by the authors in CORROSION 20211. This novel method provides an economic and more efficient way of evaluating SSC susceptibility of high strength carbon steels compared to the traditional DCB test2 or other fracture mechanics test methods. The approach unitizes round notch tensile specimen under slow strain rate tested in situ in sour environment. The post-processing of the tensile test resu
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Petersen, T. A., and S. R. Taylor. "The Effects of Sulfate Reducing Bacteria on Stainless Steel and Ni-Cr-Mo Alloy Weldments." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95203.

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Abstract Previous research in this laboratory demonstrated a direct correlation between alloy composition and corrosion susceptibility of stainless steel and Ni-Cr-Mo alloy weldments exposed to lake water augmented with sulfate reducing bacteria (SRB). It was shown that lake water containing an active SRB population reduced the polarization resistance (Rp) on all alloys studied including those with 9% Mo. In addition, preliminary evidence indicated that edge preparation and weld heat input were also important parameters in determining corrosion performance. This prior research, however, looked
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Sorochan, Anatolii, and Vladimir Kharchenko. "Radio altimeter with J-correlation signal processing." In 2023 IEEE International Conference on Information and Telecommunication Technologies and Radio Electronics (UkrMiCo). IEEE, 2023. http://dx.doi.org/10.1109/ukrmico61577.2023.10380409.

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Titkov, V. V., S. V. Panin, A. V. Eremin, A. A. Kozulin, and P. S. Lyubutin. "Algorithm for J-integral measurement by digital image correlation method." In PROCEEDINGS OF THE ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. Author(s), 2018. http://dx.doi.org/10.1063/1.5083548.

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Skurikhin, Alexei N., and Alvin J. Surkan. "A parallel correlation-based algorithm in J learns neural network connections." In the international conference. ACM Press, 1994. http://dx.doi.org/10.1145/190271.190309.

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Tandon, Samarth, Ming Gao, Ravi Krishnamurthy, Richard Kania, and Gabriela Rosca. "Estimating J-R Curve From CVN Upper Shelf Energy and its Application." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64618.

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Accuracy in predictions of burst pressures for cracks in pipelines has significant impact on the pipeline integrity management decisions. One of the fracture mechanics models used for failure pressure prediction is API 579 Level 3 FAD ductile tearing instability analysis that requires J-R curves, i.e., crack resistance curves, for the assessment. However, J-R curves are usually unavailable for most pipelines. To overcome this technical barrier, efforts have been made to estimate the J-R curve indirectly from commonly available toughness data, such as the Charpy V-notched Impact Energy CVN valu
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Siegele, Dieter, Jo¨rg Hohe, and Gerhard Nagel. "On the Correlation of Crack Resistance Curves on Upper Shelf Energy for German RPV Steels." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26583.

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J-crack resistance (J-R) curves, numerically determined and based on correlation formulas with the upper shelf energy level (USE) of the Charpy transition curve have been compared with measured J-R curves for German RPV steels, determined from single specimen tests. The USE were determined as mean values of the results above 95% ductile fracture appearance, as available from usual application in irradiation surveillance programs and averaging the temperature effect. The J-R curves numerically determined by the Gurson material model give a good representation of the measured crack resistance cu
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Roy, Krishanu, Srijani Ghosh, and Nanda Kumar Ghosh. "Hole correlation and thermodynamic properties of the 2D t-t'-t''-J model." In NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0061912.

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Звіти організацій з теми "J-correlation"

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Shim, D. J., Gery Wilkowski, Mohammed Uddin, Sureshkumar Kalyanam, and P. Mincer. PR-276-094509-R01 Develop Fracture Initiation Criteria for High-Strength Steel Line Pipe Phase II. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010072.

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Анотація:
This report summarizes the major findings from a PRCI Project on developing fracture initiation criteria for axial flaws (both through-wall and surface flaws) in high-strength line-pipe materials. This work was originally done on the basis to see if improvements were needed for higher-grade steels, but interestingly there were several outcomes that affect predictions for all piping steels. One of the outcomes of this work is a new correlation between Charpy USE and J-R curve for high-strength materials. Although it is based on limited data, it was demonstrated that there is significant differe
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2

Schuster, Gadi, and David Stern. Integrated Studies of Chloroplast Ribonucleases. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697125.bard.

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Анотація:
Gene regulation at the RNA level encompasses multiple mechanisms in prokaryotes and eukaryotes, including splicing, editing, endo- and exonucleolytic cleavage, and various phenomena related to small or interfering RNAs. Ribonucleases are key players in nearly all of these post-transcriptional mechanisms, as the catalytic agents. This proposal continued BARD-funded research into ribonuclease activities in the chloroplast, where RNase mutation or deficiency can cause metabolic defects and is often associated with plant chlorosis, embryo or seedling lethality, and/or failure to tolerate nutrient
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3

Travis, Amanda, Margaret Harvey, and Michelle Rickard. Adverse Childhood Experiences and Urinary Incontinence in Elementary School Aged Children. University of Tennessee Health Science Center, 2021. http://dx.doi.org/10.21007/con.dnp.2021.0012.

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Purpose/Background: Adverse Childhood Experiences (ACEs) have an impact on health throughout the lifespan (Filletti et al., 1999; Hughes et al., 2017). These experiences range from physical and mental abuse, substance abuse in the home, parental separation or loss, financial instability, acute illness or injury, witnessing violence in the home or community, and incarceration of family members (Hughes et al., 2017). Understanding and screening for ACEs in children with urinary incontinence can help practitioners identify psychological stress as a potentially modifiable risk factor. Methods: A 5
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4

Riley, Mark, and Akis Pipidis. The Mechanical Analogue of the "Backbending" Phenomenon in Nuclear-structure Physics. Florida State University, 2008. http://dx.doi.org/10.33009/fsu_physics-backbending.

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Анотація:
This short pedagogical movie illustrates an effect in nuclear physics called backbending which was first observed in the study of the rotational behavior of rapidly rotating rare-earth nuclei in Stockholm, Sweden in 1971. The video contains a mechanical analog utilizing rare-earth magnets and rotating gyroscopes on a turntable along with some historic spectra and papers associated with this landmark discovery together with its explanation in terms of the Coriolis induced uncoupling and rotational alignment of a specific pair of particles occupying high-j intruder orbitals. Thus backbending rep
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5

Krishnaswamy and Wilkowski. L51474 Brittle Fracture Initiation of Heavy-Wall Components. Pipeline Research Council International, Inc. (PRCI), 1985. http://dx.doi.org/10.55274/r0010225.

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Анотація:
Pipeline valve bodies, fittings, flanges, and numerous other components are typically made of cast or forged low-alloy steels. The large wall thicknesses necessitated by the complex shapes of these components usually are not conducive to ductile fracture behavior. Nevertheless, there is a distinct need to have sufficient toughness in such components so that they will not be susceptible to catastrophic failure from defects that may remain after manufacturing and hydrostatic testing. The present practice for controlling toughness in such components consists of specifying arbitrary values of Char
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