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Thematische Bibliographien / Proton centre

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Zeitschriftenartikel
Dissertationen
Bücher
Buchteile
Konferenzberichte
Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „Proton centre“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 11. Februar 2022

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Zeitschriftenartikel zum Thema "Proton centre"

1

McKenna, Paul, Filip Lindau, Olle Lundh, David Neely, Anders Persson und Claes-Göran Wahlström. „High-intensity laser-driven proton acceleration: influence of pulse contrast“. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 364, Nr. 1840 (25.01.2006): 711–23. http://dx.doi.org/10.1098/rsta.2005.1733.

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Proton acceleration from the interaction of ultra-short laser pulses with thin foil targets at intensities greater than 10 18 W cm −2 is discussed. An overview of the physical processes giving rise to the generation of protons with multi-MeV energies, in well defined beams with excellent spatial quality, is presented. Specifically, the discussion centres on the influence of laser pulse contrast on the spatial and energy distributions of accelerated proton beams. Results from an ongoing experimental investigation of proton acceleration using the 10 Hz multi-terawatt Ti : sapphire laser (35 fs, 35 TW) at the Lund Laser Centre are discussed. It is demonstrated that a window of amplified spontaneous emission (ASE) conditions exist, for which the direction of proton emission is sensitive to the ASE-pedestal preceding the peak of the laser pulse, and that by significantly improving the temporal contrast, using plasma mirrors, efficient proton acceleration is observed from target foils with thickness less than 50 nm.

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2

Heinz, Günther. „First steps to proton therapy centre“. Lancet Oncology 1, Nr. 4 (Dezember 2000): 202. http://dx.doi.org/10.1016/s1470-2045(00)00144-3.

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3

Junge, Wolfgang, Michael Haumann, Ralf Ahlbrink, Armen Mulkidjanian und Jürgen Clausen. „Electrostatics and proton transfer in photosynthetic water oxidation“. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 357, Nr. 1426 (29.10.2002): 1407–18. http://dx.doi.org/10.1098/rstb.2002.1137.

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Photosystem II (PSII) oxidizes two water molecules to yield dioxygen plus four protons. Dioxygen is released during the last out of four sequential oxidation steps of the catalytic centre (S 0 ⇒ S 1 , S 1 ⇒ S 2 , S 2 ⇒ S 3 , S 3 ⇒ S 4 → S 0 ). The release of the chemically produced protons is blurred by transient, highly variable and electrostatically triggered proton transfer at the periphery (Bohr effect). The extent of the latter transiently amounts to more than one H + /e – under certain conditions and this is understood in terms of electrostatics. By kinetic analyses of electron–proton transfer and electrochromism, we discriminated between Bohr–effect and chemically produced protons and arrived at a distribution of the latter over the oxidation steps of 1 : 0 : 1 : 2. During the oxidation of tyr–161 on subunit D1 (Y Z ), its phenolic proton is not normally released into the bulk. Instead, it is shared with and confined in a hydrogen–bonded cluster. This notion is difficult to reconcile with proposed mechanisms where Y Z acts as a hydrogen acceptor for bound water. Only in manganese (Mn) depleted PSII is the proton released into the bulk and this changes the rate of electron transfer between Y Z and the primary donor of PSII P + 680 from electron to proton controlled. D1–His190, the proposed centre of the hydrogen–bonded cluster around Y Z , is probably further remote from Y Z than previously thought, because substitution of D1–Glu189, its direct neighbour, by Gln, Arg or Lys is without effect on the electron transfer from Y Z to P + 680 (in nanoseconds) and from the Mn cluster to Y ox Z .

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4

Aitkenhead, A. H., C. G. Rowbottom und R. I. MacKay. „Throughput Modelling for a Proton Therapy Centre“. Clinical Oncology 23, Nr. 3 (April 2011): S13. http://dx.doi.org/10.1016/j.clon.2011.01.341.

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5

De Saint-Hubert, M., C. Saldarriaga Vargas, O. Van Hoey, W. Schoonjans, V. De Smet, G. Mathot, F. Stichelbaut et al. „SECONDARY NEUTRON DOSES IN A PROTON THERAPY CENTRE“. Radiation Protection Dosimetry 170, Nr. 1-4 (04.11.2015): 336–41. http://dx.doi.org/10.1093/rpd/ncv458.

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6

Hazdra, Pavel, Stanislav Popelka und Adolf Schöner. „Local Lifetime Control in 4H-SiC by Proton Irradiation“. Materials Science Forum 924 (Juni 2018): 436–39. http://dx.doi.org/10.4028/www.scientific.net/msf.924.436.

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The effect of local lifetime control by proton irradiation on the OCVD response of a 10 kV SiC PiN diode was investigated. Carrier lifetime was reduced locally by irradiation with 800 keV protons at fluences up to 1x1011cm-2. Radiation defects were characterized by DLTS and C-V profiling; excess carrier dynamics were measured by the OCVD and analyzed using the calibrated device simulator ATLAS from Silvaco, Inc. Results show that proton implantation followed by low temperature annealing can be used for controllable local lifetime reduction in SiC devices. The dominant recombination centre is the Z1/2defect, whose distribution can be set by irradiation energy and fluence. The local lifetime reduction, which improves diode recovery, can be monitored by OCVD response and simulated using the SRH model accounting for the Z1/2defect.

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Patel, S., J. A. Whitlock, I. A. Olivotto, M. Parliament, N. Laperriere, E. Bouffet und D. D. Eisenstat. „PS1 - 186 Needs Assessment for a Pediatric Proton Therapy Program in Canada“. Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques 43, S4 (Oktober 2016): S12. http://dx.doi.org/10.1017/cjn.2016.362.

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Proton therapy enables normal tissue sparing for curative-intent treatment of children with cancer who require radiation therapy. In the USA and elsewhere, proton therapy is being rapidly adopted, and many new proton centres are being established. Without a proton centre in Canada, children and their families must travel abroad for treatment at high cost and has raised the question whether a Canadian proton therapy facility is needed. METHODS: Canadian Pediatric Oncology centres were surveyed to assess current and future clinical practices. Needs were modeled by screening the Alberta Cancer Registry, ascertaining the number of children eligible for proton RT and comparing to the number who actually received this therapy. RESULTS: Most centres (63%) referred children, and 49 children were referred abroad between 2008 and 2013. Referrals were estimated to increase to 36 cases per annum across Canada. Most respondents (75%) supported that proton therapy will reduce late effects in most or selected cases compared to photon therapy. The registry search revealed 37,170 patients irradiated of which 379 children (1.0%) were potentially eligible for proton therapy, accounting for 15.9% of the new cases of childhood cancers diagnosed in Alberta over the interval. CONCLUSIONS: A strong perceived need for a pediatric proton therapy in Canada was identified. Proton therapy utilization was lower than modeled needs. Future referrals are anticipated to increase, with annual estimated cost of approximately $60 million spent outside of Canada that could be invested within the Canadian health care economy. These issues are worthy of further national discussion.

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Tommasino, Francesco, Marta Rovituso, Eleonora Bortoli, Chiara La Tessa, Giada Petringa, Stefano Lorentini, Enrico Verroi et al. „A new facility for proton radiobiology at the Trento proton therapy centre: Design and implementation“. Physica Medica 58 (Februar 2019): 99–106. http://dx.doi.org/10.1016/j.ejmp.2019.02.001.

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9

Hunter, Naomi, Reid Tingley, Brad Peori und Keith Vaughan. „Triazene derivatives of (1,x)-diazacycloalkanes. Part VIII. Synthesis and characterization of a series of 1,4-di[2-aryl-1-diazenyl]-2-methylpiperazines1“. Canadian Journal of Chemistry 85, Nr. 3 (01.03.2007): 189–96. http://dx.doi.org/10.1139/v07-013.

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A series of 1,4-di-[2-aryl-1-diazenyl]-2-methylpiperazines (4a–n) have been synthesized by the reaction of 2-methylpiperazine with 2 equiv. of the appropriate diazonium salt. The products have been characterized by IR and NMR spectroscopy, and the molecular composition has been verified by HR-EIMS, with accurate mass measurement of the molecular ion. The presence of a chiral centre at C2 of the piperazine ring in the bistriazene 4 creates a multitude of diastereotopic protons in the methylene groups of the piperazine ring, as evidenced by the complexity of the NMR spectra, which nevertheless can be fully assigned in some cases, such as the tolyl- (4h) and phenyl- (4j) derivatives. These two compounds also show a discrimination between the two N-arydiazenyl groups, as evidenced by the doubling of several aromatic-carbon signals in the 13C NMR spectra. The assignment of the proton and carbon signals in 4h and 4j has been aided by the use of 2D NMR spectroscopy. A DEPT spectrum of 4j clearly discriminates the methylene carbons and also indicates the methine carbons of the piperazine ring. COSY spectra provide clear information about the interactions between diastereotopic protons; when these results are combined with the results of HSQC spectroscopy, the proton and carbon signals can be fully correlated, leading to an unequivocal assignment of the proton and carbon atoms of the piperazine ring. The HSQC spectrum of 4j also gives a complete correlation of the aromatic-proton and -carbon signals. These results compare favorably with the previously reported assignments of proton and carbon signals for triazenes of type 1 and bistriazenes of type 3.Key words: triazene, bistriazene, piperazine, 2-methylpiperazine, diastereotopic protons, diazonium coupling, 2D NMR, COSY, DEPT, HSQC.

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Barker, Claire, Matthew Lowe und Ganesh Radhakrishna. „An introduction to proton beam therapy“. British Journal of Hospital Medicine 80, Nr. 10 (02.10.2019): 574–78. http://dx.doi.org/10.12968/hmed.2019.80.10.574.

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Radiotherapy is a highly effective anti-cancer treatment commonly used alongside systemic therapies and surgery to achieve long-term cancer-free survival. Conventional radiotherapy uses photon beams to deliver a high dose of radiation to the tumour volume to eradicate cancer cells. This has to be offset against the irradiation of surrounding normal tissues, as increasing this dose causes more treatment-related toxicity. In August 2018, the NHS's first high energy proton beam therapy centre opened at The Christie NHS Foundation Trust in Manchester. A second NHS centre is scheduled to open in 2020 at the University College London Hospitals NHS Trust. Proton beam therapy may offer dosimetric advantages compared to conventional radiotherapy as a result of its characteristic dose deposition – proton beams deliver a comparatively higher proportion of their dose to the target volume relative to normal tissues, without significant exit doses when compared to conventional photon therapy. Therefore proton beam therapy may be indicated for certain tumours situated next to critical organs or in the paediatric population where quality of life and the reduction of secondary effects from radiation are particularly significant. The indications for proton beam therapy and patient outcomes after treatment will be carefully monitored and evaluated in order to provide a robust evidence base for its use.

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Dissertationen zum Thema "Proton centre"

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Janauschek, Ludger. „Elastic photoproduction of J-psi vector mesons at high photon-proton centre-of-mass energy at the H1 experiment at HERA“. [S.l.] : [s.n.], 2004. http://edoc.ub.uni-muenchen.de/archive/00003063.

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Cobigo, Yann. „Production de J/[psi] dans les collisions proton-proton et deuton-or à 200 GeV dans le centre de masse nucléon-nucléon“. Lyon 1, 2004. http://www.theses.fr/2004LYO10156.

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Pour entreprendre l'étude du plasma de quarks et de gluons formé dans les collisions d'ions lourds ultra-relativistes, il est nécessaire de comprendre le comportement de la matière nucléaire froide. C'est dans cette optique que des collisions deuton-or à 200 GeV dans le centre de masse nucléon-nucléon ont été étudiées au collisionneur RHIC. La résonance J/[psi] est l'une des sondes proposées pour étudier le plasma. Nous avons étudié sa production via le canal de désintégration muonique à l'aide des spectromètres à muons de l'expérience PHENIX. Nous avons développé une méthode d'ajustement des traces et du vertex, basée sur l'algorithme de Kalman, pour analyser les données recueillies dans ces spectromètres. La production de la résonance J/[psi] a été examinée en fonction de différentes variables cinématiques et géométriques. La comparaison aux données recueillies dans les collisions proton-proton permet de mieux comprendre les phénomènes, tel le shadowing ou l'absorption, intervenant dans les collisions où le plasma de quarks et de gluons n'est pas formé

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3

Van, Achterbergh Esmé. „The development of the national accelerator centre proton microprobe as an analytical tool in geochemistry“. Master's thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/22046.

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Bibliography: pages 94-99.
This thesis describes work performed to establish and demonstrate a quantitative trace element microanalysis technique for geological material using protons accelerated by the Van de Graaff Accelerator at the National Accelerator Centre (NAC) in Faure near Cape Town. The method relies on the analysis of Proton Induced X-ray Emission (PIXE) spectra, interpreted with the help of the GeoPIXE software package. The use of the Si(Li) energy dispersive detector provides simultaneous multi-element detection at the parts-per-million (ppm) level, and a scanning beam facility permits trace element distributions to be studied at these levels. The calibration of the detector efficiency and the thicknesses of selectable X-ray attenuating filters was performed using pure elemental samples. This involved the accurate determination of the target to detector distance, the thickness of the active volume of the Si(Li) detector crystal, the thicknesses of all the absorbing layers between the sample and the detector crystal, and the assessment of the effects of incomplete charge collection in the detector.

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October, Faith Joy. „Transverse and longitudinal Bose-Einstein correlations in antiproton-proton reactions at centre-of-mass energy 630 GeV“. Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53200.

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Thesis (MSc)--Stellenbosch University, 2002.
ENGLISH ABSTRACT: We use Hanbury-Brown Twiss interferometry to determine Bose-Einstein correlations in the transverse and longitudinal directions. By using these two directions, we are able to determine the shape of the pion emitting source. The analysis is done with the UA1 (1985) data for pp collisions at Vs = 630 GeV. Two frames of reference, namely the laboratory frame and the Longitudinal Center-of-Mass System (LCMS) are used. A fit to a two-dimensional Gaussian parametrization yields good results. In the laboratory frame, an oblate form of the source is observed, with the value of the transverse radius (rt) larger than the longitudinal (rL) one. The LCMS analysis finds a prolate form of the source (rt < rL). A few reasons are discussed for the difference in the shape between the different reference frames. Our results are also compared with other hadron-hadron and e+ e: experiments.
AFRIKAANSE OPSOMMING: Hanbury-Brown Twiss interferometrie was gebruik om Bose-Einstein korrelasies in die transversale en longitudinale rigtings te bepaal. Deur hierdie twee rigtings te gebruik, kan die vorm van die pion-bron bepaal word. Die UA1 (1985) datastel van die pp botsings by Vs = 630 GeV is gebruik om die analise uit te voer. Twee verwysingstelsels, naamlik die laboratorium stelsel en die Longitudinale Massamiddelpunt-stelsel is aangewend. 'n Passing met 'n twee-dimensionele Gaussiese parametrisering het goeie resultate opgelewer. In die laboratorium stelsel, is 'n ovaalvormige vorm vir die bron waargeneem, met die transversale radius (rt) groter as die longitudinale radius (rl)' Die Longitudinale Massamiddelpunt stelsel het 'n prolate vorm vir die bron voorspel, met rt < ri, 'n Paar redes vir die verskil in die vorm van die pion-bron vir die verskillende verwysingstelsels word bespreek. Ons resultate word ook met ander hadron-hadron en e+e- eksperimente vergelyk.

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Bernard, Denis. „La mesure de la partie réelle de l’amplitude nucléaire élastique proton-antiproton à une énergie dans le centre de masse de 546 GeV“. Paris 11, 1987. http://www.theses.fr/1987PA112165.

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Nous mesurons la partie réelle de l'amplitude nucléaire élastique proton-antiproton à l'avant à une énergie dans le centre de masse de 546 GeV en utilisant l'interférence avec l'amplitude Coulombienne. Nous avons pris les données au collisionneur SPS du CERN, avec une optique spéciale de façon à détecter des diffusions élastiques avec un très faible angle de déflection. Nous étalonnons tout d'abord les différents détecteurs. Nous reconstruisons ensuite les trajectoires des particules chargées dans les chambres à fils. La mesure des acolinéarités horizontale et verticale entre le proton et l'antiproton permet de sélectionner efficacement les événements élastiques. Nous mesurons l'efficacité des chambres à partir des données elles même grâce à la redondance de l'information. Nous simulons l'acceptance de l'appareillage, l'effet de l'inefficacité et de la résolution des détecteurs, et les effets de faisceau par une méthode de Monte-carlo. Nous corrigeons alors la distribution de la valeur de la quasi-impulsion transférée, et un ajustement fournit la valeur du rapport de la partie réelle et de la partie imaginaire de l'amplitude égal à 0. 25 ±0. 04. Les relations de dispersion établissent une liaison entre les parties réelle et imaginaire de l'amplitude nucléaire. La plupart des modèles décrivant l'amplitude nucléaire comportent uniquement une partie symétrique de croisement à haute énergie et prédisent une valeur du rapport à 546 GeV proche de 0. 13. Notre mesure, plus élevée à trois déviations standard, constitue l'indication d'une physique nouvelle à haute énergie, compatible ] avec un oddéron

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Catterall, Corinna. „Hadronic final states in deep inelastic electron-proton scattering at a centre of mass energy of 300 GeV“. Thesis, University College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336330.

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7

DeWolf, R. S. „Charged and neutral particle production in proton-antiproton interactions at 200 and 900 GeV centre of mass energies“. Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.481568.

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8

Castillo, Hernandez Juan Francisco Verfasser], Peter [Akademischer Betreuer] Braun-Munzinger und Jochen [Akademischer Betreuer] [Wambach. „Charged particle multiplicity studies in proton-proton collisions at a centre-of-mass energy of 10 TeV with the ALICE detector / Juan Francisco Castillo Hernandez. Betreuer: Peter Braun-Munzinger ; Jochen Wambach“. Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2012. http://d-nb.info/1106117298/34.

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Seema-Mergelmeyer, Pienpen [Verfasser]. „Measurements of differential t-channel single top-quark production cross-sections in proton–proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector / Pienpen Seema-Mergelmeyer“. Bonn : Universitäts- und Landesbibliothek Bonn, 2018. http://d-nb.info/1160594333/34.

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Ginet, Nicolas. „Études spectroscopiques sur les centres réactionnels de Rhodobacter capsulatus : interactions entre le côté accepteur et le côté donneur et équilibres de fixation sur la poche QB“. Lyon 1, 2000. http://www.theses.fr/2000LYO1T194.

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Bücher zum Thema "Proton centre"

1

Streets, Jonathan Mark. Properties of muons and jets in proton-antiproton collisions at 540 and 630 GeV centre of mass energy. Birmingham: University of Birmingham, 1986.

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2

Cailly, Claude. Mutations d'un espace proto-industriel: Le Perche aux XVIIIe-XIXe siècles. [Ceton, Orne]: Fédération des Amis du Perche, 1993.

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Prophets and protons: New religious movements and science in late twentieth-century America. New York: New York University Press, 2010.

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Arnold, R. G. (Raymond George), 1942-, Hrsg. Topical Conference on Electronuclear Physics with Internal Targets, 9-12 January, 1989, Stanford Linear Accelerator Center, Stanford, California. Singapore: World Scientific, 1990.

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Lattanzio, Federico, und Gian Maria Varanini, Hrsg. I centri minori italiani nel tardo medioevo. Florence: Firenze University Press, 2018. http://dx.doi.org/10.36253/978-88-6453-748-1.

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Nel tardo medioevo l’Italia è una delle aree più urbanizzate d’Europa. Le sue coste, la dorsale appenninica, la fascia peri-alpina, le pianure ospitano un grande numero di centri minori, terre, borghi, castra, ‘quasi città’. Molto vari per consistenza demografica, articolazione sociale, dinamismo economico, questi insediamenti costituiscono nel loro insieme un elemento caratterizzante, costitutivo dell’identità storica italiana: un suo ‘carattere originale’. Questo volume, grazie ad alcuni saggi di inquadramento e a una mappatura di casi singoli che tocca gran parte delle regioni del nord, del centro e del sud, si propone di indagare sulle vivaci ricerche dedicate a tale tematica degli ultimi trenta-quarant’anni.

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Symposium on RNA Biology (1997 North Carolina Biotechnology Center, N.C., USA). Symposium on RNA Biology.: Held at North Carolina Biotechnology Center, Research Triangle Park, North Carolina, USA, October 17-19, 1997. [Oxford: Oxford University Press, 1997.

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Symposium on RNA Biology (1995 North Carolina Biotechnology Center). Symposium on RNA Biology.: Held at North Carolina Biotechnology Center, Research Triangle Park, North Carolina, USA, October 13-15, 1995. [Oxford: Oxford University Press, 1995.

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1952-, Magnusson Lars, Hrsg. Proto-industrialisation in Scandinavia: Craft skills in the industrial revolution. Leamington Spa, UK: Berg, 1987.

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RNA Society of North Carolina., Hrsg. Symposium on RNA biology III: RNA, tool & target: Held at North Carolina Biotechnology Center, Research Triangle Park, North Carolina, USA, October 15-17, 1999. Oxford: Oxford University Press, 1999.

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Expo '96 (1996 Centre d'exposition de Rivière Noire). Expo '96: 1ère foire agricole et industrielle de Maurice : 31 octobre-10 novembre 1996, Centre d'exposition de Rivière Noire. [Port Louis]: Publi Promo Ltd., 1996.

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Buchteile zum Thema "Proton centre"

1

Tan, Hong Qi, Jun Hao Phua, Lloyd Tan, Khong Wei Ang, James Lee und Andrew Anthony Bettiol. „Geant4 Simulation for Commissioning of Proton Therapy Centre“. In IFMBE Proceedings, 583–87. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-9035-6_108.

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Toma, F., V. Dive, M. Löw und L. Kisfaludy. „Proton NMR Studies of the Active Centre of ACTH“. In Advanced Magnetic Resonance Techniques in Systems of High Molecular Complexity, 125–33. Boston, MA: Birkhäuser Boston, 1986. http://dx.doi.org/10.1007/978-1-4615-8521-3_11.

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Medvedev, Dmitry, Angeliki Brouzgou, Anatoly Demin und Panagiotis Tsiakaras. „Proton-Conducting Electrolytes for Solid Oxide Fuel Cell Applications“. In CISM International Centre for Mechanical Sciences, 77–118. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46146-5_3.

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Lübbers, Karin, und Wolfgang Junge. „Is the Proton Release Due to Water Oxidation Directly Coupled to Events in the Manganese-Centre?“ In Current Research in Photosynthesis, 877–80. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0511-5_203.

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Dey, Sourav. „Measurement of the Double-Differential Inclusive Jet Cross Section in Proton–Proton Collisions at 13 TeV Centre-of-Mass Energy with the Compact Muon Solenoid Detector“. In XXII DAE High Energy Physics Symposium, 923–25. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73171-1_226.

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Lancaster, C. Roy D., M. R. Gunner und Hartmut Michel. „The Coupling of Light-Induced Electron Transfer and Proton Uptake: Electrostatic Calculations on the Photosynthetic Reaction Centre from Rhodopseudomonas Viridis“. In Photosynthesis: from Light to Biosphere, 903–6. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_216.

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Kacperek, Andrzej. „Ocular Proton Therapy Centers“. In Ion Beam Therapy, 149–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21414-1_10.

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Flanz, Jay, Hanne Kooy und Thomas F. DeLaney. „The Francis H. Burr Proton Therapy Center“. In Ion Beam Therapy, 597–609. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21414-1_35.

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Lassen-Ramshad, Yasmin, Jørgen B. Petersen, Akmal Safwat, Henrik Pagh Schultz und Morten Høyer. „Childhood Brain Tumours: Proton Beam Therapy“. In Tumors of the Central Nervous System, 91–106. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7217-5_8.

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Brown-Whitehorn, Terri Faye, Gayle Diamond und Amy Dean. „Development of the FPIES Center“. In Food Protein Induced Enterocolitis (FPIES), 217–27. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21229-2_16.

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Konferenzberichte zum Thema "Proton centre"

1

Ruiz Gómez, A., OM García Molina, M. Sáez Garrido, A. Laorden Carrasco, JÁ Cano Molina, M. Díaz Ramón, F. Golnabi Dowlatshahi und E. González Lozano. „5PSQ-120 Use of proton pump inhibitors in a geriatric healthcare centre“. In 25th Anniversary EAHP Congress, Hospital Pharmacy 5.0 – the future of patient care, 23–28 March 2021. British Medical Journal Publishing Group, 2021. http://dx.doi.org/10.1136/ejhpharm-2021-eahpconf.239.

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Francavilla, Paolo. „Measurement of single and multi-jet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with ATLAS“. In XXIst International Europhysics Conference on High Energy Physics. Trieste, Italy: Sissa Medialab, 2012. http://dx.doi.org/10.22323/1.134.0278.

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3

Rösch, Thomas F., Luisa Tischendorf, Jens Hartmann, Leonard Doyle, Lotta Flaig, Marc Berndl, Felix Balling, Sonja Gerlach, Jonathan Bortfeldt und Jörg Schreiber. „Optimization of a permanent magnet quadrupole doublet for laser-accelerated proton bunches at the Centre for Advanced Laser Applications“. In Laser Acceleration of Electrons, Protons, and Ions VI, herausgegeben von Stepan S. Bulanov, Carl B. Schroeder und Jörg Schreiber. SPIE, 2021. http://dx.doi.org/10.1117/12.2588720.

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Carli, Tancredi. „First Measurement of Inclusive Jet Production Cross Sections in Proton Proton Collisions at a Centre-of-Mass Energy of 7 TeV with the ATLAS Detector“. In 35th International Conference of High Energy Physics. Trieste, Italy: Sissa Medialab, 2011. http://dx.doi.org/10.22323/1.120.0101.

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Khorasanov, Georgy L., Anatoly P. Ivonov und Anatoly I. Blokhin. „Neutronic and Physical Characteristics of an Accelerator Driven System with a Lead-208 Coolant“. In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89153.

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In the paper a possibility of using a lead isotope, pure Pb-208, as a coolant for a subcritical core of 80 MW thermal capacity of the PDS-XADS type facility is considered. Calculations of neutronic characteristics were performed using Monte Carlo technique. The following initial data were chosen: an annular core with a target, as a neutron source, at its centre; the core coolant — Pb-208 (100%); a fuel — a mix of mono nitrides of depleted uranium and power plutonium with a small share of neptunium and americium; the target coolant — a modified lead and bismuth eutectic, Pb-208(80%)-Bi(20%); proton beam energy — 600 MeV; effective multiplication factor of the core under operation — Keff = 0.97; thermal capacity of the core — N = 80 MW. From calculations performed it follows that in using Pb-208 as the core coolant the necessary intensity of the external source of neutrons to deliver 80 MW thermal capacity is equal to S = 2.29−1017 n/s that corresponds to proton beam current Ip = 2.8 mA and beam capacity Pp = 1.68 MW. In using natural lead instead of Pb-208 as the core coolant, effective multiplication factor of the core in normal operating regime falls down to the value equal to Keff = 0.95. In these conditions multiplication of external neutrons in the core and thermal capacity of the subcritical core are below nominal by 1.55 times. For achievement the rated core power N = 80 MW it is required on ∼20–30% to increase the fuel loading and volume of the core, or by 1.55 times to increase intensity of the external source of neutrons. In the last case, the required parameters of the neutron source and of the corresponding proton beam are following: intensity of the neutron source S = 3.55·1017 n/s., beam current Ip = 4.32 mA, beam capacity Pp = 2.59 MW. To exploit the accelerator with the reduced proton beam current it will be required about 56 tons of Pb-208, as a minimum, for the core coolant. Charges for its obtaining can be recovered at the expense of the economy of the proton accelerator construction cost. In this case, the acceptable price of the lead isotope Pb-208 must be less than $2,860/kg.

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Bloch, Charles. „The midwest proton therapy center“. In The fourteenth international conference on the application of accelerators in research and industry. AIP, 1997. http://dx.doi.org/10.1063/1.52435.

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Bulanov, Stepan S., Jaehong Park, Jianhui Bin, Qing Ji, Sven Steinke, Carl B. Schroeder, Jean-Luc Vay, Eric Esarey, Thomas Schenkel und Wim P. Leemans. „Laser ion acceleration studies at BELLA center (Conference Presentation)“. In Laser Acceleration of Electrons, Protons, and Ions, herausgegeben von Eric Esarey, Carl B. Schroeder und Jörg Schreiber. SPIE, 2019. http://dx.doi.org/10.1117/12.2520999.

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Tsang, Peter H. „Schwinger generating functional derivation of LHC elastic proton-proton scattering amplitudes“. In CENTRAL EUROPEAN SYMPOSIUM ON THERMOPHYSICS 2019 (CEST). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5114155.

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„STAR results on central exclusive production in proton-proton collisions“. In DIFFRACTION 2014: International Workshop on Diffraction in High-Energy Physics. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4915971.

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10

Bandini, Giacomino, Maddalena Casamirra, Francesco Castiglia, Mariarosa Giardina, Paride Meloni und Massimiliano Polidori. „Analysis of Protected Accidental Transients in the EFIT Reactor With the RELAP5 Thermal-Hydraulic Code“. In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48720.

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The European Facility for Industrial Transmutation (EFIT) is aimed at demonstrating the feasibility of transmutation process through the Accelerator Driven System (ADS) route on an industrial scale. The conceptual design of this reactor of about 400 MW thermal power is under development in the frame of the European EUROTRANS Integrated Project of the EURATOM Sixth Framework Program (FP6). EFIT is a pool-type reactor cooled by forced circulation of lead in the primary system where the heat is removed by steam generators installed inside the reactor vessel. The reactor power is sustained by a spallation neutron source supplied by a proton beam impinging on a lead target at the core centre. A safety-related Decay Heat Removal (DHR) system provided with four independent inherently safe loops is installed in the primary vessel to remove the decay heat in case of loss of secondary circuits heat removal capability. A quite detailed model of the EFIT reactor has been developed for the RELAP5 thermal-hydraulic code to be used in preliminary accidental transient analyses aimed at verifying the validity of the adopted solutions for the current reactor design with respect to the safety requirements, and confirm the inherent safety behavior of the reactor, such as decay heat removal in accidental conditions relying on natural circulation in the primary system. The accident analyses for the EFIT reactor include both protected and unprotected transients, on whether the reactor automatic trip, consisting in proton beam switch off, is actuated or not by the protection system. In this paper, the main results of the analyses of some protected transients with RELAP5 are presented. The analyzed transients concern the Protected Loss of Heat Sink (PLOHS), in which the DHR system plays a key role in bringing the reactor in safe conditions, and the Protected Loss of Flow (PLOF) transients with partial or total loss of forced circulation in the primary system.

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Berichte der Organisationen zum Thema "Proton centre"

1

Goodnight, J. E. Jr, und J. R. Alonso. Proton Therapy Research and Treatment Center. Office of Scientific and Technical Information (OSTI), Mai 1992. http://dx.doi.org/10.2172/7013819.

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Goodnight, J. E. Jr, und J. R. Alonso. Proton Therapy Research and Treatment Center. Office of Scientific and Technical Information (OSTI), Mai 1992. http://dx.doi.org/10.2172/10184274.

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3

Kamon, Teruki. The CDF Central Electromagnetic Calorimeter for Proton - Anti-proton Collision Experiment at Tevatron. Office of Scientific and Technical Information (OSTI), Juni 1986. http://dx.doi.org/10.2172/1402444.

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4

Jerger, Steven A. Inclusive direct photon production in the central and forward rapidity regions in proton - anti-proton collisions at a center-of-mass energy of 1800-GeV. Office of Scientific and Technical Information (OSTI), Januar 1997. http://dx.doi.org/10.2172/1372283.

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Jerger, Steven A. Inclusive direct photon production in the central and forward rapidity regions in proton - anti-proton collisions at a center-of-mass energy of 1800-GeV. Office of Scientific and Technical Information (OSTI), Januar 1997. http://dx.doi.org/10.2172/1155618.

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6

Partos, Dana Sarah. Measurement of the center-of-mass energy dependence of isolated direct photon production in proton anti-proton collisions. Office of Scientific and Technical Information (OSTI), Januar 2001. http://dx.doi.org/10.2172/1421410.

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7

Rott, Carsten. Search for Scalar Bottom Quarks from Gluino Decays in Proton - Anti-proton Collisions at a Center-of-Mass Energy of 1.96-TeV. Office of Scientific and Technical Information (OSTI), Dezember 2004. http://dx.doi.org/10.2172/15011736.

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8

Archambeau, J., und et al. Conceptual Design of a Proton Therapy Synchrotron for Loma Linda University Medical Center. Office of Scientific and Technical Information (OSTI), Juni 1986. http://dx.doi.org/10.2172/1151460.

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9

Lach, J., und L. Y. Shan. A measurement of muon fluences associated with the Fermilab Proton Center charged hyperon beam. Office of Scientific and Technical Information (OSTI), Februar 1989. http://dx.doi.org/10.2172/10192801.

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Bevensee, Brendan Elwood. A search for top quark decays to a charged Higgs boson in proton - anti-proton collisions at a center-of-mass energy of 1.8-TeV. Office of Scientific and Technical Information (OSTI), Januar 1999. http://dx.doi.org/10.2172/1374856.

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