327 research outputs found
Henri Temianka Correspondence; (fifield, jr.)
No full textThis collection contains material pertaining to the life, career, and activities of Henri Temianka, violin virtuoso, conductor, music teacher, and author. Materials include correspondence, concert programs and flyers, music scores, photographs, and books.https://digitalcommons.chapman.edu/temianka_correspondence/1956/thumbnail.jp
Cosmogenic exposure dating constraints for coastal landslide evolution on the Island of Malta (Mediterranean Sea)
No full textLandslides affecting the north-western coast of the Island of Malta have been investigated and monitored for 10 years. As a result of a bathymetric survey, it was discovered the deposits continued out onto the seafloor, thus raising questions as to the timing of their development. Furthermore it was uncertain as to which environment they developed in and which factors controlled their movements. The aim of this paper is to investigate representative detachments to chronologically constrain these mass movement events and outline their spatial and temporal evolution. Samples for exposure dating using the cosmogenic nuclide 36Cl were collected from head scarps and blocks located within two long-term monitored landslides characterised by extensive block slides. The results indicate the oldest dated block detachment occurring in a subaerial environment at ca. 21 ka, when the sea level was about 130 m lower than at present. Mass movement possibly accelerated when sea level reached the landslide toe during the post-glacial marine transgression. Considering the timing of block movement, the landslide deposits observed today appear to be related to a first-time failure involving a large part of the slope, though and alternative hypothesis is also taken here into account. This main event is likely to have been followed by secondary movements influenced by toe undercutting and clay saturation due to rising sea level. However, further research on mass movement kinematics is required in order to model their evolution and explore whether this interpretation is widely applicable along the Maltese coast
T Junction in pipes from 14UD particle accelerator
No full textResearch School of Physical Sciences, Department of Nuclear Physics - Mr. Andy Rawlinson, Dr. Keith Fifield, Mr. J. D. Stewart & other
Prava verižnica
No full textIn this thesis we introduce the problem of the ideal homogeneous hanging cable called the catenary. We observe the behaviour of the shape of the curve. Firstly, we solve the problem of the classical catenary on a flfat Earth, where the gravitational fifield is constant and perpendicular to the ground. Secondly, we focus on the true symmetric catenary in the central gravitational fifield, which comes from the -1/r potential. In both cases we use the method of calculus of variations for isoperimetric problems and in particular
the Euler-Lagrange difffferential equation. Lastly, we explain the problem of the asymmetric case.V tem diplomskem delu predstavimo problem idealne viseče homogene vrvi, ki jo imenujemo verižnica in opazujemo obnašanje oblike te krivulje. Najprej rešimo problem klasične verižnice na ravni zemlji, kjer je gravitacijsko polje konstantno in pravokotno na podlago, nato pa se osredotočimo na pravo verižnico v središčnem gravitacijskem polju, ki je dobljeno iz -1/r potenciala. V obeh primerih uporabimo metodo variacijskega računa za izoperimetrični
problem, še posebej Euler-Lagrangeevo diferencialno enačbo. Nazadnje pa razložimo še problem asimetrične verižnice
Frequency domain reflectometry NDE for aging cables in nuclear power plants
No full textDegradation of the cable jacket, electrical insulation, and other cable components of installed cables within nuclear power plants (NPPs) is known to occur as a function of age, temperature, radiation, and other environmental factors. System tests verify cable function under normal loads; however, demonstration of some cable’s ability to perform under exceptional loads associated with design-basis events is essential to assuring plant integrity. The cable’s ability to perform safely over the initial 40-year planned and licensed life has generally been demonstrated and there have been very few age-related cable failures.With greater than 1000 km of power, control, instrumentation, and other cables typically found in an NPP, replacing all the cables would be a severe cost burden. Justification for life extension to 60 and 80 years requires a cable aging management program to justify cable performance under normal operation as well as accident conditions. A variety of tests are available to assess various aspects of electrical and mechanical cable performance, but none of these tests are suitable for all cable configurations nor does any single test confirm all features of interest. One particularly powerful test that is beginning to be used more and more by utilities is frequency domain reflectometry (FDR). FDR is a nondestructive electrical inspection technique used to detect and localize faults in power and communication system conductors along the length of a cable from a single connection point. For the measurement, two conductors in the cable system are treated as a transmission line, which propagates a low-voltage swept-frequency waveform to interrogate the cable length. Note that because the applied signal is low-voltage (<5 volts), the test is completely nondestructive and poses no special safety concerns to operators. An inverse Fourier transform is used to convert the resulting frequency-domain data into a time-domain format, which can determine the physical location of signal reflections if the signal propagation velocity is known. FDR detects discontinuities in the electrical impedance that arise due to cable splices or similar changes along the path of the conductor pair. In addition, FDR has the potential to provide sensitivity to insulation degradation by detecting small changes in capacitance between the cable conductors being examined. Example changes that impact the insulation capacitance include exposure to heat, radiation, water damage, corrosion, or mechanical fatigue. The technique is also sensitive to cable bends, the particular lay of the cable in tray, proximity to other cable, and other factors that bear consideration when interpreting these tests. This paper examines various influences on the FDR approach and compares results of three different instruments capable of producing the FDR to assess accelerated aging cable damage among several NPP representative cables.</p
Uplift rates defined by U-series and 14C ages of serpulid-encrusted speleothems from submerged caves near Siracusa, Sicily (Italy)
No full textWe have established a plausible rate of uplift near Siracusa in southeastern Sicily (Italy) over the last glacial-interglacial cycle using U-series ages of submerged speleothem calcite and 14C ages of calcite serpulid layers that encrust the speleothems during cave submergence. The precisely determined ages of these sea level benchmarks were compared with expected relative sea level position based on glacio-hydro-isostatic modeling to assess the rate of uplift in this region. When combined with the age of various late Holocene archaeological sites that have been recently described and characterized in terms of their functional position relative to sea level these data collectively define a rate of uplift ≤0.4 mm a-1 along this portion of the Sicilian coastline. These results are consistent with an age assignment of marine isotope stage (MIS) 5.3 or 5.5 for the Akradina terrace, which in turn places temporal constraints on paleoshorelines above and below this level. © 2008 Elsevier Ltd. All rights reserved
Book Reviews
No full textReviews of the following books: The Fathers of the Towns: Leadership and Community Structure in Eighteenth-century New England by Edward M. Cook, Jr.; Voyages by Alfred T. Hill; The Indians of Maine and the Atlantic Provinces: A Bibliographical Guide by Roger B. Ray; Sunday River Sketches: A New England Chronicle by Martha Fifield Wilkin
The Australian Musical News. volume XXVII issue 1, 1936
No full textA.M.E.B. (Australian Music Examinations Board.); Alexander Sverjensky (Sverjensky, Alexander, 1901-1971); Ballets Russes (Ballets russes du Col. W. de Basil); Ben Jonson (Jonson, Ben, 1573?-1637); Bernard Heinze (Heinze, Bernard, Sir, 1894-1982); C.J.A. Moses (Moses, Charles Joseph Alfred, Sir, 1900-.); Claude Monteath (Monteath, Claude); Dorothy Helmrich (Helmrich, Dorothy); Eileen Joyce (Joyce, Eileen, 1908-1991.); Elisabeth Rethberg (Rethberg, Elisabeth, 1894-1976.); Ezio Pinza (Pinza, Ezio.); Frederic Fifield (Fifield, Frederic.); James Brash (Brash, James, b. 1881.); La Meri (La Meri, 1898-); Ludwig van Beethoven (Beethoven, Ludwig van, 1770-1827.); Malcom Sargent (Sargent, Malcolm, Sir, 1895-1967.); Murray Matheson (Matheson, Murray); Paul Edmonds (Edmonds, Paul); Peggy Glanville-Hicks (Glanville-Hicks, Peggy, 1912-1990.); Richard Crooks (Crooks, Richard, 1900-1972.); T. Slatyer (Slatyer T.); Workers' Educational Association (Workers' Educational Association of Victoria.); Have you seen but a whyte lillie grow; I love thee: L.van Beethove
Power Above Gender: How Lady Macbeth Shapes Perceptions of Political Power
No full textArgumentative essay that addresses the tension between gender and power in Shakespeare's Macbeth.AgoraCopyright held by authors.GenderMacbethShakespeareAgora 202
Determining the Dependency of Spy1 based on Rb Status
No full textDetermining the Dependency of Spy1 based on Rb Status Visconti, T., Philbin, N, Fifield, B, Porter L.A. University of Windsor, Windsor, Ontario. N9B 3P4 Porter Lab, Department of Integrative Biology/Biomedical Sciences Breast cancer is the second most common cancer worldwide and the most common cancer among women. Triple Negative Breast Cancer (TNBC) is a particularly aggressive form of breast cancer with many subtypes based on gene expression profiles. There are currently no targeted treatments for TNBC due to its molecular characteristics, urging the discovery of new therapeutic targets. Potential therapeutic avenues are the cell cycle and its mediators which play an important role in cancer formation and progression. Spy1, a cyclin-like protein, promotes cell proliferation through the G1/S and G2/M checkpoints. Spy1 promotes proliferation even in the presence of DNA damage, overriding checkpoints and increasing cancer susceptibility. While Spy1 has been found to be elevated in breast cancer, its unique binding structure makes for an ideal candidate for cell cycle inhibition therapy. The retinoblastoma tumor suppressor protein (Rb) is known to regulate the DNA damage response system and is key in regulating the cell cycle. However, studies have shown that Rb is often mutated in TNBC inducing deregulated cell cycle progression potentially leading to tumor development. For some breast cancer subtypes the presence or absence of Rb (Rb status) can dictate response to treatment by cell cycle inhibitor drugs. Using in vitroTNBC models (MDA-MB-231 & Bt549 cell lines), this study aims to determine if Spy1 can override checkpoints independently of Rb status, and if elevated levels of Spy1 alter this response. These results could provide further guidance in developing cell cycle inhibition targeted therapies and potentially better TNBC patient outcomes
- …
