6,268 research outputs found
J.A. Daigneau
No full textPhotograph - J.A. Daigneau building, Athabasca, Alberta. It was built in 1912 by Joseph Daigneau and burnt down in 198
Author inscription in The Chinese slave-girl: a story of woman's life in China
No full textThis edition includes a gift inscription by author Rev. J.A. Davis, "To Rev. A. G. Russell with the warmest regards of the author J.A. Davis."Davis, John Agnell, 1839-1897
Group living homes for older people with dementia: Concept and effects
No full textEefsting, J.A. [Promotor]Pot, A.M. [Promotor]Depla, M.F.I.A. [Copromotor]Lange, J. de [Copromotor
Energieverloop en golfopstuwing bij brekende onregelmatige golven: Metingen en berekeningen
No full textA description is given of a model developed for the prediction of the dissipation of energy in random waves breaking on a beach. The dissipation rate per breaking wave is estimated from that in a bore of corresponding height, while the probability of occurrence of breaking waves is estimated on the basis of a wave height distribution with an upper cut-off which in shallow water is determined mainly by the local depth. A comparison with measurements of wave height decay and set-up, on a plane beach and on a beach with a bar-trough profile, indicates that the model is capable of predicting qualitatively and quantitatively all the main features of the data. A summary of this thesis is published as: Battjes, J.A., Janssen, J.P.F.M. (1978) Energy loss and set-up due to breaking random waves, proc. ICCE HamburgHydraulic EngineeringCivil Engineering and Geoscience
Visueel & dynamisch: De stedebouw van Granpré Molière en Verhagen 1915-1950
No full textDe vernieuwing van een in formalisme en academisme vastgelopen vormentaal van architectuur en stadsuitleg tekende zich in de eerste helft van deze eeuw af in twee stromingen: de ene hechtte grote waarde aan zintuiglijke, visuele kwaliteiten en het gebruik van natuurlijke materialen, waarbij grote aandacht werd gegeven aan het specifieke en individuele in de opgave; de andere zocht naar de uiterste zuiverheid van expressie, hetgeen noodzaakte tot eliminatie van wat bijkomstig scheen, waarbij het algemene prioriteit kreeg boven het individuele. Deze stromingen ten onrechte vereenvoudigd tot Delftse School versus het Nieuwe Bouwen of tot Traditionalisme versus Functionalisme komen rond 1950 in hoofdzaak weer in één bedding samen. Ir J.A. Kuiper, schrijver van deze studie, behoort tot de tweede generatie architecten en stedebouwkundigen in het door Granpré Molière en Verhagen in 1916 opgerichte bureau, dat thans als Kuiper Compagnons zijn voortzetting vindt.ArchitectureArchitectur
Optical Flow Based State Estimation for an Indoor Micro Aerial Vehicle
No full textThis work addresses the problem of indoor state estimation for autonomous flying vehicles with an optic flow approach. The paper discusses a sensor configuration using six optic flow sensors of the computer mouse type augmented by a three-axis accelerometer to estimate velocity, rotation, attitude and viewing distances. It is shown that the problem is locally observable for a moving vehicle. A Kalman filter is used to extract these states from the sensor data. The resulting approach is tested in a simulation environment evaluating the performance of three Kalman filter algorithms under various noise conditions. Finally, a prototype of the sensor hardware has been built and tested in a laboratory setup. Paper published: Verveld, M.J., Chu, Q.P., De Wagter, C. and Mulder, J.A. “Optic Flow Based State Estimation for an Indoor Micro Air Vehicle” AIAA Guidance, Navigation, and Control Conference, August 2010, Toronto, Canada AIAA 2010-8209, DOI: 10.2514/6.2010-8209Aerospace EngineeringControl & Simulatio
Detection of the irradiated donor in the LMXBs 4U 1636-536 (=V801 Ara) and 4U 1735-444 (=V926 Sco)
No full textPhase-resolved VLT spectroscopy of the bursting low-mass X-ray binaries 4U 1636-536/V801 Ara and 4U 1735-444/V926 Sco is presented. Doppler images of the N iiiλ4640 Bowen transition reveal compact spots which we attribute to fluorescent emission from the donor star and enable us to define a new set of spectroscopic ephemerides. We measure Kem= 277 ± 22 and 226 ± 22 km s−1 from the N iii spots in V801 Ara and V926 Sco, respectively, which represent strict lower limits to the radial velocity semi-amplitude of the donor stars. Our new ephemerides provide confirmation that light-curve maxima in V801 Ara and likely V926 Sco occur at superior conjunction of the donor star and hence photometric modulation is caused by the visibility of the X-ray heated donor. The velocities of He iiλ4686 and the broad Bowen blend are strongly modulated with the orbital period, with phasing supporting emission dominated by the disc bulge. In addition, a reanalysis of burst oscillations in V801 Ara, using our spectroscopic T0, leads to K1= 90–113 km s−1. We also estimate the K-corrections for all possible disc flaring angles and present the first dynamical constraints on the masses of these X-ray bursters. These are K2= 360 ± 74 km s−1, f(M) = 0.76 ± 0.47 M⊙ and q= 0.21–0.34 for V801 Ara and K2= 298 ± 83 km s−1, f(M) = 0.53 ± 0.44 M⊙ and q= 0.05–0.41 for V926 Sco. Disc flaring angles α≥ 12° and q≃ 0.26–0.34 are favoured for V801 Ara whereas the lack of K1 constraint for V926 Sco prevents tight constraints on this system. Although both binaries seem to have intermediate inclinations, the larger equivalent width of the narrow N iii line in V801 Ara at phase 0.5 relative to phase 0 suggests that it has the higher inclination of the two
Science Business Centre (SADD)
No full textDesign of the Science Business Centre.Materialisation, saddArchitectureArchitectur
Inside McClung J.A.\u27s Closet in Vriend v. Alberta: The Indignity of Misrecognition, the Tool of Oppressive Privacy, and an Ideology of Equality
No full textAddressing recent expressions of concern about the Supreme Court of Canada\u27s alleged inability to articulate a principled and coherent philosophy of the Charter, the author scrutinizes Vriend v. Alberta, a controversial gay-rights case in which starkly antithetical philosophical approaches to the Charter come into focus. While differentiating theoretically between modern and postmodern paradigms of justice, and contracting McClung J.A. \u27s majority judgment for the Alberta Court of Appeal with the ruling of the Supreme Court of Canada in Vriend, the author argues that the Supreme Court — guided by the Charter\u27s equality provisions — has begun to articulate a postmodern philosophy of the Charter centred on the idea of inclusive justice. This emerging philosophy of inclusive justice is premised on the notion that the law works to produce the reality in which we live. not merely to reflect it.
Whereas, in Vriend, McClung J.A. \u27s philosophy of the Charter adheres to the assumptions of modern jurisprudence and the concepts of classical liberalism — in particular, concepts such as abstract individualism, the private/public divide, and formal equality — the Supreme Court\u27s philosophy in Vriend is coloured by postmodern insights that cogently impugn McClung J.A. \u27s traditional assumptions and concepts. What the Supreme Court\u27s position makes clear is that, by resorting to a rhetoric of misrecognition, an ideology of privacy, and an ideology of equality, McClung J.A. tellingly exposes the limitations of his Charter philosophy, which actually reinforces and perpetuates the discriminatory treatment and oppression of sexual minorities in Canadian society.
Juxtaposed with McClung J.A. \u27s questionable interpretive approach is the Supreme Court\u27s emphasis in Vriend on achieving substantive equality — an emphasis that the author construes as underscoring how the Supreme Court has actually gone some distance toward articulating a credible postmodern philosophy of the Charter
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