1,129 research outputs found
J.W. McConnell and the Chancellorship of McGill University, 1942–3
J.W. McConnell (1877–1963) was one of the most successful Canadian businessmen of his time, and possibly the richest man in Canada for much of his life. A promoter of stocks early in his career, he soon became a major industrialist and investor. He was president of St. Lawrence Sugar Refineries Limited for almost fifty years and publisher of the Montreal Daily Star and other newspapers for almost twenty-five. Among the companies of which he was a major shareholder were the International Nickel Company of Canada, Brazilian Traction, Montreal Tramways, Montreal Light, Heat and Power, Ogilvie Flour Mills, Canada Steamship Lines, and Borden. His reputation spread to Wall Street and the City of London, not only for his business acumen but also for his great generosity to medical and educational causes. He was one of the principal founders of the Montreal Neurological Institute. From 1909 to 1927, he was one of the most effective fundraisers in the country, for the YMCA, the war effort through Victory Loans, and the hospitals of Montreal. And for the remainder of his life he was the most generous contributor to good causes in Montreal if not in Canada as a whole.With Lord Strathcona and Sir William Macdonald, he became one of the three greatest benefactors of McGill. After the death of Sir Edward Beatty, the Chancellor of the university, in 1943, McConnell was a natural candidate to succeed him. The board of governors, who were responsible for choosing a new Chancellor, were nearly all businessmen like him, and his assumption of the post would have been indeed in the tradition of James Ferrier, Strathcona, Macdonald and Beatty. But McConnell did not become Chancellor, and this is the story of why he did not. In abbreviated form, this was published in chapter 17 of the author’s biography of McConnell in 2008. This article however presents considerably more detail.ResuméJ.W. McConnell (1877–1963) fut un des hommes d’affaires les plus prospères de son époque, et possiblement un des hommes les plus riches du Canada pour la plus grande partie de sa vie. Promoteur d’actions au début de sa carrière, il devint rapidement un industriel et un investisseur d’importance. Il fut président de la compagnie St. Lawrence Sugar Refineries Limited pendant presque cinquante ans, et éditeur du Montreal Daily Star et de divers autres journaux pendant presque vingt-cinq ans. Il fut un actionnaire important de plusieurs compagnies, notamment International Nickel Company of Canada, Brazilian Traction, Montreal Tramways, Montreal Light, Heat and Power, Ogilvie Flour Mills, Canada Steamship Lines, et Borden. Sa réputation se progagea jusqu’à Wall Street et Londres, non seulement pour sa perspicacité en affaires mais aussi pour sa grande générosité envers les bonnes causes dans les domaines de la medecine et de l’éducation. Il fut un des fondateurs principaux de l’Institut neurologique de Montréal. De 1909 à 1927, il fut un collecteur de fonds les plus efficaces au Canada, au profit de l’organisme YMCA, de l’effort de guerre par le biais du programme des Prêts de la victoire, et des hôpitaux montréalais. Il demeura pour le reste de sa vie un fort généreux contributeur aux bonnes causes à Montréal, sinon au Canada tout entierAvec Lord Strathcona et Sir William Macdonald, il devint une des trois plus grands bienfaiteurs de l’Université McGill. Après la mort de Sir Edward Beatty, le chancelier de l’Université, en 1942, McConnell fut un candidat tout désigné pour lui succéder. Les membres du Conseil des gouverneurs, qui avaient la responsabilité de choisir un nouveau chancelier, étaient presque tous des hommes d’affaire comme lui, et il aurait été dans la tradition de James Ferrier, Strathcona, Macdonald et Beatty que McConnell accède à ce poste. Toutefois, McConnell ne devint pas chancelier, et ceci est l’histoire qui raconte pourquoi il ne l’est pas devenu. Elle a été publiée sous la forme du chapitre 17 de la biographie de McConnell. Cet article, toutefois, présente considérablement plus de détails
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A study of the turn-on mechanisms in thyristors
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Mechanisms of thyristor turn-on wore studied. An attempt was made to relate the ‘on’ plasma spreading velocity to the small signal current gain value of the n-p-n transistor section of the thyristor.
The extent to which the thyristor turns on initially largely affects the speed of turning-on the device. A model is proposed to calculate the initial turned-on area of thyristors.Westinghouse Brake & Signal Co. Ltd
Development Of A Computed Radiography-Based Weld Defect Detection And Classification System [RC78.7.D35 K75 2008 f rb].
Dalam penyelidikan ini, satu sistem bersepadu yang terdiri daripada satu peta kecacatan dan satu pengelas pelbagai rangkaian neural bagi peruasan, pengesanan dan pengesanan kecacatan kimpalan telah direkabentuk dan dibangun.
In this research, an integrated system consisting of a flaw map and a multiple neural network classifier for weld defect segmentation, detection, and classification is designed and developed
Mass spectrometry-directed synthesis of early–late sulfide-bridged heterobimetallic complexes from the metalloligand [Pt₂(PPh₃)₄(μ-S)₂] and oxo compounds of vanadium(V), molybdenum(VI) and uranium(VI)
The metalloligand [Pt₂(PPh₃)₄(μ-S)₂] has been found to react with the transition metal oxo compounds, ammonium metavanadate, sodium molybdate, and the actinide complex uranyl nitrate to give sulfide-bridged heterobimetallic complexes [Pt₂(PPh₃)₄(μ₃-S)₂VO(OMe)₂]⁺, [Pt₂(PPh₃)₄(μ₃-S)₂MoO₂(OMe)]⁺, and [Pt₂(PPh₃)₄(μ₃-S)₂UO₂( ₂-NO₃)₂], respectively. Electrospray mass spectrometry (ESMS) was used to probe the reactivity of [Pt₂(PPh₃)₄(μ-S)₂] and thus identify likely targets for isolation and characterization. ESMS has also been used to investigate fragmentation pathways of the new species. No bimetallic species were detected with hydrated La(NO₃)₃or Th(NO₃)₄, or with the lanthanide shift reagent Eu(fod)₃ (fod = 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate). X-Ray crystal structure determinations have been carried out on [Pt₂(PPh₃)₄(μ₃-S)₂VO(OMe)₂]⁺, 2, (as its hexafluorophosphate salt) and [Pt₂(PPh₃)₄(μ₃-S)₂UO₂( ₂-NO₃)₂], 4. The vanadium atom of 2 has a distorted square pyramidal geometry, while the uranium in 4 has the expected linear dioxo coordination geometry, with two bidentate nitrates and a bidentate {Pt₂S₂} moiety
Non-Newtonian gravity or gravity anomalies?
Geophysical measurements of G differ from laboratory values, indicating that gravity may be non-Newtonian. A spherical harmonic formulation is presented for the variation of (Newtonian) gravity inside the Earth. Using the GEM-10B Earth Gravitational Field Model, it is shown that long-wavelength gravity anomalies, if not corrected, may masquerade as non-Newtonian gravity by providing significant influences on experimental observation of delta g/delta r and G. An apparent contradiction in other studies is also resolved: i.e., local densities appear in equations when average densities of layers seem to be called for
A rapid screening, “combinatorial-type” survey of the metalloligand chemistry of Pt₂(PPh₃)₄(μ-S)₂ using electrospray mass spectrometry
Electrospray mass spectrometry is a rapid and powerful technique for a combinatorial-like survey of the chemistry of the metalloligand Pt₂(PPh₃)₄(μ-S)₂, leading to the successful isolation and crystallographic characterisation of the novel protonated species Pt₂(PPh₃)₄(μ-S)(μ-SH) together with a range of metallated derivatives
A Microfluidic Platform for Precision Small-volume Sample Processing and Its Use to Size Separate Biological Particles with an Acoustic Microdevice.
A major advantage of microfluidic devices is the ability to manipulate small sample volumes, thus reducing reagent waste and preserving precious sample. However, to achieve robust sample manipulation it is necessary to address device integration with the macroscale environment. To realize repeatable, sensitive particle separation with microfluidic devices, this protocol presents a complete automated and integrated microfluidic platform that enables precise processing of 0.15-1.5 ml samples using microfluidic devices. Important aspects of this system include modular device layout and robust fixtures resulting in reliable and flexible world to chip connections, and fully-automated fluid handling which accomplishes closed-loop sample collection, system cleaning and priming steps to ensure repeatable operation. Different microfluidic devices can be used interchangeably with this architecture. Here we incorporate an acoustofluidic device, detail its characterization, performance optimization, and demonstrate its use for size-separation of biological samples. By using real-time feedback during separation experiments, sample collection is optimized to conserve and concentrate sample. Although requiring the integration of multiple pieces of equipment, advantages of this architecture include the ability to process unknown samples with no additional system optimization, ease of device replacement, and precise, robust sample processing
The 1909 Taipei earthquake—implication for seismic hazard in Taipei
The 1909 April 14 Taiwan earthquake caused significant damage in Taipei. Most of the information on this earthquake available until now is from the written reports on its macro-seismic effects and from seismic station bulletins. In view of the importance of this event for assessing the shaking hazard in the present-day Taipei, we collected historical seismograms and station bulletins of this event and investigated them in conjunction with other seismological data. We compared the observed seismograms with those from recent earthquakes in similar tectonic environments to characterize the 1909 earthquake. Despite the inevitably large uncertainties associated with old data, we conclude that the 1909 Taipei earthquake is a relatively deep (50–100 km) intraplate earthquake that occurred within the subducting Philippine Sea Plate beneath Taipei with an estimated M_W of 7 ± 0.3. Some intraplate events elsewhere in the world are enriched in high-frequency energy and the resulting ground motions can be very strong. Thus, despite its relatively large depth and a moderately large magnitude, it would be prudent to review the safety of the existing structures in Taipei against large intraplate earthquakes like the 1909 Taipei earthquake
Project Omoverhi : low-cost, neonatal incubator
Project Omoverhi, since its beginning in 2010-2011, has been focused on creating an incubator that has the capability of operating completely off grid. This year the project has been focused on redesigning the original system to reduce the cost to approximately $1000. In addition to this we have designed and implemented a control system that enables the user to set a desired temperature which can be maintained to within 1 degree Celsius. Before the project is able to be completed further work must be done. The thermal storage system that was initially proposed by the original team still needs to be completed. Additionally the current prototype needs to be further tested and worked into a product that can easily be manufactured. Once the project is completed, hopefully it can be taken up by a non-profit organization to allow this product to be distributed to those in need of it
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