Hand-List of the Jevons Archives in the John Rylands University Library of Manchester
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Geoffrey Wilkinson
THE LONG SEARCH FOR STABLE TRANSITION METAL ALKYLS Nobel Lecture, December 11, 1973 by G EOFFREY W ILKINSON Imperial College of Science & Technology, London, England Chemical compounds in which there is a single bond between a saturated car- bon atom and a transition metal atom are of unusual importance. Quite aside from the significance and role in Nature of the cobalt to carbon bonds in the vitamin B 12 system and possible metal to carbon bonds in other biological systems, we need only consider that during the time taken to deliver this lec- ture, many thousands, if not tens of thousands of tons of chemical compounds are being transformed or synthesised industrially in processes which at some stage involve a transition metal to carbon bond. The nonchemist will pro- bably be most familiar with polyethylene or polypropylene in the form of do- mestic utensils, packaging materials, children’s toys and so on. These materials are made by Ziegler-Natta* or Philipps’ catalysis using titanium and chro- mium respectively. However, transition metal compounds are used as catalysts in the synthesis of synthetic rubbers and other polymers, and of a variety of simple compounds used as industrial solvents or intermediates. For example alcohols are made from olefins, carbon monoxide and hydrogen by use of cobalt or rhodium catalysts, acetic acid is made by carbonylation of methanol using rhodium catalysts and acrylonitrile is dimerised to adiponitrile (for nylon) by nickel catalysts. We should also not forget that the huge quantities of petroleum hydrocarbons processed by the oil and petrochemical industry are re-formed over platinum, platinum-rhenium or platinum-germanium sup- ported on alumina. -
William Roscoe - Poems
Classic Poetry Series William Roscoe - poems - Publication Date: 2012 Publisher: Poemhunter.com - The World's Poetry Archive William Roscoe() He was born in Liverpool, where his father, a market gardener, kept a public house called the Bowling Green at Mount Pleasant. Roscoe left school at the age of twelve, having learned all that his schoolmaster could teach. He assisted his father in the work of the garden, but spent his leisure time on reading and study. "This mode of life," he says, "gave health and vigour to my body, and amusement and instruction to my mind; and to this day I well remember the delicious sleep which succeeded my labors, from which I was again called at an early hour. If I were now asked whom I consider to be the happiest of the human race, I should answer, those who cultivate the earth by their own hands." At fifteen he began to look for a suitable career. A month's trial of bookselling was unsuccessful, and in 1769 he was articled to a solicitor. Although a diligent student of law, he continued to read the classics, and made the acquaintance with the language and literature of Italy which was to dominate his life. His poem, Mount Pleasant, was written when he was sixteen, and together with other verses, now forgotten, won the esteem of good critics. In 1774 he went into business as a lawyer, and in 1781 married Jane, second daughter of William Griffies, a Liverpool tradesman; they had seven sons and three daughters. Roscoe had the courage to denounce the African slave trade in his native town, where much of the wealth came from slavery. -
Philosophical Transactions, »
INDEX TO THE PHILOSOPHICAL TRANSACTIONS, » S e r ie s A, FOR THE YEAR 1898 (VOL. 191). A. Absorption, Change of, produced by Fluorescence (B urke), 87. Aneroid Barometers, Experiments on.—Elastic After-effect; Secular Change; Influence of Temperature (Chree), 441. B. Bolometer, Surface, Construction of (Petavel), 501. Brilliancy, Intrinsic, Law of Variation of, with Temperature (Petavel), 501. Burke (John). On the Change of Absorption produced by Fluorescence, 87. C. Chree (C.). Experiments on Aneroid Barometers at Kew Observatory, and their Discussion, 441. Correlation and Variation, Influence of Random Selection on (Pearson and Filon), 229. Crystals, Thermal Expansion Coefficients, by an Interference Method (Tutton), 313. D. Differential Equations of the Second Order, &c., Memoir on the Integration of; Characteristic Invariant of (Forsyth), 1. 526 INDEX. E. Electric Filters, Testing Efficiency of; Dielectrifying Power of (Kelvin, Maclean, and Galt), 187. Electricity, Diffusion of, from Carbonic Acid Gas to Air; Communication of, from Electrified Steam to Air (Kelvin, Maclean, and Galt), 187. Electrification of Air by Water Jet, Electrified Needle Points, Electrified Flame, &c., at Different Air-pressures; at Different Electrifying Potentials; Loss of Electrification (Kelvin, Maclean, and Galt), 187. Electrolytic Cells, Construction and Calibration of (Veley and Manley), 365. Emissivity of Platinum in Air and other Gases (Petavel), 501. Equations, Laplace's and other, Some New Solutions of, in Mathematical Physics (Forsyth), 1. Evolution, Mathematical Contributions to Theory o f; Influence of Random Selection on the Differentiation of Local Races (Pearson and Filon), 229. F. Filon (L. N. G.) and Pearson (Karl). Mathematical Contributions to the Theory of Evolution.—IV. On the Probable Errors of Frequency Constants and on the Influence of Random Selection on Variation and Correlation, 229. -
Friction Loss Along a Pipe
FRICTION LOSS ALONG A PIPE 1. INTRODUCTION The frictional resistance to which fluid is subjected as it flows along a pipe results in a continuous loss of energy or total head of the fluid. Fig 1 illustrates this in a simple case; the difference in levels between piezometers A and B represents the total head loss h in the length of pipe l. In hydraulic engineering it is customary to refer to the rate of loss of total head along the pipe, dh/dl, by the term hydraulic gradient, denoted by the symbol i, so that 푑ℎ = 푑푙 Fig 1 Diagram illustrating the hydraulic gradient Osborne Reynolds, in 1883, recorded a number of experiments to determine the laws of resistance in pipes. By introducing a filament of dye into the flow of water along a glass pipe he showed the existence of two different types of motion. At low velocities the filament appeared as a straight line which passed down the whole length of the tube, indicating laminar flow. At higher velocities, the filament, after passing a little way along the tube, suddenly mixed with the surrounding water, indicating that the motion had now become turbulent. 1 Experiments with pipes of different and with water at different temperatures led Reynolds to conclude that the parameter which determines whether the flow shall be laminar or turbulent in any particular case is 휌푣퐷 푅 = 휇 In which R denotes the Reynolds Number of the motion 휌 denotes the density of the fluid v denotes the velocity of flow D denotes the diameter of the pipe 휇 denotes the coefficient of viscosity of the fluid. -
Cavitation Experimental Investigation of Cavitation Regimes in a Converging-Diverging Nozzle Willian Hogendoorn
Cavitation Experimental investigation of cavitation regimes in a converging-diverging nozzle Willian Hogendoorn Technische Universiteit Delft Draft Cavitation Experimental investigation of cavitation regimes in a converging-diverging nozzle by Willian Hogendoorn to obtain the degree of Master of Science at the Delft University of Technology, to be defended publicly on Wednesday May 3, 2017 at 14:00. Student number: 4223616 P&E report number: 2817 Project duration: September 6, 2016 – May 3, 2017 Thesis committee: Prof. dr. ir. C. Poelma, TU Delft, supervisor Prof. dr. ir. T. van Terwisga, MARIN Dr. R. Delfos, TU Delft MSc. S. Jahangir, TU Delft, daily supervisor An electronic version of this thesis is available at http://repository.tudelft.nl/. Contents Preface v Abstract vii Nomenclature ix 1 Introduction and outline 1 1.1 Introduction of main research themes . 1 1.2 Outline of report . 1 2 Literature study and theoretical background 3 2.1 Introduction to cavitation . 3 2.2 Relevant fluid parameters . 5 2.3 Current state of the art . 8 3 Experimental setup 13 3.1 Experimental apparatus . 13 3.2 Venturi. 15 3.3 Highspeed imaging . 16 3.4 Centrifugal pump . 17 4 Experimental procedure 19 4.1 Venturi calibration . 19 4.2 Camera settings . 21 4.3 Systematic data recording . 21 5 Data and data processing 23 5.1 Videodata . 23 5.2 LabView data . 28 6 Results and Discussion 29 6.1 Analysis of starting cloud cavitation shedding. 29 6.2 Flow blockage through cavity formation . 30 6.3 Cavity shedding frequency . 32 6.4 Cavitation dynamics . 34 6.5 Re-entrant jet dynamics . -
Philosophical Transactions
L « i 1 INDEX TO THE PHILOSOPHICAL TRANSACTIONS, S e r ie s A, FOR THE YEAR 1897 (YOL. 190). A. A b n e y (W. d e W.). The Sensitiveness of the Retina to Light and Colour, 155. iEther in relation to Contained Matter; Constitution o f; mechanical Models of; Radiation across Moving Matter mechanical Reaction of Radiation; Theory of Diamagnetism, &c. (L ar m o r ), 205. B. B xI d e n -P o w ell (Sir G e o r g e ). Total Eclipse of the Sun, 1896.—The Novaya Zemlya Observations, 197. Bakerian Lecture. See R e y n o l d s and Mo o r by . Barometer—Self-recording Frequency-Barometer, by G. U. Yule (P earson and Le e ), 423. Barometric Heights, Frequency-distribution of, at 23 Stations in British Isles ; Correlation of ; Prediction Formulae (Pearson and Lee), 423. Boomerangs, Account of; Air-pressure on ; Trajectories of (W alk er ), 23. C. Cathode Rays, various Kinds ; Electrostatic Deflexion ; Splash Phenomena (T h o m pso n ), 471. Colour, Sensitiveness of Retina to; Extinction dependent on Angular Aperture of Image; Relation of Colour Fields to Intensity of Colour (A b n e y ), 153. Contact Action, Molecular Theory of ; Forcives divided into Molecular and Mechanical; Electric and Magnetic Stresses ; Electrostriction and Magnetostriction (Larmor), 205. Corona, Note by W. H. W e sl e y on Photographs of, obtained in Novaya Zemlya Eclipse of 1890 (B a d e n -P o w e l l ), 197. Cr o o k e s’ Tubes, Dendritic Forms of Luminescence in (T h o m pso n ), 471. -
The Maunder Minimum and the Variable Sun-Earth Connection
The Maunder Minimum and the Variable Sun-Earth Connection (Front illustration: the Sun without spots, July 27, 1954) By Willie Wei-Hock Soon and Steven H. Yaskell To Soon Gim-Chuan, Chua Chiew-See, Pham Than (Lien+Van’s mother) and Ulla and Anna In Memory of Miriam Fuchs (baba Gil’s mother)---W.H.S. In Memory of Andrew Hoff---S.H.Y. To interrupt His Yellow Plan The Sun does not allow Caprices of the Atmosphere – And even when the Snow Heaves Balls of Specks, like Vicious Boy Directly in His Eye – Does not so much as turn His Head Busy with Majesty – ‘Tis His to stimulate the Earth And magnetize the Sea - And bind Astronomy, in place, Yet Any passing by Would deem Ourselves – the busier As the Minutest Bee That rides – emits a Thunder – A Bomb – to justify Emily Dickinson (poem 224. c. 1862) Since people are by nature poorly equipped to register any but short-term changes, it is not surprising that we fail to notice slower changes in either climate or the sun. John A. Eddy, The New Solar Physics (1977-78) Foreword By E. N. Parker In this time of global warming we are impelled by both the anticipated dire consequences and by scientific curiosity to investigate the factors that drive the climate. Climate has fluctuated strongly and abruptly in the past, with ice ages and interglacial warming as the long term extremes. Historical research in the last decades has shown short term climatic transients to be a frequent occurrence, often imposing disastrous hardship on the afflicted human populations. -
Streamlining Alloy Design and Thermo-Mechanical Processing Parameters for High Strength Line Pipe Steels and Hot Rolled Microall
University of Texas at El Paso DigitalCommons@UTEP Open Access Theses & Dissertations 2018-01-01 Streamlining Alloy Design And Thermo- Mechanical Processing Parameters For High Strength Line Pipe Steels And Hot Rolled Microalloyed Steels: Process - Structure - Property Paradigm Venkata Vignesh Natarajan University of Texas at El Paso, [email protected] Follow this and additional works at: https://digitalcommons.utep.edu/open_etd Part of the Materials Science and Engineering Commons, and the Mechanics of Materials Commons Recommended Citation Natarajan, Venkata Vignesh, "Streamlining Alloy Design And Thermo-Mechanical Processing Parameters For High Strength Line Pipe Steels And Hot Rolled Microalloyed Steels: Process - Structure - Property Paradigm" (2018). Open Access Theses & Dissertations. 129. https://digitalcommons.utep.edu/open_etd/129 This is brought to you for free and open access by DigitalCommons@UTEP. It has been accepted for inclusion in Open Access Theses & Dissertations by an authorized administrator of DigitalCommons@UTEP. For more information, please contact [email protected]. STREAMLINING ALLOY DESIGN AND THERMO-MECHANICAL PROCESSING PARAMETERS FOR HIGH STRENGTH LINE PIPE STEELS AND HOT ROLLED MICROALLOYED STEELS: PROCESS – STRUCTURE – PROPERTY PARADIGM VENKATA VIGNESH NATARAJAN Doctoral Program in Materials Science and Engineering APPROVED: Devesh Misra, Ph.D., Chair Srinivasa Rao Singamaneni, Ph.D. Guikuan Yue, Ph.D. Charles Ambler, Ph.D. Dean of the Graduate School Copyright © by Venkata Vignesh Natarajan 2018 DEDICATION -
Newsletter Wizard
IAGA News No. 40 December 2003 IAGA, the International Association of Foreword Geomagnetism and Aeronomy, is the This issue of IAGA News is the premier international scientific association first after a long interruption, which has been due to two promoting the study of terrestrial and changes of Secretary-General planetary magnetism and space physics and to the need to adapt to the new styles of communication in the IT era. IAGA News in this new form consists mainly of I N THIS I SSUE brief summaries, or even simply titles of news items, and the reader is referred Foreword .............................................................................. 1 to the IAGA web site for more details. The goal is to reach, with this new format for IAGA News, not only Message from the new IAGA President ............................... 1 the IAGA community but also national and The IUGG General Assembly, Sapporo, Japan, 30 June – international policy makers whose decisions affect IAGA-related activities. 11 July 2003 ........................................................................ 2 IAGA News has, in the past, included short articles, Minutes of the meetings of the IAGA Conference of Delegates reports and announcements of interest to the IAGA and the IAGA Executive Committee held in Sapporo..............3 community. This tradition will continue with IAGA News in its new format. Contributions are invited and The President’s Report to the IAGA Conference of Delegates should be sent to the Secretary-General. .................................................................................................3 This issue of IAGA News is principally devoted to IGY+50: IAGA Task Group Proposal.......................................3 reports on activities at the 23rd General Assembly of IUGG, held in Sapporo, Japan, on June 30 – July 11, IAGA Sponsorship of Scientific Meetings in 2003-2004..........3 2003. -
Elizabeth F. Lewis Phd Thesis
PETER GUTHRIE TAIT NEW INSIGHTS INTO ASPECTS OF HIS LIFE AND WORK; AND ASSOCIATED TOPICS IN THE HISTORY OF MATHEMATICS Elizabeth Faith Lewis A Thesis Submitted for the Degree of PhD at the University of St Andrews 2015 Full metadata for this item is available in St Andrews Research Repository at: http://research-repository.st-andrews.ac.uk/ Please use this identifier to cite or link to this item: http://hdl.handle.net/10023/6330 This item is protected by original copyright PETER GUTHRIE TAIT NEW INSIGHTS INTO ASPECTS OF HIS LIFE AND WORK; AND ASSOCIATED TOPICS IN THE HISTORY OF MATHEMATICS ELIZABETH FAITH LEWIS This thesis is submitted in partial fulfilment for the degree of Ph.D. at the University of St Andrews. 2014 1. Candidate's declarations: I, Elizabeth Faith Lewis, hereby certify that this thesis, which is approximately 59,000 words in length, has been written by me, and that it is the record of work carried out by me, or principally by myself in collaboration with others as acknowledged, and that it has not been submitted in any previous application for a higher degree. I was admitted as a research student in September 2010 and as a candidate for the degree of Ph.D. in September 2010; the higher study for which this is a record was carried out in the University of St Andrews between 2010 and 2014. Signature of candidate ...................................... Date .................... 2. Supervisor's declaration: I hereby certify that the candidate has fulfilled the conditions of the Resolution and Regulations appropriate for the degree of Ph.D. -
Osborne Reynolds Apparatus
fluid mechanics H215 Osborne Reynolds Apparatus Free-standing apparatus that gives a visual demonstration of laminar and turbulent flow. It also allows students to investigate the effect of varying viscosity and investigate Reynolds numbers. Optional Heater Module (H215a) Key features • Constant head reservoir and flow-smoothing parts for a smooth flow • Uses dye injector system to show flow patterns • Investigates Reynolds number at transition • Clear tube and light-coloured shroud to help flow visualisation (see flow more clearly) • Shows turbulent and laminar flow • Optional heater module available for tests at different viscosities • Ideal for classroom demonstrations and student experiments TecQuipment Ltd, Bonsall Street, long eaton, Nottingham NG10 2AN, UK tecquipment.com +44 115 972 2611 [email protected] PE/DB/BW/1019 Page 1 of 2 H215 Osborne Reynolds Apparatus Description Learning Outcomes The apparatus consists of a precision-bore glass pipe (test • Demonstration of transition between laminar and tube) held vertically in a large shroud. The shroud is open turbulent flow. at the front and the inside surface is light coloured. This • Determination of transition Reynolds numbers and allows the students to see the flow clearly. comparison with accepted values. Water enters a constant head tank (reservoir) above the • Investigation of the effect of varying viscosity and test tube and passes through a diffuser and stilling bed. It demonstration that the Reynolds number at transition is then passes through a specially shaped bell-mouth into independent of viscosity. the test tube. This arrangement ensures a steady, uniform flow at entry to the test tube. A thermometer measures the temperature in the constant head reservoir. -
William Roscoe Collection
http://oac.cdlib.org/findaid/ark:/13030/kt0779r3ms No online items Finding Aid for the William Roscoe Collection 1774-1887, undated Processed by Rebecca Fenning. William Andrews Clark Memorial Library University of California, Los Angeles 2520 Cimarron Street Los Angeles, CA 90018 Phone: (323) 731-8529 Fax: (323) 731-8617 Email: [email protected] URL: http://www.humnet.ucla.edu/humnet/clarklib/ ©2009 The Regents of the University of California. All rights reserved. Finding Aid for the William MS.2008.023 1 Roscoe Collection 1774-1887, undated Descriptive Summary Title: William Roscoe Collection, Date (inclusive): 1774-1887, undated Collection number: MS.2008.023 Creator: Roscoe, William 1753-1831 Extent: 2 boxes and 4 volumes (2 linear feet) Repository: University of California, Los Angeles. William Andrews Clark Memorial Library Los Angeles, California 90095-1490 Abstract: Contains correspondence to and from William Roscoe, his family circle and various friends, booksellers and colleagues as well as commonplace books compiled by his wife Jane Griffies, portrait engravings and ephemera, dating 1774-1887 and undated. Physical location: Clark Library Language of Material: Collection materials in English Access Collection is open for research. Publication Rights Copyright has not been assigned to the William Andrews Clark Memorial Library, UCLA. All requests for permission to publish or quote from manuscripts must be submitted in writing to the Librarian. Permission for publication is given on behalf of the William Andrews Clark Memorial Library as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained.