1,863 research outputs found
T.H. Huxley: The Agnostic
No full textThe author offers a biographical sketch of T.H. Huxley, known as Darwin\u27s Bulldog, his stance on evolution and religion, including an exposition of agnostic philosophy
Letter from T.H. Hayes, Jr. to Attorney Henry M. Beaty Jr
No full textA letter of recommendation for Russell B. Sugarmon, Jr. to be admitted to the bar in Memphis and Shelby County. The author commends his ability, character, and family background
Parallelisierung numerischer Verfahren zur Beschreibung von ausbreitungs-und chemischen Umwandlungsprozessen in der atmosphaerischen Grenzschicht
No full textIn dieser Arbeit werden Parallelisierungsstrategien fuer ein numerisches Simulationsmodell, das den Transport, die turbulente Diffusion und chemische Umwandlungen von Spurenstoffen in der atmosphaerischen Grenzschicht beschreibt, untersucht. Zunaechst werden die meteorologischen und chemischen Grundgleichungen, sowie die zur Loesung verwendeten numerischen Gitterpunktverfahren beschrieben. Nach der Diskussion einer modularen Vorgehensweise zur Parallelisierung werden verschiedene Gitterzerlegungsverfahren vorgestellt. Anhand der Realisierung der Verfahren auf der Paragon wird die Effizienz der Ergebnisse diskutiert und fuer eine Bewertung der Skalierung der Anzahl der Prozessoren bzw. des Modellgitters verwendet. (orig./KW)The work investigates parallelization strategies for a numerical simulation model describing the transport, turbulent diffusion and chemical conversion of trace substances in the atmospheric boundary layer. First of all, the basic meteorological and chemical equations as well as the numerical grid point techniques used for their solution are described. Upon discussion of a modular procedure for parallelization, different grid sectioning methods are presented. The realization of these methods on a Paragon computer permits to discuss the efficiency of the results and to use them in evaluating the scaling of the number of processors respectively the model grid. (orig./KW)SIGLEAvailable from TIB Hannover: RN 8424(18) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman
Towards sustainable and clean 3D Geoinformation
No full textThis paper summarises the on going research activities of the 3D Geoinformation Group at the Delft University of Technology. The main challenge underpinning the research of this group is providing clean and appropriate 3D data about our environment in order to serve a wide variety of applications. The research aims at designing, developing and implementing better systems to model 3D cities, buildings and landscapes. This paper motivates and highlights several topics that are currently being studied by the group: national 3D standard, LoD concept, maintenance of massive 3D data (including validation and automatic reparation), 3D base data, 3D data integration (specifically BIM/GIS) and 3D indoor modelling.Accepted Author ManuscriptUrban Data Scienc
Map of the emigrant road from Independence Mo. to St. Francisco, California /
No full textRelief shown by hachures.Accompanied by text: Accompaniment to the Map of the emigrant road from Independence, Mo. to St. Francisco, California by T.H. Jefferson, New York, 1849 (11 p., negative photocopy, folded in pocket, 16 cm.).LC Trails, 113"This map is in four parts and represents the emigrant road from Independence, Mo. by the South Pass of the Rocky Mountains to California. The author was one of a party of emigrants who travelled the road with waggons in 1846. All the streams of water and springs upon the road are delineated; also daily distances, courses and camps made by the party."--Printed on Part 1.Sheets labeled Part I, Part II, Part III, and Part IV.Includes notes and distance table.LC copy imperfect: Some acid-transfer. DLCLC copy quarter-bound in black leather with black and cream marbled board (42 cm.), map sheets mounted on linen. DL
A liberal theory of virtue and the good: The moral and political thought of T.H. Green
No full textThis dissertation critically examines the moral and political philosophy of T.H. Green in order to assess his reconceptualization of individuality, freedom, and rights within a common good liberal framework. The objective is to expand out understanding of Green's version of liberalism. There are four main themes: (1) Green's conception of individuality is appraised and upheld as a substitute for liberal individualism; (2) the role and place of values, virtues, and a conmon good in his moral philosophy are explored and defended vithin a liberal context; (3) Green's concept of political obligation, one based on a common good, is reviewed in order to demonstrate the liberal character of his apptoach; and (4) an attempt is made to extract from Green's texts a consistent theory of individual rights. The dissertation supports Green's revised conception of political obligation and his general theory of individual rights revolving around a liberal common good
Adaptive redundant residue number system coded multicarrier modulation
No full textThe novel class of nonbinary maximum minimum distance redundant residue number system (RRNS) codes is invoked in the context of adaptively RRNS coded, symbol-by-symbol adaptive multicarrier modulation, in order to combat the effects of frequency-selective fading inflicted by dispersive wide-band channels. The system’s performance can be adjusted in order to maintain a given target bit error rate (BER) and bit per symbol (BPS) performance. The proposed adaptive RRNS scheme outperforms the convolutional constituent code based turbo coded benchmarker system for channel signal-to-noise ratios (SNR) in excess of about 15 dB at a target BER of 10-4. Index Terms—Adaptive channel coding, adaptive modulation, adaptive OFDM, coded multicarrier modulation, OFDM, redundant residue number system
Universal low-temperature MWCNT-COOH-based counter electrode and a new thiolate-disulfide electrolyte system for dye-sensitized solar cells
No full textA new thiolate-disulfide organic-based electrolyte system composed of the tetrabutylammonium salt of 2-methyl-5-trifluoromethyl-2H-[1,2,4]triazole-3-thiol (S-) and its oxidized form 3,3′-dithiobis(2-methyl-5- trifluoromethyl-2H-[1,2,4]triazole) (DS) has been formulated and used in dye-sensitized solar cells (DSSCs). The electrocatalytic activity of different counter electrodes (CEs) has been evaluated by means of measuring J-V curves, cyclic voltammetry, Tafel plots, and electrochemical impedance spectroscopy. A stable and low-temperature CE based on acid-functionalized multiwalled carbon nanotubes (MWCNT-COOH) was investigated with our S--DS, I --I3 -, T--T2, and Co II-III-based electrolyte systems. The proposed CE showed superb electrocatalytic activity toward the regeneration of the different electrolytes. 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Fables for Children, Young and Old, in Humorous Verse
No full textSee the 1848 second edition of this lovely little book. The differences here include a pictorial onlay on the front cover, now very worn and only half present. There are only six hand-colored plates here, as opposed to eight there. Images not included here but in the second edition are The Barber and His Customer and How Sir Roger Spent Christmas. And this book extends not to 126 but only to 64, where there is the clear marker The End. The colored plate of Bears and Buffaloes now faces not the hand-colored title-page but its fable on 11. The cover is here green cloth. The six colored plates in common offer a fine occasion for comparing the differences in hand-coloring the same image. I will include here some of the comments I made on the second edition. About 5 x 6½. The signature of T.H. Jones is clear on each of the illustrations. The title-page illustration is strong: an adult with distinctive round glasses reads from a fable-book to an eager group of children. Another attractive illustration is that of Tom and Harry and the Donkey (28). The fables here seem new to the Aesopic tradition. While they are humorous, they are also pointedly didactic. For example, the sparrow that envies ducks sees two of them decapitated (32)! For me the morally focussed character of the fables can make them tiresome. There is a presentation inscription from the author on the half-title-page and, from thirty-four years later, an owner's inscription on the inside front endpaper. Not in Bodemann.This is a hardbound book (hard cover)Apparent first editionPresentation inscriptionby W. Edwards Stait
Een duurzaam stedelijk metabolisme
No full textCentraal in dit onderzoek staat de herontwikkeling van het militaire terrein Sijsele voor reductie, hergebruik en duurzame opwekking van emergy in de regio. De grootste opgave voor de ruimtelijke planning is deze eeuw door de verschillende stedelijke schaalniveaus heen, van gebouw tot regio, de transitie naar hernieuwbare energiebronnen. De gewenste integratie van het begrip energie in het ruimtelijk ontwerp is echter lastig daar waarbij de relaties tussen de functionele ruimtelijke organisatie en fysiologische processen complex en obscuur zijn. De stedebouwer bevindt zich hierin op transdisciplinair werkvlak, waarbij ‘traditioneel’ vormgeven van de morfologie zich steeds meer richt op de functionele dynamische organisatie, dat vergezeld gaat met onderzoek naar het stedelijk metabolisme: de totale som van technische en sociaaleconomische processen die stromen van energie en materiaal in de stad genereren, welke resulteren in groei, productie van emergy en (afbraak van) afvalstoffen. Bij een duurzaam stedelijk metabolisme zullen de beschikbare (hernieuwbare) energiebronnen het stedelijk landschap transformeren, waarbij de functies en hun netwerken beoordeeld worden op hun identiteit, diversiteit en flexibiliteit. Meervoudige systemen dienen opgezet te worden die de systeemonderdelen met elkaar verbindt. Naast inzichten in metabolisme van de stad vanuit de Industrial Ecology, zullen de nieuwe stappenstrategie (REAP) en energy Potential Mapping (EPM) de grondbeginselen zijn voor het vormgeven van de postfossiele stad, waarbij de netwerkstad lagenbenadering van Dupuy (2008) en het Emergy concept van Odum (1987) de schijnbaar tegengestelde dimensies van functionele ruimtelijke organisatie en het metabolisme doen vervlechten. Het ontwerp voor het militaire terrein laat zien hoe synergiën in de functionele ruimtelijke organisatie meerwaarde voor het bestaande creëren, door reductie, hergebruik en duurzame opwekking van emergy in de regioUrban RegenerationUrbanismArchitecture and The Built Environmen
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