110,269 research outputs found

    Rees, T R, VX36023

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/412666Surname: REES. Given Name(s) or Initials: T R. Military Service Number or Last Known Location: VX36023. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 42210.229376 Item: [2016.0049.44928] "Rees, T R, VX36023

    Dataset for Doublet tracer tests to determine the contaminant flushing properties of a municipal solid waste landfill

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    Data supporting: Woodman, N., Rees-White, T., Beaven, R., Stringfellow, A., &amp; Barker, J. (2017). Doublet tracer tests to determine the contaminant flushing properties of a municipal solid waste landfill. Journal of Contaminant Hydrology.</span

    Dipole tracer tests to examine flow and transport between wells

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    In many older landfills in the UK, significant depths of saturated waste exist (and are permitted) in sites benefiting from natural containment created by surrounding geology with low permeability. In order to accelerate solute flushing in these sites, the introduction of water and removal of leachate between vertical wells is a practical option. The basic hydraulic unit for such systems is a simple well-pair, whereby one well injects fluid and a second abstracts at the same rate. Such a pair is often called a dipole or a doublet. It is useful to understand flow and solute movement in this basic unit, which can thereafter be used to design more elaborate field-scale systems.In this study, the hydraulic and contaminant transport properties of dipoles were examined at varying scales in a landfill by running dipole tracer tests using Rhodamine WT dye. <br/

    B-0743k: Teague T. Rees residence. Sec 14 T 11 N R 1 E. Built 1900

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    B-0743k: Teague T. Rees residence. Sec 14 T 11 N R 1 E. Built 1900 (2 photos

    Green index in semigroups : generators, presentations and automatic structures

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    The Green index of a subsemigroup T of a semigroup S is given by counting strong orbits in the complement S n T under the natural actions of T on S via right and left multiplication. This partitions the complement S nT into T-relative H -classes, in the sense of Wallace, and with each such class there is a naturally associated group called the relative Schützenberger group. If the Rees index ΙS n TΙ is finite, T also has finite Green index in S. If S is a group and T a subgroup then T has finite Green index in S if and only if it has finite group index in S. Thus Green index provides a common generalisation of Rees index and group index. We prove a rewriting theorem which shows how generating sets for S may be used to obtain generating sets for T and the Schützenberger groups, and vice versa. We also give a method for constructing a presentation for S from given presentations of T and the Schützenberger groups. These results are then used to show that several important properties are preserved when passing to finite Green index subsemigroups or extensions, including: finite generation, solubility of the word problem, growth type, automaticity (for subsemigroups), finite presentability (for extensions) and finite Malcev presentability (in the case of group-embeddable semigroups).Peer reviewe

    Letter, 1936 Apr. 9, Chicago, to Miss Earhart

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    Letter, Robert T. Rees of the Chicago Tribune to Amelia Earhart, humorous letter calling Earhart Mrs. Putnam, April 9, 193

    Derived Rees matrix semigroups as semigroups of transformations

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    An ordered pair (e, f) of idempotents of a regular semigroup is called a skew pair if ef is not idempotent whereas fe is idempotent. Previously [1] we have established that there are four distinct types of skew pairs of idempotents. We have also described (as quotient semigroups of certain regular Rees matrix semigroups [2]) the structure of the smallest regular semigroups that contain precisely one skew pair of each of the four types, there being to within isomorphism ten such semigroups. These we call the derived Rees matrix semigroups. In the particular case of full transformation semigroups we proved in [3] that T-X contains all four skew pairs of idempotents if and only if \X\ &gt;= 6. Here we prove that T-X contains all ten derived Rees matrix semigroups if and only if \X\ &gt;= 7.</p

    The history of Pembrokeshire,

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    "The author had projected a history that would have dealt with the county to the close of the nineteenth century. His outline included three chapters ... Georgian Pembrokeshire, The landing of the French, and Modern days, which he did not live to write." The incomplete manuscript was pub. after his death under the general superintendence of T. C. Rees. cf. Foreword (by J. and M. Phillips)Mode of access: Internet

    Green index and finiteness conditions for semigroups

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    Let S be a semigroup and let T be a subsemigroup of S. Then T acts on S by left and by right multiplication. If the complement S \ T has finitely many strong orbits by both these actions we say that T has finite Green index in S. This notion of finite index encompasses subgroups of finite index in groups, and also subsemigroups of finite Rees index (complement). Therefore, the question of S and T inheriting various finiteness conditions from each other arises. In this paper we consider and resolve this question for the following finiteness conditions: finiteness, residual finiteness, local finiteness, periodicity, having finitely many right ideals, and having finitely many idempotents. (c) 2008 Elsevier Inc. All rights reserved.Peer reviewe

    Summary data for tracer gas dispersion tests for landfill methane emission monitoring at a UK landfill

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    This dataset supports the publications: 1) Rees-White, T. C., M&oslash;nster, J., Beaven R. P., Scheutz, C. (2018) Measuring methane emissions from a UK landfill sing the tracer dispersion method and the influence of operational and environmental factors https://doi.org/10.1016/j.wasman.2018.03.023 2) Matacchiera F, Manes C, Beaven RP, Rees-White TC, Boano F, M&oslash;nster J and Scheutz C (2018). AERMOD as a Gaussian dispersion model for planning tracer gas dispersion tests for landfill methane emission quantification https://doi.org/10.1016/j.wasman.2018.02.007 Contents +++++++++ This dataset contains the data discussed within the papers listed above and in certain Figures from the Rees-White paper. The figures are as follows: Fig. 3. Atmospheric pressure and wind speed during the period of August 5th to August 14th, 2014. Start and end times of each TDM experiment are given as vertical lines Fig. 4. Incoming solar radiation and air temperature during the period of August 3th to August 14th, 2014. Start and end times of each TDM experiment are given as vertical lines Fig. 6 (a to f). Methane emission data for each transect in a TDM with average overall emission and the 95% confidence interval. The name of the monitoring route used for a given transect is also shown Fig. 7. Measured methane emissions vs. average wind speed for the six TDM trials. Linear regression is given (R2 = -0.82). Fig. 8. Individual transect data from TDM2 shown against estimated wind speed, interpolated between measurement points. Data are colour coded to reflect the monitoring route used. a) shows data between 18:07 and 20:09, and b) 20:59 to 22:14. Fig. 9. a) Average methane emission data from each monitoring route shown against measuring distance, b) Average methane emission rate from each monitoring route for a given TDM measured at different monitoring distances. Geographic location of this data collection: University of Southampton, U.K. Dataset available under a CC BY 4.0 licence Publisher: University of Southampton, U.K. Date: April 2018</span
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