48 results for "Tim Harris"
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Welfare aspects of the long distance transportation of animals — the Animal Transportation Association
The international and long distance movement of animals is a far larger business than most people imagine. Some reasons are outlined in this paper, along with the history of the AATA (Animal [Air] Transportation Association). This trade association has been involved for over 30 years in developing…
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Incorporating IT and Multi-Media Activity Into Field-Based Undergraduate Research: Geography at Staffordshire University
The use of both specialist and generic computing software is well embedded into teaching curricula. Over the last decade geographers have started to use mobile digital media devices (MDMD) to deliver teaching, especially field work, in new and innovative ways. Delivering teaching materials through…
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Frequency-splitting estimators of single-propagator traces
Abstract Single-propagator traces are the most elementary fermion Wick contractions which occur in numerical lattice QCD, and are usually computed by introducing random-noise estimators to profit from volume averaging. The additional contribution to the variance induced by the random noise is…
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Association of central capillary refill time with mortality in adult trauma patients: a secondary analysis of the crash-2 randomised controlled trial data
Abstract Background Trauma-related injuries account for up to 4.4 million deaths annually worldwide. Failure to identify haemorrhage in trauma patients increases mortality. This study examines the association of central capillary refill time (CRT) and mortality in adult trauma patients, especially…
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Deep inelastic scattering on the quark-gluon plasma
Abstract We provide an interpretation of the structure functions of a thermal medium such as the quark-gluon plasma in terms of the scattering of an incoming electron on the medium via the exchange of a spacelike photon. We then focus on the deep-inelastic scattering (DIS) regime, and formulate the…
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Investigating the ability of non-invasive measures of cardiac output to detect a reduction in blood volume resulting from venesection in spontaneously breathing subjects
Abstract Background Monitoring cardiac output (CO) in shocked patients provides key etiological information and can be used to guide fluid resuscitation to improve patient outcomes. Previously this relied on invasive monitoring, restricting its use in the Emergency Department (ED) setting. The…
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Multi-level Monte Carlo computation of the hadronic vacuum polarization contribution to (gμ − 2)
The hadronic contribution to the muon anomalous magnetic moment aμ=(gμ−2)/2 has to be determined at the per-mille level for the Standard Model prediction to match the expected final uncertainty from the ongoing E989 experiment. This is 3 times better than the current precision from the dispersive…
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Emergency department non-invasive cardiac output study (EDNICO): an accuracy study
Abstract Background There is little published data investigating non-invasive cardiac output monitoring in the emergency department (ED). We assess here the accuracy of five non-invasive methods in detecting fluid responsiveness in the ED: (1) common carotid artery blood flow, (2) suprasternal…
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Baryonic screening masses in QCD at high temperature
We compute the baryonic screening masses of the nucleon and of its negative parity partner in thermal QCD with Nf=3 massless quarks for a wide range of temperatures, from T∼1 GeV up to ∼160 GeV. The computation is performed by Monte Carlo simulations of lattice QCD with O(a)-improved Wilson…
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Incidence of admission ionised hypocalcaemia in paediatric major trauma: protocol for a systematic review and meta-analysis
Introduction Hypocalcaemia forms part of the ‘diamond of death’ in major trauma, alongside hypothermia, acidosis and coagulopathy. In adults, admission hypocalcaemia prior to transfusion is associated with increased mortality, increased blood transfusion requirements and coagulopathy. Data on…
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Vacuum correlators at short distances from lattice QCD
Abstract Non-perturbatively computing the hadronic vacuum polarization at large photon virtualities and making contact with perturbation theory enables a precision determination of the electromagnetic coupling at the Z pole, which enters global electroweak fits. In order to achieve this goal ab…
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Non-perturbative thermal QCD at all temperatures: the case of mesonic screening masses
Abstract We present a strategy based on the step-scaling technique to study non-perturbatively thermal QCD up to very high temperatures. As a first concrete application, we compute the flavour non-singlet meson screening masses at 12 temperatures covering the range from T ∼ 1 GeV up to ∼ 160 GeV in…
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Emergency department non-invasive cardiac output study (EDNICO): a feasibility and repeatability study
Abstract Background There is little published data investigating non-invasive cardiac output monitoring in the emergency department (ED). We assessed six non-invasive fluid responsiveness monitoring methods which measure cardiac output directly or indirectly for their feasibility and repeatability…
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The incidence of admission ionised hypocalcaemia in paediatric major trauma-A systematic review and meta-analysis.
ObjectivesIn adult major trauma patients admission hypocalcaemia occurs in approximately half of cases and is associated with increased mortality. However, data amongst paediatric patients are limited. The objectives of this review were to determine the incidence of admission ionised hypocalcaemia…
Also available at: PLOS
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Genome-Wide Association Study and Gene-Based Analysis of Participants With Hemophilia A and Inhibitors in the My Life, Our Future Research Repository
IntroductionUp to 30% of individuals with hemophilia A develop inhibitors to replacement factor VIII (FVIII), rendering the treatment ineffective. The underlying mechanism of inhibitor development remains poorly understood. The My Life, Our Future Research Repository (MLOF RR) has gathered F8 and…
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Comparison of cardiac index measurements in intensive care patients using continuous wave vs. pulsed wave echo-Doppler compared to pulse contour cardiac output
Abstract Purpose Cardiac index (CI) assessments are commonly used in critical care to define shock aetiology and guide resuscitation. Echocardiographic assessment is non-invasive and has high levels of agreement with thermodilution assessment of CI. CI assessment is derived from the velocity time…