215 research outputs found

    Rewriting the History of the Native Mounted Police in Queensland

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    The Archaeology of the Native Mounted Police in Queensland project, jointly led by Nulungu research fellow Dr Lynley Wallis, is a long-overdue exploration into the nature of frontier invasion. Several of our team members have worked in Queensland for many decades and, in every Aboriginal community in which we’ve worked, stories are told about the ‘killing times’ or the ‘war’, as community members call the period when the Native Mounted Police (NMP, also referred to as the ‘Native Police’) were operating. Many community members have asked us over the years to record their stories about the massacres that took place, or have shown us places associated with the police camps or the massacre sites, and often told us that they would like to know more about what happened. These requests eventually led to the archaeologists on this project coming together, talking with key Aboriginal people and communities, and developing a research project to address their interests — the project described in this paper is the result.https://researchonline.nd.edu.au/nulungu_insights/1000/thumbnail.jp

    Design of an Automated Ultrasonic Scanning System for In-Situ Composite Cure Monitoring and Defect Detection

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    The preliminary design and development of an automated ultrasonic scanning system for in-situ composite cure monitoring and defect detection in the high temperature environment of an oven was completed. This preliminary design is a stepping stone to deployment in the high temperature and high pressure environment of an autoclave, the primary cure method of aerospace grade thermoset composites. Cure monitoring with real-time defect detection during the process could determine when defects form and how they move. In addition, real-time defect detection during cure could assist validating physics-based process models for predicting defects at all stages of the cure cycle. A physics-based process model for predicting porosity and fiber waviness originating during cure is currently under development by the NASA Advanced Composites Project (ACP). For the design, an ultrasonic contact scanner is enclosed in an insulating box that is placed inside an oven during cure. Throughout the cure cycle, the box is nitrogen-cooled to approximately room temperature to maintain a standard operating environment for the scanner. The composite part is mounted on the outside of the box in a vacuum bag on the build/tool plate. The build plate is attached to the bottom surface of the box. The scanner inspects the composite panel through the build plate, tracking the movement of defects introduced during layup and searching for new defects that may form during cure. The focus of this paper is the evaluation and selection of the build plate material and thickness. The selection was based on the required operating temperature of the scanner, the cure temperature of the composite material, thermal conductivity models of the candidate build plates, and a series of ultrasonic attenuation tests. This analysis led to the determination that a 63.5 mm thick build plate of borosilicate glass would be utilized for the system. The borosilicate glass plate was selected as the build plate material due to the low ultrasonic attenuation it demonstrated, its ability to efficiently insulate the scanner while supporting an elevated temperature on the part side of the plate, and the availability of a 63.5 mm thick plate without the need for lamination

    The Discipline of Dress: Uniform Buttons and Accoutrements of the Native Mounted Police in Queensland, Australia

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    Clothing is capable of providing a range of insights into aspects of identity, authority, power, and hierarchy. Here we present the results of an analysis of an assemblage of uniform buttons and accoutrements from seven 19th-century Native Mounted Police (NMP) camps in Queensland, Australia. As part of wider colonial structures of discipline and expropriation, the NMP uniform was a powerful symbol of control: over troopers’ bodies, over NMP detachments by officers, and over “wild” and “savage” Indigenous peoples by the NMP. Exploring the history and development of the NMP uniform, its intent in constructing officers and particularly troopers, the indexical qualities it acquired as a symbol of violence and fear amongst Indigenous people, and some of the alternative ways in which uniforms could be worn provides a variety of insights into the role, nature, and experience of the Queensland NMP. La ropa es puede proporcionar una variedad de conocimientos sobre aspectos de identidad, autoridad, poder y jerarquĂ­a. AquĂ­ presentamos los resultados de un anĂĄlisis de un conjunto de pertrechos y botones de uniformes de siete campamentos de la PolicĂ­a Montada Nativa (NMP, por sus siglas en inglĂ©s) del siglo XIX en Queensland, Australia. Como parte de estructuras coloniales mĂĄs amplias de disciplina y expropiaciĂłn, el uniforme de la NMP era un poderoso sĂ­mbolo de control: sobre los cuerpos de los soldados, sobre los destacamentos de la NMP por parte de los ofciales y sobre los pueblos indĂ­genas “salvajes” y “descontrolados” por parte de la NMP. Explorar la historia y el desarrollo del uniforme de la NMP, su intenciĂłn de construir ofciales y, en particular, soldados, las cualidades indexadas que adquiriĂł como sĂ­mbolo de violencia y miedo entre los pueblos indĂ­genas, y algunas de las formas alternativas en que se pueden usar los uniformes, proporciona una variedad de ideas sobre el papel, la naturaleza y la experiencia de la NMP de Queensland. Les vĂȘtements ont le potentiel d’apporter une variĂ©tĂ© d’éclairages sur les aspects liĂ©s Ă  l’identitĂ©, l’autoritĂ©, le pouvoir et la hiĂ©rarchie. Nous prĂ©sentons ici les rĂ©sultats d’une analyse d’un assemblage de boutons d’uniforme et d’habits provenant de sept camps de la Police montĂ©e (Native Mounted Police—NMP) du 19Ăšme siĂšcle dans le Queensland en Australie. S’inscrivant dans les structures coloniales plus vastes de la discipline et de l’expropriation, l’uniforme NMP Ă©tait un symbole puissant de contrĂŽle, Ă  savoir sur les corps de ses membres, sur les dĂ©tachements NMP par les ofciers et enfn sur les peuples indigĂšnes «sans retenue » et « sauvages » par le NMP. L’étude de l’histoire et du dĂ©veloppement de l’uniforme NMP, de son intention quant Ă  la construction d’ofciers et particuliĂšrement de membres de la police montĂ©e, des qualitĂ©s indexicales dont il a Ă©tĂ© investi en tant que symbole de violence et de peur parmi les peuples indigĂšnes, de mĂȘme que certaines des maniĂšres alternatives dont ces uniformes pouvaient ĂȘtre portĂ©s, fournit une variĂ©tĂ© d’éclairages sur le rĂŽle, la nature et l’expĂ©rience de la NMP du Queensland

    The impact of acute calcium intake on bone turnover markers during a training day in elite male rowers

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    Introduction: While an acute exercise session typically increases bone turnover markers (BTM), the impact of subsequent sessions and the interaction with pre-exercise calcium intake remains unclear despite the application to the ‘real life’ training of many competitive athletes. Methods: Using a randomized crossover design, elite male rowers (n = 16) completed two trials, a week apart, consisting of two 90-minute rowing ergometer sessions (Ex1, Ex2) separated by 150 minutes. Prior to each trial, participants consumed a high (CAL: ~1000 mg) or isocaloric low (CON: \u3c 10 mg) calcium meal. Biochemical markers including parathyroid hormone: PTH; serum ionised calcium (iCa) and bone turnover markers (C-terminal telopeptide of type I collagen: ÎČ-CTX-I; osteocalcin: OC) were monitored from baseline to 3 hours post Ex2. Results: While each session caused perturbances of serum iCa, CAL maintained calcium concentrations above those of CON for most time points, 4.5 and 2.4 % higher post EX1 and EX2 respectively. The decrease in iCa in CON was associated with an elevation of blood PTH (p \u3c 0.05) and ÎČ-CTX-I (p \u3c 0.0001) over this period of repeated training sessions and their recovery, particularly during and after Ex2. Pre-exercise intake of calcium-rich foods lowered BTM over the course of a day with several training sessions. Conclusions: Pre-exercise intake of a calcium-rich meal prior to training sessions undertaken within the same day had a cumulative and prolonged effect on the stabilisation of blood iCa during exercise. In turn, this reduced the post-exercise PTH response, potentially attenuating the increase in markers of bone resorption. Such practical strategies may be integrated into the athlete’s overall sports nutrition plan, with the potential to safeguard long term bone health and reduce the risk of bone stress injuries

    Plasmodium malariae in Haitian Refugees, Jamaica

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    Since 1963, reported malaria transmission in Haiti has been restricted to Plasmodium falciparum. However, screening of Haitian refugees in Jamaica in 2004, by microscopic examination, identified P. falciparum, P. vivax, and P. malariae. PCR confirmed the P. malariae and P. falciparum but not P. vivax infections. DNA sequencing and rRNA gene sequences showed transmission of P. malariae. This report confirms that P. malariae is still being transmitted in Haiti

    Project Report No. 59, Site Index Equations for Loblolly and Slash Pine Plantations in East Texas, Update: Fall 1997

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    Each published set of equations was developed from analyses of East Texas Pine Plantation Research Project (ETPPRP) data collected from the array of ETPPRP permanent research plots located throughout East Texas

    LSST: from Science Drivers to Reference Design and Anticipated Data Products

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    (Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a single wide-deep-fast sky survey, and LSST will have unique survey capability in the faint time domain. The LSST design is driven by four main science themes: probing dark energy and dark matter, taking an inventory of the Solar System, exploring the transient optical sky, and mapping the Milky Way. LSST will be a wide-field ground-based system sited at Cerro Pach\'{o}n in northern Chile. The telescope will have an 8.4 m (6.5 m effective) primary mirror, a 9.6 deg2^2 field of view, and a 3.2 Gigapixel camera. The standard observing sequence will consist of pairs of 15-second exposures in a given field, with two such visits in each pointing in a given night. With these repeats, the LSST system is capable of imaging about 10,000 square degrees of sky in a single filter in three nights. The typical 5σ\sigma point-source depth in a single visit in rr will be ∌24.5\sim 24.5 (AB). The project is in the construction phase and will begin regular survey operations by 2022. The survey area will be contained within 30,000 deg2^2 with ÎŽ<+34.5∘\delta<+34.5^\circ, and will be imaged multiple times in six bands, ugrizyugrizy, covering the wavelength range 320--1050 nm. About 90\% of the observing time will be devoted to a deep-wide-fast survey mode which will uniformly observe a 18,000 deg2^2 region about 800 times (summed over all six bands) during the anticipated 10 years of operations, and yield a coadded map to r∌27.5r\sim27.5. The remaining 10\% of the observing time will be allocated to projects such as a Very Deep and Fast time domain survey. The goal is to make LSST data products, including a relational database of about 32 trillion observations of 40 billion objects, available to the public and scientists around the world.Comment: 57 pages, 32 color figures, version with high-resolution figures available from https://www.lsst.org/overvie

    Stakeholder perspectives on implementing the National Cancer Institute’s patient-reported outcomes version of the Common Terminology Criteria for Adverse Events (PRO-CTCAE)

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    The National Cancer Institute (NCI) is developing a patient-reported version of its Common Terminology Criteria for Adverse Events, called the "PRO-CTCAE." The PRO-CTCAE consists of a library of patient-reported items which can be administered in clinical trials to directly capture the patient experience of adverse events during cancer treatment, as well as a software platform for administering these items via computer or telephone. In order to better understand the impressions of stakeholders involved in cancer clinical research about the potential value of the PRO-CTCAE approach to capturing adverse event information in clinical research, as well as their perspectives about barriers and strategies for implementing the PRO-CTCAE in NCI-sponsored cancer trials, a survey was conducted. A survey including structured and open-ended questions was developed to elicit perceptions about the use of patient-reported outcomes (PROs) for adverse event reporting, and to explore logistical considerations for implementing the PRO-CTCAE in cancer trials. The survey was distributed electronically and by paper to a convenience sample of leadership and committee members in the NCI's cooperative group network, including principal investigators, clinical investigators, research nurses, data managers, patient advocates, and representatives of the NCI and Food and Drug Administration. Between October, 2008 through February, 2009, 727 surveys were collected. Most respondents (93%) agreed that patient reporting of adverse symptoms would be useful for improving understanding of the patient experience with treatment in cancer trials, and 88%, 80%, and 76%, respectively, endorsed that administration of PRO-CTCAE items in clinical trials would improve the completeness, accuracy, and efficiency of symptom data collection. More than three fourths believed that patient reports would be useful for informing treatment dose modifications and towards FDA regulatory evaluation of drugs. Eighty-eight percent felt that patients in clinical trials would be willing to self-report adverse symptoms at clinic visits via computer, and 68% felt patients would self-report weekly from home via the internet or an automated telephone system. Lack of computers and limited space and personnel were seen as potential barriers to in-clinic self-reporting, but these were judged to be surmountable with adequate funding. The PRO-CTCAE items and software are viewed by a majority of survey respondents as a means to improve adverse event data quality and comprehensiveness, enhance clinical decision-making, and foster patient-clinician communication. Research is ongoing to assess the measurement properties and feasibility of implementing this measure in cancer clinical trials

    Energy intake and expenditure assessed ‘in-season’ in an elite European rugby union squad.

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    This is an Accepted Manuscript of an article published by Taylor & Francis in European Journal of Sport Science on 09/06/2015, available online: http://www.tandfonline.com/doi/pdf/10.1080/17461391.2015.1042528Rugby union (RU) is a complex high-intensity intermittent collision sport with emphasis placed on players possessing high lean body mass and low body fat. After an 8 to 12-week pre-season focused on physiological adaptations, emphasis shifts towards competitive performance. However, there are no objective data on the physiological demands or energy intake (EI) and energy expenditure (EE) for elite players during this period. Accordingly, in-season training load using global positioning system and session rating of perceived exertion (sRPE), alongside six-day assessments of EE and EI were measured in 44 elite RU players. Mean weekly distance covered was 7827 ± 954 m and 9572 ± 1233 m with a total mean weekly sRPE of 1776 ± 355 and 1523 ± 434 AU for forwards and backs, respectively. Mean weekly EI was 16.6 ± 1.5 and 14.2 ± 1.2 megajoules (MJ) and EE was 15.9 ± 0.5 and 14 ± 0.5 MJ. Mean carbohydrate (CHO) intake was 3.5 ± 0.8 and 3.4 ± 0.7 g.kg-1 body mass, protein intake was 2.7 ± 0.3 and 2.7 ± 0.5 g.kg-1 body mass, and fat intake was 1.4 ± 0.2 and 1.4 ± 0.3 g.kg-1 body mass. All players who completed the food diary self-selected a 'low' CHO 'high' protein diet during the early part of the week, with CHO intake increasing in the days leading up to a match, resulting in the mean EI matching EE. Based on EE and training load data, the EI and composition seems appropriate, although further research is required to evaluate if this diet is optimal for match day performance
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