897,103 research outputs found

    SPIRE Map-Making Test Report

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    The photometer section of SPIRE is one of the key instruments on board of Herschel. Its legacy depends very much on how well the scanmap observations that it carried out during the Herschel mission can be converted to high quality maps. In order to have a comprehensive assessment on the current status of SPIRE map-making, as well as to provide guidance for future development of the SPIRE scan-map data reduction pipeline, we carried out a test campaign on SPIRE map-making. In this report, we present results of the tests in this campaign.Comment: This document has an executive summary, 6 chapters, and 102 pages. More information can be found at: https://nhscsci.ipac.caltech.edu/sc/index.php/Spire/SPIREMap-MakingTest201

    Penggunaan Mind Map Untuk Materi Asam Basa Kelas Xi Sma/Ma

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    This research is a development that aims to develop a chemistry mind map enrichment book acid and base solution material and to know the quality of the chemistry mind map enrichment book. This research uses an ADDIE (Analysis, Design, Development or Production, Implementation or Delivery and Evaluations) development model. The data obtained in the form of data product development process based on expert advice and input from the media, materials experts, peer reviewer, learners, and reviewers, as well as data quality level of products based on an assessment of five reviewers. Assessment instrument consisting of 24 items indicators. Results of the assessment in the form of quantitative data in the form of a score, then converted into qualitative data quality enrichment books chemistry mind map, based on the assessment criteria ideal. Aspects assessed include feasibility aspects of content, presentation, and a mind map. The results obtained are already successfully compiled book mapmateri mind enrichment solution chemistry of acids and bases with the percentage of each aspect ideals are respectively 91.5%, 88.57%, and 87.56%, so it was concluded that the chemistry mind map enrichment book acid and base solution material has a very good quality (SB) for these three aspects and fit for use as a textbook for students learning

    Hazard and risk assessment for indirect potable reuse schemes: An approach for use in developing Water Safety Plans

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    This is the post-print version of the final paper published in Water Research. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. Copyright @ 2010 Elsevier B.V.This paper describes research undertaken to develop an approach for facilitating an initial hazard assessment and risk characterisation for a proposed indirect potable reuse scheme, as part of the water safety plan recommended by the World Health Organization. The process involved a description and evaluation of the catchment, which was the sewerage system supplying the sewage treatment works that would provide the effluent to supply the pilot scale indirect potable reuse water treatment plant. Hazards, sources and barriers throughout the proposed system were identified and evaluated. An initial assessment of the possible hazards, highlighted chemical hazards as predominating, and assessment of risks, using a heat map as output, categorised most hazards as medium or high risk. However, this outcome has been influenced by a precautionary approach which assigned a high likelihood to the occurrence of hazards where no data was available on their occurrence in the system. As more data becomes available, and the waster safety plan develops, it is anticipated that the risk heat map will become more specific. Additionally, high quality targets, to drinking water standards, have been set, although water from the potable reuse plant will be discharged to receiving waters where it will undergo natural attenuation prior to further treatment to potable standards before distribution. The assessment has demonstrated the usefulness of the approach where data is initially limited, in generating a heat map allowing for prioritisation of hazards to a practical level.Thames Water Utilities Ltd and Mexican Consejo Nacional de Ciencia y Tecnologıa

    Dont write, just mark: the validity of assessing student ability via their computerized peer-marking of an essay rather than their creation of an essay

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    This paper reports on a case study that evaluates the validity of assessing students via a computerized peer-marking process, rather than on their production of an essay in a particular subject area. The study assesses the higher-order skills shown by a student in marking and providing consistent feedback on an essay. In order to evaluate the suitability of this method of assessment in judging a students ability, their results in performing this peer-marking process are correlated against their results in a number of computerized multiple-choice exercises and also the production of an essay in a cognate area of the subject being undertaken. The results overall show a correlation of the expected results in all three areas of assessment being undertaken, rated by the final grades of the students undertaking the assessment. The results produced by quantifying the quality of the marking and commenting of the students is found to map well to the overall expectations of the results produced for the cohort of students. It is also shown that the higher performing students achieve a greater improvement in their overall marks by performing the marking process than those students of a lower quality. This appears to support previous claims that awarding a 'mark for marking' rewards the demonstration of higher order skills of assessment. Finally, note is made of the impact that such an assessment method can have upon eradicating the possibility of plagiarism
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