35,850 research outputs found

    Two approaches to a portable color-measuring system

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    Descriptions of portable spectrophotometer and reflectometer for color measuremen

    Disjointness for measurably distal group actions and applications

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    We generalize Berg's notion of quasi-disjointness to actions of countable groups and prove that every measurably distal system is quasi-disjoint from every measure preserving system. As a corollary we obtain easy to check necessary and sufficient conditions for two systems to be disjoint, provided one of them is measurably distal. We also obtain a Wiener--Wintner type theorem for countable amenable groups with distal weights and applications to weighted multiple ergodic averages and multiple recurrence.Comment: 28 page

    Response to Shayah and Coatesworth

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    Full assessment of snoring should involve general and local factors which contribute to the patient's complaint, such as any history of apnoea attacks, high body mass index, reflux, smoking, alcohol consumption, uvulasize and laxity of soft palate, collar size and base of tongue. The paper did not clearly identify the potential importance of these factors

    Evaluation of commercial pyroelectric detectors

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    A series of commercially available pyroelectric detectors made from PVF2, LTO, SBN, and TGS were evaluated in terms of responsivity and detectivity as a function of frequency. The performance of the detectors evaluated was very different, depending upon the manufacturer of the detector, and this dependency was primarily related to the thickness of the various detectors. The best detectors of each material were comparable in performance at frequencies around 10 Hz but differed radically at frequencies above 100 Hz

    Soil sustainability in organic agricultural production

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    Traditionally, the assessment of soil sustainability and the potential impact of cultivation are based upon the application of chemical procedures. In the absence of a biological context, these measurements offer little in understanding longterm changes in soil husbandry. Detailed microcosm investigations were applied as a predictive tool for management change. The microcosms were designed with homogenised soils treated with organic amendments. Key soil functional relationships were quantified using stable isotope techniques, biochemical measurements and traditional approaches

    Loggerhead turtle (Caretta caretta) nest predation at Cape Range National Park

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    Most of the existing sea turtle populations worldwide are in decline. In particular, loggerhead turtles (Caretta caretta) are listed as endangered and loggerhead nesting populations in Eastern Australia have declined by 86% since the 1970s. However, whilst Eastern Australian loggerhead populations have been extensively studied and monitored, not much is known about the Western Australian nesting population

    A Target Restricted Assembly Method (TRAM) for Phylogenomics

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    While next generation sequencing technology can produce sequences covering the entire genome, assembly and annotation are still prohibitive steps for many phylogenomics applications. Here we describe a method of Target Restricted Assembly (TRAM) of a single lane of Illumina sequences for genes of relevance to phylogeny reconstruction, i.e. single copy protein-coding genes. This method has the potential to produce a data set of hundreds of genes using only one Illumina lane per taxon

    Parallelised max-log-MAP model

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    A paralleliscd max-Log-MAP model (P-max-Log-MAP) that exploits the sub-word parallelism and very long instruction word architccture of a microprocessor or a digital signal processor (DSP) is presented. The proposed model rcduccs considerably thc computational complexity of the max-Log-MAP algorithm; valid therefore facilitates easy implementation

    Transforming Curriculum: A Process for Implementing Problem-Based Learning in a College-Level Course

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    Access the online Pressbooks version of this article here. Transforming curriculum by implementing Problem-Based Learning (PBL) in the college-level classroom helps students internalize the concepts of a course, improve their critical and reflective thinking skills, learn to problem-solve using questioning, and ultimately construct a better understanding of course concepts in a personally relevant way. This article introduces a process for implementing PBL in a college-level course. Each of the four main ideas in PBL, motivation, collaboration, reflection, and facilitation, are addressed with a particular focus on the role of the educator in designing and implementing PBL in the classroom. An example of how the process works in a specific college-level course is provided with explanations of the thinking that went into each of the steps in the process and the outcomes of the implementation, including examples of student assignments and the challenges and benefits of the implementation
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