5,094 research outputs found

    Geraldton region land resources survey

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    This report presents results from soil and landform mapping at a scale of 1:250,000 for approximately 2.1 million hectares of the wheat-sheep belt of Western Australia. The study area corresponds with the Geraldton advisory district for Agriculture Western Australia and is the northern extent of the wheatbelt. The area covers parts of three major geological regions of Western Australia: the Perth Basin, Carnarvon Basin and the Yilgarn Craton. Fifty-one soil-landscape systems have been identified, some of which have been divided into subsystems, and are illustrated on the accompanying maps. The landform, parent material, rainfall, land use, native vegetation and soils are described within the text. Forty-eight soil series are described. Five soil properties and six degradation risks are described for each soil series. The areas for each system are indicated with approximate proportions for soils. The report provides an inventory of the soil and land resources of the Geraldton agricultural region for use in regional land use planning and interpretation

    Generating Functional for Strong and Nonleptonic Weak Interactions

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    The generating functional for Green functions of quark currents is given in closed form to next-to-leading order in the low-energy expansion for chiral SU(3), including one-loop amplitudes with up to three meson propagators. Matrix elements and form factors for strong and nonleptonic weak processes with at most six external states can be extracted from this functional by performing three-dimensional flavour traces. To implement this procedure, a Mathematica program is provided that evaluates amplitudes with at most six external mesons, photons (real or virtual) and virtual W (semileptonic form factors). The program is illustrated with several examples that can be compared with existing calculations.Comment: 26 pages; references added, comparison with other programs added, small changes in the text, version to appear in JHE

    AI is a viable alternative to high throughput screening: a 318-target study

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    High throughput screening (HTS) is routinely used to identify bioactive small molecules. This requires physical compounds, which limits coverage of accessible chemical space. Computational approaches combined with vast on-demand chemical libraries can access far greater chemical space, provided that the predictive accuracy is sufficient to identify useful molecules. Through the largest and most diverse virtual HTS campaign reported to date, comprising 318 individual projects, we demonstrate that our AtomNet® convolutional neural network successfully finds novel hits across every major therapeutic area and protein class. We address historical limitations of computational screening by demonstrating success for target proteins without known binders, high-quality X-ray crystal structures, or manual cherry-picking of compounds. We show that the molecules selected by the AtomNet® model are novel drug-like scaffolds rather than minor modifications to known bioactive compounds. Our empirical results suggest that computational methods can substantially replace HTS as the first step of small-molecule drug discovery

    A Profile of Freshman Inquiry Students Fall 2022

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    In order to better understand the students who enroll in Freshman Inquiry (FRINQ) courses and identify areas where they may need support, University Studies (UNST) began collecting and compiling data on these students. This report presents a profile of FRINQ students from Fall 2022. It presents an overview of all students enrolled in FRINQ during Fall 2022 and then summarizes information from the Prior Learning Survey. It is organized around three areas that contribute to student success: academic preparation and concern; financial and physical wellbeing; and connectedness to campus

    University Studies Annual Assessment 2012-2013

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    Annual in-depth examination and assessment of Portland State University\u27s general education model, the University Studies Program. The tools and methods used to assess student learning are faculty driven and developed

    A Profile of Sophomore Inquiry Students Fall 2022

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    In order to better understand the students who enroll in Sophomore Inquiry (SINQ) courses and begin to identify areas where they may need support, University Studies (UNST) began collecting and compiling data on these students. This report presents a profile of SINQ students from Fall 2022. It presents an overview of all students enrolled in SINQ during Fall 2022 and then summarizes information from the Prior Learning Survey. It is organized around three areas that contribute to student success: academic preparation and concern; financial and physical wellbeing; and connectedness to campu

    Frequency of instrument, environment, and laboratory technologist contamination during routine diagnostic testing of infectious specimens

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    ABSTRACT Laboratory testing to support the care of patients with highly infectious diseases may pose a risk for laboratory workers. However, data on the risk of virus transmission during routine laboratory testing conducted using standard personal protective equipment (PPE) are sparse. Our objective was to measure laboratory contamination during routine analysis of patient specimens. Remnant specimens were spiked with the nonpathogenic bacteriophage MS2 at 1.0 Ă— 10 7 PFU/ml, and contamination was assessed using reverse transcriptase PCR (RT-PCR) for MS2. Specimen containers were exteriorly coated with a fluorescent powder to enable the visualization of gross contamination using UV light. Testing was performed by two experienced laboratory technologists using standard laboratory PPE and sample-to-answer instrumentation. Fluorescence was noted on the gloves, bare hands, and laboratory coat cuffs of the laboratory technologist in 36/36 (100%), 13/36 (36%), and 4/36 (11%) tests performed, respectively. Fluorescence was observed in the biosafety cabinet (BSC) in 8/36 (22%) tests, on test cartridges/devices in 14/32 (44%) tests, and on testing accessory items in 29/32 (91%) tests. Fluorescence was not observed on or in laboratory instrumentation or adjacent surfaces. In contrast to fluorescence detection, MS2 detection was infrequent (3/286 instances [1%]) and occurred during test setup for the FilmArray instrument and on FilmArray accessory equipment. The information from this study may provide opportunities for the improvement of clinical laboratory safety practices so as to reduce the risk of pathogen transmission to laboratory workers. </jats:p

    Does your candidate meet the physical fitness standard for a South Carolina law enforcement recruit?

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    This project focuses on the Physical Ability Test that recruits are required to complete as a part of their training at the South Carolina Criminal Justice Academy and any improvements that could be made in the overall agency training
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