573 research outputs found

    Addressing Anti-Fat Bias: A Crash Course for Counselors and Counselors-in-Training

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    People with larger body sizes are often the target of harmful stereotypes such as being lazy, unattractive, and unintelligent. Such stereotypes are part of an extensive system of oppression often intersecting with racism, classism, and ableism. When counselors and counselors-in-training are unaware of their own biases related to body size, larger bodied clients are at risk for further harm within the very place they are seeking support. This article provides professional counselors and counselors-in-training with the historical knowledge needed to examine their own biases and prejudices around body size and fatness to become better counselors and advocates for all clients. Implications for counseling and counselor training and a brief list of action items are included

    Zeeman Relaxation of Cold Atomic Iron and Nickel in Collisions with 3He

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    We have measured the ratio of the diffusion cross-section to the angular momentum reorientation cross-section in the colliding Fe-3He and Ni-3He systems. Nickel (Ni) and iron (Fe) atoms are introduced via laser ablation into a cryogenically cooled experimental cell containing cold (< 1 K) 3He buffer gas. Elastic collisions rapidly cool the translational temperature of the ablated atoms to the helium temperature. The cross-section ratio is extracted by measuring the decays of the atomic Zeeman sublevels. For our experimental conditions, thermal energy is comparable to the Zeeman splitting. As a result, thermal excitations between Zeeman sublevels significantly impact the observed decay. To determine the cross-section ratio accurately, we introduce a model of Zeeman state dynamics that includes thermal excitations. We find the cross-section ratio for Ni-3He = 5 x 10^3 and Fe-3He <= 3 x 10^3 at 0.75 K in a 0.8 T magnetic field. These measurements are interpreted in the context of submerged shell suppression of spin relaxation as studied previously in transition metals and rare earth atoms.Comment: 10 pages, 5 figures; submitted to Phys. Rev.

    Specific-Heat of the Organic Metal Bis(tetrathiotetracene) Tri-Iodide from 20-K to 100-K, the Vicinity of the Metal-Nonmetal Phase-Transition

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    Journals published by the American Physical Society can be found at http://journals.aps.org

    Using Data-Informed Instruction to Drive Education: Keeping Catholic Education a Viable and Educationally Sound Option in Challenging Times

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    This study was conducted to obtain an understanding of the perceptions that Catholic schoolteachers possessed regarding data informed instructional (DII) practices, specifically curriculum based measurement (CBM). The researchers investigated changes in teacher’s perceptions from pretest to posttest to determine the impact of the 90-minute professional development on teacher’s perceptions of DII. Results showed that Catholic schoolteachers did perceive that they lacked sufficient knowledge to effectively implement curriculum-based measures prior to the training. Significant growth was noted with regard to their perceptions of their knowledge in some areas. According to the results of the paired samples t-test, a meaningful change in educators’ perceptions of DII was observed for three of the nine pairs of questionnaire items from pre to post-test. The findings support previous research and pave the way for future research on the impact of short, one-day professional development sessions

    Radiological risk from thoron, a case study: The particularly radon-prone area of Bolsena, and the lesson learned

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    Abstract The contribution of 220 Rn is usually negligible compared to that of 222 Rn: its very short half-life makes escape from its source site within the rock very unlikely and it never has time enough to filtrate through the ground and through cracks in the floors or cellar walls to reach living quarters. This however becomes untrue if walls built with 232 Th-rich materials are present: then sizeable amounts of thoron may be detected in the closed areas bounded by those walls. This is the case for many dwellings in central Italy, and the town of Bolsena (northern Latium) is presented as a case study. A typical building of the area, entirely constructed with tuff blocks, is investigated and the annual dose rates calculated for varying distances from the wall. Thoron concentration was found to decrease with a relaxation length of 13 cm. Thoron was found to pose a significant risk. The rate of air exchange was found to produce little effect. Wall plastering acts as a filter: thoron diffuses through it but a HVL of less than 1 cm was found to prevail

    Relationship between weight and linear dimensions of Bluefin tuna (Thunnus thynnus) following fattening on western Mediterranean farms

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    This study presents various models based on formulae relating weight and dimensions (length, height and width) of Bluefin tuna, Thunnus thynnus (L.), fattened in captivity. The main aim of establishing these expressions is to design tools for indirectly predicting the weight of a Bluefin tuna from measurements of one or more dimensions obtained using non- invasive methods such as stereoscopic cameras. Measurements of maximum length, height and width following slaughter were taken of fish fattened in captivity (n = 2078). Different relationships drawn from the dimensions of the tuna against their weight are fitted with part of the data collection and later checked against a reserved sample set. The resulting formu- lae are compared with the formulae most commonly used in the case of wild tuna. The results of this study confirm that, for tuna fattened in cages, the availability of more than one dimension to estimate weight improves the predictive power of the model and reduces error in the estimate.En prensa4,41

    Analysis of Potential Benefits and Costs of Adopting a Commercial Building Energy Standard in South Dakota

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    The state of South Dakota is considering adopting a commercial building energy standard. This report evaluates the potential costs and benefits to South Dakota residents from requiring compliance with the most recent edition of the ANSI/ASHRAE/IESNA 90.1-2001 Energy Standard for Buildings except Low-Rise Residential Buildings. These standards were developed in an effort to set minimum requirements for the energy efficient design and construction of new commercial buildings. The quantitative benefits and costs of adopting a commercial building energy code are modeled by comparing the characteristics of assumed current building practices with the most recent edition of the ASHRAE Standard, 90.1-2001. Both qualitative and quantitative benefits and costs are assessed in this analysis. Energy and economic impacts are estimated using results from a detailed building simulation tool (Building Loads Analysis and System Thermodynamics [BLAST] model) combined with a Life-Cycle Cost (LCC) approach to assess corresponding economic costs and benefits
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