1,872 research outputs found

    Energy and Nutrient Intake Monitoring

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    A passive system to determine the in-flight intake of nutrients is developed. Nonabsorbed markers placed in all foods in proportion to the nutrients selected for study are analyzed by neutron activation analysis. Fecal analysis for each market indicates how much of the nutrients were eaten and apparent digestibility. Results of feasibility tests in rats, mice, and monkeys indicate the diurnal variation of several markers, the transit time for markers in the alimentary tract, the recovery of several markers, and satisfactory use of selected markers to provide indirect measurement of apparent digestibility. Recommendations are provided for human feasibility studies

    Magnetohydrodynamic Flow Past a Permeable Bed

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    The paper evaluates mass flow velocity heat transfer rates and velocity/temperature distributions in the viscous, incompressible and slightly conducting fluid past a permeable bed in three different configurations namely (1) Couette flow (2) Poiseuille flow and (3) free surface flow, under the influence of a uniform transverse magnetic field. To discuss the solution, the flow region is divided into two zones : Zone 1 (from the impermeable upper rigid plate to the permeable bed) in which the flow is laminar and governed by Navier-Stokes equations, and Zone 2 (the permeable bed below the nominal surface) in which the flow is governed by Darcy law. The paper also investigates the effects of magnetic field, porosity and Biot number on the physical quantities mentioned above

    Designing an effective student evaluation of teaching (SET) questionnaire for cadaveric dissection

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    Recent changes in curriculum have seen a curtailment in the time devoted to the teaching of gross anatomy, one of the most integral components of medical education. This has resulted in the reduction, and in some cases the elimination of cadaveric dissection, most significantly due to the huge amount of resources involved in conducting a cadaveric dissection program. Nevertheless, cadaveric dissection still comprises a significant part of the time devoted to the teaching of gross anatomy. Hence it is of paramount importance that maximum benefit be derived from cadaveric dissections since it offers unique advantages, most significant being the appreciation of the three-dimensional concepts of body organization. The key part of effective anatomy teaching using cadaveric dissection is having the best instructors for this task. While student evaluation of teaching (SET) questionnaires have been used to evaluate instructor proficiency in lecture classes, there is no SET questionnaire that has been specifically designed for the assessment of instructors involved in cadaveric dissection. The aim of this article is to design a questionnaire specifically for the evaluation of the competency of instructors involved in cadaveric dissection, and reinforce the arguments for the continued use of cadaveric dissection in the teaching of anatomy.

    Ir_urfs_vf: Image Recommendation with User Relevance Feedback Session and Visual Features in Vertical Image Search

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    In recent years, online shopping has grown exponentially and huge number of images are available online. Hence, it is necessary to recommend various product images to aid the user in effortless and efficient access to the desired products. In this paper, we present image recommendation framework with user relevance feedback session and visual features (IR_URFS_VF) to extract relevant images based on user inputs. User feedback is retrieved from image search history with clicked and un-clicked images. Image features are computed off-line and later used to find relevance between images. The relevance between images is determined by cosine similarity and are ranked based on clicked frequency and similarity score between images. Experiments results show that IR_URFS_VF outperforms CBIR method by providing more relevant ranked images to the user input query
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