1,722 research outputs found

    The future of Tasman Peninsula

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    Tasman Peninsula is, and could continue to be, a valuable multiple-use resource, but careful and co-ordinated planning will be required, if past errors are to be overcome and its potential realised

    Individual differences in self-enhancement and self-protection strategies: an integrative analysis

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    Research has identified a large number of strategies that people use to self-enhance or self-protect. We aimed for an empirical integration of these strategies. Two studies used self-report items to assess all commonly recognized self-enhancement or self-protection strategies. In Study 1 (N = 345), exploratory factor analysis identified four reliable factors. In Study 2 (N = 416), this model was validated using confirmatory factor analysis. The factors related differentially to the key personality variables of regulatory focus, self-esteem, and narcissism. Expanding this integrative approach in the future can reveal a great deal about the structure and dynamics of self-enhancement and self-protection motivation

    Employee Recruitment and Retention in Rural Emergency Medicine: Why is turnover so high and how do we change it?

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    The focus of this research is majorly based upon literature review. From the collected data in the referenced articles, comparisons are made to determine the best options for employee recruitment and retention in rural emergency medicine facilities; changing turnover rates is the ultimate goal

    Blast mines: physics, injury mechanisms and vehicle protection.

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    Since World War II, more vehicles have been lost to land mines than all other threats combined. Anti-vehicular (AV) mines are capable of disabling a heavy vehicle, or completely destroying a lighter vehicle. The most common form of AV mine is the blast mine, which uses a large amount of explosive to directly damage the target. In a conventional military setting, landmines are used as a defensive force-multiplier and to restrict the movements of the opposing force. They are relatively cheap to purchase and easy to acquire, hence landmines are also potent weapons in the insurgents armamentarium. The stand-offnature of its design has allowed insurgents to cause significant injuries to security forces in current conflicts with little personal risk. As a result, AV mines and improvised explosive devices (IEDs) have become the most common cause of death and injury to Coalition and local security forces operating in Iraq and Afghanistan. Detonation of an AV mine causes an explosive, exothermic reaction which results in the formation of a shockwave followed by a rapid expansion of gases. The shockwave is mainly reflected by the soillair interface and fractures the soil cap overthe mine. The detonation products then vent through the voids in the soil, resulting in a hollow inverse cone which consists of the detonation gases surrounded by the soil ejecta. It is the combination of the detonation products and soil ejecta that interact with the target vehicle and cause injury to the vehicle occupants. A number of different strategies are required to mitigate the blast effects of an explosion. Primary blast effects can be reduced by increasing the standoff distance between the seat of the explosion and the crew compartment. Enhancement of armour on the base of the vehicle, as well as improvements in personal protection can prevent penetration of fragments. Mitigating tertiary effects can be achieved by altering the vehicle geometry and structure, increasing vehicle mass, as well as developing new strategies to reduce the transfer of the impulse through the vehicle to the occupants. Protection from thermal injury can be provided by incorporating fire resistant materials into the vehicle and in personal clothing. The challenge for the vehicle designer is the incorporation of these protective measures within an operationally effective platform.Published versio

    Kin recognition in the rat

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    An Evaluation of Multi-Component Weft-Knitted Twill Structures for Sensing Tensile Force

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    We present multi-component knitted resistive sensors for tracking tensile force. The knits were fabricated using a Twill structure, which is a simple pattern featuring anisotropic elastic behavior, providing high stability along course-direction. Our sensors are made of two commercially available conductive yarn types, with highly different linear resistance. We present a variety of integration methods using the proposed Twill structure, all of which can be easily replicated on a two-bed weft-knitting machine. We evaluate the performance of the resulting sensor variations, with respect to consistency, hysteresis, short-term and long-term relaxation and drift, among other metrics. We found that particulars of the knit's loop composition have a crucial effect on the consistency of the sensor readings. Furthermore, we show that knitting resistive yarn more tightly than the substrate material gives superior results and that improving elastic recoil by adding Lycra to the supporting substrate can considerably improve performance
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