2,758 research outputs found

    The economics of railroad freight rates.

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    Thesis (M.A.)--Boston Universit

    \u3ci\u3eSeeley v. State\u3c/i\u3e: The Need for Definitional Balancing in Washington Substantive Due Process Law

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    Seeley v. State, concerning the medical use of marijuana, underscored yet again the fundamental tensions and flaws in federal substantive due process analysis. The U.S. Supreme Court has increasingly restricted the definition of fundamental rights, leaving many important interests exposed to the highly deferential rational relationship standard for state regulation. Under the bifurcated federal substantive due process test, the initial classification of an individual interest as fundamental or non-fundamental is highly outcome determinative, leading to contorted definitions of individual rights before the test for the validity of a regulation is even applied. Washington has generally followed federal constitutional law when analyzing due process issues. This Note argues that Seeley v. State presented the Supreme Court of Washington with an opportunity to depart finally from the flawed federal analysis and adopt a substantive due process test that is better gauged to the importance of the individual interest at stake. In conclusion, the Note proposes a definitional balancing test that accords varying levels of protection to different rights depending upon the importance of the individual interest

    Aquatic Macroinvertebrates of Three Acid Bogs on Crowley\u27s Ridge in Northeast Arkansas

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    Qualities and quantities of parameters composing the bog systems in Northeast Arkansas are not entirely reflective of those defining bogs of the northern United States. While pH is restricting to the organisms of each bog studied (4.8-6.9), the major limiting factor is the amount of available water. Three acidophilic bogs with shallow water depths (2-30 cm) yielded a total of 75 aquatic macroinvertebrate taxa. The bog with greatest surface area supported 67 taxa and a mean numerical standing crop of 14 organisms/2 hr sampling period. The bog with the smallest surface area had 13 taxa and a mean standing crop of 2 organisms/2 hr sampling period. No clear seasonal fluctuations were observed in these bogs because the standing crops were never great, and because the amount of water available exerted the greater influence. Water levels did not always fluctuate in consort among the bogs

    Integrating University Value Messages into the Basic Communication Course: Implications for Student Recall and Adjustment to College

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    This study investigated the effects of integrating a university’s core value messages into the curriculum of a basic communication course on student recall of the messages, adjustment to college, and learning. A quasi-experimental design was used to examine differences between students (n = 302) assigned to one of three conditions: control group, message-only group, and message and experience group. The message and experience group learned about the university’s core value messages as part of their course curriculum, engaged in an out-of-class experience focused on these value messages, and completed a group problem-solving project related to these messages. The message only group learned about the university’s value messages and completed the same group problem-solving project, but did not engage in the out-of-class experience. The control group did not learn about the university’s messaging and completed the group problem-solving project related to a campus-based problem of their choice. Results reveal significant differences in student recall of the messages and student learning. No differences emerged in student adjustment to college based on experimental groupings. The results suggest communicating these messages solely in the basic communication course may not be a sufficient condition for facilitating student adjustment to the university’s culture

    Binary Black-Hole Mergers in Magnetized Disks: Simulations in Full General Relativity

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    We present results from the first fully general relativistic, magnetohydrodynamic (GRMHD) simulations of an equal-mass black hole binary (BHBH) in a magnetized, circumbinary accretion disk. We simulate both the pre and post-decoupling phases of a BHBH-disk system and both "cooling" and "no-cooling" gas flows. Prior to decoupling, the competition between the binary tidal torques and the effective viscous torques due to MHD turbulence depletes the disk interior to the binary orbit. However, it also induces a two-stream accretion flow and mildly relativistic polar outflows from the BHs. Following decoupling, but before gas fills the low-density "hollow" surrounding the remnant, the accretion rate is reduced, while there is a prompt electromagnetic (EM) luminosity enhancement following merger due to shock heating and accretion onto the spinning BH remnant. This investigation, though preliminary, previews more detailed GRMHD simulations we plan to perform in anticipation of future, simultaneous detections of gravitational and EM radiation from a merging BHBH-disk system.Comment: 5 pages, 5 figure

    Trauma-Informed Pedagogy: Promoting Inclusivity in the Basic Course

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    The goal of trauma-informed pedagogy is to understand how trauma impacts how our students learn. As such, basic communication course (BCC) instructors need to better understand trauma-informed pedagogy as a means of promoting diversity, equity, and inclusion. The BCC curriculum often requires a level of vulnerability among our student body, therefore instructors need to become aware of practices to build trust and create community. Three ideas are outlined to showcase trauma-informed pedagogy in the BCC; (1) promoting well-being, (2) developing transparency, (3) fostering growth

    The influences of added mass on muscle activation and contractile mechanics during submaximal and maximal countermovement jumping in humans

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    This is the final version. Available from the Company of Biologists via the DOI in this recordMuscle contractile mechanics induced by the changing demands of human movement have the potential to influence our movement strategies. This study examined fascicle length changes of the triceps surae during jumping with added mass or increasing jump height to determine whether the chosen movement strategies were associated with relevant changes in muscle contractile properties. Sixteen participants jumped at sub-maximal and maximal intensities while total net work was matched via two distinct paradigms: (1) adding mass to the participant or (2) increasing jump height. Electromyography (EMG) and ultrasound analyses were performed to examine muscle activation, fascicle length and fascicle velocity changes of the triceps surae during jumping. Integrated EMG was significantly higher in the added mass paradigm with no difference in mean or maximal EMG, indicating that the muscle was activated for a significantly longer period of time but not activated to a greater intensity. Fascicle shortening velocity was slower with added mass compared than with increasing jump height; therefore, intrinsic force–velocity properties probably enabled increased force production. Improved fascicle contractile mechanics paired with a longer activation period probably produced a consistently larger fascicle force, enabling a greater impulse about the ankle joint. This may explain why previous research found that participants used an ankle-centred strategy for work production in the added mass paradigm and not in the jump height paradigm. The varied architecture of muscles within the lower limb may influence which muscles we choose to employ for work production under different task constraints.Australian Postgraduate Awar
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