3,407 research outputs found

    Alien Registration- Delong, Phyllis G. (Monticello, Aroostook County)

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    https://digitalmaine.com/alien_docs/33888/thumbnail.jp

    Space Station evolution study oxygen loop closure

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    In the current Space Station Freedom (SSF) Permanently Manned Configuration (PMC), physical scars for closing the oxygen loop by the addition of oxygen generation and carbon dioxide reduction hardware are not included. During station restructuring, the capability for oxygen loop closure was deferred to the B-modules. As such, the ability to close the oxygen loop in the U.S. Laboratory module (LAB A) and the Habitation A module (HAB A) is contingent on the presence of the B modules. To base oxygen loop closure of SSF on the funding of the B-modules may not be desirable. Therefore, this study was requested to evaluate the necessary hooks and scars in the A-modules to facilitate closure of the oxygen loop at or subsequent to PMC. The study defines the scars for oxygen loop closure with impacts to cost, weight and volume and assesses the effects of byproduct venting. In addition, the recommended scenarios for closure with regard to topology and packaging are presented

    Faculty Productivity and Carnegie Institutional Characteristics within AEJMC Programs

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    This article reports the results of a content analysis of faculty vitae from eighteen ACEJMC programs drawn using stratified random sampling by Carnegie Classification. The findings indicate that faculty members differ by Carnegie Classification on research productivity, highest earned degrees, professional experience, time assignments (for research, teaching, and service), contact and credit hours, and external grants.Yeshttps://us.sagepub.com/en-us/nam/manuscript-submission-guideline

    Functionally redundant multimodal predator cues elicit changes in prey foraging behavior

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    Many prey species can assess the risk of predation from information acquired through different sensory systems. For many animals, this information is detected with sensory organs specialized for visual (sight) or chemical (smell or taste) stimuli. It is unclear; however, whether information acquired through multiple sensory systems is functionally redundant or interchangeable, especially if the message is the same. Here, we assess prey response to unimodal visual and chemical cues as well as multimodal (visual + chemical) cues. We specifically test if a foraging individual shows a stronger behavioral response to risk when they can perceive that risk through multimodal versus unimodal cues. To do this, we measured the functional response (prey abundance–foraging rate relationship) of Tibellus oblongus spiders foraging on midges while exposing them to visual stimuli, chemical stimuli, or a combination of both visual and chemical stimuli from potential predators. We then determined if the spider’s functional response for the multimodal treatment differed more strongly from a control treatment than from either unimodal treatment. We found that under any simulated predation risk (multimodal and both unimodal), T. oblongus spiders showed longer handling times than in control groups without risk. However, we saw no elevated anti-predator response in the multimodal treatment, suggesting that information from visual and chemical modalities is interchangeable and sufficient to indicate reliably predation risk

    Non-Fermi-liquid behavior in nearly ferromagnetic metallic SrIrO3 single crystals

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    We report transport and thermodynamic properties of single-crystal SrIrO3 as a function of temperature T and applied magnetic field H. We find that SrIrO3 is a non-Fermi-liquid metal near a ferromagnetic instability, as characterized by the following properties: (1) small ordered moment but no evidence for long-range order down to 1.7 K; (2) strongly enhanced magnetic susceptibility that diverges as T or T1/2 at low temperatures, depending on the applied field; (3) heat capacity C(T,H) ~ -Tlog T that is readily amplified by low applied fields; (4) a strikingly large Wilson ratio at T< 4K; and (5) a T3/2-dependence of electrical resistivity over the range 1.7 < T < 120 K. A phase diagram based on the data implies SrIrO3 is a rare example of a stoichiometric oxide compound that exhibits non-Fermi-liquid behavior near a quantum critical point (T = 0 and H = 0.23 T)
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