1,245 research outputs found

    Church of Christ unto a People in Kentucky & the Adjacent States: Introduction

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    This pamphlet played an important role in the expansion of Shakerism into the western states of Ohio, Kentucky and Indiana. It is in the form of a letter written to participants in the Kentucky Revival who attended the remarkable frontier camp meetings. Whether Youngs, Meacham and Bates carried printed or manuscript versions of the Letter, it remains the second earliest known written statement by the Shakers directed to the world

    Language and Race: A Keyword Study

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    Development of Prototype Pixellated PIN CdZnTe Detectors

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    We report initial results from the design and evaluation of two pixellated PIN Cadmium Zinc Telluride detectors and an ASIC-based readout system. The prototype imaging PIN detectors consist of 4X4 1.5 mm square indium anode contacts with 0.2 mm spacing and a solid cathode plane on 10X10 mm CdZnTe substrates of thickness 2 mm and 5 mm. The detector readout system, based on low noise preamplifier ASICs, allows for parallel readout of all channels upon cathode trigger. This prototype is under development for use in future astrophysical hard X-ray imagers with 10-600 keV energy response. Measurements of the detector uniformity, spatial resolution, and spectral resolution will be discussed and compared with a similar pixellated MSM detector. Finally, a prototype design for a large imaging array is outlined.Comment: 10 pages Latex, 9 figures, to appear in Proc. of SPIE Vol. 3446 "Hard X-ray and Gamma-Ray Detector Physics and Applications

    Still a Librarian

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    Several letters to the editor are presented in response to articles in previous issues including The Ebook Opportunity in the November 15, 2011 issue, Library Science Without the Library in the January 12, 2012 issue, and Beyond the Stars in the November 1 2011 issue, which discusses advocacy for public libraries

    Trans-Pacific doctoral success – A collaborative cohort model

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    The San Jose Gateway PhD program is a doctoral partnership between the School of Information at San Jose State University (SJSU) in the USA, and the Information Systems School at the Queensland University of Technology (QUT) in Australia. Because of Californian legislation, SJSU has not been able to offer PhD degrees. The Gateway Program therefore provides a research pathway for SJSU’s coursework students. It also helps the School to grow the research capacity of academic staff. For QUT, the Program provides the opportunity to advance research agendas and to build strong international connections and partnerships. The Program began in 2008. It is a distance-delivered cohort-based scheme with new students commencing in August of each year. All students are enrolled as part-time students in QUT’s Doctor of Philosophy. Each student is assigned supervisors from both universities. In addition to individual and group supervisory meetings, all students and supervisors meet in a virtual meeting space once a month. The online monthly meetings are supplemented by two residential events each year: (i) a one week face to face residential in August at San Jose State University, and (ii) an online residential in March. This paper will critically reflect upon this unique Program, which has led to high quality research outcomes, rapid completions, and noteworthy graduate employments. Critical consideration of the challenges and future proofing of the approach will also be explored

    Poster: implications of merging phases on scalability of multi-core architectures

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    Amdahl's Law estimates parallel applications with negligible serial sections to potentially scale to many cores. However, due to merging phases in data mining applications, the serial sections do not remain constant. We extend Amdahl's model to accommodate this and establish that Amdahl's Law can overestimate the scalability offered by symmetric and asymmetric architectures for such applications. Implications: 1) A better use of the chip area is for fewer and hence more capable cores rather than simply increasing the number of cores for symmetric and asymmetric architectures and 2) The performance potential of asymmetric over symmetric multi-core architectures is limited for such applications

    The Effects of Testosterone Indicators on Consumer Risk-Taking

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    Although extensive research has examined physiological influences on consumer behavior, how hormones influence risk-taking behavior is not yet well understood. My dissertation focuses on how testosterone might influence consumer risk-taking. In paper one (Stenstrom & Saad, 2011), the literature on testosterone and risk-taking is reviewed. We argue that testosterone has organizational and activational effects on both financial risk-taking and pathological gambling. In paper two (Stenstrom, Saad, Nepomuceno, & Mendenhall, 2011), we focus on the organizational effects of testosterone on risk-taking. Specifically, the association between digit ratio, a proxy of prenatal testosterone exposure, and risk-taking across five domains (recreational, social, financial, health-related, and ethical) is investigated. We find that digit ratio is predictive of risk-taking propensity in recreational, social, and financial (but not health-related or ethical) domains in Caucasian males. In paper three (Stenstrom & Saad, Working Paper), we shift our attention towards activational effects of testosterone on risk-taking. We investigate how exposure to babies, which purportedly elicits testosterone changes, influences risk-taking. In particular, we show that exposure to visual baby stimuli leads to lesser risk-taking among non-parents, while eliciting greater risk-taking among parents. Further, we find that baby sounds (laughs and cries) lead to lesser risk-taking in non-parents. Taken together, the three papers herein suggest that testosterone has both organizational and activational effects on consumer risk-taking, and that future research would benefit from considering hormonal, evolutionary, and social influences on risk-taking

    INSTALLATION OF LSA ON A 400 KV DOUBLE-CIRCUIT LINE IN RUSSIA

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    Necessary information for making decisions regarding installation of LSA in a double circuit 400 kV line running between substation Vyborgskaya in Russia and substations Yullikyalya and Kyumi in Finland are discussed. Lightning discharge energy requirements for LSA have been calculated and the risk for single- and double-circuit lightning related faults with and without arresters has been estimated as a function of tower footing resistance. The decisions regarding ultimate number and location of arresters along the line are described and the type and technical data of the arresters selected are given. Furthermore the measuring system used to monitor lightning surges through the arresters is presented as well as the experience from the installation and the 3 years of service

    Effect of Interaction of Methanol Leaf Extract of Spondias mombin (Linn) and Amoxicillin on Some Diarrheagenic Escherichia coli

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    Purpose: To study the effect of interaction between methanol leaf extract of Spondias mombin and amoxicillin on diarrheagenic Escherichia coli (DEC).Methods: Cold methanol extraction of Spondias mombin leaf and its phytochemical screening were carried out. Isolated, characterized and identified strains of enterotoxigenic E. coli (ETEC), enteroinvasive E. coli (EIEC), and enterohemorrhagic E. coli (EHEC) from watery stool, mucoid bloody stool and watery bloody stool of diarrheal patients, respectively, were confirmed and typed by conventional and molecular methods. The minimum inhibitory concentration (MIC) and ½ MIC at which the extract and amoxicillin interacted were determined.Results: Spondias mombin extract showed remarkable antibacterial activity at extract concentration of 50 - 200 mg/mL with a mean zone of inhibition (MZ) ≥ 11.1 and activity index (AI) of 0.8 - 1.1. MIC of 12.5 mg/mL was observed for both ETEC and EIEC while it was 6.25 mg/mL for EHEC. The extract showed synergistic interaction at various concentrations (50 – 200, 12.5 and 6.25 mg/mL, respectively) with amoxycillin against ETEC, EHEC and EIEC. Synergy across a wide range of concentrations compared favourably with the ½ MIC and MIC of both extract and amoxycillin for ETEC. The extract contained moderate levels of alkaloids, flavonoids and tannins, as well as a lot of saponins, and low levels of phenol. The activity of the extract of Spondias mombin compares well with that of amoxicillin with AI ≥ 1 in some cases.Conclusion: A synergistic interaction between the leaf extract of S. mombin and amoxicillin confirms the extract as potential antibacterial agent but further studies are required to ascertain this.Keywords: Diarrheagenic E. coli, Drug interaction, Spondias mombin, Amoxicillin, Time-kill, Activity inde
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