5,741 research outputs found

    Organizing Blacktop Maintenance Operations

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    Mass Loadings of Selected Water Quality Parameters for the State of Florida

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    The mass loadings of pollutants common in surface waters result from the discharges of many different sources. In the last few years it has been noted that nonpoint sources contribute more pollutants than point sources. This is because in many cases the point source discharges have been, by law, reduced drastically. In the State of Florida many water quality parameters were examined to estimate the mass loadings in streams related to, drainage area, average flow, land use, soil type and management practices. A total of sixteen streams were examined. The information was first calculated for mass loadings as a function of stream flow. Next the slopes and intercepts were related to drainage area. Both steps were accomplished using bi-variate regression analysis. The final results show a relationship of Total Organic Carbon, Orthophosphate, Total Phosphate and Nitrate to drainage area and stream flow. However, the final results of this study when related to another study in Florida showed different mass loading rates for TOC and TP. The differences were attributed to background levels of pollutants, local geology, hydrologic variability and management practices

    The Write Stuff: The Plausible Capability of Jesus’ Followers to Author the Gospels

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    It is common for critics of the New Testament to cite William Harris’ 10% literacy rate for first-century Greco-Romans as evidence for the implausibility of Jesus’ followers to write, publish, and circulate the New Testament. This “evidence” is often used to dismiss the entire New Testament as a second-century fabrication that cannot accurately represent the true teachings of Jesus. Is this an accurate portrayal of Galilee during the time of Jesus? The purpose of this article is to demonstrate that Jesus’ followers possessed the “‘Write’ Stuff”—the ability to read, write, and memorize, as well as, access to the technology needed to produce and publish the New Testament

    Integrated problem solving environment: the SCIRun computational steering system

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    Journal ArticleSCIRun is a scientific programming environment that allows the interactive construction, debugging, and steering of large-scale scientific computations. We review related systems and introduce a taxonomy that explores different computational steering solutions, Considering these approaches, we discuss why a tightly integrated problem solving environment, such as SCIRun, simplifies the design and debugging phases of computational science applications and how such an environment aids in the scientific discovery process

    Evidence for a Mid-Atomic-Number Atmosphere in the Neutron Star 1E1207.4-5209

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    Recently Sanwal et al. (2002) reported the first clear detection of absorption features in an isolated neutron star, 1E1207.4-5209. Remarkably their spectral modeling demonstrates that the atmosphere cannot be Hydrogen. They speculated that the neutron star atmosphere is indicative of ionized Helium in an ultra-strong (~1.5x10^{14} G) magnetic field. We have applied our recently developed atomic model (Mori & Hailey 2002) for strongly-magnetized neutron star atmospheres to this problem. We find that this model, along with some simp le atomic physics arguments, severely constrains the possible composition of the atmosphere. In particular we find that the absorption features are naturally associated with He-like Oxygen or Neon in a magnetic field of ~10^{12} G, comparable to the magnetic field derived from the spin parameters of the neutron star. This interpretation is consistent with the relative line strengths and widths and is robust. Our model predicts possible substructure in the spectral features, which has now been reported by XMM-Newton (Mereghetti et al. 2002). However we show the Mereghetti et al. claim that the atmosphere is Iron or some comparable high-Z element at ~ 10^{12} G is easily ruled out by the Chandra and XMM-Newton data.Comment: 5 pages, AASTeX, Revised version. Accepted for publication in ApJ Letter

    Draft Genome Sequence of Mycobacterium arupense Strain GUC1.

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    We report the draft genome sequence of Mycobacterium arupense strain GUC1 from a sputum sample of a patient with bronchiectasis. This is the first draft genome sequence of Mycobacterium arupense, a rapidly growing nonchromogenic mycobacteria

    Draft Genome Sequence of Mycobacterium elephantis Strain Lipa.

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    We report the draft genome sequence of Mycobacterium elephantis strain Lipa from a sputum sample of a patient with pulmonary disease. This is the first draft genome sequence of M. elephantis, a rapidly growing mycobacterium

    Draft Genome Sequence of Mycobacterium obuense Strain UC1, Isolated from Patient Sputum.

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    We report the draft genome sequence of Mycobacterium obuense strain UC1 from a patient sputum sample. This is the first draft genome sequence of Mycobacterium obuense, a rapidly growing scotochromogenic mycobacterium
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