1,730,469 research outputs found

    Letter from Mark B. Dayton regarding the NAACP convention

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    Letter from Mark B. Dayton welcoming the NAACP to Minneapolis for their convention. Also includes information regarding a task force and the Mayor of Minneapolis Sharon Sayles-Belton

    Letter from Mark B. Kerr to John Muir, 1892 Mar 24.

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    of the Yukon Expedition will have charge.Very truly Mark B. Kerr. 600 30 18,000 .05 0001563https://scholarlycommons.pacific.edu/jmcl/38604/thumbnail.jp

    Article by Mark B LeDuc, an attorney in Augusta, on the three years he served a

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    Article by Mark B LeDuc, an attorney in Augusta, on the three years he served as Gov John R McKernan\u27s chief legislative aide -- LeDuc writes that he left the McKernan administration because of the disparity between the real and the imagined legislative and political processe

    Means, Mark B.

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    Carte de Visite of Mark B. Means, US Navy gunner (USS Monongahela); From the MacDonald Collectionhttps://digitalmaine.com/arc_civilwarportraits/2499/thumbnail.jp

    Means, Mark B.

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    Carte de Visite of Mark B. Means, US Navy gunner (USS Monongahela); From the MacDonald Collectionhttps://digitalmaine.com/arc_civilwarportraits/2499/thumbnail.jp

    RT-PCR and MARK-B test results.

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    (A) Peak current values of RT-PCR-positive and RT-PCR-negative samples. (B) Correlation between peak current values (MARK-B, log2 scale) and the Ct values of the RdRp gene (60 RT-PCR-positive samples; ○, MARK-B false negative). (C) Receiver operating characteristic (ROC) curve analysis. The MARK-B test indicated an area under the ROC curve value of 0.930 (95% CI 0.880–0.963). Dotted line: lot-specific cut-off (8.325 μA), ****P < 0.0001.</p

    A multiwavelength analysis of M31's globular clusters and their low mass X-ray binaries

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    A multiwavelength analysis of M31’s globular clusters and their low mass X-ray binaries by Mark B. Peacock Globular clusters (GCs) are dense groups of thousands to millions of stars. They are often very old systems with ages similar to those of their host galaxies and the early Universe. These clusters provide unique laboratories for astrophysical research and have been used by countless studies to improve our understanding of the Universe. In particular, they are ideal locations for studying stellar evolution and the formation and evolution of galaxies. They also provide unique locations for studying individual exotic objects, such as X-ray binaries. In this study, I investigate the properties of GCs in the nearby spiral galaxy, M31. This galaxy hosts the largest GC population in the Local Group. This, combined with its relative proximity to us, makes it an important bridge between studies of Galactic and extragalactic GCs. However, previous catalogues of these clusters have suffered from significant inhomogeneity and contamination from both stars and galaxies. In this contribution I present new, homogeneous, optical and near infra-red photometry of the M31 GC system. In addition to this, the structural parameters for over half of the known clusters are determined through fitting point spread function convolved King models to their density profiles. This photometry is used to remove significant contamination from non-cluster sources in previous cluster catalogues and to confirm a large population of young clusters in the M31 cluster system. Determining the properties of these clusters is very important in investigating both this, and other, GC systems. It is also of great benefit in investigating the exotic objects hosted by these clusters. I combine these data with archived XMM Newton observations, to study the low mass X-ray binaries (LMXBs) in M31’s clusters. LMXBs are known to be relatively common in GCs and, through studying the properties of the GCs which host them, it is possible to investigate the effects of cluster environment on the formation and evolution of these systems. From this work, I demonstrate that the presence of LMXBs is proportional to the stellar collision rate of a GC. This provides good observational evidence that these LMXBs are formed through dynamical interactions. These data are also used to consider the morphology of horizontal branch stars in M31’s GCs. Published GALEX ultraviolet observations of these clusters are used as a probe into their hot stellar populations. From this work, I propose a relationship between the core density of these clusters and their ultraviolet colour. This result suggests that the formation of (FUV bright) extreme horizontal branch stars may be enhanced in dense stellar environments through stellar interaction

    Bain, Mark B.

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    Also available as a printed booklet and from the Dean of Faculty website https://theuniversityfaculty.cornell.edu/Memorial Statement for Mark B. Bain , who died in 2012. The memorial statements contained herein were prepared by the Office of the Dean of the University Faculty of Cornell University to honor its faculty for their service to the university

    Kaye, Mark B, 065-38-4504

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    This record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/396320Surname: KAYE. Given Name(s) or Initials: MARK B. Military Service Number or Last Known Location: 065-38-4504. Missing, Wounded and Prisoner of War Enquiry Card Index Number: SEA-4945.232751 Item: [2016.0049.28613] "Kaye, Mark B, 065-38-4504
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