5,554 research outputs found
WG RR Bell
No full textWG RR Bell (artifact image), from A History of Central Florida: Podcast, Episode 20: Railroad Bells. Episode 20 features a discussion of the railroad bells housed at the Halifax Historical Museum and the Central Florida Railroad Museum.https://stars.library.ucf.edu/ahistoryofcentralfloridaimages/1121/thumbnail.jp
Navajos at St. Christopher\u27s Mission (the church bell from Penn RR)
No full textNavajoNavajos at St. Christopher\u27s Mission (the church bell from Penn RR
Mental illness and its treatment today
No full textThis paper discusses how the treatment of people with mental illness has been affected by the changes within health and welfare provision brought about by political change and austerity measures.
It is published by the Centre for Health and the Public Interest (CHPI) which has been set up by Colin Leys and his colleagues. Colin Leys is an emeritus professor of Public Health and an activist in protecting the NHS and the Public Sector. He is co-author of 'The Plot Against the NHS'
Is ethanol a pro-drug? Acetaldehyde contribution to brain ethanol effects
No full textThis article presents the proceedings of a symposium at the 2004 meeting of the International Society for Biomedical Research on Alcoholism, held in Mannheim, Germany. The symposium was organized by Etienne Quertemont and chaired by C. J. Peter Eriksson. The presentations were (1) Brain ethanol metabolism and its behavior consequences, by Sergey M. Zimatkin and P. S. Pronko; (2) Acetaldehyde increases dopaminergic neuronal activity: a possible mechanism for acetaldehyde reinforcing effects, by Marco Diana and Milena Pisano; (3) Contrasting the reinforcing actions of acetaldehyde and ethanol within the ventral tegmental area (VTA) of alcohol-preferring (P) rats, by Zachary A. Rodd and Richard R. Bell; (4) Molecular and biochemical changes associated with acetaldehyde toxicity, by Roberta J. Ward; and (5) Role of acetaldehyde in human alcoholism and alcohol abuse, by C. J. Peter Eriksson
H E&W T RR
No full textPhotograph of downtown walking tour sign about the 1882 coming of the H E&W T RR and Cotton Square area
No RR strike : Pearson special1963-06-11
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Previous issue date: 2007-02-2
A&NR RR and Timber Industry
No full textPhotograph of mural by Lance Hunter on Angelina Street in downtown Lufkin, Texas. The mural is on the back of the Lufkin ISD Administration Building that faces Cotton Square and is built where the 1882 Houston E.& W. railway depot was located. The Angelina & Neches (A&N) RR was a local short-line railroad started in 1900 to service the Angelina Lumber Company Mill (later the Southland Paper Mill) located about a mile east of this
Collisional ionization equilibrium for optically thin plasmas. I. Updated recombination rate coefficients for bare through sodium-like ions
No full textReliably interpreting spectra from electron-ionized cosmic plasmas requires accurate ionization balance calculations for the plasma in question. However, much of the atomic data needed for these calculations have not been generated using modern theoretical methods and are often highly suspect. This translates directly into the reliability of the collisional ionization equilibrium (CIE) calculations. We make use of state-of-the-art calculations of dielectronic recombination (DR) rate coefficients for the hydrogenic through Na-like ions of all elements from He up to and including Zn. Where measurements exist, these published theoretical DR data agree with recent laboratory work to within typically 35% or better at the temperatures relevant for CIE. We also make use of state-of-the-art radiative recombination (RR) rate coefficient calculations for the bare through Na-like ions of all elements from H through to Zn. Here we present improved CIE calculations for temperatures from 104 to 109 K using our data and the recommended electron impact ionization data of Mazzotta et al. for elements up to and including Ni and Mazzotta for Cu and Zn. DR and RR data for ionization stages that have not been updated are also taken from these two additional sources. We compare our calculated fractional ionic abundances using these data with those presented by Mazzotta et al. for all elements from H to Ni. The differences in peak fractional abundance are up to 60%. We also compare with the fractional ionic abundances for Mg, Si, S, Ar, Ca, Fe, and Ni derived from the modern DR calculations of Gu for the H-like through Na-like ions, and the RR calculations of Gu for the bare through F-like ions. These results are in better agreement with our work, with differences in peak fractional abundance of less than 10%
Author Co-Citation Analysis (ACA): a powerful tool for representing implicit knowledge of scholar knowledge workers
No full textIn the last decade, knowledge has emerged as one of the most important and valuable organizational assets. Gradually this importance caused to emergence of new discipline entitled ―knowledge management‖. However one of the major challenges of knowledge management is conversion implicit or tacit knowledge to explicit knowledge. Thus Making knowledge visible so that it can be better accessed, discussed, valued or generally managed is a long-standing objective in knowledge management. Accordingly in this paper author co- citation analysis (ACA) will be proposed as an efficient technique of knowledge visualization in academia (Scholar knowledge workers)
Analysis of MicroRNA Expression in Embryonic Developmental Toxicity Induced by MC-RR
No full textAs cynobacterial blooms frequently occur in fresh waters throughout the world, microcystins (MCs) have caused serious damage to both wildlife and human health. MCs are known to have developmental toxicity, however, the possible molecular mechanism is largely unknown. This is the first toxicological study to integrate post-transcriptomic, proteomic and bioinformatics analysis to explore molecular mechanisms for developmental toxicity of MCs in zebrafish. After being microinjected directly into embryos, MC-RR dose-dependently decreased survival rates and increased malformation rates of embryos, causing various embryo abnormalities including loss of vascular integrity and hemorrhage. Expressions of 31 microRNAs (miRNAs) and 78 proteins were significantly affected at 72 hours post-fertilisation (hpf). Expressions of miR-430 and miR-125 families were also significantly changed. The altered expressions of miR-31 and miR-126 were likely responsible for the loss of vascular integrity. MC-RR significantly reduced the expressions of a number of proteins involved in energy metabolism, cell division, protein synthesis, cytoskeleton maintenance, response to stress and DNA replication. Bioinformatics analysis shows that several aberrantly expressed miRNAs and proteins (involved in various molecular pathways) were predicted to be potential MC-responsive miRNA-target pairs, and that their aberrant expressions should be the possible molecular mechanisms for the various developmental defects caused by MC-RR
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