14,287 research outputs found

    Conflict Resolution in E-HRM Environments

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    There have been studies on conflict resolutions but many focused on regional inter-tribe and international conflicts between or among nations of the world. Only very few have written about industrial conflict recently, even these few did not touch the mechanism of resolving conflicts in the organization in depth. Therefore, this article will focus on various conflict resolution mechanisms and the three major models of conflict resolutions—namely distributive bargaining, integrated bargaining, and interactive problem solving as given by Cross, Susan, Rosenthal, and Robert (1999). To do this effectively, we will explore the available literature on the antecedents of conflicts in human resource systems. Varieties of views and notions held by individuals and groups in respect of the role and the consequences of conflicts in the functioning of humans in our modern complex organizations will be considered. The consequences of conflicts on interpersonal, inter-group, and inter-organizational processes, when conflict may empower, distress, or lubricate the wheels of human interaction in the context of human resource management will be traced. The views of experts, professionals and academicians on how and why conflicts should be handled to ensure a healthier and conducive environment to work will be traced

    The abiotic ecology of breeding ground of Palaemonid prawns in the Ilaje Estuary, Ondo State, Nigeria

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    In situ ecological assessment of the breeding grounds of palaemonid prawns was conducted in some selected locations around Ondo state coastal area between the months of April and September. Data obtained were subjected to both descriptive and inferential statistics. Three species of Palaemonid prawns were identified in four different locations within the study area with relative abundance ratio of 4:3:1. Macrobrachium macrobrachion, Nematopalaemon hastatus and Palaemon maculatus respectively. Sex ratio of 1 male to 5 females for M. macrobrachion, and 1 male to 2 females for N. hastatus and P. maculatus were observed with result showing significant relationships (P < 0.05) in distribution patterns across collection sites. Population distribution within the water column showed that palaemons are sub-lithoral prawns inhabiting maximum mean depth of 0.67m ± 0.025. Surface macro-phytes such as Eichhornia crassipies, Paspalum vaginatum, and Pistia stratiotes are common providing hiding spots for the prawn at the breeding ground. The mean soil pH across the sites stands at 6.67± 0.399 with the soil textural class that range from silty-loam to silty-clay. Also, the water quality parameters of study areas suggest that captive culture and rearing of Palaemons may be feasible outside the breeding areas

    The labial gene is required to terminate proliferation of identified neuroblasts in postembryonic development of the Drosophila brain

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    The developing brain of Drosophila has become a useful model for studying the molecular genetic mechanisms that give rise to the complex neuronal arrays that characterize higher brains in other animals including mammals. Brain development in Drosophila begins during embryogenesis and continues during a subsequent postembryonic phase. During embryogenesis, the Hox gene labial is expressed in the developing tritocerebrum, and labial loss-of-function has been shown to be associated with a loss of regional neuronal identity and severe patterning defects in this part of the brain. However nothing is known about the expression and function of labial, or any other Hox gene, during the postembryonic phase of brain development, when the majority of the neurons in the adult brain are generated. Here we report the first analysis of Hox gene action during postembryonic brain development in Drosophila. We show that labial is initially expressed in six larval brain neuroblasts, of which only four give rise to the labial expressing neuroblast lineages present in the late larval brain. Although MARCM-based clonal mutation of labial in these four neuroblast lineages does not result in an obvious phenotype, a striking and unexpected effect of clonal labial loss-of-function does occur during postembryonic brain development, namely the formation of two ectopic neuroblast lineages that are not present in wild-type brains. The same two ectopic neuroblast lineages are also observed following cell death blockage and, significantly, in this case the resulting ectopic lineages are Labial-positive. These findings imply that labial is required in two specific neuroblast lineages of the wildtype brain for the appropriate termination of proliferation through programmed cell death. Our analysis of labial function reveals a novel cell autonomous role of this Hox gene in shaping the lineage architecture of the brain during postembryonic development

    Command system study for the operation and control of unmanned scientific satellites, task III - Command system interference Third quarterly progress report, 1 Jan. - 31 Mar. 1965

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    Effects of CW and modulated interference on baseband of AM and FM demodulators used for control of unmanned scientific satellite

    Beta-lactamase production by bacteria isolated from the gastrointestinal, urogenital and urinary tracts of patients at Murtala Muhammed specialist hospital and decent laboratory, Kano

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    No AbstractKeywords: β-lactamase, Gram negative, Gram positive, Hospital, E. coli

    Resource survey of Looe Key National Marine Sanctuary, 1983

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    Forward: Looe Key National Marine Sanctuary (LKNMS) was designated in 1981 to protect and promote the study, teaching, and wise use of the resources of Looe Key Sanctuary (Plate A). In order to wisely manage this valuable resource, a quantitative resource inventory was funded by the Sanctuary Programs Division (SPD), Office of Ocean and Coastal Resource Management, National Oceanic and Atmospheric Administration (NOAA) in cooperation with the Southeast Fisheries Center, National Marine Fisheries Service, NOAA; the Cooperative Institute for Marine and Atmospheric Studies (CIMAS), University of Miami; the Fisher Island Laboratory, United States Geological Survey; and the St. Petersburg Laboratory, State of Florida Department of Natural Resources. This report is the result of this cooperative effort. The objective of this study was to quantitatively inventory selected resources of LKNMS in order to allow future monitoring of changes in the Sanctuary as a result of human or natural processes. This study, referred to as Phase I, gives a brief summary of past and present uses of the Sanctuary (Chapter 2); and describes general habitat types (Chapter 3), geology and sediment distribution (Chapter 4), coral abundance and distribution (Chapter 5), the growth history of the coral Montastraea annularis (Chapter 6), reef fish abundance and distribution (Chapter 7), and status of selected resources (Chapter 8). An interpretation of the results of the survey are provided for management consideration (Chapter 9). The results are expected to provide fundamental information for applied management, natural history interpretation, and scientific research. Numerous photographs and illustrations were used to supplement the report to make the material presented easier to comprehend (Plate B). We anticipate the information provided will be used by managers, naturalists, and the general public in addition to scientists. Unless otherwise indicated, all photographs were taken at Looe Key Reef by Dr. James A. Bohnsack. The top photograph in Plate 7.8 was taken by Michael C. Schmale. Illustrations were done by Jack Javech, NMFS. Field work was initiated in May 1983 and completed for the most part by October 1983 thanks to the cooperation of numerous people and organizations. In addition to the participating agencies and organizations we thank the Newfound Harbor Marine Institute and the Division of Parks and Recreation, State of Florida Department of Natural Resources for their logistical support. Special thanks goes to Billy Causey, the Sanctuary Manager, for his help, information, and comments. We thank in alphabetical order: Scott Bannerot, Margie Bastian, Bill Becker, Barbara Bohnsack, Grant Beardsley, John Halas, Raymond Hixon, Irene Hooper, Eric Lindblad, and Mike Schmale. We dedicate this effort to the memory of Ray Hixon who participated in the study and who loved Looe Key. (PDF contains 43 pages

    Antibacterial activity of plant extracts against some clinical bacterial isolates

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    Detarium microcarpum, Anogeissusleio carpus and Carissa edulis plants are traditionally used for their medicinal value in tropical and subtropical regions in West and North Africa. Therefore, this study was aimed to determine the phytochemical ingredients and the efficacy of aqueous and chloroform extracts of the Detarium microcarpum, Anogeissusleio carpus and Carissa edulis for the treatment of some bacterial isolates causing opportunistic skin infections. The aqueous and chloroform extracts of Detarium microcarpum, Anogeissusleio carpus and Carissa edulis were prepared through percolation method. Extracts were evaluated for antibacterial activities against Streptococcus aureus and Streptococcus pyogenes using disc diffusion method and the standard antibiotic (Ciprofloxacin) at 250 mg/ml was used as positive control. Phytochemical analysis of the extracts revealed the presence of flavonoids, saponins, steroids, terpenes, tannins and glycosides. In vitro antibacterial activity of the Detarium microcarpum, Anogeissus leiocarpus and Carissa edulis extracts ranged from 9-14 mm to 18.00-35.00 mm for the standard antibiotic discs. The range of the minimum inhibitory concentration (MIC) value of the extracts was 2.5-20 mg/ml while the minimum bactericidal concentration (MBC) was 5-10 mg/ml. The extracts of stems of Detarium microcarpum, Anogeissus leiocarpus and Carissa edulis were found to have bioactive potentiality on Streptococcus aureus and Streptococcus pyogenes. Therefore, these plant parts may be recommended to be used as herbal medicine for the treatment of skin infections caused by Streptococcus aureus and Streptococcus pyogenes
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