An assessment of the microbial quality of sausage and chicken sold in formal and informal markets at a taxi rank in Bulawayo, Zimbabwe.
A study was conducted to determine the microbial quality and safety of meat sold in formal and informal markets around Egodini Taxi Rank in Bulawayo. Sausage and chicken samples randomly selected from each outlet were screened for bacterial contamination. E.coli was the predominant bacteria in sausage samples (43% in butchery samples and 85% in vendor samples), whilst S. aureus was abundant in chicken samples (43%). Contamination of meat with Klebsiella spp and Streptococcus spp was minimum. The mean Total bacterial counts (TBCs) for sausage and chicken in vendor samples were 7.66 x 105; 2.41 x 105 cfu/ml respectively whilst the TBCs for butchery samples were 1.14 x 104; 5.45 x 102 cfu/ml respectively. Overally, vendor meat was more contaminated than butchery meat which poses a serious health hazard to the public. The type of meat and outlet had no significant influence on the bacterial load (P=0.298 and P=0.061 at ?=0.05).
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An Investigation into Managing Employee Resistance to Change at a South African Mining Company
Organisations within the global mining industry strive to remain competitive and therefore change process should be a regular daily activity. The key driving force behind the change management process was identified in this research as the desire to curtail operating costs by using a technology-driven approach in the Security Department of a particular South African mining company. The purpose of the research is to investigate both the impact of the change process on employees as well as to determine sources of resistance with a proposed outcome to ensure that change processes and strong change management structures are in place that will model change champions without significant resistance.
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Analysis of Nigeria gross domestic product using principal component analysis
Nigeria is classified as a mixed economy emerging market, and has already reached middle income status according to the World Bank, with its abundant supply of natural resource, well developed financial, legal, communications, transport sectors and stock exchange which is the second largest in Africa. The main purpose of this research is to build a model that can capture the best variables that predict the Gross Domestic Product (GDP) of Nigeria. Correlation matrix was used to know the degree of relationship that exists between the pairs of predictors of GDP. The principal component analysis was employed to reduce the multidimensional data. Scree plot was used to determine the spread of the trend of the components and bi plot was used to determine the degree of closeness of Agriculture, oil Export, External Reserves, Exchange Rate, Transportation, Education, and Communication. There is a strong relationship between pairs of Agriculture, oil Export, External Reserves, Exchange Rate, Transportation, Education, and Communication. The proportion of variance accounted for by the first component is 92%. This implied that only component 1 is sufficient to explain GDP. The Scree plot showed that the best component is component 1. The bi plot showed that Agriculture, oil Export, External.Reserves, Exchange.Rate, Transportation, Education, and Communication are closely related and stand as good predictors of GDP. Keyword: Gross Domestic Product, Principal Components, Bi plot, Scree plot
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Analysis of the relationship between organizational commitment, and personal characteristics of employees, (Case study, the staff of Imam Khomeini Hospital of Islamabadgharb)
This study aimed to investigate the relationship between organizational commitment and personal qualities of staff of Imam Khomeini Hospital Islamabadgharb, was performed. Types of research according to purpose, applicability, and the nature and methods, descriptive. Population, all staff of Imam Khomeini Hospital of Islamabadgharb, 140 persons, of which, according to the formula for calculating sample size of farmers and Morgan (1970 ), 103, as the sample was selected. The measurement tool is the questionnaire, the Cronbach's alpha coefficient of 0.846, proven reliability, and validity of, according to experts, has been approved. To analyze the results, the test t, for independent samples, and ANOVA, and univariate linear regression to evaluate the hypotheses used. The results of the analysis results show that, significant relationship between organizational commitment and age, gender, and educational level do not exist only between organizational commitment and service experience, a significant correlation is observed.
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ANN based climate modeling of Jhelum river basin
Artificial neural network technique was used to carry out the downscaling of the GCM predictors. The large scale GCM predictors were related to observed precipitation and temperature. So the future projections of climate were made under A1B and A2 scenario upto 21st century using CGCM3 model. At the end of the 21st century the mean annual temperature of the Jhelum river basin is predicted to increase by 1.43°C under A1B scenario and 1.56°C under A2 scenario using ANN technique whereas the average annual precipitation is predicted to decrease substantially by 30.88% and 35.32% respectively under A1B and A2 Scenario by ANN technique
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Application of Biosorption technology for remove heavy metal (Cadmium) in wastewater
This study was performed to evaluation of biosorption technology application for remove heavy metal (Cadmium) in wastewater. At this study, Saccharomyces cerevisiae was applied for biosorption of Cadmium element from industrial wastewater. Effect of Two factors were studied on value of absorption included biomass concentration (2, 3, 4, 5 and 6 g/l) and contact time (15, 30, 60 and 120 min). pH value and temperature were fixed at 6 and 25?C in experiment period, respectively. it was determined that Cadmium absorption rate decreased with increasing concentration of biomass adsorbent. Also, Absorption was increased with increasing of time and using of 30, 60 and 120 minutes increased absorption 1.28, 1.85 and 2.61 fold in compare to 15 minute.
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Approaching Lean Healthcare towards Sustainability in the Healthcare Sector
Healthcare sector in Malaysia has developed progressively since the early 1990s and was recognized under the Tenth Malaysia Plan (2011-2015) as one of the National Key Economic Areas, or NKEA The introduction of the Eleventh Malaysia Plan has supported this; it places focus on transforming the service sector, giving attention to private healthcare by improving the quality of service and increasing its global competitiveness. However, private healthcare poses a variety of challenges due increasing private healthcare spending, and thus affected the sustainability in the healthcare system. Moreover, sustainability issues are related to increasing costs that lead to waste. In this regard, it was suggested that lean healthcare should be applied in private hospitals and incorporated with sustainability, and needs to be carefully planned to ensure that it is feasible and sustainable in the long run. From previous studies, it is apparent that not many empirical researches have been conducted that pertain to the relationship lean healthcare practices (operational aspects and sociotechnical aspects) and sustainability. Therefore, the main objective of this research is to evaluate does the lean healthcare practices will lead to sustainability based on the triple bottom line; financial, social and environment. Besides, the article will embrace introduction, problem statement, literature review, methodology and conclusion. Finally, it is hoped this research will be extremely insightful for the service sector, specifically from healthcare organizations that are looking into improving their organizational performance and be much more sustainable.
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Aptitude and Intelligence are not Fixed, So, Why Aptitude and IQ Tests? A Challenge from Multiple-Intelligences and Dynamic Assessment Perspectives
That intelligence is not static rather dynamic and changeable, so that human being has a wide range of- rather than a restricted set of- capabilities all potentially developable (Gardner, 1983) and that socio-cultural agencies and mediating tools (Derry, 2013) shape and extend the expanse of existing capability to an actualized status were the main impetus to claim that aptitude is not likewise stable. Hence, the psychometrically fixed properties of aptitude test and nature of IQ came to be examined and challenged as the main aim of this study. In the quest to develop the abilities of the test takers in the light of formative assessment, aptitude test in its present form and function, as a psychometric tool routinely applied for student selection and placement, may be considered as biased, for it restricts and forestalls the potential evolution of the ability of the test takers. The argumentative results of the current study reveal that the era of exclusive speculation in the context of standardized tests at the price of the exclusion of socio-culturally-triggered pedagogical agendas and measures has expired, the former being associated with first test, then jump to the conclusion by virtue of a single numeric value and the latter underpinning the socio-culturally embedded motivational variables and alternative assessment. By theoretical implication, the predictive and consequential validity of aptitude test and IQ test are open to debate, being a possible incentive to the researchers to further explore the controversially decontextualized nature of aptitude and IQ test.
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Assessment of Heavy Metal Pollution using Mormyrus Rume
In this study, heavy metals Lead (Pb), Nickel (Ni), Mercury (Hg), Cadmium (Cd) and Selenium(Se) were determined to assess the pollution level of Opa Dam. The water of the dam and the liver, gills and fillet of six Momyrus rume and six Tilapia zilli were analyzed by AAS. The order of the metals in the water and fillets of (M. rume and T. zilli) were Pb>Ni>Se?Cd>Hg, Ni>Pb>Se?Cd?Hg and Ni>Pb>Se>Cd?Hg. Pb, Ni and Hg were higher above the standard permissible level (EPA2002, WHO2003,WPCL 2004 and SON 2007) in Opa Dam water while nickel was outrageous in the fillet above the FAO,1983 and WHO 1985 limit of heavy metals in fish food. Thus, the dam needs periodical monitoring for the safety of the fish consumers and for water usage.
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