Decision making practices in the universities of Pakistan (A Comparative Study)
Main purpose of this study was to compare the prevailing decision making practices in the universities of Pakistan. The decision making practice was compared on the following aspects: a. Decision Dictated by the chair, b. Decisions made by a majority vote c. Decisions taken on political grounds in public and private sector universities. It was found that both public and private sector have same procedure of decisions making and are made by a majority vote. Differences were found between public and private sector universities that decisions are dictated by the chair and are taken according to internal and external pressure. This practice was observed mostly in public sector universities of Pakistan.
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Design and control of grid interfaced voltage source inverter with output LCL filter
This paper presents design and analysis of an LCL-based voltage source converter using for delivering power of a distributed generation source to power utility and local load. LCL filer in output of the converter analytically is designed and its different transfer functions are obtained for assessment on elimination of any probable parallel resonant in power system. The power converter uses a controller system to work on two modes of operation, stand-alone and grid-connected modes, and also has a seamless transfer between these two modes of operation. Furthermore, a fast semiconductor-based protection system is designed for the power converter. Performance of the designed grid interface converter is evaluated by using an 85-kVA industrial setup.
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Determinants of Customer Loyalty in banking sectors of Pakistan: Empirical Evidence From Narowal City
This research paper is examined to find out the relationship between customer loyalty, service quality, Bank reputation and customer satisfaction in the Pakistan banking industry. This research paper uses administrative questionnaire. The variable include in this paper are customer loyalty as dependent variable and customer satisfaction, bank reputation and service quality as independent variable. The questionnaire includes 9 items of service quality, 5 items of bank reputation, 5 items of customer satisfaction and 5 items of customer loyalty. A sample size of 50 respondents is conducted in Narowal cities, Pakistan. A regression analysis is performed to study the impact of banking service quality on customer satisfaction in Pakistan banking industry. The findings from regression analysis suggest that banking services quality significantly influenced by customer loyalty. . In addition, the results from linear regressions analysis show that the Tangible dimension has the largest influence on customer loyalty.
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Diabetes and Pregnancy : About 19 cases
The association diabetes and pregnancy is a common gestational situation that constitutes a real public health in Morocco. The gestational diabetes is defined by the World Health Organization (WHO) as glycemic tolerance disorder that begins or is diagnosed for the for the first time during pregnancy and may cause maternal and/or fetal complications. Our work’s goal is to analyse the epidemiological profile of the diabetic women studied, to follow the course of pregnancy and childbirth and to assess the maternal and fetal morbidity. We present a descriptive retrospective study conducted at the obstetrical gynecology department of high-risk pregnancy within the hospital of maternity SOUISSI in RABAT, MOROCCO, involving 19 pregnant and diabetics women over 326 women consulted. The study lasted 12 months, from January 2019 to December 2019. Data was collected by using medical records. In our series, the prevalence of gestational diabetes is 5,8 %. 8 women have pre-existing diabetes (42,2%) and only 3 have scheduled their pregnancy (15,7%). 11 women have gestational diabetes (57,9%). All our patients were followed and had a controlled glycemic index. This study revealed a large number of maternal complications dominated by urinary tract infections, which represents 31 %, followed by hypoglycemia with a 10,5%, preeclampsia and cetoacidosis in 5% each. For fetal complications, we had 53% cases of macrosomia, 23% of respiratory distress, 18.6% of prematurity, 2,32% of congenital complications. Our results are consistent with most of the series in the literature. These pregnancies remain with more risks than under normal glucose tolerance. Nevertheless, the prognosis of these pregnancies can be improved by early and multidisciplinary management to achieve a glycemic balance avoiding maternal-fetal complications.
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Diffusion Verification of Slow Electrons in Gases
The diffusion of slow electrons in Nitrogen ,Argon and Helium gases in uniform electric fields has been verified for ratios of electric field to pressure from 1.611 to 16.115,0.0322 to 0.3223 and 3.9131×10-3 t0 0.9767 (V/cm .Torr-1 ) respectively. These are calculations lead to a determination of the ratio of electron drift velocity to diffusion coefficient . By assuming a distribution in velocity of the electrons in the swarm, the Townsend energy factor KT and the mean electron velocity can be computed as a function of E/P, where E is electric field and P is the gas pressure, where the mean free path at unit pressure, the average energy loss per collision, and the gas kinetic cross section can be calculated. The results are presented in Figures forms. The obtained results appeared a good agreement with the experimental and theoretical data.
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Effect of Trampling on the Production of Six Ecotypes of Brachiaria in Nioka, Ituri Province, DRC
A study on the influence of trampling on the biomass production of six Brachiaria ecotypes, namely Brachiaria decumbens cv Bazilisk; Brachiaria mulato; Brachiaria brizantha cv Xaraes; Brachiaria ruziziensis; Brachiaria brizantha cv Nioka and Brachiaria brizantha cv Piata at Nioka, was carried out to observe their production and identify those with an interesting resilience to the above-mentioned factor.The experimental set-up was that of randomized complete blocks comprising six treatments (six ecotypes mentioned above) and repeated three times. The six Brachiaria ecotypes were subjected to the trampling disturbance factor. The following parameters were measured: recovery rate and speed, tillering, biomass.After observation, the results were as follows:The highest biomass for this factor before and after trampling was obtained by B. brizantha cv Piata, while the lowest production was deplored in B. brizantha cv Nioka and B. mulato.
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Effect on Compressive Strength of Concrete using Steel Fiber with varying Sizes of Cube Specimens
It is well known fact that concrete displays a brittle behaviour and very little tensile capacity. This type of brittleness can be reduced by incorporation of fibers in concrete which lead to better strength properties and impact resistance. This paper presents on the study of compressive strength properties of concrete cube specimens with and without addition of discrete steel fiber of two different propositions. It is imperative to note that the 28 days mean compressive strength have been used to characterize the three types of concrete, i.e., plain control concrete, fully fiber reinforced concrete and retrofitted concrete, based on the experimental results obtained through direct compression test of cube specimens. Concretes containing steel fibers reinforced at the same volume fraction (1%) were compared in terms of compressive strength properties for three different sizes of cube specimens, namely150x150x150mm, 100x100x100mm, 70.6x70.6x70.6mm. In addition, comparative analysis on the experimental results of compressive strength for all the three types of concrete has been made. It is observed that steel fiber enhanced the strength properties and impact resistance of concrete as compared to the plain concrete results. It is also found comparable results between fully fiber reinforced concrete and retrofitted concrete. It is further observed that the strength is increasing consistently to the decreasing sizes of specimens.
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Effects of anthropogenic activities on physicochemical properties of soils in Ezinihitte Mbaise L.G.A, Imo state
The study was carried out to evaluate the effect of anthropogenic activities on physiochemical properties of soils in Ezinihitte Mbaise L.G.A. Imo State. 36 soil samples were collected randomly at the depth of 0-5cm, 5-15cm, and 15-30cm. The samples were collected from four different locations, farmland, market area, play ground and forest. The samples were prepared and analyzed for physiochemical properties such as sand, silt, clay pH, conductivity, organic carbon, moisture content, available phosphate, calcium, magnesium, sodium, aluminum, nickel, cadmium, chromium and copper, using standard methods. The result of the analysis revealed that the soil pH was basic, ranging from 6.45-8.98; electrical conductivity ranged from 0.120-0.155µs/cm. The textual class was sandy-clay-loam, implying that the soil contain sand in a higher proportion. Moisture content, organic carbon, organic matter, available phosphate, calcium, magnesium, potassium, sodium, aluminum ranged from 6.56-16.70%, 0.32-1.52%, 0.55-2.61%, 5.53-58.52mg/kg, 0.4-6.7mg/kg, 1.0-8.5mg/kg, 424-624mg/kg, 224-392mg/kg, 0.001-2.8mg/kg respectively. Heavy metal concentration in the soil was Ni (0.099-0.416mg/kg), Cd (0.016-0.173mg/kg), Cr (0.004-0.216mg/kg), Cu (0.000-0.013mg/kg). From these results, it was found that there was a marked variation in parameters of various soil samples in different sampling points. These variations were as a result of different anthropogenic activities in the locations. The study recommends that efforts should be made to improve soil quality and its fertility status through continuous application of manure and compost, soil amendments, cropping pattern most especially in farmland.
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Effects of integration of GIS, community coping strategies, and local knowledge in flood management in Narok Town, Kenya
Flooding is one of the natural hazards that is catastrophic in nature and affects human settlements, infrastructure, and livelihoods. Despite early warnings, public education, and awareness as well as campaigns by the government, media, and non-governmental organizations, residents of the flood-prone areas are still at increased risk of death, loss of property, and displacement leading to loss of livelihoods and disease. The objective of the study was to assess the effects of integration of Geographic Information Systems, community coping strategies, and local knowledge in flood management in Narok Town, Kenya. This study adopted an analytic cross-sectional study design and exploratory approach. The study population comprised of households within Narok Town. The sampling unit was a single household while the household head was the unit of analysis. A stratified random sampling technique was used to select 385 households from the different zones in the town. A structured flood coping mechanism questionnaire was used to collect data from the household head while Key informant interview guide and focus group discussion was used to gather qualitative information. Descriptive statistics included the mean, standard deviation, percentages, chi-square test were used to analyze data. Analysis was done using SPSS version 24.0 and Quantum Geographic information System to generate data and information on community coping mechanisms, geospatial patterns of floods, and perception about floods in Narok town. Qualitative analysis was analyzed through the use of secondary literature while quantitative data was analyzed through the inferential statistics Fisher’s exact test, Analysis of variance, correlation, and logistic regression. The study findings showed that there is low integration of household knowledge, coping strategies, and Geographic Information systems in flood management among residents of Narok Town. The study further showed that lack of household knowledge was a result of lack of inadequate forecast information (41.0%), lack of public awareness 42.3% and participation. Results indicate the majority of the local community did not have access to Geographic Information System information in regards to flood hotspots only (30.1%) had data related to flooding, flood zones, and marked physical features showing areas prone to flood disasters.
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Effects of organic wastes on microbial load of woji creek in port Harcourt, Niger-Delta, Nigeria.
The impacts of organic wastes contamination on microbial population and physicochemical properties of Woji creek in Port Harcourt Rivers State were studied for two years. Surface water samples were collected monthly for a duration of two year at five sampling points using standard methods. The samples were subjected to microbiological analysis based on total heterotrophic bacteria count and those of hydrocarbon utilizing bacteria, hydrocarbon utilizing fungi, total coliform and total fungi. Physicochemical properties evaluated include: temperature, pH, turbidity, total dissolved solid, total suspended solid, dissolved oxygen, BOD, COD, total organic carbon. Results of microbiological analysis showed no significant difference between seasons. THBC values ranged from 1.98x105 to 2.59x108cfu/ml, while TFC values was higher in the wet season (1.55x104 ± 5.46x103cfu/ml) than in the dry season (5.63x103 ± 2.55x103cfu/ml). Temperature range was found to be significantly higher in the dry season (27.92±0.210C) than in the wet season (25.81±0.210C). The findings of this study indicate that organic wastes are the major factors responsible for deterioration of the Woji creek.
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