Natural & Applied Sciences

Research Papers/Topics Natural & Applied Sciences

Knowledge And Perception On Tuberculosis Transmission In Tanzania: Multinomial Logistic Regression Analysis Of Secondary Data

Abstract Tuberculosis (TB) is one of the most important public health problems in Tanzania and was declared as a national public health emergency in 2006. Community and individual knowledge and perceptions are critical factors in the control of the disease. The objective of this study was to analyze the knowledge and perception on the transmission of TB in Tanzania. Multinomial Logistic Regression analysis was considered in order to quantify the impact of knowledge and perception on TB. The ...

Statistical Analysis Of Maize Supply In Kibaigwa Maize Market

ABSTRACT The operation of maize markets has been associated with a number of challenges. These challenges have affected maize supply in the markets. Because the adaptation of interrelationships among construct is limited in most of studies especially in Tanzania, this study intended to analyze the maize supply in Kibaigwa maize market using Time Series Techniques and Structural Equation Modelling (SEM). The study employed retrospective longitudinal research design. Secondary data that were u...

Improving Environmental Education Delivery Through Mobile Phone

ABSTRACT Environmental conservation is a great concern for the sustainable economic development. To archive high degree of environmental conservation, efforts shall be kept in educating people on environmental uses and conservation. This study aimed at improving environmental education delivery through the use of mobile phone SMSs and devised a prototype for delivering SMSs. The study identified the major sources of environmental degradation and found that charcoal production lead followed b...

ICT Based Agricultural Information Distribution Framework For Small Scale Farmers: A Case Of Kondoa District Council

ABSTRACT The study aimed to develop an ICT based framework that can be able to disseminate agricultural information to small scale farmers at the local levels. The study was conducted in Kondoa District Council. The study used qualitative and quantitative approach. The study adopted cross-section survey design. The sample size was calculated from population of four purposely selected wards of Kondoa District Council. Questionnaire, interview, observation and documentary review were used as a...

Naked Singularity In Generalized Vaidya Spacetime

ABSTRACT In this study we find the conditions of mass function for the formation and existence of naked singularity of the metric given in generalized Vaidya spacetime. We study and clarify how naked singularity is brought about interms of the apparent and event horizon. We analyse the components of the metric as given in the Vaidya spacetime equation. We consider the collapsing model in which the imploding radiation collapses at the center of symmetry in the universe through which we derive...

Teachers Factors Affecting Performance Of Standard Two Pupil’s In Numeracy Skills In Primary Schools In Songea Municipality, Ruvuma Region

ABSTRACT Numeracy education is a very important component in human life activities and survival. It is useful in science, technology, commerce, economics, and education. The purpose of the study was to investigate the teacher factors affecting performance of standard two pupil‟s in numeracy skills in public primary schools in Songea Municipality, Ruvuma Region. Three research objectives guided the study. The objectives sought to find out the extent to which attitudes of teachers affects th...

Investigation Of Usability Shortcomings On The User Interfaces Of Web Based E-Government Systems: A Case Of Tanzania

ABSTRACT ICT has presented a great opportunity for governments to offer better and quicker services to its citizens through e-Government platform. However, the expected goals of e-Government can only be realized if such e-Government systems are usable. Usability, which relate to user interface design aspects, play a pivotal role in the success or failure of e-Government systems. For the case of Tanzania, reports indicate low citizens’ participation in the use of e-Government systems. Severa...

Improving Authentication Security In Php Web Based Applications: A Case Study Of Court Case Management System In Zanzibar

ABSTRACT The focus of this dissertation was Improving Authentication Security Mechanism in Web Based Applications: A Case Study of Court Case Management System in Zanzibar. The study focused on two objectives. The first objective was to analyze the weaknesses of authentication security mechanism on the existing web based CMS. The second one was to devise the secured web based CMS prototype. Three techniques were used in collecting data. These are document review, penetration tests and observa...

PROBABILITY DISTRIBUTION ANALYSIS AND FORECASTING OF PATIENTS ARRIVING AT REGIONAL REFERRAL HOSPITAL DODOMA, TANZANIA (During The Year 2017-2018).

ABSTRACT Health care is essential to the general welfare of society. Studying the hospital patients‟ data distribution through the probability distribution analysis and forecasting time series model is very important in the health care system. This study has examined the hospital inpatients and outpatients' daily data for two years taken from DRRH through the hospital electronic health management information system. This study seeks to identify comprehensively the appropriate statistical di...

Group Acceptance Sampling Plans for Lifetimes Following an Odds Exponential Log Logistic Distribution

ABSTRACT A group acceptance sampling plan is developed for odds exponential log logistic distribution (OELLD) based on truncated lifetime with a known shape parameter. At a specified level of consumer risk and at the predefined test termination time, we derived the minimum number of groups required for a given group size and the acceptance number using the two-point approach by satisfying the producer’s and the consumer’s risks at the specified quality levels, while the termination time a...

Statistical Quality Control And Reliability Estimation Based On Exponentiated Inverse Rayleigh Distribution

ABSTRACT This research gives some statistical quality control techniques and reliability estimation based on exponentiated inverse Rayleigh distribution (EIRD) which can be applied in different industries so as to improve the quality of their products. EIRD has been obtained through generalization process and its mathematical properties were discussed. Estimation of unknown parameters was done by using maximum likelihood method, least square method, weighted least square and percentile estima...

Time Series Arima Modelling Of Loan Borrowing And Repayment At Kifanya Saccos Limited In Njombe, Tanzania

ABSTRACT Savings and credit cooperative societies (SACCOS) in developing countries like Tanzania are very importance in solving the financial problem to low income groups especially in rural areas. SACCOS have the sole role of mobilizing savings that creates the source of funds to benefit their members. But for a SACCOS to prosper in its role of financial intermediation, it has to give more loans and ensure that most of them are repaid in time. To plan for such achievements the SACCOS needs a...

Survival Analysis Of Patients Undergoing Hemo-Dialysis During 2015 – 2018 At Muhimbili Hospital, Dar Es Salaam, Tanzania

Abstract The survival patterns and their influencing covariates (factors) for hemo-dialysis patients at Muhimbili National Hospital (MNH) in Dar es Salaam Tanzania are explained in this dissertation. Number of hemo-dialysis that a patient had, alcohol intake history and blood transfusion status of patients were significant variables for failure. The study explored that, the survival times for hemo-dialysis patients at Muhimbili National Hospital follow lognormal distribution and therefore, pa...

Optimisation Of Reaction Parameters For The Production Of Levulinic Acid From Tanzanian Sugarcane Bagasse

ABSTRACT This dissertation presents the optimization of the reaction parameters for the production of levulinic acid from Tanzanian sugarcane bagasse under pressurized conditions using non- stirred pressure reactor developed in our laboratory. Sugarcane bagasse produced as a waste from the sugar industries was used in this research a raw material for the production of levulinic acid (LA). It was chosen because it is a waste from the sugar industries, non food competitive and non land competit...

Overview Numerical Solutions For Nonlinear Partial Differential Equations With Applications

ABSTRACT This study is concerned with overview numerical solution for nonlinear partial dierential equations. Since it is not easily to iterate the numerical scheme manually, C++ is used to encode the numerical scheme in order to nd the numerical solution and Matlab is employed in drawing the gures. Chapter one consists of Introduction of Nonlinear Partial Dierential equations, Literature Review, Classication of Partial Dierential Equations, Examples of PDEs, Boundary Conditions, Taylor Expan...


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