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Manufacturing Exports Drivers In Tanzania: The Applicability Of H-O Theorem, Mugisha R. Rweyemamu
Manufacturing Exports Drivers In Tanzania: The Applicability Of H-O Theorem, Mugisha R. Rweyemamu
Tanzanian Economic Review
This paper analyses the drivers of manufacturing exports in Tanzania to demonstrate the applicability of the Heckscher–Ohlin theorem through new trade theories in the manufacturing sector. The study hypothesises that: the labour force positively determines manufacturing exports; GDP has a positive impact on manufacturing exports; and manufacturing production has a positive impact on manufacturing exports. The paper employed the Autoregressive Distributed Lags (ARDL) approach. Lagged manufacturing exports, labour force and trade liberalisation were found to be significant drivers of manufacturing exports. The findings support the H-O theorem and its complements by new trade theories for the Tanzanian manufacturing sector. The …
Does Finance Matter In Climate Change Adaptation? Evidence From Smallholder Farmers’ Access To Informal Credits In Hanang District, Tanzania, Jackson Raymond Sawe
Does Finance Matter In Climate Change Adaptation? Evidence From Smallholder Farmers’ Access To Informal Credits In Hanang District, Tanzania, Jackson Raymond Sawe
Tanzanian Economic Review
This paper examines smallholder farmers‘ access to and use of informal credits for climate change adaptation in Hanang District, Tanzania. The paper used bivariate probit model to analyze data. The results reveal that about 75% of respondents indicated to have access to informal credit, with 68.3% actively employing credit in agriculture for climate change adaptation. The bivariate probit regression analysis shows that having good relationships with other farmers and neighbors or relatives, along with a lower perception of risk, are the most important factors that affect access and use of informal credit for climate change adaptation. Building relationships and connections …
A Revisit Of The Causal Effect Of Debt Burden On Inflation Dynamics In Tanzania, Cornel Joseph, Mirau N. Mbise
A Revisit Of The Causal Effect Of Debt Burden On Inflation Dynamics In Tanzania, Cornel Joseph, Mirau N. Mbise
Tanzanian Economic Review
This research paper delves into the impact of national debt on inflation in Tanzania. It uses the autoregressive distributed lag model and the Granger causality approach, with quarterly data from 2003 to 2023. The findings show that total debt stock and public external debt have a negative effect on inflation in the long run. Meanwhile, long-term inflation is positively influenced by both private and public external debt. The study also reveals that national debt has a one-way causal relationship with inflation in Tanzania. These results suggest that the government should focus on managing public debt when making decisions to control …
Does Environmental Dynamism Affect Customer Relationship Management - Commercial Banks’ Performance Nexus In Tanzania?, Mohammed Solomon Baraza, Omari Khalifa Mbura
Does Environmental Dynamism Affect Customer Relationship Management - Commercial Banks’ Performance Nexus In Tanzania?, Mohammed Solomon Baraza, Omari Khalifa Mbura
Business Management Review
With a rapid change in the market environmental factors of the developing economies, uncertainty raises on the outcomes of the strategies employed by business organizations. The thrust of this paper therefore, was to examine how environmental dynamism interacts the link between Customer Relationship Management strategic practices namely CRM organisation, customer orientation, technology-based CRM, customer knowledge management; and performance of commercial banks in Tanzania. The study employed a cross sectional explanatory design, utilizing deductive approach and quantitative method. Yamane’s rule was used to establish the sample size for commercial banks. Data were collected using a survey technique from 272 employees across …
Situational Analysis Of Child Labour In Coastal And Marine Activities In Zanzibar, Tanzania, Happiness Anold Moshi, Rukia Kitula
Situational Analysis Of Child Labour In Coastal And Marine Activities In Zanzibar, Tanzania, Happiness Anold Moshi, Rukia Kitula
Journal of Humanities and Social Sciences
This study analyses the situation of child labour in coastal and marine activities in Zanzibar, Tanzania, by examining activities carried out by children, the major driving factors for engaging in child labour, as well as the associated impacts to children’s schooling and wellbeing. Questionnaire survey, focus group discussions (FGDs), participant observations, and key informant interviews (KII) were all used to collect data for the study. The study involved a total of 90 children, who were randomly selected among working children in coastal and marine activities. It was found that most of the working children were involved in fishing, fish descaling, …
Second Language Learning Among Pre-Primary School Children: A Bibliometric Analysis Of Global Research Trends, Fabiola Hassan, Reuben Sungwa
Second Language Learning Among Pre-Primary School Children: A Bibliometric Analysis Of Global Research Trends, Fabiola Hassan, Reuben Sungwa
Journal of Humanities and Social Sciences
This bibliometric study investigates global research trends on phonological awareness in second language learning (SLL) among pre-primary school children from 2014 to 2023. The study utilizes data from the Dimensions database, and is guided by three objectives: analysing publication volume trends, identifying leading contributors (countries, institutions, authors, journals), and mapping dominant research themes. It employs the VOSviewer—a software tool for constructing and visualizing bibliometric networks—to conduct co-authorship, co-citation, and keyword co-occurrence analyses. The results show a steady increase in research output, peaking in 2021, reflecting a growing scholarly interest. The United States and United Kingdom dominated research contributions, with institutions—like …
Working Mothers And Children’S Social-Emotional Development: Struggling With Family And Job Roles In Dar Es Salaam, Tanzania, Ignasia Paskal Mbatta
Working Mothers And Children’S Social-Emotional Development: Struggling With Family And Job Roles In Dar Es Salaam, Tanzania, Ignasia Paskal Mbatta
Journal of Humanities and Social Sciences
This study aimed at examining the socio-emotional development of employed mothers’ children in the metropolis of Dar es Salaam. Early childhood socio-emotional development is crucial for shaping a child’s short- and long-term well-being, relationships, and overall mental health. An exploratory qualitative approach employing a phenomenological design, guided this study. In-depth interviews, documentary reviews, and active participant observation were used to collect data. The study sample comprised of 42 working mothers, 9 domestic workers, and 90 children under five years of age of the same mothers. Purposive sampling was used to select working mothers, while domestic workers were selected incidentally. The …
Captured And Enhanced Potentials Of Wild Edible Fruits In Tabora Rural, Uyui And Sikonge Districts, Tabora In Tanzania, Mirau N. Mbise
Captured And Enhanced Potentials Of Wild Edible Fruits In Tabora Rural, Uyui And Sikonge Districts, Tabora In Tanzania, Mirau N. Mbise
Journal of Humanities and Social Sciences
Rural communities worldwide supplement food and income through wild edible fruits. However, the paucity of scientific inquiry on the perceptions and uses of wild edible fruits, value-addition, and marketing prompted this study. It interviewed respondents from 274 households in Tabora rural, Sikonge, and Uyui districts in the Tabora region of Tanzania. Descriptive and quantitative analyses were undertaken, and results showed that wild edible fruit activities are perceived to be for women, children, and less-educated people. Furthermore, the findings indicated that 100% (n = 274) of the respondents use wild edible fruits as food, and 48.6% (n = 133) use them …
The Intonation Of Questions In The Cinyambwa Dialect Of Cigogo Language, Maulid Kiruya, Devet Goodness
The Intonation Of Questions In The Cinyambwa Dialect Of Cigogo Language, Maulid Kiruya, Devet Goodness
Journal of Humanities and Social Sciences
This paper examines the intonation systems of content and yes-no questions in Cinyambwa, a dialect of Cigogo Bantu language (G.11 in Guthrie’s classification). The study investigates the intonation patterns of different questions to show how content questions are differentiated from yes-no questions prosodically. The study was conducted in Makutopora village, Manyoni district, Singida region, Tanzania. Data were obtained from a sample of four (4) Cinyambwa speakers who were purposely selected. Elicitation was used as a data collection method with the aid of a sentence list, interviews, and picture-based tasks as data collection instruments. The study was guided by the autosegmental-metrical …
A Linguistic Analysis Of Humour In Selected Tanzanian Stand-Up Comedy Shows: A Script-Based Semantic Approach, Okoa Simile
A Linguistic Analysis Of Humour In Selected Tanzanian Stand-Up Comedy Shows: A Script-Based Semantic Approach, Okoa Simile
Journal of Humanities and Social Sciences
This study analyses humour as a culturally situated linguistic practice by examining how humour is constructed in selected Tanzanian stand-up comedy shows. Specifically, it sought to analyse the linguistic devices comedians use to evoke humour. The study is guided by Victor Raskin’s script-based semantic theory of humour (SSTH). The theory posits that humour arises from the opposition of two conflicting scripts within a linguistic structure. The qualitative research approach was used to guide the study processes. The study analysed nine (9) performances by famous Tanzanian comedians Mr. Eliud Samwel, Mr. Abdalla Musa Njalamoto (TX Dulla), Mr. Silvester Mujuni (Mpoki), and …
The Resilience Of The Pare Traditional Pottery Industry In Tanzania During The Colonial And Post-Colonial Eras, 1900s–2020, Shakila Halifan Mteti
The Resilience Of The Pare Traditional Pottery Industry In Tanzania During The Colonial And Post-Colonial Eras, 1900s–2020, Shakila Halifan Mteti
Journal of Humanities and Social Sciences
This paper examines the resilience of the traditional pottery industry among the Pare women potters in Tanzania. It focuses on how the industry responded to local and global socio-economic and political dynamics from the colonial period in the 1900s through 2020. Specifically, it explores how Pare women potters have attained success, navigated challenges, and adapted to changing economic and social conditions. The study focuses on the Pare people of Usangi in Mwanga District, Kilimanjaro region, Tanzania. It is based on in-depth interviews, non-participant observation, and archival and written sources collected between July and December 2018. The study findings are threefold. …
Asset Or Liability? Farmers’ Perceptions Of Improved Maize Seeds As A Climate Change Adaptation Strategy In Semi-Arid Areas Of Chamwino District, Tanzania, Jackson Raymond Sawe
Asset Or Liability? Farmers’ Perceptions Of Improved Maize Seeds As A Climate Change Adaptation Strategy In Semi-Arid Areas Of Chamwino District, Tanzania, Jackson Raymond Sawe
Journal of Humanities and Social Sciences
This study explores the perceptions of smallholder farmers in semi-arid areas of Chamwino District, Tanzania, regarding the adoption of improved maize seeds as an adaptation strategy to climate change. It aims to explore whether farmers view the use of these seeds as an asset that helps them adapt to climate change, or as a liability that presents challenges resulting from the adoption of improved seeds. The study employs both quantitative and qualitative methods for data collection and analysis. Data were collected from 125 smallholder farmers across six study villages through household surveys, in-depth interviews, field observation, and document review. Participants …
The Moderating Role Of Ifrss Alignment On The Relationship Between Modernization Influences And Effective Digital-Resources Accounting Information System, Daniel Shilingi, Henry Zeno Chalu, Patrick Mbwile
The Moderating Role Of Ifrss Alignment On The Relationship Between Modernization Influences And Effective Digital-Resources Accounting Information System, Daniel Shilingi, Henry Zeno Chalu, Patrick Mbwile
Business Management Review
This paper is set to examine the Moderating role of IFRSs Alignment on the Relationship between Modernization Influences and Effective Digital-Resources Accounting Information System. The data were collected from 55 entities, with a total of 381 respondents. Descriptive and partial least square path modelling were used for data analysis with the aid of SmartPLS3.0. It was found that the direct relationship between Technological Advancement (TA) and Currency Innovation (CI) was positive and significant with Digital-Resources Accounting Information System (DRAIS). The relationship between Economic Transformation (ET) and DRAIS was insignificant. The addition of the IFRSs alignment as a moderator has strengthened …
The Interplay Of Coercive Institutional Pressures, Environmental Attitudes And Perceived Behavioural Control In Adoption Of Environmental Management Accounting Among Tanzania’S Manufacturing Firms, James Dendula, Helena Thomas Haule, Henry Zeno Chalu
The Interplay Of Coercive Institutional Pressures, Environmental Attitudes And Perceived Behavioural Control In Adoption Of Environmental Management Accounting Among Tanzania’S Manufacturing Firms, James Dendula, Helena Thomas Haule, Henry Zeno Chalu
Business Management Review
Environmental Management Accounting (EMA) facilitates firms’ ability to identify, collect, record and evaluate environmental information critical for informed decision-making. EMA adoption is vital in controlling environmental costs, fostering innovation in eco-friendly technologies/products, and improving overall environmental performance. This study examined the drivers of EMA adoption, focusing on the influence of Coercive Institutional Pressure (CP), the mediating role of environmental attitudes and the moderating role of Perceived Behavioural Control (PBC). Data were collected from 146 manufacturing firms in Tanzania and analysed using Partial Least Squares Structural Equation Modelling (PLS-SEM) via SmartPLS v.4.0.9.5. Findings indicates that CP significantly and positively influences EMA …
The Nexus Between Green Human Resource Management Practices And Environmental Sustainability Of Tanzanian Manufacturing Firms: An Integrative Framework, Zakaria Mwakila, Severine Kessy
The Nexus Between Green Human Resource Management Practices And Environmental Sustainability Of Tanzanian Manufacturing Firms: An Integrative Framework, Zakaria Mwakila, Severine Kessy
Business Management Review
The study aimed to examine the influence of GHRM practices on environmental sustainability. The study used the Ability-Motivation-Opportunity (AMO) theoretical framework to achieve this objective. The study adopted a quantitative approach for data collection and analysis, whereby 250 self-administered questionnaires were distributed to human resource managers of manufacturing firms. Partial least squares structural equation modelling (PLS-SEM) was used to analyze the field data. Interestingly, the results of the study revealed that environmental sustainability is significantly and positively influenced by all of the selected GHRM practices, including green hiring, green training, and green performance management. This study contributes to the scientific …
Impact Of Ict Adoption, Economic Growth, And Internet Connectivity Phases On Tax Revenue In Tanzania, Grayson Kisinga, Severine Kessy, Mashaka Mkandawile
Impact Of Ict Adoption, Economic Growth, And Internet Connectivity Phases On Tax Revenue In Tanzania, Grayson Kisinga, Severine Kessy, Mashaka Mkandawile
Business Management Review
This study analyses the mixed evidence surrounding the impact of ICT adoption on tax revenue in Tanzania, focusing on ICT investments, ICT imports, internet usage, and broadband penetration. Drawing on the Technology Organization Environment (TOE) framework and Production Theory, the study adopts a positivist philosophy and deductive approach, using 25 years of time-series data. Employing Regressions, Autoregressive Distributed Lag (ARDL) modeling, and Structural Equation Modeling (SEM), it investigates long-term effects, mediation, and moderation. The findings reveal that ICT investments, ICT imports, and broadband penetration positively influence tax revenue over the long term, while internet usage has a negative effect. Economic …
Developing Predictive Mathematical Model For Optimizing Coating Weight Variation In Galvalume Production: A Case Study Of A Metal Industry, Victoria Mahabi
Developing Predictive Mathematical Model For Optimizing Coating Weight Variation In Galvalume Production: A Case Study Of A Metal Industry, Victoria Mahabi
Tanzania Journal of Engineering and Technology (TJET)
Variations in coating weight for galvanized steel sheets can result in notable differences between batches. Such variations may cause various issues, such as diminished corrosion resistance, lower mechanical strength, and visual defects, which can ultimately drive-up costs, lead to customer dissatisfaction, and pose safety risks. Even with attempts to manage elements like air knife pressure and line speed, coating weight inconsistencies remain challenging. The research focuses on developing a predictive mathematical model designed to optimize variations in coating weight during Galvalume production. The critical parameters influencing coating weight variation were identified and analysed using a systematic literature review, primary data …
Comparative Analysis On Design Error Risks In Design-Bid-Build And Design-Build Construction Approaches, Eradius Edward Rwakarehe
Comparative Analysis On Design Error Risks In Design-Bid-Build And Design-Build Construction Approaches, Eradius Edward Rwakarehe
Tanzania Journal of Engineering and Technology (TJET)
This study was conducted to compare design errors risk in Design-Bid-Build (DBB) (traditional) and Design-Build (DB) methods in building projects. Several construction projects under both DB and DBB method were reviewed. On most of construction projects under DB method, it was found that there were over supply of floor area due to different reasons. Also, it was found that, clients’ requirements were changed during project execution, which resulted into change on schedule, contract value and project quality. It was also revealed that in most cases, designs were in accordance with the clients’ requirements as submitted earlier but during construction clients …
Investigation Of The Electrical Capacitance Tomography System For Determining The Spatial Distribution Of Moisture In Grain Storage, Shamte J. Kawambwa
Investigation Of The Electrical Capacitance Tomography System For Determining The Spatial Distribution Of Moisture In Grain Storage, Shamte J. Kawambwa
Tanzania Journal of Engineering and Technology (TJET)
Excessive moisture content (MC) in stored grains promotes the growth of fungi and molds, which affects the quality of the grains. Effective grain monitoring methods are essential for detecting and managing grain spoilage. Electromagnetic imaging (EMI) techniques provide a promising alternative to traditional techniques by visualizing the spatial distribution of moisture within grains rather than merely average MC values offered by traditional techniques. However, existing EMI approaches often use hard-field waves, which are expensive and fragile. This study introduces an Electrical Capacitance Tomography (ECT) system that employs soft-field waves to monitor the moisture content of the grains. The system was …
Cellulose Recovery From Waste Denim Fabrics Through Indigo Vat Dye Reduction And Spandex Dissolution, Tito N. Venance
Cellulose Recovery From Waste Denim Fabrics Through Indigo Vat Dye Reduction And Spandex Dissolution, Tito N. Venance
Tanzania Journal of Engineering and Technology (TJET)
This study addresses environmental conservation by tackling end-of-life management for post-consumer denim garments through the recycling of cotton fibres from waste denim. The purification process involved dithionite reduction of vat dyes in the presence of an alkali followed by selective dissolution of spandex using N,N-dimethylformamide (DMF). Optimal conditions for dye removal were determined at 90°C for 120 minutes with sodium hydroxide at 25 g/L, sodium dithionite at 6 g/L and PVP at 4.5 g/L, while spandex extraction was achieved using a 5% DMF solution at 70°C for 4 hours. Ultraviolet (UV)-vis spectrophotometric analysis indicated a significant increase in whiteness (DL*). …
A Fuzzy Based Framework For Sustainable Technology Selection In Small-Scale Gold Mining Operations, John M. Kafuku
A Fuzzy Based Framework For Sustainable Technology Selection In Small-Scale Gold Mining Operations, John M. Kafuku
Tanzania Journal of Engineering and Technology (TJET)
Small-scale gold mining (SSGM) operations in Tanzania has been operating inefficiently due to inadequate mining processing technologies, poor working tools, lack of enough capital, and insufficient electricity. Despite the efforts made by different stakeholders in boosting the sustainability of SSGM yet the sector has not reached the expected goal. This paper proposes a framework for appropriate technology selection to help small scale gold miners in evaluating various gold mineral processing technologies. The framework utilizes the fuzzy logic set theory for technology evaluation and selection. The developed framework for technology selection upon validation provided results that technology adequacy of more than …
Microwave Ore Pre-Treatment Review And Process Flowsheet Conceptualization, Baker F. Giyani
Microwave Ore Pre-Treatment Review And Process Flowsheet Conceptualization, Baker F. Giyani
Tanzania Journal of Engineering and Technology (TJET)
The global demand for mineral commodities has increased dramatically over the years, and this is largely due to several factors, including technological advancements, industrialization, and a rise in population. Further, the demand keeps increasing because the ore being mined is becoming more complex, and the feed grade is declining over the years, prompting the need for innovative technologies to treat such ores more efficiently. Microwave ore pre-treatment is one of the potential technologies that can be employed to improve process performance. This is possible because ores are composed of both good-microwave heaters and poor microwave heaters, which creates thermal stresses …
Assessment Of Factors Contributing On Early Rotting Of Chromated Copper Arsenate Treated Utility Power Distribution Wood Poles In Tanzania, Innocent J. Macha
Assessment Of Factors Contributing On Early Rotting Of Chromated Copper Arsenate Treated Utility Power Distribution Wood Poles In Tanzania, Innocent J. Macha
Tanzania Journal of Engineering and Technology (TJET)
The study aimed to assess the factors contributing to the premature decay of Chromated Copper Arsenate (CCA) treated utility power distribution wooden poles in Tanzania. Deteriorated poles samples from various regions in Tanzania were analyzed using handheld X-ray spectrometry to quantify the retention of CCA preservative chemicals. The ages of these poles were estimated based on annual growth rings. The findings indicated that premature failure of CCA treated wooden poles is attributed to an imbalance in the chemical composition of the preservative solution. The study found that CuO retention in most samples ranged between 10-18 kg/m3, significant lower that the …
Improving Image Quality In Electrical Capacitance Tomography Using Otsu Thresholding, Josiah Nombo
Improving Image Quality In Electrical Capacitance Tomography Using Otsu Thresholding, Josiah Nombo
Tanzania Journal of Engineering and Technology (TJET)
Electrical Capacitance Tomography (ECT) is an imaging technique used in industrial process monitoring, particularly for monitoring and measuring the composition of multiphase flows. Despite its widespread application, the commonly used Linear Back Projection (LBP) algorithm often produces low-quality images due to its limited ability to handle high permittivity contrasts and nonlinearities. This study investigates the use of Otsu thresholding as a post-processing technique to enhance ECT image quality. By maximizing inter-class variance in the image histogram, Otsu thresholding improves contrast, clarity, and structural definition, enabling more effective segmentation of oil and gas components in multiphase flows. The proposed Otsu-based reconstruction …
Influence Of Substrate Temperature On The Properties Of Reactive Dc Magnetron Co-Sputtered Ag-Doped Tio2 Thin Films, Hezekiah B. Sawa
Influence Of Substrate Temperature On The Properties Of Reactive Dc Magnetron Co-Sputtered Ag-Doped Tio2 Thin Films, Hezekiah B. Sawa
Tanzania Journal of Engineering and Technology (TJET)
This study reports on the influence of substrate temperature on the properties of Ag-doped TiO2 thin films. The films were deposited by reactive DC co-sputtering of Ti and Ag targets at different substrate temperatures and Ag target sputtering powers. Grazing incident X-ray diffractometer confirmed that all films were polycrystalline with dominant peak oriented along (101) planes representing the anatase TiO2 phase. The average grain size of the samples improved with increase in deposition temperature. At a substrate temperature of 450 ℃, the samples had a dominant peak representing the rutile phase, suggesting partial transformation from anatase to rutile phase. The …
A Critical Realist Erp Implementation In Zimbabwean Mining Industry Organisations, Jairos Mukwenha
A Critical Realist Erp Implementation In Zimbabwean Mining Industry Organisations, Jairos Mukwenha
Tanzania Journal of Engineering and Technology (TJET)
This research uses a critical realist framework to examine the factors influencing the success of enterprise resource planning (ERP) system implementation in Zimbabwean mining industry organisations. From the perspective of critical realism, the mining industry in Zimbabwe faces a complex interplay of opportunities and obstacles while implementing ERP systems. The deployment of ERP in mining firms is critically examined in this paper, emphasising how these systems might improve operational efficiency while considering Zimbabwe's particular socioeconomic circumstances. By exploring underlying structures, mechanisms, and outcomes, the research aims to identify critical challenges and opportunities and develop practical recommendations for improving ERP adoption …
Development Of A Microcontroller-Based Intelligent Traffic Light Control System For Vehicular Movement In T-Junctions, Frederick O. Ehiagwina
Development Of A Microcontroller-Based Intelligent Traffic Light Control System For Vehicular Movement In T-Junctions, Frederick O. Ehiagwina
Tanzania Journal of Engineering and Technology (TJET)
This research is devoted to the issue of regulating traffic congestion in major cities using light-dependent resistors coupled with the PIC16F877A microcontroller. This study proposes an intelligent traffic control system for T-Junctions, utilizing sensing and control to optimize traffic flow through dynamic phase adjustments and congestion reduction, enabled by a microcontroller-based decision-making system. The proposed system reduces traffic congestion, automates control, and enhances safety, minimizing accidents and lowering infrastructure costs. Under simulated environment, it demonstrates an average response time of 50 ms and achieves 99% accuracy in displaying the correct countdown. Finally, the number of state transitions handled per minute …
Design And Performance Analysis Of Fiber Bragg Grating Temperature Sensor For Industrial Processes Sensing Applications, Paul Stone Stone Brown Macheso S.B.
Design And Performance Analysis Of Fiber Bragg Grating Temperature Sensor For Industrial Processes Sensing Applications, Paul Stone Stone Brown Macheso S.B.
Tanzania Journal of Engineering and Technology (TJET)
The Fiber Bragg Grating (FBG) sensor has become a widespread sensing device because of its small size, passive design, immunity to electromagnetic interference, and direct ability to measure physical properties like temperature and strain. Recently, femtosecond infrared laser processing and regeneration techniques have resulted in the development of stable high-temperature gratings, which are a powerful tool in smart factories, an aspect of the fourth Industrial Revolution (4IR), and show promise for application in harsh environments like high pressure, high temperature, or ionizing radiation. The development of stable high-temperature gratings that can withstand harsh environmental factors like high temperatures, pressures, and …
Application Of Artificial Neural Network Models For Predicting Diesel And Petrol Prices In The Geographically Sparsed Regions In Tanzania, John M. Kafuku
Application Of Artificial Neural Network Models For Predicting Diesel And Petrol Prices In The Geographically Sparsed Regions In Tanzania, John M. Kafuku
Tanzania Journal of Engineering and Technology (TJET)
Fuel consumption in Tanzania, mainly diesel and petrol, accounts for 82 percent of the energy consumption in the country, with significant price volatility affecting market stability, availability of fuel, and investment decisions. This study uses an artificial neural network (ANN) with a backpropagating algorithm to predict fuel prices in four regions of Tanzania. Key input parameters include the currency inflation rate (CIR), the petrol fuel inventory (PFI), the diesel fuel inventory (DFI), and the fuel transport costs (FTC). The study selected the 6-10-10-2 ANN structures for Sumbawanga-Rukwa, Mpanda-Katavi, and Mbeya-Mbeya as well as 6-10-9-2 for the Songea-Ruvuma region. The results …
Flood Inundation Mapping For The Tana River Delta In Kenya, Anne N. Mugatha
Flood Inundation Mapping For The Tana River Delta In Kenya, Anne N. Mugatha
Tanzania Journal of Engineering and Technology (TJET)
This study aimed at mapping flood inundation areas in the Tana River Delta. The 30 m DEM and digitized streams and road networks data were collected through remote sensing techniques followed by ground truthing. The data used also included Tana River discharge data at Garsen gauging station. Probability distributions were fitted on the annual maximum discharges. The 4 parameter generalized Gamma probability distribution was the best-fitting distribution according to goodness-of-fit criteria and the Q-Q plots and was used to generate the flood quantiles for different return periods. The generated flood quantiles were; 286 m3/s, 369 m3/s, 400 m3/s, 405 m3/s, …