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Variations In Extreme Wet Days During The Ond Rainy Season In Tanzania And Their Linkages To Atmospheric-Oceanic Anomalies, Philemon Henry, Paul Ts Limbu
Variations In Extreme Wet Days During The Ond Rainy Season In Tanzania And Their Linkages To Atmospheric-Oceanic Anomalies, Philemon Henry, Paul Ts Limbu
Tanzania Journal of Science
Extreme rainfall remains one of the leading natural disasters in Tanzania, affecting the majority of citizens and the country’s economy. Understanding the seasonal patterns and associated atmospheric and oceanic anomalies could help mitigate their impacts. The current study investigates changes in seasonal extreme wettest days (EWDs) rainfall in Tanzania and the associated atmospheric and oceanic anomalies during October-December (OND), from 1981 to 2020. EWD is defined as days when daily rainfall meets or exceeds the 99th percentile. Singular value decomposition (SVD), Mann-Kendall, t-test, and Pettitt test methods were applied in this study. The results indicate that approximately 2 EWD …
Combatting Road Accidents And Fatalities : The Colonial State, Voluntary Organisations, And Road Safety In Northern Rhodesia, 1940s-1964, Mbozi Santebe
Zamani: A Journal of African Historical Studies
Northern Rhodesia (now Zambia) experienced an increase in the use of motor vehicles from the late 1920s. Consequently, there was a rapid increase in the occurrence of road accidents from the 1940s onwards. The rise in cases of accidents attracted attention of the colonial state and other stakeholders that embarked on measures to improve road safety. Using a corpus of archival sources, this article examines the measures that the colonial state and voluntary organisations undertook to improve road safety in Northern Rhodesia from the 1940s to 1964. It contributes to scholarly works on the use of motor vehicles in Africa …
Dynamics Of Infanticides Among The Ngoni Of Tanzania, 1850s-1916, Andrew S. Kasambala, Oswald J. Masebo
Dynamics Of Infanticides Among The Ngoni Of Tanzania, 1850s-1916, Andrew S. Kasambala, Oswald J. Masebo
Zamani: A Journal of African Historical Studies
Infanticide is one of the key factors in explaining changes in human populations since the antiquity. This paper examines dynamics of infanticide practices among the Ngoni of Tanzania from the late pre- colonial to the end of German colonial rule in 1916. Relying on primary and secondary sources, it argues that while infanticide remained a critical problem in Songea from the 19th century to the end of German colonialism in 1916, the context in which it was practiced and the interventions devised to alleviate it changed over time. While it was primarily practiced in Songea by pre-Ngoni communal based clans …
Criteria For Rejecting Ideas In African Philosophy : A Historical And Epistemological Analysis, Eric C. Mgalula
Criteria For Rejecting Ideas In African Philosophy : A Historical And Epistemological Analysis, Eric C. Mgalula
Zamani: A Journal of African Historical Studies
The rejection of African ideas remains a pivotal debate in African philosophy, centring on tensions between universalist epistemologies and culturally specific criteria. This study synthesizes fragmented discussions into a cohesive framework, interrogating when and why African ideas may be deemed inadequate. It critiques contemporary African scholarship that rigidly adheres to indigenous traditions under decolonial and nationalist imperatives, advocating instead for a balanced approach that harmonizes intellectual rigor with cultural authenticity. Through a historical analysis of key thinkers—from Tempels and Hountondji to Wiredu and Oyewumí—this article historicizes the evolution of evaluative criteria in African philosophy, challenging colonial legacies and romanticized traditionalism. …
Mediation Partiality And The East African Community’S ‘Quiet Diplomacy’ In The Kenyan Post-Election Crisis Of 2007/2008, Rasul A. Minja
Mediation Partiality And The East African Community’S ‘Quiet Diplomacy’ In The Kenyan Post-Election Crisis Of 2007/2008, Rasul A. Minja
Zamani: A Journal of African Historical Studies
This article examines the role of East African Community (EAC) in mediating the 2007/2008 Kenyan post-election crisis, analysing its engagement in regional conflict resolution. Despite its mandate to promote peace, the EAC's response was constrained by institutional weaknesses, political dynamics, and reliance on quiet diplomacy. The African Union-backed Panel of Eminent African Personalities, led by Kofi Annan, ultimately led the mediation, sidelining the EAC. Through the analysis of primary and secondary sources, the article indicates that EAC lacked a binding conflict management framework and faced decision-making delays that hindered swift intervention. The partiality of key figures, particularly President Yoweri Museveni …
Jonathan M Jackson, Visions For An African Valley: Histories Of Development In Kilombero, Tanzania Since 1877., Emanuel L. Mchome
Jonathan M Jackson, Visions For An African Valley: Histories Of Development In Kilombero, Tanzania Since 1877., Emanuel L. Mchome
Zamani: A Journal of African Historical Studies
Research on the history of colonial development and future-making in Tanzania has focused on the racial and class politics that influenced development visions and practices. Studies of postcolonial development history have demonstrated how state leaders and their ideologies shaped nation-building trajectories. Notwithstanding of the temporal dynamics, scholars have analysed how the flow of finance and technical assistance reveals intertwined global forces such as nationalism and the Cold War, and how foreign development assistance shaped development in Tanzania. Visions for an African Valley moves beyond this conventional analysis. Instead of employing ideological lenses in analysis, it specifically examines how colonial and …
Beyond Christianity : German Missionaries’ Heritage In Colonial Mbeya, Tanzania, 1880s-1918, Ashura Jackson Ngoya, Edward Simon Mgaya
Beyond Christianity : German Missionaries’ Heritage In Colonial Mbeya, Tanzania, 1880s-1918, Ashura Jackson Ngoya, Edward Simon Mgaya
Zamani: A Journal of African Historical Studies
This article examines the history of German missionaries in the colonial Mbeya, a southwest region of Tanzania, from the 1880s to 1918. It explores how missionaries influenced political, social, and economic changes that had a profound impact on the lives of the local population. The article investigates the secular roles of missionaries, which, although they supported evangelisation, they were not directly non- secular aspects. In doing so, the article considers missionaries' efforts in education, health, agriculture, trade, and tax collection, which sometimes led to them working as colonial intermediaries in certain areas of Mbeya. Based on primary and secondary sources, …
Engineering Inefficiencies And Technical Dependency : A Vital Lens In Understanding Power Outages In Postcolonial Tanzania, 1960s-1990s, Emanuel L. Mchome
Engineering Inefficiencies And Technical Dependency : A Vital Lens In Understanding Power Outages In Postcolonial Tanzania, 1960s-1990s, Emanuel L. Mchome
Zamani: A Journal of African Historical Studies
This article examines how the construction of power infrastructure in the 1960s-1980s shaped the future functioning of the Tanzanian power grid from the 1990s. The article is based on oral sources and archival material collected from the Swedish National Archives in Stockholm, the Tanzania National Electric Supply Company Limited (TANESCO), the East Africana Section of the Wilbert Chagula Library at University of Dar es Salaam, the Rufiji Basin Development Authority (RUBADA) and the World Bank online sources. The article argues that engineering inefficiencies of some Western planners and builders of TANESCO’s power grid who failed to consider local ecological issues …
The Performance Of Satellite-Based Precipitation Data To Reproduce Observed Precipitation In Tanzania's Little Ruaha Catchment, Florence H. Mahay
The Performance Of Satellite-Based Precipitation Data To Reproduce Observed Precipitation In Tanzania's Little Ruaha Catchment, Florence H. Mahay
Tanzania Journal of Engineering and Technology (TJET)
Satellite-based precipitation datasets have emerged as promising tools for addressing rainfall data scarcity in regions with limited ground observations, such as Sub-Saharan Africa. This study evaluates the performance of five satellite-based precipitation products CHIRPS, CPC, GPCC, MERRA-2, and ERA5 in capturing rainfall characteristics over the Little Ruaha Catchment in Tanzania. The assessment was carried out at daily, monthly, and seasonal timescales and focused on key rainfall indices including onset and cessation dates, length of the rainy season, total rainfall, and frequency of rainy days. Validation was conducted using statistical indicators such as the correlation coefficient (r), Nash–Sutcliffe Efficiency (NSE), Root …
Control Of Ferroelectric And Dielectric Properties Of Undoped, Fe, And Nb-Doped Single-Crystalline (001) Oriented Pb (Zr0.5ti0.5) O3 Thin Films, Mahamudu H. Mtebwa
Control Of Ferroelectric And Dielectric Properties Of Undoped, Fe, And Nb-Doped Single-Crystalline (001) Oriented Pb (Zr0.5ti0.5) O3 Thin Films, Mahamudu H. Mtebwa
Tanzania Journal of Engineering and Technology (TJET)
While several factors that influence the properties of ferroelectric devices have been extensively studied in bulk ceramics and polycrystalline thin films, limited is known about the same on single crystalline thin films which have great potential in memory and energy applications. This knowledge gap is largely due to the limited availability of substrates with lattice parameters suitable for supporting high-quality epitaxial growth. In this study, undoped, Fe-doped, and Nb-doped (001)-oriented Pb(Zr₀.₅Ti₀.₅)O₃ thin films were deposited using pulsed laser deposition, each with a SrRuO₃ bottom electrode and a PrScO₃ substrate. The doping concentration used is 1% for both Fe and Nb. …
Maximum Likelihood Symbol Timing Algorithm Based On Cyclic Prefix For Ofdm Systems, Kwame S. Ibwe
Maximum Likelihood Symbol Timing Algorithm Based On Cyclic Prefix For Ofdm Systems, Kwame S. Ibwe
Tanzania Journal of Engineering and Technology (TJET)
In this paper, a blind symbol synchronization algorithm is presented for orthogonal frequency-division multiplexing (OFDM) systems, and a timing function based on the redundancy of the cyclic prefix (CP) is introduced. The existing algorithms rely on the prior knowledge of the channel energy distribution i.e. channel power profile. In practical environment the channel power profile is unknown to the receiver and its statistics are expected to be highly changing. Nevertheless, the use of pilot symbols in channel profile estimation reduces efficiency as data subcarriers are used to carry pilots instead of payload. In this paper a timing function that accounts …
Condition Optimization For The Synthesis Of Castor Oil Templated Mesoporous Silica, Godlisten Namwel Shao
Condition Optimization For The Synthesis Of Castor Oil Templated Mesoporous Silica, Godlisten Namwel Shao
Tanzania Journal of Engineering and Technology (TJET)
The present work provides suitable conditions for the synthesis of mesoporous materials with improved porosity using an optimization technique. The proposed preparation method involves forming final products by varying the amount of castor oil, media, and template removal. The obtained samples were examined by TGA, XRD, DRIFT and nitrogen physisorption studies. It was observed that the porosity of the obtained samples was dependent on the conditions under which the materials were synthesized. All synthesized materials showed the Type IV adsorption-desorption isotherm features of mesoporous, regardless of the conditions utilized during the synthesis. The sample synthesized using 2.5 g of a …
Techno-Economic Analysis Of Hybrid Pv-Wind-Diesel Generator Swarm Grid For Rural Electrification In Tanzania, Ibrahim Mwammenywa
Techno-Economic Analysis Of Hybrid Pv-Wind-Diesel Generator Swarm Grid For Rural Electrification In Tanzania, Ibrahim Mwammenywa
Tanzania Journal of Engineering and Technology (TJET)
Remote, rural, and off-grid communities, particularly in Sub-Saharan Africa (SSA), face significant challenges in securing reliable and affordable electricity. While solutions such as solar home systems (SHSs) and diesel generators (DGs) have been adopted by some individuals, their deployment is often not optimized to meet the full load demand. This study addresses this challenge by proposing a hybrid swarm grid (HSG) design that integrates photovoltaic (PV), wind energy, and diesel generators (DGs). Utilizing MATLAB/Simulink and HOMER, the HSG is modeled and optimized for a typical SSA village, incorporating real-world variables such as load demand profiles, solar irradiance, and wind patterns. …
Adoption Of Agrivoltaics In Developing Countries: A Review On Challenges, Opportunities And Future Prospects, Abdi J. Athumani, Pater Makolo
Adoption Of Agrivoltaics In Developing Countries: A Review On Challenges, Opportunities And Future Prospects, Abdi J. Athumani, Pater Makolo
Tanzania Journal of Engineering and Technology (TJET)
This paper provides a review of agrivoltaics technology and how it has been applicable in developing countries, including African countries. Agrivoltaics, the integration of agricultural production with photovoltaic energy generation, offers promising solutions to water- energy-food nexus in developing countries. This technology offers the dual benefit of increasing agricultural productivity while generating clean energy, which is very important for regions facing frequent electricity shortages and declining agricultural yields due to climate change. However, despite its potential, the adoption of agrivoltaics in developing nations remains limited in comparison to developed countries due to financial, technical and policy constraints. This paper explores …
Cnn-Based Hybrid Model For Detecting Blight Diseases In Potato Crops With Advanced Image Processing Techniques, Farian S. Ishengoma
Cnn-Based Hybrid Model For Detecting Blight Diseases In Potato Crops With Advanced Image Processing Techniques, Farian S. Ishengoma
Tanzania Journal of Engineering and Technology (TJET)
Potato production plays a vital role in global agriculture as a major food source for large populations. However, potato crops are highly susceptible to diseases, particularly Early Blight and Late Blight, which result in substantial yield losses. Timely detection and effective control of these diseases are essential for maintaining stable crop output. This study explores the integration of Convolutional Neural Networks (CNNs) and advanced image processing techniques to differentiate between diseased and healthy potato plants accurately. Two datasets comprising original and enhanced images were used to train four CNN models: InceptionV3, Xception, Densenet201, and Resnet152V2. The original images underwent background …
Optimal Location And Sizing Of Facts Devices To Improve Voltage Profiles On A 132 Kv Mwanza-Musoma-Nyamongo Transmission Line, Peter Makolo
Optimal Location And Sizing Of Facts Devices To Improve Voltage Profiles On A 132 Kv Mwanza-Musoma-Nyamongo Transmission Line, Peter Makolo
Tanzania Journal of Engineering and Technology (TJET)
Recently, utility companies have desired to supply quality, stable and reliable power to customers, and ensure they meet the demand. Flexible AC Transmission Systems (FACTS) dynamic compensator devices such as Static Synchronous Compensator (STATCOM), Static VAr Compensator (SVC) and Unified Power Flow Controller (UPFC) are an impeccable choice, however, cost is one of the limiting factors following these technologies. In addition, using FACTS devices in the system requires a detailed steady state, dynamic and optimisation analysis to effectively meet the purpose and ensure reduced cost. This paper proposes using an optimised FACTS device to improve voltage profile, power transfer, system …
Investigating The Harmonic Content Of A Pwm Inverter With Varying Modulation Index, Peter Makolo
Investigating The Harmonic Content Of A Pwm Inverter With Varying Modulation Index, Peter Makolo
Tanzania Journal of Engineering and Technology (TJET)
Photovoltaic energy is a clean and endless vital renewable energy. In order to generate electricity from solar energy an inverter is required to transform the direct current into alternating current. Also, with the emerging of new ultra-high voltage direct current transmission technology, the rectification and inverters play a great role. Most three-phase two-level inverters draw harmonics that cause heat dissipation, waveform distortions hence affect the electrical loads. Knowing that Total Harmonic Distortion content of voltage source inverter is important and must be within the allowable range. Several schemes are suggested to mitigate the distortion in order to produce as much …
Swahili And English Sell, But What About Iraqw And Sukuma? Tanzanian Native Languages And Ethnic Affiliations In Bottom-Up Commercial Signage, Adventina Buberwa
Swahili And English Sell, But What About Iraqw And Sukuma? Tanzanian Native Languages And Ethnic Affiliations In Bottom-Up Commercial Signage, Adventina Buberwa
Journal of Humanities and Social Sciences
Policy statements in Tanzania forbid the use of ethnic community languages but permits Swahili and English in the public space. In this paper, we question the total absence of ethnic community languages in signposts in which previous studies of linguistic landscape attested the presence of unpermitted languages of Arabic, Chinese and Hindi. Under the auspices of the social identity theory, we envisaged the investigation and analysis of personal and place names on privately-owned commercial signposts. It has come out clearly that owners of the businesses represented would no doubt hope that the names they include in their signage would appeal …
Warehouse Management Practices And Retail Supermarkets Performance: The Case Of Ugandan Retail Supermarkets, Gerald Zachary Paga Tinali, Shallon Mpirirwe, Patrick Christopher Singogo
Warehouse Management Practices And Retail Supermarkets Performance: The Case Of Ugandan Retail Supermarkets, Gerald Zachary Paga Tinali, Shallon Mpirirwe, Patrick Christopher Singogo
Business Management Review
This study examined the role of warehouse management practices on the retail supermarkets' performance in Uganda. The study was guided by Dynamic Capabilities Theory and empirical literature to develop research hypotheses. The study employed a cross-sectional research design with a quantitative approach, and a structured questionnaire was used as the main instrument for data collection. The study used partial least squares structural equation modelling aided by Smart PLS to validate measures of constructs employed in the model and test the hypotheses using data from 100 key respondents from warehouse and operations units of retail supermarkets in Uganda. Findings indicate that …
Tanzania’S Green Gold: Export Potential, Competitiveness And Strategic Pathways For Avocado Products, Petro Sauti Magai
Tanzania’S Green Gold: Export Potential, Competitiveness And Strategic Pathways For Avocado Products, Petro Sauti Magai
Business Management Review
Tanzania’s avocado sector has emerged as a promising contributor to agricultural exports. Despite its rapid growth, with export values increasing annually, the sector remains underutilized within the global avocado market. This study integrates the global value chain and comparative advantage theories to explores the export potential of Tanzanian avocado products by analyzing the current market trends, identifying opportunities, addressing challenges, and proposing strategies to enhance product-level competitiveness in international markets. A mixed-method approach was employed, integrating International Trade Center (ITC) tools such as the export potential map, trade map, and market access map to identify high-potential export markets, quantify untapped …
Digitalization In Logistics And Supply Chain Management For Agro-Processing Smes In Kahama And Msalala – Tanzania, Mohammed Semkunde
Digitalization In Logistics And Supply Chain Management For Agro-Processing Smes In Kahama And Msalala – Tanzania, Mohammed Semkunde
Business Management Review
This study explored the growing landscape of Logistics and Supply Chain Managemnent (LSCM) focusing on Small and Medium Enterprises (SMEs) in Tanzania. The purpose was to examine on how digitalization is adopted and utilized in the agro-processing sector by SMEe in Kahama and Msalala districts to enhance their LSCM practices. Through the lense of Technological Acceptance Model, Resource Based View and Institutional Theory framework, the study employed a qualitative case study design in which pattern matching technique was used for data analysis. The main findings reveal that there are varying levels of digital adoption across SMEs, improved efficiency for digitally …
Double Entry Bookkeeping: Its Philosophical And Mathematical Underpinnings, Henry Zeno Chalu
Double Entry Bookkeeping: Its Philosophical And Mathematical Underpinnings, Henry Zeno Chalu
Business Management Review
This paper explores double entry bookkeeping as a theoretical and practical framework for the accounting discipline. Three foundational theoretical underpinnings for double entry bookkeeping are provided which constitute scientific and philosophical justification for the practice. These underpinnings consist of two philosophical stances and one mathematical position. In regard to the two philosophical stances, double entry bookkeeping is considered to be based on a figurative language perspective as well as a causality perspective. Regarding the mathematical position, the paper argues that double entry bookkeeping is grounded in an algebraic perspective specifically Pacioli group. The paper, hence, contributes to the understanding of …
Comparative Analysis Of The Efficiency Of Reverse Osmosis And Hydroxyapatite For Fluoride Removal In Water: A Case Of Auwsa, Innocent J. Macha
Comparative Analysis Of The Efficiency Of Reverse Osmosis And Hydroxyapatite For Fluoride Removal In Water: A Case Of Auwsa, Innocent J. Macha
Tanzania Journal of Engineering and Technology (TJET)
Water treatment technology selection depends on contaminant type and budget. Fluoride removal from water is particularly challenging, requiring non-conventional treatment technologies (Radwan, 2023). Several regions in Tanzania, including Arusha City, are affected by fluoride contamination. With a population of 617,631 (Census, 2022), only 117,763 people currently have access to clean water supplied by AUWSA. This study aimed to compare the efficiency of Reverse Osmosis (RO) and Hydroxyapatite (HAP) in fluoride removal as a strategy to address water quality and supply challenges. Experiments were conducted using 6 m³ of raw water with fluoride concentrations ranging from 5.1 mg/L to 6.83 mg/L, …
Optimal Placement Of Distributed Generation Units In Power Distribution Networks Using Particle Swarm Optimization, Owdean M. Suwi
Optimal Placement Of Distributed Generation Units In Power Distribution Networks Using Particle Swarm Optimization, Owdean M. Suwi
Tanzania Journal of Engineering and Technology (TJET)
Power losses and voltage drops in distribution networks are critical issues in power system operation, reducing efficiency, reliability, and overall quality of the power supply to customers. Additionally, the rising electricity demand, deregulation of energy markets, and congestion in transmission networks have further contributed to the declining performance of the grid. To address these challenges, integrating distributed generation units (DGUs) into electric distribution systems has gained significant attention. Furthermore, the integration of DGUs into conventional fossil fuel-based power plants is becoming necessary to reduce greenhouse gas emissions. However, proper placement and sizing of DGUs are crucial for achieving optimal benefits. …
The Royal Academy Of Engineering, Uk And The Enriching Of Engineering Education Training And Practice Programme In Sub-Saharan Africa, Bavo B. Nyichomba
The Royal Academy Of Engineering, Uk And The Enriching Of Engineering Education Training And Practice Programme In Sub-Saharan Africa, Bavo B. Nyichomba
Tanzania Journal of Engineering and Technology (TJET)
This paper elucidates initiatives taken by the Royal Academy of Engineering, UK, to overcome barriers in education and training in Sub-Sahara African higher learning engineering institutions. The said barriers include mismatches of curriculum, ineffectual teaching and learning and little exposure of academic staff to engineering practice. In order to overcome such barriers, the Royal Academy of Engineering established the two programmes in the region. The first one, Enriching Engineering Education Programme (EEEP) from 2014/15 to 2015/16 where the University of Dar es Salaam coordinated this programme as a hub for East African universities namely; Makerere University (Uganda), Moi University (Kenya), …
Performance Dynamics Of Activated Carbon-Methanol Pair In Adsorption Refrigeration Systems, Ibrahim J. Mwasubila
Performance Dynamics Of Activated Carbon-Methanol Pair In Adsorption Refrigeration Systems, Ibrahim J. Mwasubila
Tanzania Journal of Engineering and Technology (TJET)
Adsorption refrigeration systems have shown potential for addressing the adverse effects of traditional compressor-based refrigeration systems. Adsorption refrigeration systems that utilise activated carbon and methanol demonstrate good performance, especially at temperatures below 0 °C. This combination significantly improves the cooling performance of the system, making it a dependable option for freezing applications. Despite having the potential to meet cooling demand and be eco-friendly, the adsorption refrigeration system has several drawbacks that hinder its commercialisation. This paper discusses the properties of the activated carbon methanol pair in the adsorption refrigeration system. The focus is on the desorption temperature, thermal stress, repeatability …
Strategies For Overcoming Product Certification Challenges Faced By Food Manufacturing Small And Medium Enterprises In Tanzania, Peresi M. Bulemo
Strategies For Overcoming Product Certification Challenges Faced By Food Manufacturing Small And Medium Enterprises In Tanzania, Peresi M. Bulemo
Tanzania Journal of Engineering and Technology (TJET)
Small and Medium-sized Enterprises (SMEs) in Tanzania face significant regulatory challenges within bureaucratic, costly, and centralized environments. These challenges contribute to an increase in unregistered enterprises and substandard products in the market. This study aimed to address the challenges SMEs encounter in obtaining product certification to improve their product quality and market competitiveness. A mixed-methods approach was employed, combining qualitative and quantitative research through surveys, interviews, and document analysis, with respondents from the Tanzania Bureau of Standards (TBS), Small Industries Development Organization (SIDO), and SMEs in the food manufacturing sector. Data analysis was conducted using SPSS and JASP. Findings revealed …
Prospects Of Clean Cooking Energy In Africa - Transition Pathways And Implications, Joseph H. Kihedu Dr.
Prospects Of Clean Cooking Energy In Africa - Transition Pathways And Implications, Joseph H. Kihedu Dr.
Tanzania Journal of Engineering and Technology (TJET)
Despite abundant renewable energy resources, African countries still suffer from energy poverty, particularly in cooking. Up to 2022, about 74% of the African population had no access to clean cooking energy. With focus to Sub-Saharan African population, 90% has no access to clean cooking energy which decrease by 7% when kerosene is included. Traditional cooking, which involves the use of charcoal and firewood, is associated with health problems, environmental degradation, socioeconomic issues, and gender inequality. Transitioning to clean cooking energy not only promises significant health benefits but also offers opportunities for sustainable economic development and environmental preservation. In this study, …
Development And Experimental Validation Of A Non-Invasive Blood Group Detection System, Nurath K. Nurudini
Development And Experimental Validation Of A Non-Invasive Blood Group Detection System, Nurath K. Nurudini
Tanzania Journal of Engineering and Technology (TJET)
An individual's blood group consists of red blood cell antigens whose composition is determined by protein presence, antigen structure, and gene series. Persons aged above six months have significant anti-A and/or anti-B in their serum. During transplantation and transfusion, ABO blood group identification is the most essential factor. The conventional method involves drawing blood samples from patients, and the blood group is determined based on the antigen-antibody reaction. This method consists of adding chemical reagents. However, this requires time of operation, and throughput analysis is high, and the process is also challenging to interpret. Accurate and rapid identification of blood …
Towards Metrology 4.0 In Developing Countries’ Manufacturing Industries, Jailos Nzumile
Towards Metrology 4.0 In Developing Countries’ Manufacturing Industries, Jailos Nzumile
Tanzania Journal of Engineering and Technology (TJET)
A systematic literature review was conducted to unveil the status of the digital transformation of metrology in developing countries, as they are lagging in utilising fourth industrial revolution (IR4.0) technologies to transform manufacturing industries. A PRISMA technique was employed using various keywords to identify, screen, and select the relevant literature. Forty publications were selected for the review, mainly discussing IR 4.0 technologies in metrological operations. The results indicate that the digital transformation of metrology has yet to be initiated in developing countries. However, the employment of IR4.0 technologies in advancing metrological operations in manufacturing industries is mostly discussed in the …