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Articles 61 - 90 of 59116
Full-Text Articles in Entire DC Network
Load Flow Solution For Three-Phase Mv Radial Distribution Connected Network Supplying Different Line Topologies, B. J. Kundy
Load Flow Solution For Three-Phase Mv Radial Distribution Connected Network Supplying Different Line Topologies, B. J. Kundy
Tanzania Journal of Engineering and Technology (TJET)
In this paper, a load flow solution for the Medium Voltage (MV) three-phase radial distribution in delta-delta (Δ–Δ) connected network supplying different line topologies such as three phase, phase to phase and single-wire earth return (SWER) networks is presented. The general voltage related network equations are developed using Kirchhoff’s voltage and current laws. Development of a solution to the load flow analysis applying the developed general voltage related network equations is proposed in order to evaluate the network voltage profile. Various numbers of arrays are developed for the identification of the network under study. The proposed method is a new …
The Inclusion Behaviothe Inclusion Behavior Of Sodium Compounds In Sub-Micron Particles Formed During Coal Combustionr Of Sodium Compounds In Sub-Micron Particles Formed During Coal Combustion, Iddi Mkilaha
Tanzania Journal of Engineering and Technology (TJET)
During combustion of coal, biomass and sewage sludge, metallic compounds especially alkali metals such as sodium and potassium vaporize and form fumes which are emitted with the exhaust gases. These fumes are corrosive to the turbine blades of power plants. To minimize corrosion, efforts have been made to control the condensation phase of these metals. In this study, the evolution and inclusion of sodium in sub-micron particles was investigated using a drop tube furnace and a low-pressure impactor (LPI). Four types of coal with different chemical properties were tested. The results suggest that a reaction-controlled mechanism and nucleation via chemical …
Simulation Of The Communication Process In A Pin Mill, Ambrose J. M. Itika
Simulation Of The Communication Process In A Pin Mill, Ambrose J. M. Itika
Tanzania Journal of Engineering and Technology (TJET)
Prediction of the performance of comminution equipment by mathematical models and simulation poses a great challenge to the chemical engineer. This paper describes the simulation of grinding results obtained using an impact mill. Single particle results have been used to generate breakage and selection coefficients that were used for the evaluation of the model. Results have shown that simulation model is in good agreement with the experimental data obtained at a circumferential speed above 60 m/s. At lower speeds, the models shows only partial agreement in the middle particle size ranges. The application of the model is therefore limited for …
Using Pedotransfer Functions To Predict Saturated Hydraulic Conductivity For Layered Soil Profiles A Case Study At The Sokoine University Of Agriculture Farm, Tanzania, M. K. Mulengera
Tanzania Journal of Engineering and Technology (TJET)
Saturated soil hydraulic conductivity (SHC), is useful for land resources management. But it is difficult, time consuming, and labour intensive to measure in the field. These problems can be overcome through the use of pedotransfer functions (PTFs), which relate the SHC to readily available soil physical, chemical, and biological parameters. The existing PTFs were developed in temperate countries using homogeneous core soil samples. Thus, these PTFs are not useful for tropical soils with different properties and for layered soil profiles. In this paper, field measured SHC values are related to representative profile soil properties (RSPSPs) that are determined using horizons’ …
American Offshore Business Tax Planning: Can Australian Lawyers Get A Piece Of The Action?, J Clifton Fleming, Jr.
American Offshore Business Tax Planning: Can Australian Lawyers Get A Piece Of The Action?, J Clifton Fleming, Jr.
Faculty Scholarship
No abstract provided.
Historical Analysis Of Timber Dependency In Alabama, Glenn R. Howze, Laura J. Robinson, Joni F. Norton
Historical Analysis Of Timber Dependency In Alabama, Glenn R. Howze, Laura J. Robinson, Joni F. Norton
Journal of Rural Social Sciences
Almost every part of Alabama is heavily forested and by most standards the forest products industry is the state's leading industry. A significant portion of the total employment and the majority of the manufacturing employment of these counties are in forest product enterprises, criteria used here to define timber dependent counties. This paper will use the historical demographic, economic, and agricultural census data to trace the development of timber dependency in rural counties in Alabama. Understanding the social and land use history is critical in examining timber dependency in Alabama today. Conclusions will be drawn between rural and timber dependent …
Regional Comparisons Of Timber Dependency: The Northwest And The Southeast, Joni F. Norton, Glenn R. Howze, Laura J. Robinson
Regional Comparisons Of Timber Dependency: The Northwest And The Southeast, Joni F. Norton, Glenn R. Howze, Laura J. Robinson
Journal of Rural Social Sciences
We perform a comparison of the timber dependency and socioeconomic characteristics of timber dependent counties for three states in the Northwest region (Idaho, Oregon, and Washington) and three states in the Southeast region (Alabama, Georgia, and Mississippi) of the United States. The purpose of this research is to examine whether two forested areas of the United States experience timber dependency in similar ways. This research defines timber dependent counties as those with 20 percent or more of the total employment in forest-based industries. Questions related to forest-based employment patterns and socioeconomic correlates of timber dependency are examined. Tests of difference …
Public Interests In Private Property: Conflicts Over Wood Chip Mills In North Carolina, Sarah T. Warren
Public Interests In Private Property: Conflicts Over Wood Chip Mills In North Carolina, Sarah T. Warren
Journal of Rural Social Sciences
The controversy over chip mills in North Carolina is part of a larger public discussion of forest policy throughout the southern Appalachians, Ozarks, and Ouachitas. Chip mills have become a symbol of forest resource exploitation in the southern Appalachians, and many studies and commissions have been established for analysis of the conflict. In this paper I describe the tensions that have arisen between new public views of appropriate property use and more traditional views of natural resource use. Based on the results of a social impact assessment conducted in the summer of 1999 as part of a broader study on …
Public Perceptions About Biotechnology, Don E. Albrecht
Public Perceptions About Biotechnology, Don E. Albrecht
Journal of Rural Social Sciences
Biotechnology represents a new generation of scientific and technological advancements and has the potential to result in profound changes in twenty-first century agriculture. Since the general public are the consumers of biotechnology products, public acceptance is vital. This article presents the results of a survey of a random sample of Texas residents on two significant issues. First, to what extent is the general public supportive of biotechnology, and second, are there some segments of the population that are more supportive of biotechnology than other segments. Survey results make it apparent that the Texas general public has a clear mandate about …
Vessel Traffic Services (Vts) : The Management And Monitoring Of Maritime Traffic In Light Of The New Technology Of The Automatic Identification System (Ais), Ehab Ibrahim Othman
Vessel Traffic Services (Vts) : The Management And Monitoring Of Maritime Traffic In Light Of The New Technology Of The Automatic Identification System (Ais), Ehab Ibrahim Othman
World Maritime University Dissertations
No abstract provided.
The Emerging Role Of The Classification Society As An Extension Of The Flag State Administration, Rogelio Estrada Villanueva Jr.
The Emerging Role Of The Classification Society As An Extension Of The Flag State Administration, Rogelio Estrada Villanueva Jr.
World Maritime University Dissertations
No abstract provided.
Menerawang Kebijakan Moneter Yang ‘Forward Looking’, Firman Mochtar
Menerawang Kebijakan Moneter Yang ‘Forward Looking’, Firman Mochtar
Bulletin of Monetary Economics and Banking
Dengan mempertimbangkan kemungkinan dampak interaksi antara kebijakan fiskal dan kebijakan moneter serta turut memperhatikan sumber pembiayaan bagi penerapan satu kebijakan, tulisan ini berusaha menelaah dampak penerapan kebijakan moneter yang ‘forward looking’. Hasil menerawang mengindikasikan bahwa upaya menerapkan kebijakan moneter yang ‘forward looking’ dalam periode SBI sebagai piranti moneter relatif terbatas. Sempitnya ruang gerak kebijakan moneter yang ‘forward looking’ pada periode SBI ini tersirat dari kemungkinan munculnya fenomena ‘tight monetary paradox’ saat kebijakan moneter ketat diterapkan. Gambaran berbeda bilamana kebijakan moneter yang ‘forward looking’ tersebut diterapkan pada saat piranti yang digunakan adalah surat utang negara (SUN, misalnya T-Bills). Kebijakan moneter yang …
Murray Ledger And Times, December 31, 2003, Murray Ledger And Times
Murray Ledger And Times, December 31, 2003, Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Insect Infestation Of Maize, Zea Mays (L.) In Indigenous Storage Structures In Morogoro Region, Tanzania, Cp Rugumamu
Insect Infestation Of Maize, Zea Mays (L.) In Indigenous Storage Structures In Morogoro Region, Tanzania, Cp Rugumamu
Tanzania Journal of Science
Insect infestations and losses of maize stored in four types of indigenous storage structures in Morogoro Region, Tanzania were investigated. Infestation levels and weight losses caused by the larger grain borer, Prostephanus truncatus (Horn) and the maize weevil, Sitophilus zeamais (Motsch.) were found to differ significantly in the four types of storage structures (Dari, Kihenge, Kichanja and Reli). Lower infestation levels by the two pests and less weight losses were observed inDari and Kihenge than in Kichanja and Reli. The infestations and weight losses exhibited a significant trend that was in the order, Dari< Kihenge < Kichanja < Reli. These findings suggest that Dari and Kihenge are more appropriate for the incorporation in Integrated Pest Management (IPM) for P. truncatus and S. zeamais in Morogoro Region.
Performance Of Pleurotus Flabellatus On Water Hyacinth (Eichhornia Crassipes) Shoots At Two Different Temperature And Relative Humidity Regimes, Ak Kivaisi, Fss Magingo, B Mamiro
Performance Of Pleurotus Flabellatus On Water Hyacinth (Eichhornia Crassipes) Shoots At Two Different Temperature And Relative Humidity Regimes, Ak Kivaisi, Fss Magingo, B Mamiro
Tanzania Journal of Science
Efforts are being made in Tanzania to promote mushroom cultivation, and identification of abundantly available plant biomass residues appropriate for growing mushrooms is part of the efforts. This study investigated the suitability of water hyacinth as a bulk substrate for growing a newly domesticated local oyster mushroom, Pleurotus flabellatus. The performance of the mushroom was investigated under ambient temperature and relative humidity (RH) regimes of 18-25/27-29 oC and 55-85/78-93%, respectively. The growth cycle of the mushroom was completed in 40 days with three and four flushes respectively. At the higher temperature and RH regime, the mushroom grew faster and the …
Antibacterial Activities Of Constituents From Isolona Cauliflora And Cleistochlamys Kirkii, Ac Odebode, Sjm Mdachi, Cc Joseph, Bn Irungu
Antibacterial Activities Of Constituents From Isolona Cauliflora And Cleistochlamys Kirkii, Ac Odebode, Sjm Mdachi, Cc Joseph, Bn Irungu
Tanzania Journal of Science
Antibacterial activities of caulindole D, a mixture of caulindole E and F, pinocembrin and an oxyheptanoid (cleistenolide), obtained from stem barks of Isolona cauliflora and Cleistochlamys kirkii, on Staphylococcus aureus and Pseudomonas phaseolicola were determined. An in vitro assay test by paper disc method showed that the caulindole D, E and F from Isolona cauliflora produced no inhibition zone on both bacteria pathogens at 100-200 ppm while cleistochlamic acid from C. kirkii showed weak to moderate inhibition zone at 100-200 ppm. At concentration above 200 ppm, the bacteria pathogens were inhibited by all the compounds isolated from the plant extracts. …
Metal Concentrations In Sediment And Fish Of Lake Victoria Near And Away From Catchments With Gold Mining Acctivities, Jf Machiwa
Tanzania Journal of Science
Concentrations of metals in sediment and fish as well as organic matter contents of sediment from Lake Victoria were investigated. The objective of the study was to compare levels of metals in sediment and fish from areas of the lake that are within and outside catchments with gold mining activities.The results showed that the concentration of As was less than 6 mg g-1 dw and Cd was below 1.9 mg g-1 dw in sediment samples. Lead, zinc and copper concentrations were highest (58.1±17.6 mg g-1 dw, 101.9±20.6 mg g-1 dw and 32.6±2.8 mg g-1 dw respectively) in sediment samples that …
Salt Balance, Fresh Water Residence Time And Budget For Non-Conservative Materials For Makoba Bay During Wet Season, As Ngusaru, Aj Mmochi
Salt Balance, Fresh Water Residence Time And Budget For Non-Conservative Materials For Makoba Bay During Wet Season, As Ngusaru, Aj Mmochi
Tanzania Journal of Science
Water and salt budgets suggest that in order to balance the inflow and outflow of water at Makoba bay, there is net flux of water from the bay to the open ocean during wet season. Residual salt fluxes between the bay and the open ocean indicate advective salt export. Exchange of water between the bay with the open ocean plays a role of replacing exported salt via mixing. Calculated freshwater residence time for the bay is 63 days during wet season. Budget results for non-conservative materials indicate net DIP flux from the ocean to the bay and a net DIN …
Concentrations Of Metals In River Sediment And Wetland Vegetations In Mining, Lake Victoria Basin, Tanzania, Jf Machiwa
Concentrations Of Metals In River Sediment And Wetland Vegetations In Mining, Lake Victoria Basin, Tanzania, Jf Machiwa
Tanzania Journal of Science
Levels of metals were determined in river sediment, rice and sugarcane juice from Lake Victoria basin where small-scale gold processing activities are carried out to assess levels of contamination. Concentrations of metals in river sediments were generally high in areas that were closest to gold ore processing sites. For instance, mercury was highest (36.3 ±12.8 mg/g dw) in river sediments of Tigiti River in Mugumu District. Other heavy metals (Cd, Pb, Zn and Cu) had highest concentrations (2.20±0.71, 208±19.3, 412±20.1 and 132.7±11.9mg/g dw, respectively) in sediment samples from Kagota. The concentration of arsenic was highest (985.0±67.2 mg/g dw) in Mugusu …
Synthesis Of Some Cis-4,4-Dimethyl-2-Isopropenylcyclopentane Derivatives As Potential Intermediates Towards The Protoilludane Skeleton, Sjm Mdachi
Tanzania Journal of Science
The three gem-dimethyl-substituted cyclopentane derivatives 1-(2-propionyl)-4,4-dimethyl-2-isopropenylcyclopentane, 2-isopropenyl-4,4-dimethylcyclopentanecarboxyaldehyde and 1-hydroxy- methyl-2-isopropenyl-4,4-dimethylcyclopentane have been synthesized employing a thermally induced ene reaction as a key step. Each of the three compounds has been obtained predominantly as the cis isomer. The successful synthesis of these compounds affords opportunities for their further ellaboration towards sesquiterpenes of the protoilludane skeleton.
Counselor, Gatekeeper, Shareholder, Thief: Why Attorneys Who Invest In Their Clients In A Post-Enron World Are "Selling Out," Not "Buying In,", A. Christine Hurt
Counselor, Gatekeeper, Shareholder, Thief: Why Attorneys Who Invest In Their Clients In A Post-Enron World Are "Selling Out," Not "Buying In,", A. Christine Hurt
Faculty Scholarship
No abstract provided.
Cost Comparison Between The North-South Corridor Northern Europe To The Persian Gulf And The Suez Canal Route, Masoud Mohsenpour
Cost Comparison Between The North-South Corridor Northern Europe To The Persian Gulf And The Suez Canal Route, Masoud Mohsenpour
World Maritime University Dissertations
No abstract provided.
Complying With The New Maritime Security Regime : Towards A Model Maritime Law Enforcement Approach, Donny Michael
Complying With The New Maritime Security Regime : Towards A Model Maritime Law Enforcement Approach, Donny Michael
World Maritime University Dissertations
No abstract provided.
Smart Cards As Proof Of Seafarers' Identity And Certificate, Hamid Reza Akrami
Smart Cards As Proof Of Seafarers' Identity And Certificate, Hamid Reza Akrami
World Maritime University Dissertations
No abstract provided.
Effective Dual Purpose Training For Competent Seafarers And Competitive Shipping, Masahiro Sugimoto
Effective Dual Purpose Training For Competent Seafarers And Competitive Shipping, Masahiro Sugimoto
World Maritime University Dissertations
No abstract provided.
Balancing Coastal State Jurisdiction And International Navigational Rights : A Vessel-Source Marine Pollution Perspective, Emmanuel Ndze Buh
Balancing Coastal State Jurisdiction And International Navigational Rights : A Vessel-Source Marine Pollution Perspective, Emmanuel Ndze Buh
World Maritime University Dissertations
No abstract provided.
The Logistics Potential Of The Aqaba Special Economic Zone As A Regional Gateway, Sufian Atalah Al-Muhaisen
The Logistics Potential Of The Aqaba Special Economic Zone As A Regional Gateway, Sufian Atalah Al-Muhaisen
World Maritime University Dissertations
No abstract provided.
A Comparative Study Of Import Transit Corridors Of Landlocked Countries In West Africa, Michael Achagwe Luguje
A Comparative Study Of Import Transit Corridors Of Landlocked Countries In West Africa, Michael Achagwe Luguje
World Maritime University Dissertations
No abstract provided.
A Selection And Comparison Of Risk Assessment Methods And Models To Be Used For The International Ship And Port Facility Security Code, Fidel Eduardo Reyes Melendez
A Selection And Comparison Of Risk Assessment Methods And Models To Be Used For The International Ship And Port Facility Security Code, Fidel Eduardo Reyes Melendez
World Maritime University Dissertations
No abstract provided.
The Integration Of Existing Regulatory Measures To Develop An Effective Quality System For The Maritime Industry, Rafael Quiroz Vera
The Integration Of Existing Regulatory Measures To Develop An Effective Quality System For The Maritime Industry, Rafael Quiroz Vera
World Maritime University Dissertations
No abstract provided.