Digital Commons Network^™

Identifikacija Porabnikov Z Blagovno Znamko: Vloga Porabnikove Potrebe Po Edinstvenosti In Vloga Porabniških Stereotipov, Živa Kolbl, Selma Saračević

Economic and Business Review

The relationship between consumers and brands is an important area of research in marketing. The realisation that consumers form interpersonal–like relationships with brands has changed the course of research in marketing, which has since also focused on the study of consumer–brand relationships. Based on consumers' need for uniqueness and the model of stereotypes from social psychology, our study examines how consumers' need for uniqueness and stereotypical beliefs about typical users of the brand influence their identification with the brand. The results of our study, which focuses on consumers' favourite brands, show that consumers' need for uniqueness and the brand buyer …

Posledice Socializma In Tranzicije V Sloveniji Za Premoženjsko Stanje Oseb V Starosti 50+, Jože Sambt, Tanja Istenič

Economic and Business Review

During socialism, savings forms were limited, while in certain periods some forms were devalued by high (or hyper) inflation. This period was characterized by a reduced need for savings as pensioners, the sick, the unemployed, the disabled, etc. were provided for by the state. Based on survey data from SHARE, the article compares the specifics regarding the size and form of wealth in Slovenia. Among the 14 countries analyzed, Czech Republic and Estonia, as the other two post-socialist countries, are at the bottom of the country ranking by wealth expressed in the number of average net monthly wages, while Slovenia …

Dinamični Turistični Sektor: Pregled In Obeti Za Prihodnost, Daša Farčnik, Kir Kuščer

Economic and Business Review

This article focuses on the dynamics of entries and exits in the tourism industry from 2006 to 2018. More specifically, it compares the entry and exit rates in each subsector of the tourism industry. Compared to other sectors of the economy, the tourism industry was much more dynamic in terms of both entry and exit rates. During and after the COVID-19 crisis, when the demand for tourism services decreased, we can expect lower entry rates of new firms and on the other hand increased exit rates. Among the sub-sectors, the most dynamic activity was observed for food and beverage service …

Covid-19 – Pospeševalnik Uveljavljanja Nadzora Nad Neposrednimi Tujimi Naložbami, Miha Juhart

Economic and Business Review

Until recently, no special measures were foreseen for the control of foreign direct investment. Free movement of capital is one of the pillars of economic systems and legal regulations, but it also allows some exemptions for the reason of public order and national security. However, the COVID 19 epidemic has shown that it can be very important that state is in position to execute efficient control on foreign direct investments to prevent some vital interests. The Republic of Slovenia also adopted some measures to control foreign direct investment in the Act Determining the Intervention Measures to Mitigate and Remedy the …

Digitalizacija In Covid-19: Večja Uporaba Sistema Za Upravljanje Učenja Na Primeru Ekonomske Fakultete Univerze V Ljubljani, Tomaž Turk

Economic and Business Review

We analyzed Canvas LMS daily usage at School of Economics and Business, University of Ljubljana, where our focus was on its increase due to COVID-19 lockdown. The use of the LMS by both students and teachers has increased in the past two academic years due to successful adoption, so we tried to differentiate the impact of successful adoption from the impact of measures against COVID-19. ARIMAX models show that the distinction between the two impacts is clear for the daily number of sessions and for the number of students who were active during the day. The number of individual courses …

Slovenski Kulturno-Kreativni Delavec V Času Pandemije Covida-19, Eva Matjaž, Polona Černič, Lejla Perviz, Irena Ograjenšek

Economic and Business Review

Even before the Covid-19 pandemic, the position of the Slovenian cultural and creative worker was anything but promising. During the pandemic, it has been further deteriorating as showcased in this paper on the basis of a questionnaire survey. Poligon Creative Center in cooperation with the Center for Creativity under the auspices of the Museum of Architecture and Design in Ljubljana was instrumental in the process of empirical research design. When developing our questionnaire survey, we aimed to find out how Slovenian workers in the cultural and creative sector (hereinafter CCS) cope with the changed working conditions due to the Covid-19 …

Krakatau On Fire, The Disaster Of 1883 In Dutch Colonial Literature: A Postcolonial Approach, Rick Honings

Paradigma: Jurnal Kajian Budaya

In 1883, the volcano Krakatau erupted and collapsed, causing the deaths of tens of thousands. The eruption was one of the first disasters to take place beyond the Dutch boundaries that received so much attention in the Netherlands. Although the disaster appealed to the imagination, it barely led to the publication of fiction. Only in Dutch Indies youth literature can one find something about the Krakatau. In this article, four Dutch stories and novels are analysed: “Stories of the moon” by Nellie van Kol-Porreij, The hermit of Rakata or Krakatau on fire by Robert Michael Ballantyne, “Nine Months on Krakatau” …

Teong Negeri: Sakralitas Identitas Lokal Masyarakat Negeri Adat Di Maluku Tengah, Revaldo Pravasta Julian Mb Salakory

Paradigma: Jurnal Kajian Budaya

This article discusses the sacredness of Teong Negeri in the life of the indigenous people in Maluku. Teong Negeri is seen as a symbol of the customary state in Central Maluku, among others, Negeri Haya, Hatu, Tehua and Wassu and has a function in maintaining the socio-cultural network. the four states of Pela Gandong Negeri Haya, Hatu, Tehua and Wassu use Teong Negeri as a daily greeting. It can be seen that Teong Negeri is a sacred symbol for the four states of pela gandong because in addition to being a symbol of identity that is able to integrate each …

Deconvolution Of Mono-Energetic And Multi-Lines Gamma-Ray Spectra Obtained With Nai(Tl) Scintillation Detectors Using Direct Matrix Inversion Method, Mwingereza John Kumwenda Dr

Tanzania Journal of Engineering and Technology (TJET)

Performance of a NaI(Tl) scintillation detector based on the gamma-ray spectroscopy system is not satisfactory in retaining its original peak (which is delta like function) of various gamma ray spectrum. The method of achieving precise peak for the various gamma ray was conducted by converting the observed pulse-height distribution of the NaI(Tl) detector to a true photon spectrum. This method is obtained experimentally with the help of an inverse matrix deconvolution method. The method is based on response matrix generated by the Monte Carlo simulation based on Geant4 package of mono-energy gamma-ray photon ranging from 0.050 to 2.04 MeV in …

Safe, A New Therapeutic Intervention For Families Of Children With Autism: A Randomised Controlled Feasibility Trial, Rebecca Mckenzie, Rudi Dallos, Jacqui Stedmon, Helen Hancocks, Patricia Jane Vickery, Andy Barton, Tara Vassallo, Craig Myhill, Jade Chynoweth, Paul Ewings

Plymouth Institute of Education

Objectives To establish the feasibility of a definitive randomised controlled trial of Systemic Autism-related Family Enabling (SAFE), an intervention for families of children with autism. Design A randomised, controlled, multicentred feasibility study. Setting Participants were identified from three National Health Service (NHS) diagnosing centres in Plymouth and Cornwall and a community pathway.Participants34 families of a child with a diagnosis of autism severity level 1 or 2 between 3 and 16 years. Four families were lost to follow-up. Interventions SAFE is a manualised five-session family therapy-based intervention delivered over 16 weeks and designed for families of children with autism. SAFE involves …

Cold Storage Work And Cold Protective Gloves – A Review, Daena Charles

Theses

The rise of e-commerce and the increasing demand for online grocery shopping and delivery has prompted the growth of warehouse workers subjected to cold temperature working conditions. To ensure food safety and the preservation of inventory, majority of these e-grocery warehouses are cold storage with temperatures from 10°C to -23°C. Exposure to such cold working environments can have effects on the workers comfort, performance and health. As the demand for workers in cold temperature environments increases, it is important to understand how this environment affects the workers and the challenges it may present.

This review evaluates how working in cold …

Incident Duration Time Prediction Using A Supervised Topic Modeling Method, Jihyun Park

Theses

Precisely predicting the duration time of an incident is one of the most prominent components to implement proactive management strategies for traffic congestions caused by an incident. This thesis presents a novel method to predict incident duration time in a timely manner by using an emerging supervised topic modeling method. Based on Natural Language Processing (NLP) techniques, this thesis performs semantic text analyses with text-based incident dataset to train the model. The model is trained with actual 1,466 incident records collected by Korea Expressway Corporation from 2016-2019 by applying a Labeled Latent Dirichlet Allocation(L-LDA) approach. For the training, this thesis …

Accelerating Transitive Closure Of Large-Scale Sparse Graphs, Sanyamee Milindkumar Patel

Theses

Finding the transitive closure of a graph is a fundamental graph problem where another graph is obtained in which an edge exists between two nodes if and only if there is a path in our graph from one node to the other. The reachability matrix of a graph is its transitive closure. This thesis describes a novel approach that uses anti-sections to obtain the transitive closure of a graph. It also examines its advantages when implemented in parallel on a CPU using the Hornet graph data structure.

Graph representations of real-world systems are typically sparse in nature due to lesser …

Human Activity Recognition Using Wearable Sensors: A Deep Learning Approach, Jialun Xue

Theses

In the past decades, Human Activity Recognition (HAR) grabbed considerable research attentions from a wide range of pattern recognition and human–computer interaction researchers due to its prominent applications such as smart home health care. The wealth of information requires efficient classification and analysis methods. Deep learning represents a promising technique for large-scale data analytics. There are various ways of using different sensors for human activity recognition in a smartly controlled environment. Among them, physical human activity recognition through wearable sensors provides valuable information about an individual’s degree of functional ability and lifestyle. There is abundant research that works upon real …

Comparative Analysis Of Multiplicative And Additive Noise Based Automated Regularizations In Non-Linear Diffusion Image Reconstruction, Chiza Christophe

Tanzania Journal of Engineering and Technology (TJET)

Multiplicative and additive noises are often introduced in image signals during the image acquisition process and result into degradation of image features. The work done by Perona and Malik in 1990 and its modified versions revolutionized the way through which noises or speckles are removed. The Perona-Malik model requires tuning of the regularization parameter to control and prevent staircase artifacts in restored images. The current manual tuning is a challenging and time consuming practice when a long queue of images is registered for processing. Attempt to automate the regularization parameter appeared in Perona-Malik model with self-adjusting shape-defining constant. Although both …

Direct Predictive Speed Control Of Salient Pmsm Drives In Constant Torque And Constant Power Regimes For Electric Vehicles Applications, Francis Mwasilu

Tanzania Journal of Engineering and Technology (TJET)

A direct speed control of salient permanent magnet synchronous motor (PMSM) drives in constant torque and constant power regimes for electric vehicles applications is presented. The proposed speed control scheme is derived from model predictive control approach where both rotor speed and stator current are formulated in a single objective function that is periodically computed to attain the PMSM drive optimum switching states. The dynamic model of the PMSM intrinsically encompasses the unknown disturbance, which should be rejected for high-performance speed control especially in transient conditions. Consequently, the extended modified augmented state Kalman filter (ASKF) is incorporated in the proposed …

Assessment Of The Performance Of Grinding Circuit For Buzwagi Gold Mine, Alphonce Wikedzi

Tanzania Journal of Engineering and Technology (TJET)

It had been reported by the management of Buzwagi Gold Mine (BGM) that grinding circuit was designed to produce final product size of 125 μm, which had not been achieved for a long period of time under both, low to normal (i.e. 450-600 t/h) and high (i.e. > 650 t/h) throughputs. Also, the performance behaviour of the circuit had not been reviewed after long time of operation. Hence, an evaluation study was conducted in order to recommend improvement in mine operations. The study was realized through three circuit survey campaigns and laboratory experimentations. From the surveys, size distributions and solids contents …

Effects Of Calcination Temperature Of Naturally Occurring Absorbents On Drinking Water Defluoridation, Brenda Mndolwa

Tanzania Journal of Engineering and Technology (TJET)

Currently, in Tanzania, fluoride removal from drinking water is treated mostly using the bone char method. The method has poor acceptability in some religious communities and also causes water quality deterioration in taste and odour if the bones are not properly prepared. The use of local natural adsorbents as an alternative is feasible with limitations of high levels of other impurities in treated water. Locally available gypsum, magnesite and bauxite were converted to adsorbents through calcination. The study was conducted to determine the removal efficiency, best calcination temperature and composite ratio of the three adsorbents for the removal of fluoride …

Fermentability Of Concentrated Sulfuric Acid Hydrolyzates From Aspenwood And Pinewood, Kando Janga

Tanzania Journal of Engineering and Technology (TJET)

The fermentability of hydrolyzates derived from two-stage concentrated sulfuric acid hydrolysis of Trembling aspen (Populus tremula) and Scots pine (Pinus sylvestris) were investigated. Three types of hydrolyzates were produced at mild, moderate and high decrystallization severity conditions. Portions of each of the original hydrolyzates were concentrated by vacuum evaporation to increase the sugar fraction to simulate industrial applications. Both sets of hydrolyzates were fermented anaerobically using Saccharomyces cerevisiae ATCC 96581. After 23 hours of fermentation, complete glucose consumption was observed for all the original hydrolyzates, with no signs of inhibition. The ethanol yields from these hydrolyzates ranged from 68% to …

Analysis Of Performance Characteristics Predicted From Several Experimental Data And Conversion Methods For Pumps As Turbine Application Using Statistical Techniques, Ombeni J. Mdee

Tanzania Journal of Engineering and Technology (TJET)

Different performance characteristics have been indicated when running centrifugal pumps in the reverse direction. The water flows from the discharge side of the pump to the suction side to run in the reverse direction and generate the mechanical rotational energy for the micro-hydropower plant. The current study evaluates the extent of variation of performance characteristics predicted by several experimental data from different pump-specific speeds and conversion methods. The performance characteristics discussed include the head, flow rate, efficiency and specific speed. The flow rate and head of a pump operating in pump mode divided with the characteristic of the pump operating …

Potential For Increased Rural Electrification Rate In Sub-Saharan Africa Using Swer Power Distribution Networks, Aviti Thadei Mushi

Tanzania Journal of Engineering and Technology (TJET)

Rural electrification rate (RER) in Africa is still low to date. Several countries in Sub-Saharan Africa have tried to address this problem using conventional single phase two-wire or three-phase three-wire systems, however at large costs due to the nature of dispersed rural load centres, low load demand, and low population density. Another solution of off-grid generation creates associated health problems. Therefore, this paper undertakes a review of a single wire earth return (SWER) network as a RER improvement solution. The paper undertakes intensive literature review to elucidate challenges and solutions to the implementation of SWER technology. Advantages of SWER technology …

Wind Power Integration And Its Impact On Power Quality-A Didactic Approach, Santos Kihwele Dr

Tanzania Journal of Engineering and Technology (TJET)

This paper presents a model of a wind power system integrated with realistic power system, with intention of using it in addressing power quality issues in relations to grid codes during steady-state operation transient-state operation i.e., presence of grid fault events. For that case, a didactic approach of the normal performance of power systems due to the connection of fixed-speed wind turbine with induction generators is used. A study of integrating wind farms will be presented, including the incidence of high inrush current due to switching capacitor banks, out-rush current and voltage sags due to nearby three phase faults. As …

Surgical Approach For Kidney Transplantation Under Spinal Anesthesia, Atta Nawabi, Peter Sullivan, Martin De Ruyter, Amy Pichoff, Clay D. King, Perwaiz Nawabi

Student Publications

Kidney transplantation is the treatment of choice for patients with end-stage renal disease (ESRD). It has been shown to improve quality of life as well as extending life of patients with ESRD as compared to renal replacement therapy (5-year survival rate of 68% after transplant vs 36% dialysis) (Hart A, Smith JM, Skeans MA. OPTN/SRTR 2015 annual data report: kidney. Am J Transplant 2017;17:21-116). Traditionally, patients undergo general endotracheal tube anesthesia for this surgery. During the COVID-19 pandemic, general anesthesia drugs and airway equipment were in short supply. Additionally, airway manipulation was avoided when possible due to concern for virus …

River & Estuary Observation Network: Refinement Of Stage Height Sensor Subsystem For Low Cost And High Reliability, W. D. Kirkey, C. B. Fuller, P. O'Brien, P. J. Kirkey, Ahmed Mahmoud, Andrew Ernest, Javier Guerrero

Civil Engineering Faculty Publications

A system comprised of software and on-site measurements is presented for accurately obtaining water stage data from vented or non-vented submersible pressure sensors installed at autonomous stream gauging stations. The system accounts for pressure sensor offset errors, water density, and local gravitational acceleration to produce a stage height reading which is accurate to either ±0.01 ft (±3 mm) or to the accuracy limit of the sensor, whichever is greater. A 2nd order polynomial expression for determination of water density from temperature and salinity is developed and found to be sufficiently accurate for this purpose. Simulated stage measurements performed in the …

Commodity Price And Inflation Dynamics: Evidence From Brics, Syed Aun R. Rizvi, Sahminan Sahminan

Bulletin of Monetary Economics and Banking

In this study, we use a commodity augmented Phillips curve to investigate the impact of global commodity prices on domestic inflation in Brazil, Russia, India, Indonesia, China, and South Africa. Oil and energy prices cause inflationary pressures in all countries, except Russia, where they cause deflationary pressures. In Indiaand Indonesia, global food prices are highly significant and positively related to inflation, while in South Africa precious metal prices impact inflation negatively. For policymakers, this study provides insights on the domestic adjustments required for inflation targeting in response to global commodity price volatility.

Blockchain Futures In Cryptocurrencies, Trade And Finance: A Preliminary Assessment, Ahmet Faruk Aysan, Behar Sadriu, Humeyra Topuz

Bulletin of Monetary Economics and Banking

The study explores whether blockchain technology can change the paradigm of the current financial structure and the balance of power in the international financial system. Accordingly, this study reviews the development of blockchain technology by analyzing China and Venezuela, both of which struggle to harness their technological advancement and to enhance their power in the international realm. We found that Venezuela invests in blockchain technology to create an alternative payment structure for survivability, while China’s desire is to become a global leader in global blockchain technology.

Pengembangan Bahan Ajar Tematik Digital Untuk Siswa Kelas V Sekolah Dasar, Dina Yuli Agustin, Punaji Setyosari, Suharti Suharti

Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan

The development of digital thematic teaching materials aims to produce a product that is feasible, practical to use, effective for improving the quality of learning, and interesting for students to learn. The results of the development showed a positive impact from the use of the product with an increase in learning activities of 92.14% with the criteria of "very good". Positive results were also shown from the effectiveness of student learning, the pretest value of 60.54 increased significantly in the posttest value of 84.79. In the feasibility analysis obtained a percentage of 86.04% with the criteria "very feasible", practicality 91.07% …

Kesulitan Siswa Dalam Menyelesaikan Masalah Matematika Berdasarkan Langkah Polya, Amanda Putri Enlisia, Swasono Rahardjo, Sisworo Sisworo

Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan

The purpose of this study is to describe students' difficulties in mathematicals problem solving based on Polya's. The subjects in this study were 2 students of class VII. This type of research is descriptive qualitative. Data collection techniques through problem solving tests and interviews. The results of this study are (1) steps to understanding the problem that students have difficulty in understanding the sentences or terms contained in the problem, and students also have difficulty in finding keywords in the problem; (2) steps to devising the plan that students cannot make a mathematical model; (3) steps to carry out planning …

Foreword From Handling Editor - 5th Edition, Ahyahudin Sodri

Journal of Environmental Science and Sustainable Development

We are delighted to present the 5th edition of JESSD, published in December 2020. We have selected ten of the best articles for this edition from Environmental Science and Sustainable Development topic.

Agricultural Pesticide Use In The Upper Citarum River Basin: Basic Data For Model-Based Risk Management, Rosetyati R. Utami, Gertjan W. Geerling, Indah R. S. Salami, Suprihanto Notodarmojo, Ad M.J. Ragas

Journal of Environmental Science and Sustainable Development

Since the middle of the 20th century, pesticide use has been a primary foundation of global agricultural development. However, the massive usage of pesticides can have detrimental impacts on human health and the environment, particularly in the aquatic ecosystem. This study determined the use of pesticides in the agricultural area of the Upper Citarum River Basin (UCRB); a crucial water resource on Java Island. A survey of 174 farmers was conducted in eight districts along the basin by using the random walk and quota sampling method. The questionnaire was designed to acquire data about the amount and types of pesticides …