Miracle-dz/UniFAR-FTUs huggingface dataset:
Professional development and job satisfaction on teaching performance

This study aimed to determine teacher professional development, job satisfaction and teaching performance and to determine the influence of teacher professional development and teacher satisfaction on teaching performance. The research method used was a quantitative method with descriptive correlational techniques. Data collection techniques conducted in this study was a questionnaire. Respondents in this study were 60 junior high school teachers in Gowa Regency. The data analysis technique used product moment and regression analysis which was analyzed using the SPSS program. The results showed that teacher professional development and job satisfaction had a positive and significant influence on teacher performance. The implication of this research was to improve teacher performance through teacher professional development by providing training and increasing job satisfaction through leadership.
Role of dynamic simulation in fighter engine design and development

A modern fighter engine has stringent requirements for performance, operability, and durability. To meet these conflicting requirements and to ensure a balanced design, dynamic simulation is exercised during flow-path design, control-mode design, and development testing. This assures problem prevention and reduces development costs. This analytical process is described with the aid of "real world" examples. Representative engine models, which accurately account for off-design and dynamic effects, are used early in the design phase for judicious configuration selection and control-mode design. Favorable component matching is ensured before hardware fabrication, and thus costly mistakes are prevented. The special flow-path design considerations in fastresponse twin-spool afterburning turbofan engines are discussed. In addition to flow-path design, simulation tradeoff studies are used to optimize the control system to satisfy systems requirements. Novel control modes can be analytically evaluated across the operating spectrum and made practicable with appropriate activation criteria that are readily implemented in digital-control logic. Simulation applications during development/flight testing include calculation of hard-to-measure engine parameters using test data driven dynamic engine models, thus facilitating design verification. The described process has been successfully used and is illustrated here with its application to the F100-PW-229 (PW229).
PHYSICAL PERFORMANCE IN PROFESSIONAL SOCCER MATCH-PLAY: FACTORS AFFECTING, CHARACTERISTICS AND CONSEQUENCES FOR TRAINING AND PREPARATION

This thesis presents, discusses and critically evaluates the content and contribution of a selection of research papers published in international peer-reviewed sports science journals. Collectively, these works make a novel contribution to the field of motion analysis of physical performance in official professional soccer competition. Rather than being the result of an initial grand working plan, the programme of research represents the evolution and expression of the author's work over a period of 4 years in a professional soccer club. The research was partly shaped by the author's concomitant experience of the industry and academia but mainly driven by emerging and evolving needs-analyses identified within his work. A total of 1 review (presented in the thesis as an introduction to the field of study) and 9 original peer-reviewed articles are included. This thesis introduces and critically comments on papers within two main streams of work investigating competitive physical performance in the author’s own professional soccer team: a) general characteristics and position-specific demands of play, and; b) factors potentially affecting performance. The original research papers are presented in a conceptual sequence within the two themes, rather than a strictly chronological order so as to demonstrate the coherence and synergy within the two collections. The thesis provides critical reflection on the overall contribution to the current body of scientific knowledge and the collective impact of the papers that has been achieved. Limitations in study designs encountered over the course of the work are discussed as are current and future themes for research.
Recent Progress on the Production of Aluminum Oxide (Al2O3) Nanoparticles: A Review

This study aims at discussing several methods to produce aluminum oxide (Al2O3) synthesis methods along with the advantages and disadvantages of each method used. In general, several methods are available: (1) precipitation, (2) combustion, (3) sol-gel, (4) wet chemical, (5) synthesis in supercritical water conditions, (6) microwave, (7) mechanochemical, and (8) hydrolysis, and the most efficient method for synthesizing Al2O3 is precipitation because it is facile and the simplest method (compared to other methods), can be proceeded using inexpensive raw materials, produces less pollution, and has several advantages: high purity product, high thermal stability, nearly homogeneous nanoparticle in size, and control desired particle size. The results of the study help to provide comparisons in producing various Al2O3 synthesis methods.
Biological significance of MYC and CEBPD coamplification in urothelial carcinoma: Multilayered genomic, transcriptional and posttranscriptional positive feedback loops enhance oncogenic glycolysis

Abstract Background and purpose The aim of this study is to decipher the underlying mechanisms of CCAAT/enhancer‐binding protein delta (CEBPD)‐enhanced glycolysis as well as the biological significance of CEBPD and MYC coamplification in urothelial carcinoma (UC). Methods In vitro analyses were conducted to examine the effects of altered CEBPD or MYC expression on UC cells. The in vivo effects of CEBPD overexpression in a high‐glucose environment on tumour growth were investigated in xenografted induced diabetic severe combined immunodeficiency/beige mice. Data mining was used to cross‐validate the associations between CEBPD and MYC copy number and transcriptional expression, quantitative reverse transcription‐polymerase chain reaction, immunohistochemistry, chromogenic in situ hybridization, and in situ hybridization targeting microRNA were performed on 635 UC patient samples and xenograft samples. UC patient survival in relation to diabetes was validated by using the National Health Insurance Research Database. Results CEBPD and MYC coamplification (29.6%) occurred at a high frequency, MYC expression promoted chromosomal instability, facilitating CEBPD copy number gain and expression. CEBPD promoted glucose uptake and lactate production by upregulating SLC2A1 and HK2, leading to mitochondrial fission, increased extracellular acidification rate and decreased oxygen consumption rate to fuel cell growth. CEBPD upregulated HK2 expression through multiple regulation pathways including MYC stabilization, suppression of FBXW7 transactivation and MYC‐independent transcriptional suppression of hsa‐miR‐429. Clinical and xenografted experiments confirmed the growth advantage of CEBPD in relation to glucose metabolic dysregulation and the significant correlations between the expression of these genes. Conclusions We confirmed that CEBPD has an oncogenic role in UC by activating AKT signalling and initiating metabolic reprogramming from mitochondrial oxidative phosphorylation to glycolysis to satisfy glucose addiction. These novel CEBPD‐ and MYC‐centric multilayered positive feedback loops enhance cancer growth that could complement theranostic approaches.
Spectrum Trade Model Based on Voronoi Diagram

In wireless cognitive networks the secondary users (SU, the unlicensed user) can share the spectrum via opportunistic access and spectrum trade. The former can’t offer the reliable and steady communication, while the latter can. It is a hot topic how the primary users (PU, the licensed user) provide the resources to SUs. We propose a novel spectrum trade model based on the Voronoi diagram: V-STM, which can promise fairness and rationality of spectrum lease. We also analyze the effect of communication range and price on spectrum trade. Simulation results demonstrate the performance of the proposed model in terms of the fairness of users and the whole profit of the network.
Social health, social reserve and dementia

Purpose of review There is increasing recognition of social health being protective against disease, including age-related cognitive decline and dementia. Many concepts around social health, reserve and connectedness are imprecise and without agreed definitions. The mechanisms by which social health is protective are not well understood. Recent findings Several observational studies suggest that social participation and connectedness are protective against cognitive decline whereas loneliness is a risk factor for dementia. The possible mechanisms include effects on inflammatory process and immune function, reduced vascular disease risk, improved health behaviours, lower risk of depression, and increased cognitive reserve through cognitive stimulation and physical activity. Social networks have been shown to modify the relationship between Alzheimer's disease and cognitive impairment. The relationship of social networks is, however, reciprocal, with dementia leading to social loss, which in turn worsens cognitive decline. Social reserve is conceptualized as both brain processes underlying the ability and predisposition to form meaningful social ties, and their instantiation as an environmental resource in high-quality social networks. Summary Consistent definitions of social health-related terms will lead to better understanding of their determinants so that tailored interventions can be developed to increase social reserve and improve social health of an individual.
Determinantes Socioeconômicos e Territoriais da Decisão entre Estudo e Trabalho dos Jovens no Estado de Minas Gerais

Este artigo analisa, através da metodologia logit multinomial, a influência, no ano de 2010, das características socioeconômicas e territoriais na decisão dos jovens com idades entre 15 e 25 anos entre estudo e trabalho. Os resultados das estimações evidenciaram que a transição dos jovens para a vida adulta, caracterizada pela busca de autonomia diante dos seus familiares, por meio do ganho de capital humano e do acesso ao mercado de trabalho, é marcada pela desigualdade de oportunidades.
A new concept for ultra-low power and ultra-high clock rate circuits

Compared with semiconductors, SFQ logic is very fast and dissipates extremely low power. But it does not approach the theoretical power dissipation associated with an SFQ switching event and single gate speed in complex circuits. For large circuits and systems, e.g., petaflops computing, we must reduce on-chip dissipation, achieve faster clocked logic operation, and increase gate density. CMOS logic dissipates the energy required to switch a transistor pair and dissipates no power between switching events. We describe a new SFQ circuit concept that mimics CMOS to achieve ultra-low power dissipation and ultra-high clock rates. This results in physically compact, self-clocked, complementary logic (SCCL), in which clock distribution is frequency-independent. The basic element in this logic family is a simple two-junction comparator. Using TRW's 2 kA/cm/sup 2/ Nb design rules, we simulated basic digital components: shift register, AND, OR, and NOT at 20 GHz. We present the simulated and measured performance.
ICT Tools Usage among Faculty of Education in Teaching Learning Processes

Information and communication technologies (ICT) is defined, as a “diverse set of technological tools and resources used to communicate, and to create, disseminate, store, and manage information”. The present study aims to study the usage of different ICT tools used by the faculty of Education in effective curriculum transaction. A rank analysis is done based on their responses to a data sheet. The emphasis of orientation and awareness programs for the faculty is signified in the study. To reach the goal of preparing teachers for effective technology use, a well-designed professional development program is essential. ICT can not only improve learning; but can also break down teacher and student stereotypes and boost self-esteem and would revolutionize the higher education system.
An Analytical Study of Smartphone Addiction among Engineering Students: A Gender Differences

With advent of new Smartphone technologies and the widespread utilization of touch screen mobile phones made humans embrace technology more and depend on it extensively and compulsively in their lives. Due to the new communication technologies and Smart phones the world is becoming a trajectory place where man is not relying on man for its needs but depending more on Smartphone apps which is replacing multivariate structure of human behavior where Smartphone Apps are transforming its functional role as a Guru, Mentor, Family physician, shopping consultant and so on. The present study is exploring the impact of Smartphone User Applications (Apps) on the behavior of the engineering students. This study examined Smartphone user behaviors and their relation to Smartphone addiction. A General Behavioral survey guided by a well structured self design questionnaire has been administered across a sample of hundred students. The questionnaire is comprised of Thirty items measuring amount, duration and pattern of usage of various Smartphone apps specifically health apps, entertainment apps, shopping apps, communication apps, and education apps. Overall test score measuring overall addiction to the Smartphone. A Sample is assigned using random sampling and purposive sampling method. Two groups are divided in fifty male and fifty female across the age ranges from 18- 22 years from various Engineering Colleges to measure gender differences. The test findings showing significant level of difference among the Smartphone addiction across the gender in accordance with usage of various Smartphone apps. The overall trend shows male students are more prone to Smartphone addiction than female.
Prediction of disc brake contact pressure distributions by finite element analysis

In recent years, prediction of contact pressure distributions is regarded as an important step in studying disc brake squeal noise. Contact analysis forms part of the whole procedure in the complex eigenvalue method. The essence of such a method lies in the asymmetric stiffness matrix derived from the contact stiffness and the friction coefficient at the disc/pads interfaces. This paper presents the analysis of the contact pressure distributions at the disc/pad interfaces using a detailed 3-dimensional finite element model of a real car disc brake. A general-purpose commercial software package was utilised and assessed. The paper also investigates different levels in modeling a disc brake and simulating contact pressure distributions. Having obtained the suitable model, prediction of interface pressure distributions on an original disc brake was carried out. Finally, modifications on the geometry and/or materials of disc brake components were performed to search for a more uniform contact pressure distribution. It is believed that a uniform contact pressure distribution could prevent excessive tapered wear on the pads and subsequently could prolong the life of pads.
Problem Solving In Mathematics-Role of Worked Examples in Reducing Cognitive Load and Improving Scholastic Performance

Mathematics is a compulsory subject at school level across the globe. It is also considered as a difficult subject. Reducing the cognitive load and improving the scholastic performance are the main concerns in the teaching learning process of mathematics. The present study is an attempt in this direction by using cognitive load theory. The study is intended to analyze the role of worked examples in learning mathematics and to design and conduct an intervention to reduce the cognitive load and improve the performance of students in mathematics. Sample comprised of 76 students of 6th grade. The sample was divided in to two groups of control and treatment conditions. There were two phases in the intervention namely learning phase and test phase. At Learning phase students were taught according to either a traditional procedure or according to worked examples effect of cognitive load theory. At test phase all students (control condition and treatment condition) were presented a common test (Scholastic Achievement Test). During the learning phase student’s performance in the form of errors committed and cognitive load experienced were recorded. During the test phase student’s performance and cognitive load experienced were recorded. The study revealed that students who studied worked examples committed fewer errors and experienced low cognitive load. Students who studied worked examples performed better and experienced less cognitive load than students who solved the same number of problems. It is recommended to give more emphasis on worked examples to improve the performance of children in mathematics and to reduce the cognitive load experienced by students in mathematics.
Impact of Toxoplasma gondii infection on human health

Toxoplasmosis is one of the most prevalent infectious disease around the globe and it is caused by the parasite named Toxoplasma gondii. Infections normally lead to asymptomatic parasite persistence in immunocompetent warm-blooded hosts, including up to 30-50% of humans. However, T. gondii infection has also a major medical concern and can lead to life-threatening diseases, after reactivation in immunocompromized individuals, particularly in patients with human immunodeficiency virus/cancer or organ transplant recipients, after vertical transmission to fetuses of pregnant women and by inducing recurrent uveitis in immunocompetent adults. More importantly, T. gondii undergoes stage conversion from its fast-replicating tachyzoite to slow replicating dormant bradyzoite preferentially in the brain and skeletal muscles, and lesser extent in the eye, liver, kidney and lung which enable the parasite to persist for the whole life of an individual. Due to the persistence behavior of the parasite in different parts of human body, T. gondii can develop multiple human diseases with severe clinical symptoms. In this study, we have summarized the association of T. gondii in multiple human diseases for instance Encephalitis, Parkinson’s disease, Schizophrenia, Heart disease, Ocular Toxoplasmosis, Congenital abnormalities, Cancer and Diabetes. This highlights the potential role of T. gondii in developing fatal diseases, particularly in immunocompromised individuals despite having asymptomatic nature of the parasite. Bioresearch Commu. 8(1): 1093-1099, 2022 (January)
Mobile learning platform programme and pre-service teachers' behaviour towards mobile instruction using technology acceptance model

Mobile learning has been described as the type of learning that happens across locations or that takes advantage of learning opportunities offered by portable technologies such as handheld technologies, together with wireless and mobile phone networks, to facilitate, support, enhance and extend the reach of teaching and learning. The use of these devices is gradually changing the face of instructional delivery in institutions of higher learning and the University of Ibadan is not an exception. In this study, 216 pre-service teachers of the University of Ibadan were exposed to the mobile learning platform using the Technology Acceptance Model (TAM). The model contained the following variables: perceived usefulness, perceived ease of use, attitude, peer-influence, behavioural intention to use, interest, technology self-efficacy and acceptance. The paper discussed pre and post behaviour of the undergraduate students to these variables. Findings and implications were discussed and recommendations were also made.
Role of Emotion Regulation in Quality of Life

The purpose of this study was to investigate the association between Emotion Regulation and quality of life. Five hundred and thirty-eight adults, 262 men and 276 women, selected through random sampling method participated in the study. Emotion Regulation Questionnaire (ERQ) and Quality of Life-BREF scale (WHOQOL-BREF) were used to gather data. Results of the study revealed a significant correlation between the variables; however, reappraisal showed a positive relationship with quality of life while suppression showed a negative relationship. There was no gender difference.
Thermo-economic optimisation of the polygeneration of synthetic natural gas (SNG), power and heat from lignocellulosic biomass by gasification and methanation

After a brief review of the current research on the production of synthetic natural gas (SNG) from lignocellulosic biomass by gasification and methanation, this paper presents detailed thermo-economic process optimisation of the polygeneration of SNG, power and heat. Based on a previously developed model, all suitable candidate configurations of a superstructure of promising technologies for the individual conversion steps are optimised with respect to the overall efficiency and investement cost with an evolutionary, multi-objective algorithm. In an extensive analysis, the influence of process technology, operating conditions and process integration on the thermo-economic performance is discussed and the best technology matches are determined. Systematically optimised flowsheets might thereby convert 66 to 75% of the dry wood's lower heating value to SNG while cogenerating a considerable amount of power and/or industrial heat. In order to provide a general database of optimal plant configurations, cost exponents that quantify the economies of scale are regressed, and the most profitable flowsheets are identified for different energy price scenarios and scale. A comparison with current literature on SNG production from biomass reveals the potential of applying such systematic process systems engineering approaches for the design of energy- and cost-efficient biofuel plants.
Circuit convergence study using machine learning compact models

Machine learning (ML) compact device models (CM) have emerged as an alternative to physics-based CMs. ML CMs can find a mathematical model close to the device characteristics without much prior knowledge, which saves the time of model formation. Additionally, versatile capabilities such as process-awareness, model merging, and fitting new technologies, promote the usage of ML CMs. While ML CMs draw great attention in CAD, their convergence in SPICE has not been carefully studied. Here different activation functions are used to create ML CMs, and then the circuit convergence is tested. We found that inverse square root unit (ISRU) activation has the best convergence. Besides, gate-to-source and gate-to-drain capacitance is founded to benefit the convergence in transient analysis. The circuit convergence rate is 100% for ISRU, sigmoid, and tanh when the capacitor is present. On the other hand, ISRU significantly outperforms other activation functions in DC sweep, achieving 81% convergence. If quasi-static transient analysis is employed to replace DC sweep, 100% convergence is achieved by ISRU. Due to its superior convergence, ISRU is the most promising for future ML CMs in SPICE.