Miracle-dz/UniFAR-FTUs huggingface dataset:
Investigation of the exploratory power of the innovation diffusion model in the implementation of a university e-learning strategy.

This research explores the process of change management associated with innovation in a complex organisation through an investigation into the impact of introducing e-learning in a university. Using the conceptual framework of innovation diffusion, the research examines the complex nature of change through the perspectives of individual members of the organisation who are affected by it as it unfolds. These ‘actors’ are situated at different levels in the organisational hierarchy and include senior university executives, academic managers and academics, thereby providing both an organisational and an individual viewpoint on the change processes associated with the adoption and diffusion of e-learning. Using a qualitative methodology based on the constructionist tradition, the research is portrayed through a single-site case study. The site is a medium sized university located in southern England. Individual and group interviews with university staff are the primary means of collecting data and the research strategy is heavily influenced by the acknowledged insider status of the researcher. The research makes a contribution to understanding change management in universities and the ways in which individuals working in these devolved organisations both respond to change and contribute to the shaping of policy and practice associated with it. At an organisational level, the research emphasises the influence on the process of diffusion arising from senior management attitudes towards the innovation and their willingness or ability to act as its champions. It also recognises the potential for middle managers (academic managers) to slow down the rate of adoption and diffusion within the organisation, thereby subverting the progress of strategic change associated with the innovation. For individual academics, the research found that the realities of adopting elearning threatened their sense of academic identity and re-positioned their ‘high touch’ relationships with students, which adds a new dimension to previously identified barriers to the adoption of e-learning such as lack of resources, need for support and absence of reward. The research findings also demonstrate how, through the analysis of emic as well etic themes arising from the qualitative data, the potential for individual-blame or pro-innovation biases often identified in diffusion research may be ameliorated. Finally, this combination of organisational and individual perspectives revealed through the use of innovation diffusion as a framework, together with the reflexive analysis of an insider researcher, provides new insight into the process of promoting change that is stripped of managerial gloss and represents the ‘lived’ messiness that is organisational change in universities.
Automatic detection system of shaft part surface defect based on machine vision

Surface physical damage detection is an important part of the shaft parts quality inspection and the traditional detecting methods are mostly human eye identification which has many disadvantages such as low efficiency, bad reliability. In order to improve the automation level of the quality detection of shaft parts and establish its relevant industry quality standard, a machine vision inspection system connected with MCU was designed to realize the surface detection of shaft parts. The system adopt the monochrome line-scan digital camera and use the dark-field and forward illumination technology to acquire images with high contrast; the images were segmented to Bi-value images through maximum between-cluster variance method after image filtering and image enhancing algorithms; then the mainly contours were extracted based on the evaluation criterion of the aspect ratio and the area; then calculate the coordinates of the centre of gravity of defects area, namely locating point coordinates; At last, location of the defects area were marked by the coding pen communicated with MCU. Experiment show that no defect was omitted and false alarm error rate was lower than 5%, which showed that the designed system met the demand of shaft part on-line real-time detection.
Multi-dimensional conflict and the resilient urban informal economy in Karachi, Pakistan

This paper explores the resilience of the urban informal economy through multi-dimensional conflict. Karachi constituted an ideal case study for the research given the intensity and paradigmatic nature of the multi-dimensional conflict experienced in the city between 2008 and 2013. The paper applies a comparative frame in three sites (Sadar, Orangi and Lyari) to illustrate resilience of the informal economy and its role in supporting the urban poor in Karachi to survive and sometimes thrive, whilst also contributing to peaceful recovery and adaptation, albeit persistent divisions mean violence remains possible. The paper argues for greater recognition of and support for informal economies in urban policy, marking a shift away from the predominant neoliberal forms of governance that diminish the role of the state and burden already vulnerable people with the greatest risks, particularly in fragile, conflict-affected situations where half the world’s poor are predicted to live by 2030.
Engineering Mathematics Learning in a Singapore Polytechnic: a Grounded Theory Approach.

This study generates a substantive theory of how engineering students approach engineering mathematics learning in a polytechnic in Singapore. This thesis adopts a symbolic interactionist perspective and engages grounded theory methodology in its investigation. The main source of data comes from a series of in-depth face to face interviews with a group of 21 engineering students in the case Polytechnic. This is supplemented by data gathered from the students’ reflection journals and informal interviews with their teachers. The first major outcome of this study is the generation of the theory of Selective Intentionality in engineering mathematics learning that describes how engineering students approach mathematics learning through a series of socio-psychological processes. The core category in this study is the category of intending that is surrounded by the other four categories of gathering, analysing, actualising and regulating. Another major outcome that arises from this study is the development of a typology of students with regards to how they experience and manage mathematics learning in their engineering courses in the case Polytechnic. The typology is based on the predominant distinctions among the participants according to their responses in the analysing, intending, actualising and regulating processes in the theory of Selective Intentionality. Accordingly, the students may be broadly classified into five types of learners: idealistic learners, competitive learners, pragmatic learners, fatalistic learners and dissonant learners. In short, this study provides a fresh perspective on how engineering students approach mathematics learning that is very important in their courses. At the same time, it has implications for the development of theory, practice and future research. ENGINEERING MATHEMATICS LEARNING IN A SINGAPORE POLYTECHNIC: A GROUNDED THEORY APPROACH
An Impact Analysis of Farmer Field Schools on Hog Productivity: Evidence from China

In recent decades, pigs and pork have been the central elements of Chinese agricultural systems, food security, and diet. China’s rapid income growth has induced a significant change in food consumption patterns, and hog production has received utmost attention from both, the Chinese government and the public. While the impact of Farmer Field Schools (FFS) on crop cultivation has been widely studied, few studies have examined the impact of FFS on hog production. This study uses data collected from 222 hog farmers in Beijing to examine the impact of FFS on the productivity of hog production, focusing on its three main indicators: feed conversion ratio and the mortality of sows and piglets. We found that farms that participated in FFS programs significantly improved the feed conversion ratio of hog production, particularly in small scale hog farms. On average, FFS reduced the feed conversion ratio for herd sizes of 1000, 500, and 200 by 6.8%, 10.7%, and 14.0%, respectively. We did not find evidence that farms that participated in FFS programs had a significant impact on minimizing the mortality of sows and piglets. This study suggests that the knowledge training model of the FFS program could also work in fields other than crop cultivation. Furthermore, we suggest that more attention could be paid to extension services diffusing knowledge of vaccination and disinfection in hog FFS programs.
Faculty Development by Design: Integrating Technology in Higher Education

Acknowledgments. Editor's Preface. Communities of Designers: A Brief History and Introduction, Punya Mishra, Matthew J. Koehler, and Yong Zhao. Infusing Technology in Teacher Education: How Does Learning Guide Design? Cheryl L. Rosaen and Sharon Hobson. Odyssey in Technology: A Quest to Design Interactive Contexts for Exploring Children's Responses to Literature, Laura Apol and Sheryl Rop. Sexy Beast: The Integration of Video Technology in an English Methods Course, Leslie David Burns and Stephen Koziol. The Technology and Literacy Project: Crossing Boundaries to Conceptualize the New Literacies, Dorothea Anagnostopoulos, Jory Brass, and Dipendra Subedi. Maps and More: Engaging Maps and Social Science Data as Narratives About the World, Avner Segall and Bettie Landauer-Menchik. Collaborative Development of Technology-Based Social Studies Materials, Timothy H. Little. Design as Professional Development: The Inner and Outer Journeys of Learning to Develop Online Learning, John M. Dirkx. A Faculty Member's Journey in Using Technology to Enhance Learning, Ann E. Austin. Integrating Technology Through Community-Based Design, Martin Oliver. Communities of Designers: Transforming a Situation Into a Unified Whole, Bertram "Chip" Bruce. About the Authors.
Oxygenic photosynthesis: Critiquing the standing explanations and proposing explorative solutions based in murburn concept

The available explanations for oxygenic photosynthesis for the light reaction of photolysis and photophosphorylation (Pl-Pp) are critically analyzed. Based on the structure cum distribution of protagonist molecules and the new mechanistic explanations in redox biochemistry, the interactive dynamics of key reactants are re-assessed for viability. The Z-scheme for electron transfer and Kok-Joliot cycle for water-lysis are found to be physiologically non-viable. Further, mechanistic explorations based on murburn concept are advocated for Pl-Pp.
Multiple anatomical brain networks for self-esteem related analysis among young adults

Background: Self-esteem is the individual evaluation of oneself. People with high self-esteem have mental health and can bravely cope with the threats from the environment. With the development of neuroimaging techniques, researches on the cognitive neural mechanisms of self-esteem are increased. Existing methods based on brain morphometry and single-layer brain network cannot characterize the subtle structural differences related to self-esteem. Method: To solve this issue, we proposed multiple anatomical brain network framework based on multi-resolution ROI template to study the cognitive neuroscience mechanism of self-esteem. Multiple anatomical brain network consist of high-resolution ROI features extracted from structural MRI and hierarchal brain network features. For each layer, we calculated the correlation relationship between pairs of ROIs. In order to solve the high-dimensional problem caused by the large amount of multiple network features, combined feature selection methods are adopted to reduce the number of features while retaining discriminative information to the maximum extent. Multi-kernel SVM is employed to combine the two types of features by appropriate weight coefficient. Result: Our experimental results show that the proposed method can improve classification accuracy to 97.26% compared with single-layer brain network. Conclusions: This article reveals the cognitive neural mechanism of self-esteem and provides foundation for positive and healthy self-esteem.
EVALUATION OF HORIZONTAL CURVE DESIGN

This report documents an initial evaluation of horizontal curve design criteria which involved two phases: an observational study and an analytical evaluation. Three classes of vehicles (automobiles, school buses and tractor semi-trailers) and three selected curves (8, 31 and 38) were utilized in the study in order to determine vehicle path and speed. The analytical evaluation using the HVOSM was conducted to relate the vehicle dynamics during curve traversal to horizontal curve design criteria. Horizontal curve parameters were curve radius, vehicle class, speed, curve transition type and superelevation rate. The report suggests that the use of spiral transition curves in horizontal alignment would improve traffic operations and recommends further research to confirm the change in steady-state steer characteristics on superelevated curves. (FHWA)
Molecular Characterization of Some Virulence Genes and Antibiotic Susceptibility Pattern among Uropathogenic Escherichia coli Isolated from Patient in Zakho City/Iraq

Uropathogenic Escherichia coli (UPEC) is one of the most causative agents which causing urinary tract infections (UTIs) in humans. This study involved the prevalence of the virulence genes among UPEC isolated from patients in various hospitals in Zakho city from July 2018 until January 2019 and their susceptibility to different commonly used antimicrobial agent against UPEC. The different culture media were used for the identification of Escherichia coli ( E. coli ). Out of 400 samples, 141 (35.25%) strains of UPEC were isolated from enrolled patients. The antibiotic susceptibility toward different antibiotics was varied among the isolates. Imipenem was the most potent antibiotic with a resistant rate of only 2.84%. While the isolates were resistant to most screened antibiotics, with the highest rate 96.45% to Amoxicillin/ clavulanic. The resistant rates decreased toward other antibiotics at rates varied from 93.62% for Amoxicillin to 43.97% for Norfloxacin. Fifty-seven isolates were selected for PCR analysis, according to the resistance of E.coli to various antibiotics. The selected samples were successfully amplified for E. coli identification by producing a single band of a target uidA gene. In this study, the virulence related genes were detected in only 35 (61.40%) isolates out of 57 isolates. The distribution of the virulence related genes that included; afa , sfa , hly , cnf and pai were 28.07%, 17.54%, 26.32%, 22.81% and 22.81%, respectively. The study highlight that multidrug resistance UPEC harbors multiple virulence genes circulating in this setting.
First Impressions Last. A Kansei Engineering Study on Laminate Flooring at Pergo.

The long-term goal of this project has been to help strengthen the customer focus at the product development department of Pergo. To achieve this a Kansei Engineering case study was performed, to provide information about the chosen customer group, the contract market. Kansei Engineering is a Japanese methodology for gathering and analysing information about the relation between the customer’s impression of a product and the actual physical properties of that same product. The results show clear differences between the flooring entrepreneurs and the architects in their average ratings. The factor analysis led to four factors that are important when this group of customers evaluates laminate flooring, namely Reliable and practical, Modern design, Classic style and Nice and solid. The regression analysis was done both on the 17 Kansei-words and on the factors. The type of decor and surface were found to have most influence on the customer’s impressions. Among the surfaces matt oiled turned out to be most popular and for most of the Kansei-words, the unexpected combination of wood- like decor and tile-format was rated the most positive.
Beyond the Bake Sale: The Essential Guide to Family/school Partnerships

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Theoretical solutions on interfacial stress transfer of externally bonded steel/composite laminates.

To effectively and efficiently utilize steel/FRP plates or sheets in strengthening civil infrastructures, a design strategy integrating the FRP properties and composite structural behavior needs to be adopted. The interfacial stress transfer behavior including debonding should be considered to be one of the most important effects on the composite structural behavior. In this paper, varieties of nonlinear interfacial constitutive laws, describing the pre- and post-cracking behaviour of FRP-concrete interface are introduced to solve the nonlinear interfacial stress transfer problems. Expressions for bonding capacity, interfacial shear stress distribution, initiation and propagation of interfacial crack are derived analytically.
Experimental and Finite Element Studies of Acetabular Cement Pressurisation and Socket Fixation in Total Hip Replacement

With time, the rate of symptomatic acetabular component loosening accelerates and overtakes that of the femoral component as the principal reason for the revision of total hip replacement. In the femur extensive study has shown that cement pressurisation and good preparation of the bone bed improves the survival rate, but acetabular fixation requires further investigation. Production of cement pressure in the acetabulum is anatomically difficult. Pressurisation with conventional and novel designs of cement pressurisers has been compared to manual techniques and component insertion. The pressurisers increased peak and mean pressures and pressure duration. Finite element modethng of cup insertion showed that flanges and higher insertion rates increased cement penetration into cancellous bone. Per-operatively, one design of pressuriser produced cement pressures comparable to those found in the laboratory. Structural finite element modelling of the natural hip indicated that the subehondral plate and the relatively dense cancellous bone supporting it distribute the joint contact force into the medial and lateral pelvic cortices. A perfectly bonded cemented polyethylene cup stiffened the acetabulum so that more load was transferred directly to the cortices at the acetabular rim, with consequent interface stress concentrations. However, complimentary experimental studies using a dynamic joint simulator and a servo-hydraulic materials testing machine suggested that perfect fixation between cement and bone at the rim was not possible, even under laboratory conditions. Debonding of the cement bone interface at the rim, where dense bone prevents cement interdigitation, allowed micromotion. Since the clinical mechanism of failure of the acetabular component appears to be progressive debonding, from rim to apex, of the cement-bone interface, these studies support the initiation of the failure mechanism by mechanical factors, which may then allow the ingress of wear debris. The experimental studies suggested that the use of pressurisers reduces the amount of micromotion and thus may improve the long term stability of the interface.
TESTING ONE, TWO, THREE

This article describes the Truck Design Optimization Project being conducted by Southern Pacific Transportation Company under sponsorship of the Federal Railroad Administration. The $8-million three-phase TDOP program which is to extend over 4 1/2 years is aimed at better performance from existing trucks and ultimately improved truck designs. Phase I has been an analysis of present general-purpose trucks. Phase II will emphasize special purpose trucks, possibly overlapping with Phase III which will look into unconventional carbody support systems.
FATIGUE BEHAVIOR OF STEEL LIGHT POLES

Standard light poles fabricated to California Department of Transportation standards were tested in fatigue. Comparative results were obtained from testing eight poles fabricated of ASTM A283 Grade D steel and six poles fabricated of ASTM A595 Grade A steel. The first six specimens of ASTM A283 had 45 deg fillet welds at the base of the arm and base of the pole while the ASTM A595 poles had unequal leg fillet welds. Since this difference in geometry affected the fatigue test results, two additional poles were fabricated and tested of ASTM A283 steel with unequal leg welds. The fatigue strength of the ASTM A283 poles with 45 deg fillet welds was below Category E' while the fatigue strength of ASTM A595 poles with unequal leg weld was equal to Category E'. The two ASTM A283 poles with unequal leg weld had a fatigue strength equal to Category E'. Fatigue cracks appeared at the toe of the weld at the base of the arm and at the base of the pole at approximately the same number of cycles. Cracks were very difficult to detect because of the galvanized coating. (FHWA)
Assessment of NASA's Aircraft Noise Prediction Capability

A goal of NASA s Fundamental Aeronautics Program is the improvement of aircraft noise prediction. This document provides an assessment, conducted from 2006 to 2009, on the current state of the art for aircraft noise prediction by carefully analyzing the results from prediction tools and from the experimental databases to determine errors and uncertainties and compare results to validate the predictions. The error analysis is included for both the predictions and the experimental data and helps identify where improvements are required. This study is restricted to prediction methods and databases developed or sponsored by NASA, although in many cases they represent the current state of the art for industry. The present document begins with an introduction giving a general background for and a discussion on the process of this assessment followed by eight chapters covering topics at both the system and the component levels. The topic areas, each with multiple contributors, are aircraft system noise, engine system noise, airframe noise, fan noise, liner physics, duct acoustics, jet noise, and propulsion airframe aeroacoustics.