Miracle-dz/UniFAR-FTUs huggingface dataset:
The impact of perceived organizational support on knowledge sharing: A meditation analysis through an SEM approach

Mobile cellular providers need to continuously upgrade their human resources capability to cope with market demand. In a high technology organization, knowledge is crucial to beating the competition. To accelerate knowledge dissemination, organizations can optimize their employees to share their experience and knowledge with others. This study examines the role of organizational support and affective commitment in enhancing knowledge-sharing willingness. We used a questionnaire to collect data from cellular companies in Jakarta, Indonesia, receiving 237 useable responses. The study reveals that if employees perceive that the organization provides adequate support, they become more willing to share their knowledge with others. Adequate support also increases emotional commitment, which in the end proves valuable to drive the willingness to share. Thus, affective commitment plays a mediating role in the relationship between perceived organizational support and knowledge sharing. These findings provide new insight into how to enhance the spirit of sharing between employees.
Calibration of a new wheelchair ergometer: the wheelchair aerobic fitness trainer

A wheelchair ergometer called the wheelchair aerobic fitness trainer (WAFT) has been developed. Commercially available magnetic eddy current breaking devices (Minoura MAGTURBO) were incorporated into the wheelchair ergometer as a cost-effective and reliable method of creating variable power output for graded exercise testing and aerobic conditioning. The standard MAGTURBO was modified in order to simulate the physical stress normally experienced during daily wheelchair propulsion. The WAFT with modified MAGTURBO offers independent manipulation of speed and resistance for each wheel. The authors describe the WAFT and a series of calibration experiments designed to identify the operation characteristics of the device and to establish regression equations for calculating power output as a function of wheel speed and MAGTURBO resistance setting. Based on these power output relations, graded wheelchair exercise test protocols were defined for the WAFT. Results from tests performed by persons with a variety of lower limb disabilities and a wide range of cardiorespiratory fitness are reported. >
Serial Kinematics based Motion Simulator - Evaluation of safety of the Passenger

Serial kinematics based motion simulation is a recent development and was ushered in by the introduction of the KUKA Robocoaster in 2001. The Robocoaster employs a 6-DoF industrial robot (KUKA KR-500) equipped with 2 seats at its tool centre point (TCP). Since 2001, the Robocoaster (and derived systems) has been a subject of active research and has been successfully transferred to the amusement industry. DLR has developed various iterations of the Robocoaster: In 2004-05, we presented the ‘KUKA Mars Mission’; this was the first time visual cues were incorporated with the Robocoaster system. Next, we developed the ‘RoboSim 4-D’ simulator that addressed the shortcomings of the earlier efforts, was lower in cost and had improved safety features. This version is in-use (as an offline simulator) at several amusement parks. The latest version, called the ‘DLR Robot Motion Simulator’ (DLRRMS) includes an additional linear axis at the base of the robot; which makes the setup a 7 DoF simulator. This version is used for both, online and offline simulations. Adaptation of an industrial robot into a motion simulator introduces a new set of challenges with regards to human and robot safety (i.e. prevention of damage to the setup as a secondary safety aim) and hence an appropriate safety infrastructure was deployed. To validate the potency of this system, it was subjected to several tests which involved effectuating high accelerations at the TCP by inducing sudden braking. The resulting accelerations were initially measured using an inertial measurement unit (IMU) and later, using an Anthropomorphic test device (ATD) commonly known as ’crash test dummy’. In this paper, we present the finding of safety analysis tests undertaken with an ATD placed in the simulator cell. We focus our attention to critical motions (e.g. flexion, inflexion etc.) of the head-neck region and also illustrate the software features such as the ‘watchdog application’ which offers extra functionalities that complement the existing safety features.
Inverter driven induction motor bearing current solutions

Bearing currents in induction motors can result in premature bearing failure. In this paper, the sources of sine wave and inverter driven motor bearing currents and the potential current paths are identified. These current paths are shown to flow through what are commonly considered to be electrical insulators. Currents also are shown to flow through driven equipment. Potential current paths are identified and methods to break these current paths through motor (and installation) modifications are presented. Methods to shunt these currents away from the motor or driven equipment bearings through improved high frequency grounding are also discussed. Identification of current paths through field measurements is discussed along with example waveforms. Finally, bearing current remediation methods are discussed for each identified current path and source.
8p23.1 deletion: Look out for left ventricular hypertrabeculation and not only congenital heart diseases. Single‐center experience and literature revision

Deletions involving the distal portion of the short arm of chromosome 8(8p23.1) show a high phenotypic variability. Congenital heart diseases (CHD) are often described. GATA4 when mutated or deleted is reported to be involved in cardiac morphogenesis. Only twice, left ventricular non compaction (LVNC) was reported in literature in association with 8p23.1 deletion. The present cohort includes five new patients with 8p23.1 deletions including GATA4. The spectrum of CHD is variable. Moreover, in four patients, LV hypertrabeculation was detected and in the fifth LVNC was recognized. Literature revision identified 45 patients with 8p23.1 deletions (encompassing GATA4) and heart involvement. It included wide spectrum of CHD including: heterotaxy spectrum 7/45 (15, 6%), atrioventricular canal 14/45 (balanced 3/45 including two of them with hypoplastic aortic arch; unbalanced 4/45, Fallot—AVC 1/45, partial AVC 3/45, unspecified 3/45), predominant major left heart lesions included 2/45 (4, 4%): interrupted aortic arch and hypoplastic left heart syndrome. Left ventricular hypertrabeculation might be potentially underestimated in patients with 8p23.1 deletion. These might suggest the importance of including microarray analysis in this group of patients. Moreover, 8p23.1 microdeletion or GATA4 variants can be considered in heterotaxy genetic panels.
Phylogenetic position of Dolops bidentata (Ichthyostraca: Argulidae) based on molecular data: first record of the genus in Mexico

Species included in the genus Dolops (Ichthyostraca: Argulidae) have been recorded from Southern and Central Africa, Australia, and mainly from South America, with no records from Central or North America. Specimens of Dolops bidentata , previously recorded only in South America, were collected in the state of Tabasco, southern Mexico, parasitizing the common snook, Centropomus undecimalis . Here, we provide the first record of the genus and the species in North America (Mexico) and the first molecular characterization of Dolops bidentata including 1 mitochondrial and 2 nuclear DNA markers, as well as a morphological description of the specimens. The newly generated molecular data were used to preliminarily investigate the phylogenetic relationships of Branchiura and to include Dolops bidentata in a phylogenetic hypothesis. Our results fail to recover the monophyly of Dolops ; however, more investigations are needed before any taxonomic change is made. Our results suggest that
Noninvasive Estimation of Glycated Hemoglobin In-Vivo Based on Photon Diffusion Theory and Genetic Symbolic Regression Models

The diagnosis and management of diabetes require frequent monitoring of blood sugar levels. Prolonged exposure of most of the monosaccharides in the bloodstream results in the glycation of hemoglobin. This glycated hemoglobin (HbA1c) based test plays an important role to avoid diabetic complications. However, noninvasive estimation of HbA1c is a very new, promising, and challenging topic in modern bioengineering scopes. The purpose of this study is to develop and verify mathematical models in order to quantify the glycated hemoglobin in-vivo percentage non-invasively. This research utilized photon diffusion theory to develop the finger models and genetic symbolic regression methods to solve the models to estimate the level of glycated hemoglobin in the blood. The validation of these models with human participants indicated a high degree of correlation (0.887 and 0.907 Pearson's r value), and high precision (2.56% and 2.96% coefficient of variation (%CV)) for transmission and reflection type noninvasive digital volume pulse-based signals. This research will be a breakthrough for the application of noninvasive HbA1c estimation.
Etched 3D-Printed Polycaprolactone Constructs Functionalized with Reduced Graphene Oxide for Enhanced Attachment of Dental Pulp-Derived Stem Cells

A core challenge in the field of tissue engineering is the ability to establish pipeline workflows for the design and characterization of scaffold technologies with clinically translatable attributes. The parallel development of biomaterials and stem cell populations represents a self-sufficient and streamlined approach for establishing such a pipeline. In the current study, rat dental pulp stem cell (rDPSC) populations were established to assess functionalized polycaprolactone (PCL) constructs. Initial optimization and characterization of rDPSC extraction and culture conditions confirmed that cell populations were readily expandable and demonstrated surface markers associated with multi-potency. Subset populations were transduced to express DsRed fluorescent protein as a mechanism of tracking both cells and cell-derived extracellular matrix content on complex scaffold architecture. Thermoplastic constructs included reduced graphene oxide (rGO) as an additive to promote cellular attachment and were further modified by surface etching a weak acetic acid solution to roughen surface topographical features, which was observed to dramatically improve cell surface coverage in vitro. Based on these data, the modified rGO-functionalized PCL constructs represent a versatile platform for bone tissue engineering, capable of being applied as a standalone matrix or in conjunction with bio-active payloads such as DPSCs or other bio-inks.
FEA on the Roller System of Rolling Mill

According to contact mechanics, the contact regions between the rollers and the steel plate, and then the boundary conditions and FEA model of the roller system of rolling mill are determined reasonably considering the characteristic of the structure and loads. The simulations of the system under different values of loads have been done using FEA and main results are introduced in the paper. The work of this paper offers a reference to calculate the strength or work life of parts in the system and a basis to analyze the roller bearings in the system with 3D FEA in detail.
Directional resolution of head-related transfer functions required in binaural synthesis

In binaural synthesis a virtual sound source is implemented by convolving an anechoic signal with a pair of head-related transfer functions (HRTFs). In order to represent all possible directions of the sound source with respect to the listener a discrete number of HRTFs are measured and interpolations are made in between. A listening experiment was done to estimate the lowest directional resolution with which HRTFs have to be measured to ensure that interpolations between them do not introduce audible errors. In order to make this study the HRTFs of an artificial head were measured with a directional resolution of 2°. The measurements were used to create HRTF data sets with low resolution from which interpolations were made in the horizontal, frontal, and median planes. Measured and interpolated HRTFs were compared in a three-alternative forced-choice listening experiment for both stationary and moving sound sources. A criterion was found that predicts the experimental results. This criterion was used to estimate the directional resolution required in binaural synthesis for all directions on the sphere around the head.
GEOMETRICAL OPTIMIZATION AND EVALUATION OF ALLOY WHEEL FOUR WHEELER

Alloy wheels are automobile wheels which are made from an alloy of aluminum or magnesium metals or sometimes a mixture of both. Alloy wheels differ from normal steel wheels because of their lighter weight, which improves the steering and the speed of the car. Alloy wheels will reduce the unstrung weight of a vehicle compared to one fitted with standard steel wheels. The benefit of reduced unstrung weight is more precise steering as well as a nominal reduction in fuel consumption. The goal of the project is to suggest optimum geometric shape and material for alloy wheel of a four wheeler. In the first step previous journals will be studied to understand actual problem, selection of materials, selection of shape’s and rectification method. In the next step parametric models will be prepared for further analysis purpose Evaluation will be done on the model using Ansys work bench for reading results. Different geometric shapes of cross members will be implemented according to the stress location observed from evaluation process. Analysis/evaluation will be carried out on different models to find best shape of cross member. On the optimum model analysis will be carried out using different material to ensure quality. Result tables and conclusion will be made according to the results obtained from Ansys
A test strategy for the distributed real-time system MARS

The testing of real-time systems within the framework of the distributed real-time system MARS (maintainable real-time system), is considered. After a brief survey of the available literature and an overview of the background of this work, a proposed test strategy for MARS is described and two architectures for testbeds that allow actual test execution in two different test modes are derived. The specification, development and implementation on one specific test tool, the environmental simulator, is considered and its use in the proposed test strategy is discussed. The principles described are being applied to the construction of an experimental application for MARS. <<ETX>>
Range correlation effects on phase and amplitude noise

The authors address the problem of characterizing the effects of range correlation and local oscillator amplitude and phase noise on the intermediate-frequency (IF) spectrum of a coherent, continuous wave or pulsed Doppler radar. Since the amplitude and phase noises are stochastic processes, the problem is defined in a stochastic processes context, and a reasonable set of assumptions is imposed to produce a general, straightforward, and easily understood solution. The solution clearly indicates how the natural spectrum of the scatterer, the amplitude and phase noise spectra, and range correlation combine to produce the IF spectrum. A specific example is provided for the case of a pulsed Doppler radar. The results presented indicate that range correlation can have a significant impact on the IF spectrum and thus should be considered in radar analysis and design activities. <<ETX>>
Developing the Group Facilitation Assessment of Competencies Tool for Group-Based Mental Health and Psychosocial Support Interventions in Humanitarian and Low-Resource Settings

In humanitarian settings, mental health and psychosocial support services (MHPSS) are often delivered in group-based formats. Group interventions enable providers to reach more individuals when resources and technical expertise are limited. Group-based programs also foster social support, empathy, and collective problem-solving among the participants. To remedy the current lack of tools available to assess the group facilitation competencies of individuals delivering group-based MHPSS, we made it our objective to develop such a tool. Our approach, which focused on adults, complimented a similar initiative underway for children and adolescents. We reviewed MHPSS manuals to identify key group facilitation competencies, which include developing and reviewing group ground rules, facilitating participation among all group members, fostering empathy between members, encouraging collaborative problem-solving, addressing barriers to attendance, time management, and ensuring group confidentiality. We then developed the Group Facilitation Assessment of Competencies (GroupACT) Tool. The GroupACT is a structured observational tool for assessing these competencies during standardized role-plays with actor clients, or in vivo during the delivery of group sessions with actual clients. We conclude this article with guidance for using the GroupACT to assess facilitators' competencies in providing group-based MHPSS in the health, education, protection, and other sectors in humanitarian settings.
Fecal Microbiota Transplant in Severe and Non-Severe Clostridioides difficile Infection. Is There a Role of FMT in Primary Severe CDI?

Background: Faecal microbiota transplant (FMT) is a highly effective therapy for recurrent Clostridioides difficile infection (rCDI) with cure rates ranging between 85 and 92%. The FMT role for primary Clostridioides difficile infection (CDI) has yet to be settled because of limited data and small-sample studies presented in the current literature. Our study goals were to report the risk factors and the risk of recurrence after FMT for each CDI episode (first, second, and third) and to explore if there is a role of FMT in primary severe CDI. Methods: We conducted a retrospective study to analyze the clinical characteristics and the outcomes of 96 FMT patients with a prior 10 day course of antibiotic treatment in the medical records, of which 71 patients with recurrent CDI and 25 patients with a primary CDI. Results: The overall primary cure rate in our study was 88.5% and the primary cure rate for the severe forms was 85.7%. The data analysis revealed 5.25%, 15.15%, and 27.3% FMT recurrence rates for primary, secondary, and tertiary severe CDI. The risk of recurrence was significantly associated with FMT after the second and the third CDI severe episodes (p < 0.05), but not with FMT after the first severe CDI episode. Conclusions: This study brings new data in supporting the FMT role in CDI treatment, including the primary severe CDI, however, further prospective and controlled studies on larger cohorts should be performed in this respect.
Establishing agent staffing levels in queueing systems with cross-trained and specialized agents

The determination of the right number of servers in a multi-server queueing system is one of the most important problems in applied queueing theory. The problem becomes more complex in a system that consists of both cross-trained and specialized servers. Such queueing systems are readily found in the call centres (also called contact centres) of financial institutions, telemarketing companies and other organizations that provide services to customers in multiple languages. They are also found in computer network systems where some servers are dedicated and others are flexible enough to handle various clients’ requests. Over-staffing of these systems causes increased labour costs for the underutilized pool of agents on duty, while under-staffing results in reduced revenue from lost customers and an increase in queue times. The efficient design and analysis of these systems helps management in making better staffing decisions. This thesis aims to develop models for establishing agent staffing levels in organizations with cross-trained and specialized staff with a view to minimizing cost and maintaining a desirable customer satisfaction. The work investigates the effect of various traffic loads on the number of agents required and the cost. It also considers how using specialized agents, flexible agents and a combination of both categories of agents affects the system. It uses a contact centre that has agents with monolingual, bilingual and trilingual (English, French and Spanish) capabilities to do the study.
First look at across-chip performance and process noise using non-contact performance-based metrology

We report on the first non-contact, non-destructive performance measurements of embedded Ring Oscillators. Measurements are made on inside the die active area as early as Metal 1. A 90nm logic CMOS technology was used for this work. We have measured residual across-field performance process noise, and variation separate from and of opposite sense to wafer uniformity. This effect cannot be extrapolated from scribe measurements.
The Impact of Social Media on Civic Engagement in China: The Moderating Role of Citizenship Norms in the Citizen Communication Mediation Model

This study incorporates the examination of citizenship norms in testing the Citizen Communication Mediation Model (CCMM) in China, exploring to what extent online political expression mediates the impact of informational use of social media on offline civic engagement and how beliefs in citizenship norms moderate the CCMM. Results based on a two-wave panel survey among a national sample of 1,199 Chinese adults provide strong support for the CCMM in the Chinese context. In addition, embracing the democratic citizenship norm significantly enhances the CCMM effect, whereas embracing the pro-government citizenship norm that encourages pro-government speech does not show the same effect.
OPERATING EXPERIENCE OF THE 20MV UPGRADE LINAC

The ISAC-II heavy ion linear accelerator has been in operation at TRIUMF since 2006. The Phase II section of the accelerator, consisting of twenty cavities with optimum β0=0.11 is designed to double the total voltage of the ISAC-II linac to allow acceleration beyond the Coulomb barrier for all ISAC radioactive ion beams. The cavities are superconducting bulk niobium two-gap quarter-wave resonators with a frequency of 141 MHz, providing, as a design goal, a voltage gain of Veff=1.08 MV at 7 W power dissipation. Production of the cavities is from a Canadian company, PAVAC Industries of Richmond, B.C. Cavity and cryomodule production details as well as installation, commissioning and first operation results are presented and discussed.
Hong Kong students’ perceptions of structures for total quality management

The popularity of TQM in Asia raises the question of how well students who must later work with the concept understand TQM. Investigates changes in undergraduate and postgraduate Hong Kong engineering student perceptions of TQM structure. Compares exploratory factor analysis of questionnaire responses from 165 manufacturing engineering undergraduates with responses from 107 graduate students from electrical engineering and engineering management. Comparison of the factors suggests that students start at an idealistic structural view of TQM and move towards a cultural perspective. Data also suggest that practitioners in South China may not see full implementation of all TQM concepts as appropriate for their environment.