Miracle-dz/UniFAR-FTUs huggingface dataset:
Removal of Yellow HE4G dye from aqueous solutions using synthesized Mn-doped PbS (PbS:Mn) nanoparticles

The applicability of the synthesized pure and PbS(1–x)Mnx (x = 0%, 5%, 10%, and 15%) nanoparticles as a novel adsorbent for eliminating Yellow HE4G dye from aqueous media was investigated. Various techniques including Brunauer–Emmett–Teller, Fourier transform infrared, X-ray diffraction, and scanning electron microscopy were used to characterize this novel adsorbent. Via employment of a batch adsorption technique, the impact values of 10 mg/L, 0.1 g, 2.0, and 15 min were considered as the ideal values for HE4G dye, adsorbent mass, pH value, and contact time, respectively. To investigate the equilibrium behavior of adsorbent Langmuir and Freundlich models were used. Adsorption mechanism for these adsorbents was considered to be physical which was confirmed by the E (kJ/mol) obtained from the Dubinin–Radushkevich isotherm for PbS, PbS/Mn-5%, PbS/Mn-10%, and PbS/Mn-15% were roughly –700.0, –770.1, –817.12, and –903.0 (kJ/mol), respectively. Kinetics experiments were performed to investigate the adsorption kinetics. The pseudo-second-order kinetics coincided quite with the kinetic results. The maximum adsorption capacity of the HE4G dye for PbS, PbS/Mn-5%, PbS/Mn-10%, and PbS/ Mn-15% were roughly 78.74, 103.9, 133.33, and 144.49 mg/g, respectively. The thermodynamic parameters including enthalpy, entropy, and Gibbs energy were calculated for the adsorption of these HE4G dye using Mn-doped PbS nanoparticles suitable, spontaneous and exothermic.
Multi-coupled numerical simulations of the DLR Generic Single Sector Combustor

ABSTRACT This paper presents a set of numerical analyses carried out on a model combustor equipped with a prefilming airblast injection system using a multi-coupled approach that includes the solution of the liquid film over the prefilming surface. The main objective of this study is to perform a systematic investigation of all the relevant aspects involved in the liquid fuel preparation of airblast atomizers, ranging from the interaction between the gas phase and the liquid film to the effect of velocity fluctuations on the dispersion of droplets downstream of the injector exit. Measurements at high pressure and reacting conditions are available for the case considered here, therefore, allowing to perform such investigation at engine-relevant conditions. The solution of the liquid film evolution over the prefilming surface suggests that the interaction between the gas phase and the liquid film is an important aspect to be considered for a reliable simulation of prefilming airblast systems since it has a strong impact on both velocity and fuel temperature at the atomizing edge. The role of primary breakup has been investigated by performing a sensitivity analysis to different theoretical and correlation-based models. Results obtained from this analysis, performed using Reynolds averaged Navier–Stokes simulations, show that the various formulations predict a quite different diameter, affecting the mixing field in the downstream region and therefore pointing out the necessity of more advanced and robust formulations. A comparison between experimental measurements and a scale-adaptive simulation of the combustor, performed using the spray setup determined in the sensitivity analysis, demonstrates the necessity of including in the simulation time-resolved velocity fluctuations to improve the prediction of the dispersion of droplets and therefore give a reliable prediction of fuel location and mixing.
ACTIVE TUBERCULOSIS DETECTION FROM FRONTAL CHEST X-RAY IMAGES

Tuberculosis (TB) is one of the leading causes of death from a single infectious agent in the world. In many high-burden regions, which often lack specialized healthcare professionals, Chest X-Ray (CXR) exams continue to be of vital importance in the diagnosis and follow-up of the various presentations of the disease. In this context, automated systems to support diagnosis from CXR images constitute a fundamental cog as the World Health Organization (WHO) confirmed in early 2021 that they can be used in place of human readers for the interpretation of digital CXRs. In this study, we investigate the benefits of automatic Pulmonary Tuberculosis (PTB) detection methods based on radiological signs found on CXR. Contrary to direct scoring from images, implemented in most related work, indirect detection offers natural interpretability of automated reasoning. We identify generalization difficulties for direct detection models trained exclusively on the modest amount of publicly available CXR images from PTB patients. We subsequently show that a model, pre-trained on tens of thousands of CXR images using automatically annotated radiological signs, offers a more adequate base for development. By relaying radiological signs through a simple linear classifier, one is able to obtain state-of-the-art results on three publicly available datasets (test AUC on Montgomery County-MC: 0.97, Shenzhen-CH: 0.90, and Indian-IN: 0.93). We further discuss limitations imposed by the limited number of PTB-specific radiological signs available on public datasets, and evaluate possible performance gains that could be obtained if more were available (test AUC MC: 0.98, CH: 0.98, IN: 0.93). We then analyze the relative importance of each of the radiological signs for PTB prediction using two distinct methods and conclude that more than a specific sign, it is their combination that allows a reliable detection of the disease. Finally, we propose a visual overview of the radiological signs predictions over radiographs using grad-CAMs and highlight the importance of annotating PTB datasets to study the reliability of these visualizations. Our work is made open-source1 and fully reproducible in the hopes it becomes useful to further explore the application of Deep Learning to PTB screening. 1https://gitlab.idiap. ch/bob/bob.med.tb
Comparison of CHROMagar Orientation versus CLED (cystine–lactose–electrolyte-deficient) Agar, VITEK-XL and MALDI-TOF in a Tertiary Laboratory Setting Processing Urine Culture Samples at Dr.Lal Path Labs, Delhi

Aims: To comparatively assess the performance and evaluate the advantages of CHROMagar orientation vs. CLED agar for the detection and enumeration of the most common yeast, gram-positive and gram-negative urinary tract pathogens. Methods: Five hundred and eighty-seven fully characterized isolates (372Gram-negative bacteria, 106 Gram-positive bacteria, 13 Candida spp. and 96 mixed culture) were used to test for accuracy of organism identification. To assess isolation rates of common urine isolates and ability to detect mixed cultures, 2500urine samples were tested by parallel inoculation on the two best-performing media, CHROMagar orientation and CLED. Results: Of the 2550 urine specimens, 587(23.1%) yielded positive cultures, of which 491(83.6%) were pure cultures and 96(16.4%) were mixed cultures. CLED, CHROMagar orientation agar gave detection rates of 78.8% and 99.4% respectively.
Child Restraint System: Lessons Learned from Global Best Practices

Road traffic injury is one of the major but neglected public health challenges globally. According to WHO (2018), road crash kills about 1.35 million people while it maims another 50 million, each year globally. Rapid urbanization and industrialization throughout the world have accelerated the growth of transport systems for faster communication. As a result, motor vehicles' mobility has increased to a great extent making roads more vulnerable for road users. Commuters’ safety has, therefore, emerged as an issue of critical concern. Automobile manufacturers have taken passenger safety with due importance and have been improvising vehicles’ safety measures. The major objective of this paper is to do a literature review of the global best practices. This paper investigates the effectiveness of the current vehicle safety system in ensuring child passengers' safety in a vehicle. Due to the unique physique, traveling children require safety devices that consider their age, height, and weight. An efficient way to improve that safety in moving vehicles is to use Child Restraint Systems (CRS) to ‘hold’ them during a probable collision. Unfortunately, there is little evidence in lowand middle-income countries (LMICs) relative to high-income countries (HICs). Increasing research on this aspect is vital, especially for LMICs, to make the device more straightforward and effective. This literature review deals with the existing practices regarding child safety in road journeys and probable steps for remedies and improvement, which could eventually be used as a guideline for transferring lessons learned from HICs to LMICs.
Study of Cu2+, Ni2+, and Zn2+ competitive adsorption on synthetic zeolite: an experimental and theoretical approach

In this study, isotherm models were used to describe the interactions between adsorbent (zeolite 4A) and adsorbate (Cu2+, Ni2+, and Zn2+) at different concentrations in both simple and multicomponent systems. To assess the effect of the mass transfer parameters on the adsorption kinetics, the pore diffusivity model was also applied. The adsorption selectivity of the adsorbent material was evaluated as a function of the initial concentration in binary and ternary systems, as well as the competitive adsorption between the metallic ions in synthetic zeolite 4A. The synthesized zeolite was characterized by different techniques such as powder X-ray diffraction, infrared vibrational spectroscopy, and scanning electron microscopy. Langmuir, Freundlich and Sips isotherm models fitted the experimental data of Cu2+ and Ni2+, whereas Langmuir and Freundlich models fitted the experimental data of Zn2+. The adsorption kinetics was fast for Cu2+ and Zn2+, and slow for Ni2+, which is consistent with the pore diffusivity results, in which higher diffusion values for Cu2+ and Zn2+ were obtained, and indicates a higher selectivity of the synthesized zeolite 4A for Cu2+ and Zn2+.
Analytical Equations Applied to the Study of Steel Profiles under Fire According to Different Nominal Temperature-Time Curves

Some analytical methods are available for temperature evaluation in solid bodies. These methods can be used due to their simplicity and good results. The main goal of this work is to present the temperature calculation in different cross-sections of structural hot-rolled steel profiles (IPE, HEM, L, and UAP) using the lumped capacitance method and the simplified equation from Eurocode 3. The basis of the lumped capacitance method is that the temperature of the solid body is uniform at any given time instant during a heat transient process. The profiles were studied, subjected to the fire action according to the nominal temperature–time curves (standard temperature-time curve ISO 834, external fire curve, and hydrocarbon fire curve). The obtained results allow verifying the agreement between the two methodologies and the influence in the temperature field due to the use of different nominal fire curves. This finding enables us to conclude that the lumped capacitance method is accurate and could be easily applied.
Two-Step Estimation of the Nonlinear Autoregressive Distributed Lag Model*

We consider estimation of and inference on the nonlinear autoregressive distributed lag (NARDL) model, which is a single-equation error correction model that allows for asymmetry with respect to positive and negative changes in the explanatory variable(s). We show that the NARDL model exhibits an asymptotic singularity issue that frustrates efforts to derive the asymptotic properties of the single-step OLS estimator. Consequently, we propose a two-step estimation framework, in which the parameters of the long-run relationship are estimated first using the fully-modified least squares estimator before the dynamic parameters are estimated by OLS in the next step. We show that our two-step estimators are consistent for the parameters of the NARDL model under stated regularity conditions and we derive their limit distributions. We develop Wald test statistics for the hypotheses of short-run and long-run parameter asymmetry. We demonstrate the utility of our framework with an application to postwar dividend-smoothing in the US.
The Influence of Knowledge, Compensation for Documentation Upbringing Treatment through Motivation Nurse in Mamuju Regional General Hospital

This study aims to know (1) The direct influence of Knowledge, Compensation on motivation, (2) The direct influence of Knowledge, Compensation, and motivation on documentation, (3) The Effect of Knowledge, Compensation on documentation through motivation. This research was conducted at the Mamuju Regional General Hospital from 15 September to 15 October 2019. This type of analysis used a quantitative study by using a descriptive design with a path analyst approach. This study's sample was all nurses who documented nursing care and had a minimum education of D3 Nursing, totaling 147 respondents with total sampling. Data was taken by using a questionnaire. This research concludes that there is a direct effect of Knowledge and compensation on motivation, the immediate effect of Knowledge, reward, motivation on documentation, and the indirect impact of the experience, payment on documentation through motivation.
Early-life fitness trait variation among divergent European and North American farmed and Newfoundland wild Atlantic salmon populations

It has long been clear that interbreeding between domesticated and wild Atlantic salmon can lead to negative fitness consequences for native populations. Few studies, however, have examined these consequences at critical early life stages, particularly in the context of distinct geographical and ancestral relationships among populations as well domestication selection. In Newfoundland (NF), Canada, while the majority of aquaculture sites use the North American (NA) Saint John River strain, site-specific permission has been granted to farm a strain of European origin (EO). We designed a common-garden experiment to compare fitness-related traits (e.g. development time, survival, size and growth) at different early-life stages (eye development, hatch and yolk absorption) among EO and NA farmed, 2 NF wild and F1 hybrid groups. Significant differences (p < 0.001) were observed in development time, survival, growth and energy conversion among farmed, F1 hybrid and wild populations. While pure populations (farmed and wild) differed amongst one another, we found few differences in fitness-related traits between F1 hybrids and their maternal wild/farmed strains. This suggests that the early-life fitness consequences of F1 hybridization will be largely manifested through the action of maternal effects. Additionally, significant associations between the maternal effects of egg size and alevin development time, size, survival, growth, condition and energy conversion efficiency were found. These findings suggest that early-life fitness-related trait differences among farmed, wild and their related F1 hybrids are generated by the geographic and ancestral relationship and maternal effects of egg size and less so by domestication selection.
NBER WORKING PAPER SERIES THE DISCOUNTED EULER EQUATION: A NOTE

We thank Susanto Basu, Gauti Eggertsson, Marc Giannoni, Fatih Guvenen, Nobuhiro Kiyotaki, Benjamin Moll, Michael Peters, Oistein Roisland, Greg Thwaites, Aleh Tsyvinski, NicolasWerquin and seminar participants at various institutions for valuable comments and discussions. We thank the National Science Foundation (grant SES-1056107) for financial support. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.
Growth and Characterization of Single-walled Carbon Nanotubes from Chemically Synthesized Catalyst Precursors

The work presented in this manuscript is focused on the study of single-walled carbon nanotube (S WCNT) growth by chemical vapor deposition, through the tuning of catalyst nanoparticle composition. The properties of S WCNTs strongly depend on their atomic structure, making structurally selective growth essential for future applications. Here we present a new and original method combining surface chemistry and coordination chemistry, for S CNT growth using a wide range of mono- and bimetallic catalyst systems, formed by the reduction of chemically synthesized catalyst precursors.A thorough study of this process is presented for three metallic precursor systems (Fe, NiFe, NiC), derived from the Prussian blue compound family. An extensive characterization of the precursors, ca­ -talysts, and the resulting S CNTs has allowed to evidence effects of catalyst composition on growth phenomena.We also show the importance of cross-characterization of SWCNT growth samples, through a comparative study between TEM, and Raman spectroscopy for diameter distribution assessment of our growth samples, and on diameter-sorted SWCNT samples.Preliminary results on the use of cyanosols and polyoxomet alates for SWCNT growth with additional bimetallic catalyst systems (FePd , and CoW) are also presented , highlighting the rich potential of inorganic chemistry and coordination chemistry in the field of SWCNT growth .
Assessment of retinal nerve fiber thickness and optic nerve head blood flow in female patients diagnosed with fibromyalgia syndrome.

PURPOSE Numerous neuroimaging and ophthalmic studies suggest optic nerve involvement in fi-bromyalgia syndrome. To further elucidate the etiopathogenesis of fibromyalgia syndrome, we compared optic nerve head blood flow area and retinal nerve fiber layer thickness between patients and controls and investigated the associations of these measures with fibromyalgia syndrome severity. METHODS Participants were divided into the following three groups according to Fibromyalgia Impact Questionnaire score: mild-moderate fibromyalgia syndrome (Group 1, n=47), severe fibromyalgia syndrome (Group 2, n=38), and healthy controls (Group 3, n=38). The optic nerve head blood flow area and retinal nerve fiber layer thickness were measured by optical coherence tomography angiography and compared among groups by ANOVA. Associations with fibromyalgia syndrome severity were evaluated by Spearman's correlation analysis. RESULTS Optic nerve head blood flow area did not differ between fibromyalgia syndrome Groups 1 and 2 (1.61 ± 0.08 vs.1.63 ± 0.09 mm2), but it was significantly lower in control Group 3 (1.49 ± 0.10 mm2, all p=0.001). Average retinal nerve fiber layer thickness values were significantly lower in Group 2 (101.18 ± 6.03 mm) than in Group 1 (103.21 ± 10.66 mm) and Group 3 (106.51 ± 8.88 mm) (p=0.041 and 0.020, respectively). The inferotemporal (134.36 ± 12.19 mm) and inferonasal (109.47 ± 16.03 mm) quadrant retinal nerve fiber layer thickness values were significantly lower in Group 2 than in Group 1 [inferotemporal (142.15 ± 17.79 mm), inferonasal (117.94 ± 20.53 mm)] and Group 3 [inferotemporal (144.70 ± 16.25 mm), inferonasal (118.63 ± 19.01 mm)] [inferotemporal, p=0.017 and 0.010, respectively; inferonasal, p=0.047 and 0.045, respectively]. The nasal-superior quadrant retinal nerve fiber layer thickness value was higher in Group 3 (91.08 ± 12.11 mm) than in Group 1 (84.34 ± 13.09 mm) and Group 2 (85.26 ± 13.11 mm) (p=0.031 and 0.038, respectively). A weak correlation was detected between disease severity and optic nerve head blood flow area. CONCLUSION Neural and vascular structures of the eye are altered in fibromyalgia syndrome, particularly among severe cases. Therefore, optical coherence tomography angiography may provide valuable information for the diagnosis and elucidation of fibromyalgia syndrome pathophysiology.
Prediction of hardness distribution during SPD process based on FEM simulations: case study of ECAP and HPT processes

3D finite element method (3D FEM) simulations of equal channel angular pressing (ECAP) and high-pressure torsion (HPT) of Al6061-T6 alloy were carried out and analyzed. 3D FEM results were correlated and compared with those obtained experimentally and theoretically through different mathematical equations. Furthermore, the hardness was estimated using the FEM strain and theoretical strain. The simulations and experimental results were in high conformity with each other. The ECAP load−displacement curves, the HPT load-time curves, and peak loads of FEM and experimental results were close to each other. FEM simulations provided clear strain distribution maps in different planes that fully explain the plastic deformation characteristics and homogeneity in the ECAP and HPT processes. FEM effective strain results have high reliability with a slight deviation from those theoretically estimated through the mathematical equations. The hardness distribution and the strain contours maps were in good agreement, confirming the quality of the FEM results. Hardness values calculated based on FEM effective strain indicate a deviation range of 0.96%–8.8% from experimental results that support the reliability of the FEM results. Microstructure results support hardness increase because of the effect of the grain refinement after ECAP and HPT processing.
RELATIONSHIP BETWEEN SCHOOL TYPE AND PUPIL’S MATHEMATICS ACHIEVEMENT ON THE PRIMARY LEAVING EXAMINATIONS IN UGANDA School of Graduate Studies and Research

The purpose of the study was to examine relationship between school type and a pupil’s achievement on the Mathematics employed a cross Board (UNEB) Primary Leaving Examinations results for the year 2018 ( done using a One relationship between a pupil’s school type (i.e., urban or rural, essentially school Social Economic Status [SES]) on the PLEs in Uganda, while controlling achievement/knowledge. The results indicate that there are significant differences between urban and rural schools on student Mathematics achievement controlling for prior mathematics ability. Specifically, the adjusted means average ( mean indicates better performance, and a higher mean indicates poorer performance on the PLE exams. (i.e., 1 is the highest score and 9 is the lowest score).
An Analysis of Representations of the AFLW in Online Discussion

The introduction of the Australian Football League Women’s (AFLW) competition in 2017 has seen Australian Rules Football become an increasingly popular sport for Australian women, as well as sparking considerable public discussion about the topic of women in sport. Although studies of media portrayals of AFLW and women in sport, more broadly, have been conducted, there has been limited research on public sense-making and discussion around women’s participation in the AFLW. This project aims to add to understanding of the developing public culture around the AFLW by examining representations of the AFLW and women who play Australian Rules Football in public and spectator discussion. A thematic analyses of an online discussion board that discusses topics within the AFLW was conducted using the method outlined by Braun and Clarke (2006). The thematic analysis resulted in five key themes being identified in the data, that capture the defining characteristics of the AFLW, including: “AFLW as Evoking Nostalgia”, “AFW as Beneficial for the Advancement of Australian Rules Football”, “AFLW as in Need of Support and Promotion”, “AFLW as Unenjoyable” and “AFLW as inferior to AFL”. The findings suggest that due to women’s participation in AFLW, representations of women’s sport and sportswomen are shifting. REPRESENTATIONS OF THE AFLW 5 Declaration This thesis contains no material which has been accepted for the award of any other degree of diploma in any University, and, to the best of my knowledge, this thesis contains no material previously published except where due reference is made. I give permission for the digital version of this thesis to be made available on the web, via the University of Adelaide’s digital thesis repository, the Library Search and through web search engines, unless permission has been granted by the School to restrict access for a period of time.