Miracle-dz/UniFAR-FTUs huggingface dataset:
Construction des représentations sur le métier de Community manager au Sénégal

This article takes a look at the representations of the profession of Community manager in Senegal. It takes stock of the emergence of this activity and the perception that one of the categories of Internet users has on it. In addition, he is interested in the discursive practices of community managers in business vis-à-vis their audiences / customers through their exchanges on Twitter. The analysis of the discursive elements that make up 1,108 digital comments made between November 1, 2019 and January 1, 2020 allows us to understand the dynamics of brand valuation as well as the surface emotional work carried out by the figure of the community manager.
CrowdHB: A Decentralized Location Privacy-Preserving Crowdsensing System Based on a Hybrid Blockchain Network

With the advent of the Internet of Things (IoT), crowdsensing, as a new emerging application of the IoT that employs ubiquitous mobile users with smartphones for data collection and processing, has further deepened our knowledge. However, the problems of the current crowdsensing systems regarding system security, user privacy, and user payment (UP) raise serious privacy and security concerns, which affect participants’ adoption of the system. The Blockchain technology allows for nondeterministic multiple parties to interact with each other anonymously in a network that is not fully trusted. In this article, we propose a new decentralized crowdsensing system, called CrowdHB. Unlike other blockchain-based crowdsensing systems, CrowdHB adopts a hybrid blockchain architecture and uses smart contracts to achieve location privacy preservation and ensure data quality while improving the system performance. Furthermore, to optimize task assignments to mobile users, we propose a location privacy-preserving optimization mechanism (LPPOM) and the approach of consistency optimization (ACO) to achieve a tradeoff between user privacy and system performance. The extensive experimental results show that the proposed CrowdHB outperforms the other crowdsensing systems in terms of task success rate and performance for a large number of mobile users and tasks.
An Investigation of Multiple Asymmetric Threshold Contagions Effects of U.S. Stock Market to Major Industrialized Countries under Turbulent Economic Conditions

Researchers and academic institutions frequently use the conventional Threshold AR model. However, the model uses zero or a single random value as a threshold to convey limited information. This study intends to explore multiple asymmetric threshold effects of U.S. stock market to five major industrialized countries during turbulent economic conditions. Daily stock index returns, ranging from 1998 to 2019, are collected. A three random thresholds TAR model is built; Four hypotheses are proposed; Grid search algorithm is programmed; The testing procedure includes: linear and non-linear unit roots, structural break, likelihood ratio, Wald, and residual diagnoses are tested. The findings are as follows: The four hypotheses are significant in most of five major countries except for U.K. and Germany of contagions effects. The newly proposed multiple TAR model is superior to the traditional TAR model. During the financial crisis period, the contagions effects are greater, the threshold effects are significant, and the combined threshold contagions effects are stronger.
Business Information Technology Models for Women Farmer Group in Indonesia

The existence of women farmer groups in the use of land for agriculture, such as existing fruit and vegetables, deserves a response to the follow-up, considering that the activities of women farmer groups have great potential. However, the professions as farmers and agricultural laborers, the income of female farmers and agricultural laborers does not necessarily depend on the season. With the ability to manage further processed agricultural products, they can have reliable income and use a marketing system that is adjusted to the times. This research is a model trial with the title "Business Information Technology Models for Women Farmer Group in Indonesia" with the aim of minimizing disparities in the village. By utilizing knowledge, skills and technology, it is hoped that poverty and disparity can be minimized or even eliminated. This research at a macro level provides benefits to stakeholders, namely human resources who supply raw materials, female farmers who are metamorphosed into entrepreneurs, so that domestic and foreign consumers will get superior regional products with high quality.
ERCP-Related Bleeding

Clinically significant bleeding is an uncommon complication of diagnostic endoscopic retrograde cholangiopancreatography. But the endoscopists needs to be skilled at prevention and management. Post ERCP bleeding is most often seen following sphincterotomy. The overall risk of bleeding in patients undergoing sphincterotomy is approximately 1-2 percent. Most bleeding episodes are mild to moderate in severity. The risk of bleeding can be minimized by identifying patients at risk, correcting coagulation abnormalities and careful technique by skilled endoscopists in high-volume centers. Post-sphincterotomy bleeding often stops spontaneously and is rarely life-threatening, except in patients with a bleeding diathesis. Most clinically relevant bleedings can be managed with medical treatment and/or endoscopic therapy, which should be performed without delay in patients who have immediate bleeding. Endoscopic therapy options include epinephrine injection, hemostatic clips, thermal therapy and placement of full covered self-expandable metal stents. Angiography or surgery is usually reserved for patients with refractory bleeding and is rarely required.
IL PROGETTO LIFE DENTREAT: RIMOZIONE AUTOTROFA DELL’AZOTO NEI REFLUI DA STAMPA TESSILE DIGITALE CON PROCESSO PN/A

Digital textile printing (STD) is a rapidly spreading technology in the textile finishing sector, thanks to its ability to make the printing process much more flexible and faster. However, the wastewater from the rinsing baths is rich in nitrogen (up to 600 mg/L), due to the massive use of urea used to prepare the fabric for printing and facilitate the penetration of color into the fiber. Such a high concentration prevents the direct discharge of STD waste into water bodies or public sewers and a specific pre-treatment on site is required. STD wastewater is characterized by a COD/N ratio < 4, which is even lower if we consider the biodegradable COD (bCOD, 30%50% of the total COD). The Partial Nitritation/Anammox (PN/A) process can offer a cost-effective alternative to conventional nitrogen removal processes, which would require considerable dosages of biodegradable carbonaceous substrate. The first results of the LIFE DeNTreat project verified the feasibility of the PN/A process on STD wastewater through the use of batch manometric tests and preliminary tests on a 2 L SBR laboratory pilot plant. Subsequently, in the project LIFE DeNTreat, nitrogen removal efficiencies were investigated both on the laboratory scale reactor and in a 12 m SBR reactor on a demonstration scale. The data reported in this work have shown promising results, despite the variability of the characteristics of the wastewater and the difficult control of operating conditions during the process.
A finite element model (FEM) for predicting the corrosion of multi‐material coupling system on aircrafts

An approach based on a finite element model (FEM) is proposed to predict corrosion locations and regions of multi‐material coupling system on aircrafts in solution. In this work, the feasibility of the model is verified by the comparison of the galvanic current and mixed potential between test and simulation values in the multi‐electrode system. This model was applied to the analog connectors commonly used on aircraft. The surface potential distribution was measured by scanning micro‐reference electrode (SMRE) technique. It is found that the simulated potential is basically consistent with the measured potential trend, and the numerical difference is not significant. In terms of the corrosion morphology after 30 d soaking, it can be seen that the corrosion locations and regions are basically consistent with those obtained in the simulated potential distribution over −858 mV, while −858 mV is just the pitting potential of the aluminum alloy. The higher local current distribution in the corrosion concentration area is, the more serious corrosion is, which is in accordance with the experimental results.
The impact of postponing motherhood on women's income in Brazil

Este artigo investiga o impacto do adiamento da maternidade nos rendimentos das mulheres e na diferenca de rendimento entre homens e mulheres no mercado de trabalho brasileiro, com base em dados da Pesquisa Nacional de Saude de 2013. Usando a abordagem Heckman (1979), os resultados sugeremque o adiamento da maternidade tem um impacto anual positivo de 1,55% sobre os rendimentos. Ao comparar homens e mulheres, os resultados sugerem que ser mulher gera uma penalidade de cerca de 22% nos rendimentos, mas o adiamento da maternidade pode eliminar essa diferenca de genero, principalmente para as mulheres brancas, amarelas e com ensino superior.
A Clinical Report on the Impact of Gastric Bypass Surgery on Obesity-Related Complaints and Comorbidities Six Months after the Surgery

Introduction:Gastric bypass surgery is an intervention used to treat class III obesity and its complications. Evidence is scarce regarding its benefits among the Iranian population, especially its role in resolving obesity-related complaints and comorbidities. The present study aimed to investigate the impact of gastric bypass surgery on the improvement of obesity-related complaints and comorbidities in morbid obesity. Methods:This study was conducted on 35 morbidly obese patients who volunteered to undergo gastric bypass surgery. Anthropometric data, comorbidity status, and dietary habits were collected at baseline and six months postoperatively. Data analysis was performed in SPSS version 16.0. Results: The majority of the patients were female (80). A significant difference was observed in the frequency distribution of normal dietary habits (five regular meals per day) before and after surgery (P = 0.01). In comparison, the distribution was not significant for snacking and three large meals per day (P > 0.05). All complaints of eating disorders according to self-reports (e.g., overeating and night eating syndrome) significantly improved (P 0.05). Conclusion: Accordingly, gastric bypass surgery could improve obesity-related complaints six months postoperatively. Also, according to the patientsâ�� self -declaration, patientsâ�� adherence to â��normal eating habitsâ�� increased during this period, and their eating disorders like night eating syndrome (NES) and overeating behaviors decreased compared to before the surgery.
Visual representation of emotions in Virtual Reality

One of the challenges during the post-COVID pandemic era will be to foster social connections between people. Previous research suggests that people who is able to regulate their emotions tends to have better social connections with others. Additional studies indicate that it is possible to train the ability to regulate emotions voluntarily, using a procedure that involves three steps: (1) asking participants to evoke an autobiographical memory associated with a positive emotion; (2) analyze participants’ brain activity in real-time to estimate their emotional state; and (3) provide visual feedback about the emotions evoked with the autobiographical memory. However, there is not enough research on how to provide the visual feedback required for the third step. Therefore, this manuscript introduces five virtual environments that can be used to provide emotional visual feedback. Each virtual environment was designed based on evidence found in previous studies, suggesting that there are visual cues, such as colors, shapes and motion patterns, that tend to be associated with emotions. In each virtual environment, the visual cues changed, intending to represent five emotional categories. An experiment was conducted to analyze the emotions that participants associated with the virtual environments. The results indicate that each environment is associated with the emotional categories that they were meant to represent.
Clinical Characteristics and Risk Factors for COVID-19 among Health Care Workers in Saudi Arabia: A Cross-Sectional Study.

Objectives: The study explores the main health care workers (HCWs) clinical characteristics and related behaviors with procedures that impose risk of acquiring COVID.19 infection. Method: This was a cross-sectional study conducted at East Jeddah Hospital. 100 Health Care worker participants who were detected as COVID-19 cases from March to July 2020 was obtained from the infection control department, and these HCWs were asked to fill out a questionnaire designed for this study. Data was analyzed using SPSS, and categorical data presented as counts and proportions. Results: Among the100 HCWs who contracted COVID-19, there was a marked predominance of females (69.0%) over males (31.0%). When dealing with COVID-19 cases, 93.1% of HCWs reported wearing a surgical mask and 61% an N95 mask, while only 69–80% reported wearing gloves, a disposable gown and eye protection. The procedures found to increase the risk of infection were taking nasopharyngeal swabs (23.0%), inserting nasogastric tubes (22.0%), ventilation (17.0%), and tracheal intubation (14.0%). Conclusion: This study confirms that noncompliance with the use of PPE as well as performing a specific procedure and working in close contact (<1.5 meters) for longer than 20 minutes increased the risk of infection. No minimal protective measures against SARS-CoV-2 infection. Recommendation: Analysis of the data obtained in this study demonstrates the significant of using personal protective equipment's effectively among health care workers and its vital role in reducing rate of infection transmission. However, further cohort study required in the same field to obtain a comprehensive outcomes.
Meeting 24-hour movement behavior guidelines in young children: Improved quantity estimation and self-regulation

ABSTRACT Research Findings: The present study examined the associations among meeting 24-hour movement behavior recommendations set by the World Health Organization (2019) and young children’s self-regulation and quantity estimation skills in a sample of 123 children (n = 65 female; 4.9 ± 0.7 years) in mid-Michigan. Meeting screen time recommendations alone, meeting physical activity recommendations in combination with either sleep or screen time recommendations, meeting more recommendations overall, and being active more days weekly were associated with superior quantity estimation. Meeting more guidelines and accruing more moderate-to-vigorous physical activity daily related to better self-regulation. Improvements in self-regulation partially mediated the relation between physical activity and quantity estimation. Practice or Policy: Our findings identify benefits for adopting specific physical activity guidelines for children (e.g., physical activity, screen time, and sleep duration) and integrating these into early learning standards so both families and schools can support children’s capacity to meet 24-hr movement guidelines and thus support cognitive health. An active lifestyle in early childhood may support young children’s self-regulation and early educational outcomes, with physical activity promotion efforts during early childhood serving as a viable means to address growing expulsion rates in preschool-aged children.
Transdermal and transmucosal preparations

[PROBLEMS] Many preparations for percutaneous/permucosal absorption show insufficient absorption and there is a desire for the development of an additive which promotes the percutaneous/permucosal absorption of various drugs. [MEANS FOR SOLVING PROBLEMS] A composition in which percutaneous/permucosal absorption is accelerated is provided which comprises given ingredients and hydroxyapatite. The hydroxyapatite has a maximum particle diameter of 1 mum or smaller, preferably 0.1 mum or smaller. The amount of the hydroxyapatite to be mixed with a drug is 0.1-1,000 wt. % based on the drug.
LİDERİN ALGILANAN YASAL VE ZORLAYICI GÜCÜNÜN ÖRGÜTSEL PERFORMANSA ETKİSİ: ÖZEL SEKTÖR ÇALIŞANLARI ÜZERİNE BİR ÇALIŞMA

The power of the leader, which is related to the ability of a person to influence another person in the way they want and make the changes they want on that person, is an important determinant on the organizational performance of employees, In the study, the effects of the leader’s legitimate and coercive power on the organizational performance and the moderating effects of age marital status, child ownership, and income level were examined. In the study, a questionnaire form was applied to 427 private-sector employees in Istanbul Ataşehir. The data were analyzed with the SPSS-21 program and it was concluded that while legitimate power positively affected organizational performance, coercive power negatively affected organizational performance. Besides these findings, it was determined that marital status, child ownership, and income level have moderating effects.
Reduced-order modelling method for a three-phase high-gain DC–DC converter

As a DC energy conversion interface, the three-phase high-gain DC–DC converter is more suitable for high-gain applications such as grid connection of photovoltaic and energy storage than traditional Boost converter. However, the high-gain converter is a six-order system, which makes controller difficult to design. Due to the coupling relation among the capacitors, traditional series-parallel method and average-switch model method cannot simplify high-gain converter model directly. To solve the above issue, model simplify methods based on average equivalent circuit and state space equation are proposed to reduce system order of the high-gain converter. Correctness of the reduced-order model is verified by two simplification methods each other, which are studied in more detail in this paper. Closed-loop control of the three-phase high-gain converter is designed by using reduced-order model. Finally, closed-loop operation characteristics of the high-gain converter with load suddenly increase and decrease are implemented by simulation and experiment, which proves the validity and feasibility of the proposed order reduced modelling method.
Comparison of dexmedetomidine vs labetalol for attenuation of haemodynamic stress responses to laryngoscopy and endotracheal intubation

Background: We hypothesized that the effectiveness of dexmedetomidine versus labetalol in attenuation of hemodynamic stress responses of laryngoscopy and intubation and effect of dexmedetomidine in post-operative sedation . Also we studied adverse effect of both the drugs. Method: Following approval by institutional ethics committee and 60 patients, who posted for elective surgeries under general anaesthesia taken. Study drug was given in 100 ml of saline over 10 mins. Inj dexmedetomine 1 microgram/ kg and Inj. labetalol 0.25 mg/kg given and parameters like HR, SBP, DBP, Spo2, and sedation score were monitored immediately and after 3,5 and 10 minutes. Result: There was a reduction in the heart rate and mean arterial pressure response to intubation in both Dexmedetomidine and labetalol but there was statistically significant reduction of heart rate and arterial pressure response to intubation in Dexmedetomidine group. There was statistically significant sedation in Dexmedetomidine group. Conclusion: Dexmedetomidine 1μ/Kg given slowly over 10 minutes intravenously 5 minutes prior to induction, attenuates the cardiovascular responses to laryngoscopy and intubation in a better manner than Labetalol 0.25mg/Kg.
Removal of Heavy Metals Cd (II), Fe (III) and Ni (II), from Aqueous Solutions by Natural (Clinoptilolite) Zeolites and Application to Industrial Wastewater

The adsorption mechanism of Cd, Fe, and Ni, ions on natural (clinoptilolite) zeolites, a regional lowcost natural available adsorbent was studied in a batch adsorption system. The effect of several parameters such as contact time, zeolite dose, particle size, the effect of pH, and initial concentration of metal ions in the adsorption process was estimated. The optimum adsorption was found to occur at pH 6.0, adsorbent dose 1.0 g/L, and initial concentration 2, 20 and 10 mg/L for Cd, Fe, and Ni, respectively. The adsorption efficiency also increases with decreasing particle size of zeolites and the effect of retention time on adsorption ratio shows that 80% of the Cd, Fe, and Ni, are adsorbed by zeolite during first 120 minutes. Under these optimum conditions, the removal efficiency was 78.8, 89.1, and 65.5% of Cd +2 , Fe +3 and Ni +2 , ions, respectively. Sorption data have Original Research Article Abd El-Azim and Mourad; AJEE, 7(1): 1-13, 2018; Article no.AJEE. 41004 2 been interpreted in terms of Langmuir and Freundlich isotherms. The adsorption efficiency of heavy metals in industrial wastewater as application mode was also investigated using zeolites and these results showed that natural zeolites hold great potential to remove cationic heavy metal species from industrial wastewater and confirms the potential use of zeolite for the removal of heavy metals from industrial wastewater via adsorption. It was concluded that zeolite is very promising for the removal of metal ions from aqueous solution and hence we encourage the utilization of zeolites in environmental applications.
A conceptual model for the estimation of flood damage to power grids

<p>Flood damage assessment is a crucial component of any decision-making process on flood risk management and mitigation; for this reason, reliable tools for flood damage estimation are required, for all the categories of exposed elements. Despite networks can suffer high losses in case of flood, and in comparison with other exposed items, flood damage modelling to infrastructures is still a challenging task. This is due, on the one hand, to the complexity of networks as well as of their interconnections; on the other hand, to the lack of knowledge and data to investigate damage mechanisms and to calibrate and validate damage models. Grounding on the investigation of the state of art, this contribution presents a conceptualization of flood damage to power grids. The ultimate objective of the conceptual model is to be an operative tool in support of more comprehensive and reliable flood damage assessments to power grids, highlighting: (i) the different components of the damage (i.e. direct, indirect, and systemic, meaning damage due to the interdependencies among power grids and residential, commercial, industrial and other infrastructure sectors), (ii) their interconnections, (iii) the hazard, exposure and vulnerability variables on which they depend, (iv) the temporal and spatial scales for their assessment. The development of the model highlighted, on the one hand, the importance of dividing damage assessment in two steps: the estimation of damage in quantitative/physical units and the estimation of the consequent economic losses. On the other hand, the variety of damage mechanisms and cascading effects shaping the final damage figure arises, asking for an interdisciplinary and multi-scale evaluation approach. The development of the conceptual model is the first step of a PhD research on the development of flood damage models for infrastructures. Next steps will validate the model in real case studies and evaluate how the different damage components could be investigated in the Italian context. </p>