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Assessing healthcare workers’knowledge and confidence in the diagnosis,management and prevention of Monkeypox

World Journal of Clinical Cases 2025年第1期13卷 38-47页

作者： Epipode Ntawuyamara Thierry Ingabire Innocent Yandemye Polycarpe Ndayikeza Bina Bhandari Yan-hua liang Department of Dermatology Cosmetology and VenereologyShenzhen Hospital of Southern Medical UniversityShenzhen 518101Guangdong ProvinceChina Department of Dermatology and Venereology Kamenge Teaching HospitalUniversity of BurundiBujumbura 1020Burundi Department of Infectious Diseases Kamenge Teaching HospitalUniversity of BurundiBujumbura 1020Burundi General Directorate of Healthcare Supply Modern and Traditional MedicineNutrition and RegistrationMinistry of Public Health and Fight Against HIV/AIDSBujumbura 1055Burundi Department of Epidemiology National Institute of Public HealthBujumbura 350Burundi General Directorate of Planification Ministry of Public Health and Fight Against HIV/AIDSBujumbura 1055Burundi

BACKGROUND Monkeypox(Mpox),is a disease of global public health concern,as it does not affect only countries in western and central *** To assess Burundi healthcare workers(HCWs)s’level of knowledge and confidence in the diagnosis and management of *** We conducted a cross-sectional study via an online survey designed mainly from the World Health Organization course distributed among Burundi HCWs from June-July *** questionnaire comprises 8 socioprofessional-related questions,22 questions about Mpox disease knowledge,and 3 questions to assess confidence in Mpox diagnosis and *** data were analyzed via SPSS software version 25.0.A P value<0.05 was considered to indicate statistical *** The study sample comprised 471 HCWs who were mainly medical doctors(63.9%)and nurses(30.1%).None of the 22 questions concerning Mpox knowledge had at least 50%correct responses.A very low number of HCWs(17.4%)knew that Mpox has a *** confidence level to diagnose(21.20%),treat(18.00%)or prevent(23.30%)Mpox was low among *** confidence level in the diagnosis of Mpox was associated with the HCWs’age(P value=0.009),sex(P value<0.001),work experience(P value=0.002),and residence(P value<0.001).The confidence level to treat Mpox was significantly associated with the HCWs’age(P value=0.050),sex(P value<0.001),education(P value=0.033)and occupation(P value=0.005).The confidence level to prevent Mpox was associated with the HCWs’education(P value<0.001),work experience(P value=0.002),residence(P value<0.001)and type of work institution(P value=0.003).CONCLUSION This study revealed that HCWs have the lowest level of knowledge regarding Mpox and a lack of confidence in the ability to diagnose,treat or prevent *** is an urgent need to organize continuing medical education programs on Mpox epidemiology and preparedness for Burundi *** encourage future researchers to assess potential hesitancy toward Mpox vaccination and its asso

关键词： Monkeypox Public health emergency of international concern Healthcare workers Epidemic Preparedness Knowledge Confidence

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A New Model Potential Acting on the Excited Electron Within Molecules： Application to Calculate the Recurrence Spectra of Excited H2 Molecules in Strong External Fields

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Chinese Physics Letters 2004年第7期21卷 1191-1194页

作者： WANGDe-hua DINGShi-liang SchoolofPhysicsandMicroelectronics ShandongUniversityJinan250100

By using the molecular orbit theory, we give a new model potential acting on the excited electron within a molecule. The potential is the total interaction energy of this electron with all the nuclei and other electrons. We find that the introduction of a new model potential results in an extreme increase of the number of closed orbits as compared to the hydrogen atom. Making use of the molecular closed-orbit theory (MCOT) and the new model potential, we calculate the recurrence spectra of H2 molecules in parallel electric and magnetic fields for different quantum defects. The modulations in the spectra can be analysed in terms of the scattering of the excited electron on the molecular core. Our results are in good agreement with the quantum results.

关键词： Molecules

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Strong interactions of incident shock wave with boundary layer along compression corner

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Chinese Journal of Aeronautics 2020年第12期33卷 3149-3157页

作者： Shanguang GUO Yun WU hua liang Science and Technology on Plasma Dynamics Laboratory Air Force Engineering UniversityXi'an 710038China

The coherent structure and instability of the interaction of incident shock wave with boundary layer developing on a compression corner are experimentally *** experiments are carried out in a supersonic wind tunnel of Mach number *** attention is paid to shock patterns and unsteady shock motions induced by the separation *** high-speed schlieren is used to visualize the flowfield evolution and to characterize the *** snapshot proper orthogonal decomposition of schlieren sequences is applied to investigate the primary coherent structure in the *** Fourier transform and continuous wavelet transformation are applied to characterize the *** results show that there are large-scale low-frequency oscillations of the shock waves and small-scale high-frequency pulsations in the separation *** peak frequency of shock oscillation is mainly concentrated in the range of 100–1000 *** pulsation of the small flow structure in the separation bubble is mainly concentrated above 12.5 k *** on the results of experimental analysis,the preliminary mechanism of the largescale instability of such interaction is obtained.

关键词： Shock wave Boundary layer Interaction Flow mechanism Instability

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Hand-eye calibration with a new linear decomposition algorithm

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2008年第10期9卷 1363-1368页

作者： Rong-hua liang Jian-fei MAO College of Information Engineering Zhejiang University of Technology Hangzhou 310032 China

To solve the homogeneous transformation equation of the form AX=XB in hand-eye calibration, where X represents an unknown transformation from the camera to the robot hand, and A and B denote the known movement transformations associated with the robot hand and the camera, respectively, this paper introduces a new linear decomposition algorithm which consists of singular value decomposition followed by the estimation of the optimal rotation matrix and the least squares equation to solve the rotation matrix of X. Without the requirements of traditional methods that A and B be rigid transformations with the same rotation angle, it enables the extension to non-rigid transformations for A and B. The details of our method are given, together with a short discussion of experimental results, showing that more precision and robustness can be achieved.

关键词： Homogeneous transformation equation Singular value decomposition (SVD) Optimal rotation matrix Rigid transformations

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Dynamically integrated regression model for online auction data

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Science China Mathematics 2022年第7期65卷 1531-1552页

作者： Mengying You huazhen Lin hua liang Center of Statistical Research School of StatisticsSouthwestern University of Finance and EconomicsChengdu 611130China Department of Statistics George Washington UniversityWashingtonDC 20052USA

We propose a dynamically integrated regression model to predict the price of online auctions,including the final *** from existing models,the proposed method uses not only the historical price but also the information from bidding ***,the prediction accuracy is improved compared with the existing *** estimation method based on B-spline approximation is proposed for the estimation and the inference of parameters and nonparametric functions in this *** minimax rate of convergence for the prediction risk and large-sample results including the consistency and the asymptotic normality are *** studies verify the finite sample performance and the appealing prediction accuracy and ***,when we apply our method to a 7-day auction of iPhone 6s during December 2015 and March 2016,the proposed method predicts the ending price with a much smaller error than the existing models.

关键词： B-spline dynamic forecasting model functional linear regression model minimax rate online auction

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Model averaging for semiparametric additive partial linear models

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Science China Mathematics 2010年第5期53卷 326-339页

作者： Deng Guohua liang hua Jiangxi Univ Finance & Econ Sch Finance & Stat Nanchang 330013 Peoples R China Univ Rochester Dept Biostat & Computat Biol Rochester NY 14642 USA

To improve the prediction accuracy of semiparametric additive partial linear models(APLM) and the coverage probability of confidence intervals of the parameters of interest,we explore a focused information criterion for model selection among ALPM after we estimate the nonparametric functions by the polynomial spline smoothing,and introduce a general model average *** major advantage of the proposed procedures is that iterative backfitting implementation is avoided,which thus results in gains in computational *** resulting estimators are shown to be asymptotically normal.A simulation study and a real data analysis are presented for illustrations.

关键词： backfitting focused information criterion polynomial spline model selection model uncertainty

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Optimal Model Average Prediction in Orthogonal Kriging Models

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Journal of Systems Science & Complexity 2024年第3期37卷 1080-1099页

作者： WANG Jun HE Jiabei liang hua LI Xinmin School of Mathematics and Statistics Qingdao UniversityQingdao 266071China Department of Statistics George Washington UniversityWashington DC 20052USA

The main objective of this paper is to consider model averaging methods for kriging *** paper proposes a Mallows model averaging procedure for the orthogonal kriging model and demonstrate the asymptotic optimality of the model averaging estimators in terms of mean square *** studies are conducted to evaluate the performance of the proposed method and compare it with the competitors to demonstrate its *** authors also analyse a real dataset for an illustration.

关键词： Asymptotic optimality Mallows criterion optimal model averaging orthogonal kriging model

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Fiducial generalized p-values for testing zero-variance components in linear mixed-effects models

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Science China Mathematics 2018年第7期61卷 1303-1318页

作者： Xinmin Li Haiyan Su hua liang School of Mathematics and Statistics Qingdao University Department of Mathematical Sciences Montclair State University Department of Statistics George Washington University

Linear mixed-effects models are widely used in analysis of longitudinal data. However, testing for zero-variance components of random effects has not been well-resolved in statistical literature, although some likelihood-based procedures have been proposed and studied. In this article, we propose a generalized p-value based method in coupling with fiducial inference to tackle this problem. The proposed method is also applied to test linearity of the nonparametric functions in additive models. We provide theoretical justifications and develop an implementation algorithm for the proposed method. We evaluate its finite-sample performance and compare it with that of the restricted likelihood ratio test via simulation experiments. We illustrate the proposed approach using an application from a nutritional study.

关键词： fiducial distribution generalized pivotal quantity generalized test variable penalized spline additive models restricted likelihood ratio test structural equation zero-variance components

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On the Period Function of a Class of Reversible Quadratic Centers

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Acta Mathematica Sinica,English Series 2011年第5期27卷 905-918页

作者： Hai hua liang Yun Lin ZHAO Department of Mathematics Sun Yat-Sen University Guangzhou 510275 P. R. China Department of Computer Science Guangdong Polytechnic Normal University Guangzhou 510665 P. R. China

Abstract This paper is devoted to the study of the period function for a class of reversible quadratic system x=-2xy,y=k-1-2kx＋（k＋1）x^2-1/2y^*** determine the monotonicity of the period function for each k ∈ R. ... 详细信息

关键词： Monotonicity period function abelian integrals Picard Fuchs equations

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Dysfunctional autophagy in Alzheimer's disease: pathogenic roles and therapeutic implications

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Neuroscience Bulletin 2014年第2期30卷 308-316页

作者： Jun-hua liang Jian-Ping Jia Department of Neurology Xuan Wu Hospital of the Capital Medical University

Neuronal autophagy is essential for neuronal survival and the maintenance of neuronal homeostasis. Increasing evidence has implicated autophagic dysfunction in the pathogenesis of Alzheimer＇s disease （AD）. The mechanisms underlying autophagic failure in AD involve several steps, from autophagosome formation to degradation. The effect of modulating autophagy is context-dependent. Stimulation of autophagy is not always beneficial. During the implementation of therapies that modulate autophagy, the nature of the autophagic defect, the timing of intervention, and the optimal level and duration of modulation should be fully considered.

关键词： Alzheimer's disease autophagy presenilin axon lysosome animal model

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