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Examining the Views and Opinions of Itinerary Traders on Adherence to COVID-19 Lockdown in Enugu State,Nigeria

Fudan Journal of the Humanities and Social Sciences 2023年第3期16卷 411-434页

作者： Ugochukwu Simeon Asogwa Benjamin okorie Ajah John Thompson Okpa Ikenga Patrick Ugwu Rebecca Ginikanwa Nnamani albert okorie Department of Sociology and Anthropology University of NigeriaNsukkaNigeria Department of Sociology University of CalabarCalabarNigeria Social Sciences Unit The School of General StudiesUniversity of NigeriaEnugu CampusEnuguNigeria Department of Political Science University of NigeriaNsukkaNigeria

The outbreak of COVID-19 caused human activities to be affected in one way or *** a result,measures were put in place by various national governments to reduce the spread of the *** paper examines adherence to COVID-19 guidelines in Nigeria among itinerant traders,using a total of 40 eligible participants from selected local governments in Enugu state,*** study adapted purposive sampling techniques to identify eligible participants;while in-depth interview was the method used for data *** other findings,result shows that the control measures rolled out by government were seriously *** traders,driven by economic gains,played covert role in the spread of the *** signalled a weak link in the efforts to curb the spread of the virus in *** study contributes to a more exact diagnosis of the weak link in the efforts to contain the spread of the virus and how the quest for economic gains drove the abuse of COVID-19 mitigation protocols with its attendant health *** therefore recommends that government should strengthen the institutional capacity for detection and control,and provide the critical infrastructural facilities that will make for intensified surveillance in future epidemic or pandemic *** incentives and the effective monitoring of protocol enforcers saddled with the responsibility of enforcing government directives are also encouraged in order to curb compromise.

关键词： COVID-19 Interstate movement Community transmission Itinerant traders Compliance

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Recent development and challenges in enhancing fire performance on wood and wood-based composites:A 10-year review from 2012 to 2021

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Journal of Bioresources and Bioproducts 2024年第1期9卷 27-42页

作者： Charles Michael albert Kang Chiang Liew Faculty of Tropical Forestry Universiti Malaysia SabahKota Kinabalu 88400Kota KinabaluSabah 88400Malaysia

Due to their durability,versatility,and aesthetic value,wood and wood-based composites are widely used as building *** fact that these materials are flammable,however,raises a major worry since they might cause fire hazards and significant loss of life and *** article investigates the variables that affect fire performance as well as the various fire-retardant treatments and their *** current developments and challenges in improving the fire performance of wood and wood-based composites treated with fire-retardant materials are summarized in this ***,organic chemicals,and densification are some recent developments in fire-retardant treatments that are also *** points from the review are summarized,along with potential areas for further research and development.

关键词： Fire performance Fire-retardant materials Wood Wood-based composite Nanoparticles coating Surface charring Bio-based fire retardant Densification

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NFA:A neural factorization autoencoder based online telephony fraud detection

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Digital Communications and Networks 2024年第1期10卷 158-167页

作者： Abdul Wahid Mounira Msahli albert Bifet Gerard Memmi Department of Computer Sciences and Networks(INFRES) LTCITelecom ParisInstitut Polytechnique de ParisPalaiseau91120France Artificial Intelligence Institute The University of WaikatoPrivate Bag 31053240HamiltonNew Zealand

The proliferation of internet communication channels has increased telecom fraud,causing billions of euros in losses for customers and the industry each *** constantly find new ways to engage in illegal activity on the *** reduce these losses,a new fraud detection approach is *** fraud detection involves identifying a small number of fraudulent calls from a vast amount of call *** an effective strategy to combat fraud has become *** much effort has been made to detect fraud,most existing methods are designed for batch processing,not real-time *** solve this problem,we propose an online fraud detection model using a Neural Factorization Autoencoder(NFA),which analyzes customer calling patterns to detect fraudulent *** model employs Neural Factorization Machines(NFM)and an Autoencoder(AE)to model calling patterns and a memory module to adapt to changing customer *** evaluate our approach on a large dataset of real-world call detail records and compare it with several state-of-the-art *** results show that our approach outperforms the baselines,with an AUC of 91.06%,a TPR of 91.89%,an FPR of 14.76%,and an F1-score of 95.45%.These results demonstrate the effectiveness of our approach in detecting fraud in real-time and suggest that it can be a valuable tool for preventing fraud in telecommunications networks.

关键词： Telecom industry Streaming anomaly detection Fraud analysis Factorization machine Real-time system Security

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Low-power SiPM readout BETA ASIC for space applications

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Nuclear Science and Techniques 2024年第3期35卷 153-169页

作者： Anand Sanmukh Sergio Gómez albert Comerma Joan Mauricio Rafel Manera Andreu Sanuy Daniel Guberman Roger Catala albert Espinya Marina Orta Oscar de la Torre David Gascon Departament de Física Quàntica i Astrofísica(FQA) Institut de Ciències del Cosmos(ICCUB)Universitat de Barcelona(UB)08028 BarcelonaSpain Institut d’Estudis Espacials de Catalunya(IEEC) 08034 BarcelonaSpain Electronics Department Serra Hunter fellow at Polytechnic University of Catalonia(UPC)08019 BarcelonaSpain

The BETA application-specific integrated circuit(ASIC)is a fully programmable chip designed to amplify,shape and digitize the signal of up to 64 Silicon photomultiplier(SiPM)channels,with a power consumption of approximately~1 mW/*** to its dual-path gain,the BETA chip is capable of resolving single photoelectrons(phes)with a signal-to-noise ratio(SNR)>5 while simultaneously achieving a dynamic range of~4000 ***,BETA can provide a cost-effective solution for the readout of SiPMs in space missions and other applications with a maximum rate below 10 *** this study,we describe the key characteristics of the BETA ASIC and present an evaluation of the performance of its 16-channel version,which is implemented using 130 nm *** ASIC also contains two discriminators that can provide trigger signals with a time jitter down to 400 ps FWHM for 10 *** linearity error of the charge gain measurement was less than 2%for a dynamic range as large as 15 bits.

关键词： Radiation detectors Silicon photomultipliers Photon sensors Front-end electronics Mixed-mode ASICs Space technology

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Will artificial intelligence widen the therapeutic gap between children and adults?

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Pediatric Investigation 2024年第1期8卷 1-6页

作者： Matthew Nagy Bryan Sisk albert Lai Eric Kodish Cleveland Clinic Lerner College of Medicine Case Western Reserve UniversityClevelandOhioUSA Department of Pediatrics Division of Hematology/OncologyWashington University School of MedicineSt.LouisMissouriUSA Department of Medicine Bioethics Research CenterWashington University School of MedicineSt.LouisMissouriUSA Institute for Informatics Washington University School of MedicineSt.LouisMissouriUSA Department of Pediatric Hematology Oncology and Blood and Marrow Transplantation Cleveland Clinic Children’sClevelandOhioUSA

The impending rise of artificial intelligence(AI)-powered healthcare offers exciting hope for improved care and outcomes in children with serious illnesses.1 The historical precedent in healthcare,however,suggests that advancements in adult care do not necessarily result in proportional progress in *** disparity was first noted in the mid-20th century when tragedies that involved drugs with well-studied and known adult safety profiles,such as sulfonamide elixir and thalidomide,resulted in harm to children due to limited pediatric clinical trial inclusion.2 As a result,legislation in 1962 required drug companies to include package labels that restricted or dissuaded the use of medications in children that were not properly studied in this population.2 Subsequently,physicians became reluctant to prescribe many medications,and pharmaceutical companies had little incentive to enroll children in trials as an unfavorable result could negatively impact sales in the adult market,and a successful outcome would only marginally increase the market pool.3 This lack of access led *** Shirkey to describe children as"therapeutic orphans"in 1968.2 After more than half a century of legislation aimed at increasing pediatric representation in research and drug development(Figure 1),enrollment of children in clinical trials remains disproportionately low,4 with children included in as few as 12%of trials for diseases with a burden equal to,or greater in,the pediatric versus adult population.

关键词： companies Figure properly

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Creating Benchmarks in Urban Planning and Architecture

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China Today 2024年第7期73卷 32-34页

作者： JUAN albert Gengdang Institute of Beijing University of Technology

While learning from others,China can contribute new technologies,work capacity,and industrial strength to restore harmony with *** an architect and designer I have had the opportunity to combine my profession with teaching in several universities such as the National Autonomous University of Mexico and the Elisava Barcelona School of Design and Engineering where I was a professor for more than 20 *** at Ekkoabit,an educational project on environmental awareness in Barcelona,I teach,share,and explore knowledge and experiences with students from all over the world.

关键词： harmony Barcelona universities

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Contraceptive behaviors and awareness in an urban slum community of south India

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Asian pacific Journal of Reproduction 2024年第4期13卷 160-168页

作者： Monica albert Sekhar Shanthi Edward Angeline Grace Sushmitha G Shirley Esther Priscilla Department of Community Medicine Sree Balaji Medical College and Hospital(SBMCH)ChennaiIndia

Objective:To assess the factors associated with knowledge,attitude and behavior of contraception use among urban slum population in ***:A cross-sectional study was conducted in the urban slum of Anakaputhur,*** couples between ages of 19-49 years and living in slum areas were taken up for the study by simple random *** women,postnatal and postmenopausal women were excluded from the *** collection was done using a pretested structured questionnaire focusing on details regarding contraception knowledge,attitude,and *** analysis was done using IBM SPSS version *** test like Chi square and odds ratio(OR)were used to identify association between knowledge,attitude,and behavior of contraception with the associated variables and enter method of logistic regression analysis was ***:Out of the 360 respondents,228 were females,with a mean age of(34±5)*** 43%demonstrated adequate knowledge of contraception use,and 91%were aware of at least one contraceptive ***,72%exhibited a positive attitude towards contraceptive ***,43%(155 individuals)did not utilize any contraceptive *** contraceptive users,intrauterine devices were the most commonly adopted,followed by barrier methods and female *** was significant association between knowledge of contraception and education(aOR 7.29,95%CI 2.93-18.10,P<0.05),age(aOR 2.04,95%CI 1.19-3.50,P<0.05)and socioeconomic class(aOR 3.66,95%CI 1.71-7.85,P<0.05;aOR 3.97,95%CI 2.12-7.49,P<0.05).Regarding attitude towards contraception use,education(aOR 8.54,95%CI 2.35-31.03,P<0.05),sex(aOR 0.15,95%CI 0.06-0.37,P<0.05),age(aOR 0.53,95%CI 0.28-0.99,P<0.05),socio-economic class(aOR 4.42,95%CI 1.97-9.92,P<0.05;aOR 9.83,95%CI 3.63-26.58,P<0.05)and number of children(aOR 10.04,95%CI 4.26-23.66,P<0.05)were the variables that had a significant ***:These findings underscore the imperative for enhanced d

关键词： Family planning Unmet need Sterilization Knowledge Practice Urban slum

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Game Theory based Optimal Defensive Resources Allocation with Incomplete Information in Cyber-physical Power Systems against False Data Injection Attacks

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Protection and Control of Modern Power Systems 2024年第2期9卷 115-127页

作者： Bingjing Yan Zhenze Jiang Pengchao Yao Qiang Yang Wei Li albert Y.Zomaya College of Electrical Engineering Zhejiang University College of Control Science and Engineering Zhejiang University College of Electrical Engineering Zhejiang UniversityHangzhou 310027China School of Information Technologies at The University of Sydney School of Information Technologies

Modern power grid is fast emerging as a complex cyber-physical power system(CPPS)integrating physical current-carrying components and processes with cyber-embedded computing,which faces increasing cy-berspace security threats and *** this paper,the state(i.e.,voltage)offsets resulting from false data injection(FDI)attacks and the bus safety characterization are applied to quantify the attack *** state offsets are obtained by the state estimation method,and the bus safety characterization considers the power net-work topology as well as the vulnerability and connection relationship of *** the indeterminacy of attacker’s resource consumption and reward,a zero-sum game-theoretical model from the defender’s perspective with incomplete information is explored for the optimal allocation of limited defensive *** attacker aims to falsify measurements without triggering threshold alarms to break through the protection,leading to load shedding,over-voltage or *** defender attempts to ensure the estimation results to be as close to the actual states as possible,and guarantee the system’s safety and efficient defensive resource *** proposed solution is extensively evaluated through simu-lations using the IEEE 33-bus test network and real-time digital simulator(RTDS)based testbed experiments of the IEEE 14-bus *** results demonstrate the effec-tiveness of the proposed game-theoretical approach for optimal defensive resource allocation in CPPS when lim-ited resources are available when under FDI *** Terms—Optimal strategy,game theory,Nash equilibrium,CPPS,FDI attack.

关键词： Optimal strategy game theory Nash equilibrium CPPS FDI attack

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Inferior vena cava reconstruction in extended right hepatectomy

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Hepatobiliary & Pancreatic Diseases International 2024年第5期23卷 533-534页

作者： Karin KY Ho Sui Ling Sin Kin Pan Au Henry HY Lee Daniel TL Chan albert Chan Department of Surgery The University of Hong Kong102 Pok Fu Lam RoadHong KongChina Department of Surgery Yan Chai Hospital7 Yan Chai StreetHong KongChina State Key Laboratory of Liver Research(Li Ka Shing Faculty of Medicine The University of Hong Kong)102 Pok Fu Lam RoadHong KongChina

To the Editor : Barcelona Clinic Liver Cancer(BCLC) Stage C hepatocellular carcinoma(HCC) with vascular invasion has been considered unresectable. However, the curative rate from systemic treatment is rather dismal. Even with the use of immunotherapy, complete remission is less than 10% [ 1 ]. On the contrary, recent advances in transplant oncology, especially in the application of liver transplant-related surgical techniques in complex liver resections, make the operation possible for patients with locally advanced HCC who were previously considered to be unresectable [ 2 ]. We hereby present the surgical management of a patient with giant HCC in right liver lobe with inferior vena cava(IVC) invasion.

关键词： invasion vena Liver

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Solitary extraovarian primary peritoneal carcinoma with direct invasion into the liver,diaphragm and lung without peritoneal dissemination or distant metastasis

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Hepatobiliary & Pancreatic Diseases International 2024年第3期23卷 322-325页

作者： Billy Ho Hung Cheung Wong Hoi She Siu Lun Ho albert Chi Yan Chan Chung Mau Lo Tan To Cheung Department of Surgery The University of Hong KongHong KongChina Department of Pathology The University of Hong KongHong KongChina

To the Editor:Extraovarian primary peritoneal carcinoma(EOPPC)is an uncommon malignancy with many similarities to epithelial ovarian carcinoma in histological,clinical,and etiological aspects[1].This phenomenon is explained by their common embryonal origin,in which both develop from the coelomic epithelium in the early embryological *** their similarities,the incidence of EOPPC is significantly lower than that of epithelial ovarian carcinoma(6.78 cases per million vs.120.5 cases per million)[1].

关键词： peritoneal invasion metastasis

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