检索结果-南通市图书馆

同方期刊数据库

From BIM model to 3D construction printing:A framework proposal

在线全文

学校读者我要写书评

暂无评论

Frontiers of Architectural Research 2024年第4期13卷 912-927页

作者： Rodrigo García-Alvarado Pedro Soza Ginnia Moroni Fernando Pedreros Martín Avendaño Pablo Banda Cristian Berríos Depto.Diseño y Teoría de La Arquitectura Universidad Del Bío-BíoConcepciónChile Depto.Arquitectura Universidad de ChileSantiagoChile Facultad de Ingeniería Arquitectura y DiseñoUniversidad San SebastiánConcepciónChile Facultad de Arquitectura Arte y DiseñoUniversidad Diego PortalesSantiagoChile

The growth of 3D construction printing needs appropriate integration into the planning and execution phases of building *** this aim,the Architecture,Engineering,and Construction sector(AEC)has been increasingly adopting building information modeling(BIM)systems to synchronize design and construction *** study proposes a technical workflow to manage 3D construction printing into BIM models,evaluating various procedures according to construction element *** on mature software platforms,the research details the data transfer process using a case study of a single-story *** case delves into design procedures for constructing walls of varied shapes,adjustments in width,joints,openings,textures,fillings,and the insertion of reinforcements and services while also discussing requirements of other building *** steps for managing design information and controlling printing machines are *** study’s outcome presents a comprehensive information flow,encompassing model segmentation,geometric data transfer,adjustments of details,and the generation of printing ***,it is offered a discussion that underlines the importance of a synergistic digital information flow that merges both design and execution phases,promoting construction efficiency and the embrace of innovative *** contribution of the paper focuses on technical design strategies for 3D construction printing,but also on suggesting an integrated process.

关键词： 3D construction printing Additive manufacturing Architectural design BIM

Single atom Cu-N-C catalysts for the electro-reduction of CO_(2) to CO assessed by rotating ring-disc electrode

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2024年第1期88卷 169-182,I0004页

作者： S.Pérez-Rodríguez M.Gutiérrez-Roa C.Giménez-Rubio D.Ríos-Ruiz P.Arévalo-Cid M.V.Martínez-Huerta A.Zitolo M.J.Lázaro D.Sebastián Instituto de Carboquímica(CSIC) Miguel Luesma Castán 450018 ZaragozaSpain Instituto de Catálisis y Petroleoquímica(CSIC) Marie Curie 228049 MadridSpain Synchrotron SOLEIL L’Orme des MerisiersDépartementale 12891190France

The electrochemical CO_(2) reduction reaction(CO_(2)RR) to controllable chemicals is considered as a promising pathway to store intermittent renewable energy. Herein, a set of catalysts based on copper-nitrogendoped carbon xerogel(Cu-N-C) are successfully developed varying the copper amount and the nature of the copper precursor, for the efficient CO_(2)RR. The electrocatalytic performance of Cu-N-C materials is assessed by a rotating ring-disc electrode(RRDE), technique still rarely explored for CO_(2)RR. For comparison, products are also characterized by online gas chromatography in a H-cell. The as-synthesized Cu-NC catalysts are found to be active and highly CO selective at low overpotentials(from -0.6 to -0.8 V ***) in 0.1 M KHCO_(3), while H_(2) from the competitive water reduction appears at larger overpotentials(-0.9 V vs. RHE). The optimum copper acetate-derived catalyst containing Cu-N_(4) moieties exhibits a CO_(2)-to-CO turnover frequency of 997 h^(-1) at -0.9 V vs. RHE with a H_(2)/CO ratio of 1.8. These results demonstrate that RRDE configuration can be used as a feasible approach for identifying electrolysis products from CO_(2)RR.

关键词： Cu-N-C Carbon xerogel Rotating ring disc electrode Carbon dioxide reduction reaction Carbon monoxide

Light at night and lung cancer risk:A worldwide interdisciplinary and time-series study

在线全文

学校读者我要写书评

暂无评论

Chinese Medical Journal Pulmonary and Critical Care Medicine 2024年第1期2卷 56-62页

作者： Runchen Wang Qixia Wang Jianfu Li Jianrong Zhang Shixuan Lyu Wenhao Chi Zhiming Ye Xuanzhuang Lu Ying Shi Yubin Wang Xinjian Wu Ruiyu Hu Mónica Pérez-Ríos Jianxing He Wenhua Liang Department of Thoracic Surgery and Oncology The First Affiliated Hospital of Guangzhou Medical UniversityState Key Laboratory of Respiratory DiseaseNational Clinical Research Center for Respiratory DiseaseGuangzhou Institute of Respiratory HealthGuangzhouGuangdong 510120China Department of Respiratory Disease China State Key Laboratory of Respiratory Disease and National Clinical Research Center for Respiratory DiseaseThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhouGuangdong 510120China Centre for Cancer Research&Department of General Practice Faculty of MedicineDentistry and Health SciencesUniversity of MelbourneVictorian Comprehensive Cancer CentreMelbourneVictoria 3010Australia Department of Civil Engineering University of BristolBristolBS81TRUK Academy of Mathematics and Systems Science Chinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Nanshan School Guangzhou Medical UniversityGuangzhouGuangdong 511436China State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing Wuhan UniversityWuhanHubei 430079China GNSS Research Center Wuhan UniversityWuhanHubei 430079China First Clinical School Guangzhou Medical UniversityGuangzhouGuangdong 511436China Preventive Medicine and Public Health Department University of Santiago de CompostelaCIBER de Epidemiología y Salud Pública(CIBERESP)Health Research Institute of Santiago de Compostela(IDIS)Santiago de CompostelaGalicia 15782Spain Southern Medical University GuangzhouGuangdong 510515China

Background:Light at night(LAN)has become a concern in interdisciplinary research in recent *** global interdisciplinary study aimed to explore the exposure-lag-response association between LAN exposure and lung cancer ***:LAN data were obtained from the Defense Meteorological Satellite Program’s Operational Linescan *** of lung cancer incidence,socio-demographic index,and smoking prevalence of populations in 201 countries/territories from 1992 to 2018 were collected from the Global Burden of Disease *** correlation tests and population-weighted linear regression analysis were used to evaluate the correlation between LAN exposure and lung cancer incidence.A distributed lag nonlinear model(DLNM)was used to assess the exposure-lag effects of LAN exposure on lung cancer ***:The Spearman correlation coefficients were 0.286-0.355 and the population-weighted linear regression correlation coefficients were *** adjustment for socio-demographic index and smoking preva-lence,the Spearman correlation coefficients were 0.264-0.357 and the population-weighted linear regression correlation coefficients were *** the DLNM,the maximum relative risk was 1.04(1.02-1.06)at LAN exposure of 8.6 with a 2.6-year lag *** adjustment for socio-demographic index and smoking prevalence,the maximum relative risk was 1.05(1.02-1.07)at LAN exposure of 8.6 with a 2.4-year lag ***:High LAN exposure was associated with increased lung cancer incidence,and this effect had a specific lag *** with traditional individual-level studies,this group-level study provides a novel paradigm of effective,efficient,and scalable screening for risk factors.

关键词： Light at night Satellite imagery Lung cancer Distributed lag nonlinear model(DLNM) Melatonin

Characterisation of the Bacteria and Archaea Community Associated with Wild Oysters, At Three Possible Restoration Sites in the North Sea

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Marine Science 2024年第2期14卷 19-40页

作者： Natacha M. S. Juste-Poinapen Yang Lu Blanca Bolaños De Hoyos George C. Birch Camille Saurel Oyster Heaven Rotterdam Netherlands Nucleus Rotterdam Netherlands Microbial Ecology and Wastewater Microbiology Queensland University of Technology Brisbane Australia National Institute of Aquatic Resources Technical University of Denmark Lyngby Denmark

With 85% of the global oyster reefs destroyed, there is an urgent need for large scale restoration to benefit from the ecosystem services provided by biogenic oyster reefs and their associated biodiversity, including microorganisms that drive marine biogeochemical cycles. This experiment established a baseline for the monitoring of the bacterial and archaeal community associated with wild oysters, using samples from their immediate environment of the Voordelta, with cohabiting Crassostrea gigas and ostrea edulis, Duikplaats with only C. gigas attached to rocks, and the Dansk Skaldyrcentre, with no onsite oysters. The microbial profiling was carried out through DNA analysis of samples collected from the surfaces of oyster shells and their substrate, the sediment and seawater. Following 16S rRNA amplicon sequencing and bioinformatics, alpha indices implied high species abundance and diversity in sediment but low abundance in seawater. As expected, Proteobacteria, Bacteroidetes, Firmicutes and Thaumarchaeota dominated the top 20 OTUs. In the Voordelta, OTUs related to Colwellia, Shewanella and Psychrobium differentiated the oysters collected from a reef with those attached to rocks. Duikplaats were distinct for sulfur-oxidizers Sulfurimonas and sulfate-reducers from the Sva 0081 sediment group. Archaea were found mainly in sediments and the oyster associated microbiome, with greater abundance at the reef site, consisting mostly of Thaumarchaeota from the family Nitrosopumilaceae. The oyster free site displayed archaea in sediments only, and algal bloom indicator microorganisms from the Rhodobacteraceae, Flavobacteriaceae family and genus [Polaribacter] huanghezhanensis, in addition to the ascidian symbiotic partner, Synechococcus. This study suggests site specific microbiome shifts, influenced by the presence of oysters and the type of substrate.

关键词： Oyster Reefs Microbiome Marine Bacteria Marine Archaea Restoration

Assessment of the Indirect Cost of Drug Resistant Tuberculosis Treatment to Patients in a High Burden, Low Income Setting in Mozambique

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Tuberculosis Research 2024年第2期12卷 91-104页

作者： Júlia Malache António Domingas Pacala Isabelle Munyangaju Isaías Benzana Claudia Mutaquiha Dulce osório Benedita José Edy Nacarapa Pereira Zindoga Faculdade de Cincias de Sade Universidade Catlica de Moambique Beira Moambique Programa Nacional de Controlo da Tuberculose Ministrio da Sade de Moambique Maputo Moambique ISGlobal Hospital Clnic Universitat de Barcelona Barcelona Spain Tinpswalo Association Vincentian Association to Fight AIDS and TB Chokwe Mozambique Centro de Estudos e Apoio Psicolgico (CEAP) Universidade Eduardo Mondlane Maputo Moambique

Introduction: Tuberculosis is closely linked to poverty, with patients facing significant indirect treatment costs. Treating drug-resistant tuberculosis further increases these expenses. Notably, there is a lack of published data on the indirect costs incurred by patients with drug-resistant tuberculosis in Mozambique. Objective: To assess the indirect costs, income reduction, and work productivity incurred by patients undergoing diagnosis and treatment for Drug-Resistant Tuberculosis (DRTB) in Mozambique during their TB treatment. Methods: As part of a comprehensive mixed-methods study conducted from January 2021 to April 2023, this research utilized a descriptive cross-sectional approach, incorporating both quantitative and qualitative methods. The primary goal was to evaluate the costs incurred by the national health system due to drug-resistant TB. Additionally, to explore the indirect costs experienced by patients and their families during treatment, semi-structured interviews were conducted with 27 individuals who had been undergoing treatment for over six months. Results: All survey participants unanimously reported a significant decline in labour productivity, with 70.3% experiencing a reduction in their monthly income. Before falling ill, the majority of respondents (33.3%) earned up to $76.92 monthly, representing the minimum earnings range, while 29.2% had a monthly income above $230.77, the maximum earnings range. Among those who experienced income loss, the majority (22.2%) reported a decrease of up to $76.92 per month, and 18.5% cited a loss exceeding $230.77 per month. Notably, patients with Drug-Resistant Tuberculosis (DRTB) have not incurred the direct costs of the disease, as these are covered by the government. Conclusion: The financial burden of treating Drug-Resistant Tuberculosis (DRTB), along with the income reduction it causes, is substantial. Implementing a patient-centred, multidisciplinary, and multisector approach, coupled with strong psy

关键词： Economic Costs Drug Resistance Tuberculosis Catastrophic Costs

An Analysis of the Accounting Costs Associated with 20-Month DR TB Regimens in Maputo City, Mozambique

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Tuberculosis Research 2024年第2期12卷 73-90页

作者： Júlia Malache António Isaías Benzana Isabelle Munyangaju Benedita José Dulce osório Edy Nacarapa Claudia Mutaquiha Simeão Nhabinde Pereira Zindoga Universidade Catlica de Moambique Beira Moambique Centro de Estudos e Apoio Psicolgico (CEAP) Universidade Eduardo Mondlane Maputo Moambique ISGlobal Hospital Clnic Universitat de Barcelona Barcelona Spain Tinpswalo Association Vincentian Association to Fight AIDS and TB Chokwe Mozambique Programa Nacional de Controlo da Tuberculose Ministrio da Sade de Moambique Maputo Mozambique Faculdade de Economia Universidade Eduardo Mondlane Maputo Moambique

Introduction: Socioeconomic and demographic conditions in a country can influence tuberculosis incidence and mortality, with nearly 95% of tuberculosis-related deaths occurring in poorer countries. Mozambique is among the 30 countries with the highest TB burden. Objective: The study aimed to estimate the average direct medical cost of treating drug-resistant tuberculosis in 19 health centers in Maputo City, Mozambique. Methods: A retrospective analysis of direct medical costs was conducted on patients aged 18 and older who completed 20-month drug-resistant tuberculosis treatment regimens in Maputo City in 2019. Results: This analysis covered 140 patients who completed a 20-month treatment regimen, with 64.3% (78) being male and 35.7% (62) female. Approximately 50% of the participants were aged between 29 and 47. The average direct medical cost of DRTB treatment was $4789.43, reaching up to $6568.00, with a standard deviation of $753.26, including clinical interventions and treatment. Conclusion: The direct medical costs for a basic treatment package for a patient with drug-resistant TB in Mozambique equal 36 minimum wages. Developing alternative and innovative funding mechanisms and identifying ways to mitigate costs through the use of generic medicines would be beneficial.

关键词： Antitubercular Agents Multidrug-Resistant Healthcare Costs Tuberculosis Mozambique

Three-dimensional Weyl topology in one-dimensional photonic structures

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Light(Science & Applications) 2022年第7期11卷 1337-1338页

作者： Kosmas L.Tsakmakidis Tomasz P.stefański Section of Condensed Matter Physics Department of PhysicsNational and Kapodistrian University of AthensPanepistimioupolisGR-15784 AthensGreece Faculty of Electronics Telecommunicationsand InformaticsGdansk University of Technology80-233 GdanskPoland

Topological features,in particular distinct band intersections known as nodal rings,usually requiring three-dimensional structures,have now been demonstrated experimentally in an elegantly simple one-dimensional photo... 详细信息

关键词： crystal. dimensional topology

On determining the weight of edges in map-representing graphs-applications of heuristic methods in planning escape routes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Traffic and Transportation Engineering(English Edition) 2022年第6期9卷 1027-1043页

作者： Marta Borowska-stefańska MichałKowalski Filip Turoboś Szymon Wiśniewski Institute of the Built Environment and Spatial Policy Faculty of Geographical SciencesUniversity of LodzŁódź90–137Poland Institute of Mathematics Lodz University of TechnologyŁódź90–924Poland

In the paper we discuss and compare two commonly used methods of finding the shortest paths in networks,namely Dijkstra’s and A**** compare their effectiveness in terms of traversing road network in circumstances that require swift decision making in the event of dynamically changing road conditions on the basis of studies conducted for evacuation *** build a proper model of such a network,a method of appropriate edge-weighting is introduced,based on empirical data collected by other ***,we use the basics of the theory of quasimetric spaces to introduce a heuristic to such graphs,which is easy to calculate *** heuristic we obtain is both admissible and consistent,which allows us to use it efficiently in A*search *** developed application can be used in studies into evacuation from hazardous *** this case,optimum calculative efficiency is achievable with a simultaneous reduction of calculation time(when compared to Dijkstra’s algorithm).Our application can be applied during the first stage,i.e.,prior to the occurrence of a disaster,since this is an appropriate time for preparation by planning,drilling,early warning,and designating the rescue services that are to participate in the following stages.

关键词： A*algorithm Dijkstra Heuristic methods Mathematical modelling Quasimetric spaces Planning escape routes

In-situ nonvolatile and volatile modulation for optical neural networks

在线全文

学校读者我要写书评

暂无评论

Advanced Photonics 2023年第5期5卷 1-2页

作者： Carlos A.Ríos Ocampo University of Maryland Department of Materials Science&EngineeringCollege ParkMarylandUnited States University of Maryland Institute for Research in Electronics and Applied PhysicsCollege ParkMarylandUnited States

High-performance integrated optical memristors are crucial in developing optical neural networks based on in-memory *** devices are building blocks capable of modulating the transmission of a propagating mode in a multilevel and nonvolatile fashion,thus allowing storage and multiplication of analog signals in the same device.1 Chalcogenide phase change materials(PCMs)are candidates for high-performance devices.

关键词： optical networks neural