检索结果-南通市图书馆

Indoor Air Mycological Survey and Occupational Exposure in Libraries in Mato Grosso-Central Region—Brazil

Advances in Microbiology 2018年第4期8卷 324-353页

作者： Diniz pereira Leite Júnior Ronaldo Sousa pereira Washington Santos de Almeida sara de Almeida Alves Simoes Ana Caroline Akeme Yamamoto Janaina Vasconcellos Ribeiro de Souza Evelin Rodrigues Martins Fábio Alexandre Leal dos Santos Rosane Christine Hahn Faculty of Medicine Post Graduate Course in Health Sciences-Federal University of Mato Grosso(UFMT)CuiabáMTBrazil Specialized Medical Mycology Center Federal University of Mato Grosso(UFMT)CuiabáMTBrazil University Center of Várzea Grande(UNIVAG) Várzea GrandeMGBrazil Faculty of Medicine of Sao Josédo Rio Preto(FAMERP) Sao PauloSPBrazil

Background: Indoor air quality in environments where there is great circulation of people, posing risks to the health of its occupants, including allergic problems, infections and contaminations, can be aided by climatic factors, chemicals and biological agents housed in these environments, influencing the location and providing favorable conditions for the degradation of bibliographic collections. The present study investigated the presence of fungi in indoor environments in seven public and private libraries in the central region of Brazil, Mato Grosso, and verified the impact on occupational health. Results: A total of 26,194 fungal specimens were isolated from 342 dust samples collected using three techniques: Andersen’s sampler (12.3%), exposure plate dish (25.1%) and sterile swab (62.6%). A total of 184 fungal species were identified: 156 (84.8%) mycelial fungi and 28 (15.2%) yeast fungi, belonging 54 fungal genera, 43 (79.6%) mycelial fungi and 11 (20.4%) yeast fungi. The genus Aspergillus (40.6%) was one of the main fungi present in indoor air. Aspergillus niger (12.3%) was identified as the most prevalent species in literary environments, followed by Cryptococcus spp. (7.1%) and Cladosporium cladosporioides (7.0%). In relation to seasonal distribution, there was a greater fungal isolation in the dry season (54%);followed by the rainy season (46%). Conclusion: These results suggest the substrates researched in the evaluated environments presented in the form of documents, books and papers associated with dust and air humidity become suitable for microbiological proliferation. These findings highlight the importance of minimizing the risk of exposure to fungal agents, identified in pathogenic and toxigenic microenvironments in library collections.

关键词： Biological Hazards Library Collections Anemophilous Fungi Indoor Air Quality

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Main Polysaccharides Isolated and Quantified of Aloe vera Gel in Different Seasons of the Year

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Food and Nutrition Sciences 2016年第6期7卷 447-453页

作者： Berenice Aranda Cuevas Carlos Hernán Herrera Méndez Ignacio Islas Flores sara Solís-pereira Luis Cuevas-Glory Gerardo Rivera Muñoz María de Lourdes Vargas y Vargas Jorge Tamayo Cortez Research and Postgraduate Division Instituto Tecnológico de Mérida Mérida Mexico Agroindustrial Engineering Department Universidad de Guanajuato Campus Celaya-Salvatierra Salvatierra México Centro de Investigación Científica de Yucatán Mérida México

We developed and implemented a methodology that allowed extracting and evaluating high molecular weight polysaccharides present in the gel of Aloe barbadensis Miller. One of the fractions evaluated revealed the presence of high molecular weight carbohydrates (200 kDa) with a behavior similar to that of acemannan and another fraction with compounds of molecular weights between 17 and 47 kDa. We quantified the concentration of acemannan for two different growing periods. The concentration of acemannan in the high molecular weight fraction was 99.97 ppm in the rainy season and 106.03 ppm in the dry season. The concentration of acemannan in the fraction of low molecular weight was 9.364 ppm during the season of greatest rainfall and 26.939 ppm in the dry season.

关键词： Acemannan Aloe vera Gel Polysaccharides Rainy Season Dry Season

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Modeling of the Leaf Area of <i>Maytenus obtusifolia</i>Mart. from Scanned Images

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Agricultural Sciences 2019年第6期10卷 796-806页

作者： Vinicius de Souza Oliveira Karina Tiemi Hassuda dos Santos Ana Paula Braido Pinheiro Gleyce pereira Santos Jéssica Sayuri Hassuda Santos Hérica Chisté Omar Schmildt sara Dousseau Arantes Marcio Paulo Czepak Adriano Alves Fernandes Edilson Romais Schmildt Postgraduate Program in Tropical Agriculture Federal University of Espírito Santo S&#227 o Mateus ES Brazil Departament of Agrarian and Biological Sciences Federal University of Espírito Santo S&#227 o Mateus ES Brazil Capixaba Institute for Research Technical Assistance and Rural Extension Regional Center for Rural Development Linhares Brazil

The leaf has a vital role in the functions of the plant, being responsible for photosynthesis and gas exchange. Thus, the objective of this study was to fit a mathematical equation model to estimate the leaf area of Maytenus obtusifolia Mart. through the linear dimensions of the leaves. For that, six hundred and fifteen healthy leaves were collected from plants belonging to the Federal University of Espírito Santo, São Mateus Campus, in the municipality of São Mateus, located in the north of the State of Espírito Santo, Brazil. All leaves were digitized and the images processed using the ImageJ®software, obtaining the measurements of the maximum length of the main midrib (L), the maximum width of the leaf blade (W) and the real leaf area (RLA) of each sheet. Subsequently, the product of length and width multiplication (LW) was also obtained. 500 sheets were randomly separated for the generation of models of mathematical equations and their respective coefficient of determination (R2), where RLA was used as dependent variable as function of L, W or LW as independent variable. Based on the models generated, a 115 leaf sample was used for validation, where the L, W and LW values of this sample were replaced in the adjusted equations, thus obtaining the estimated leaf area (ELA). A comparison of the means of RLA and ELA was performed by Student’s t test at 5% probability. We also calculated the mean absolute error (MAE), the root mean square error (RMSE) and the Willmott index (d). The best equation was defined by the following criteria: non-significant values of RLA and ELA averages, R2 and index d closest to unit, and MAE and RMSE values with greater proximity to zero. The quadratic model equation represented by ELA=0.18122798+0.72847767(LW)+0.00002789(LW)2 generated by multiplying the length with the width (LW) is the most suitable for the estimation of the leaf area of Maytenus obtusifolia Mart., in a fast, safe and non-destructive way.

关键词： Maytenus obtusifolia Mart Non-Destructive Method Mathematical Equations

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Antioxidant Activity and Phytochemical Profile of Spondias tuberosa Arruda Leaves Extracts

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American Journal of Plant Sciences 2015年第19期6卷 3038-3044页

作者： Amanda D.A.Uchoa Weslley F.Oliveira Aline P.C.pereira Alexandre G.Silva Bruna M.P.C.cordeiro Carolina B.Malafaia Clébia M.A.Almeida Nicácio H.Silva Juliana F.C.Albuquerque Márcia V.Silva Maria T.S.Correia Departamento de Bioquímica Centro de Ciências BiológicasUniversidade Federal de PernambucoRecifeBrazil Instituto Nacional do Semiárido(INSA) Campina GrandeBrazil Departamento de Antibióticos Centro de Ciências BiológicasUniversidade Federal de PernambucoRecifeBrazil

Spondias tuberosa Arruda (umbuzeiro), a Brazilian semiarid plant, is a species of great economic, social, and ecological importance. In folk medicine, the leaves have been used in the treatment of diabetes, inflammation, stomach and uterine pains, and constipation. In this study, the antioxidant properties of ethyl acetate and methanol leaves extracts were evaluated in vitro using different methods: free radicals elimination by DPPH and ABTS assays, and transition metal reduction by phosphomolybdenium assay. In addition, a phytochemical study was also carried out. The methanolic leaves extracts showed the strongest antioxidant activity and the higher values for total phenolic and flavonoids. The results showed that S. tuberosa leaves have antioxidant activity and this seems to be related to the phenolic content.

关键词： Umbuzeiro Phenolic Compounds Flavonoids Antioxidants

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Immune response to Helicobacter pylori infection and gastric cancer development

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World Journal of Meta-Analysis 2021年第3期9卷 257-276页

作者： Breno Bittencourt de Brito Fabian Fellipe Bueno Lemos Caroline da Mota Carneiro Andressa Santos Viana Nilo Manoel pereira Vieira Barreto Gabriela Alves de Souza Assis Barbara Dicarlo Costa Braga Maria Luísa cordeiro Santos Filipe Antônio França da Silva Hanna Santos Marques Natália Oliveira e Silva Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Campus Vitória da Conquista Universidade Estadual do Sudoeste da BahiaVitória da Conquista 45031900BahiaBrazil

Gastric adenocarcinoma is a global health concern,and Helicobacter pylori(***)infection is the main risk factor for its *** note,the immune response against the pathogen seems to be a determining factor for gastric oncogenesis,and increasing evidence have emphasized several host and bacterium factors that probably influence in this *** development of an inflammatory process against *** involves a wide range of mechanisms such as the activation of pattern recognition receptors and intracellular pathways resulting in the production of proinflammatory cytokines by gastric epithelial *** process culminates in the establishment of distinct immune response profiles that result from the cytokine-induced differentiation of T naïve cells into specific T helper *** released from each type of T helper cell orchestrate the immune system and interfere in the development of gastric cancer in idiosyncratic ***,variants in genes such as single nucleotide polymorphisms have been associated with variable predispositions for the occurrence of gastric malignancy because they influence both the intensity of gene expression and the affinity of the resultant molecule with its *** addition,various repercussions related to some *** virulence factors seem to substantially influence the host immune response against the infection,and many of them have been associated with gastric tumorigenesis.

关键词： Gastric cancer Helicobacter pylori Immune response Virulence factors Polymorphisms

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Efficiency in Teaching Speaker and Listener Repertoires:Comparing Three Instructional Sequences in Autistic Children

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Psychology Research 2023年第6期13卷 235-245页

作者： Daniel Carvalho de Matos Pollianna Galvão Soares de Matos Neylla Cristina pereira cordeiro Katiane Reis da Silva Universidade Ceuma Brasil Universidade Federal do Maranhão and Instituto EvoluirSão Luís cityBrazil Universidade Ceuma and Instituto Evoluir São Luís cityBrazil

Previous studies have investigated the efficiency in teaching listener and speaker repertoires in children diagnosed with autism spectrum disorder(ASD).Some investigations focused on listener responding by function,feature,and class(LRFFC)and intraverbal by function,feature,and class(FFC).For some children,teaching intraverbal FFC was more efficient because it resulted in a better emergence effect of a related untaught repertoire(LRFFC).For other children,teaching LRFFC along with tacting pictures was more efficient,resulting in a better emergence effect of a related untaught repertoire(intraverbal FFC).In these cases,it is not clear whether the tact increased the efficiency of LRFFC training because a comparison with a condition in which tacts were not required was not *** investigation consisted of a replication with two children diagnosed with *** instructional sequences were compared:teaching LRFFC-probing intraverbal;teaching LRFFC+tacts-probing intraverbal;teaching intraverbal-probing *** a child,all sequences were equally efficient because all related untaught repertoires emerged without ***,the acquisition of intraverbals during training occurred with *** the case of the second child,the most efficient sequence consisted of teaching intraverbals,resulting in the emergence of LRFFC without *** both cases of teaching LRFFC,the emergence of related intraverbals was partial and acquisition of the trained repertoires occurred with *** case that did not demand tact responses was slightly more *** were discussed in the sense that the best instructional sequence may vary from learner to learner.

关键词： autism spectrum disorder listener repertoire speaker repertoire efficiency

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多功能农用车设计,农业生产中的全能助手

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工业设计 2023年第12期 24-24页

作者： Diogo Lampreia Bernardo pereira sara Pedro 不详

Harto是一个能应用在农业生产多个环节的多功能车。Harto根据农民在生产环境中的真实需求而设计,各个模块直接对应不同的生产阶段,主要目的是帮助农民在生产中提高效率,减轻身体负担。无人机模块主要为Harto所执行的各种任务提供支持,... 详细信息

Harto是一个能应用在农业生产多个环节的多功能车。Harto根据农民在生产环境中的真实需求而设计,各个模块直接对应不同的生产阶段,主要目的是帮助农民在生产中提高效率,减轻身体负担。无人机模块主要为Harto所执行的各种任务提供支持,例如事先绘制路线、绘制操作地图等,确保Harto顺利开展各项工作。此外,无人机可降落在车辆顶部的充电平台上。

关键词：真实需求多功能车农用车无人机农业农民提高效率

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Person-centered Care for Institutionalized Older Adults in the Context of the COVID-19 Pandemic in Brazil

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Journal of Geriatric Medicine 2022年第1期4卷 1-9页

作者： Marina Celly Martins Ribeiro de Souza Natalia de Cassia Horta Marco Aurélio Santos pereira Júlia das Graças Rodrigues de Almeida Jasmine Yee Leonardo Ayres cordeiro TaináRodrigues Gomide Souza Pinto Constance Kartoz Department of Public Health The College of New JerseyUSA Department of Medicine Pontifical Catholic University of Minas GeraisBrazil Department of Nursing Pontifical Catholic University of Minas GeraisBrazil Department of Economics Pontifical Catholic University of Minas GeraisBrazil Business and Accounting Department of the Federal University of Viçosa Brazil Department of Nursing The College of New JerseyUSA

Objective:This study aims to discuss the caregiving practices developed by Long-term Care Facilities(LTCFs)during the COVID-19 pandemic and analyze the daily care practices in long-term institutions for older adults in Brazil,all in light of the PCC ***:This is a mixed methods study in which data were collected through interviews with managers from 10 *** qualitative discussion was carried out through the PCC framework divided into 5 categories:leisure,accommodation,food,hygiene and comfort,and clinical *** quantitative data collected were analyzed in a descriptive way,being discussed in the light of the ***:Analyzed LTCFs are unaware of our present difficulties in the implementation of PCC,with a greater presence of the traditional biomedical model being *** the vulnerabilities that the LTCFs present,PCC is an important alternative for LTCFs to promote the quality of life and autonomy of *** the vision of LTCFs as a last resort of care and investing in the quality of care is an urgent and essential imperative for dignified and comprehensive ***:This study highlights the need for a change in culture and understanding of the LTCFs not only as a place to provide healthcare,but also as a residents’home that fosters their autonomy,and feeling of ***,it is essential to ensure that healthcare teams in LTCFs know about PCC and that further studies investigate the impact on the costs of PCC for institutionalized older adults.

关键词： Pandemic COVID-19 Long-term care facilities Person-centered care Institutionalized older adults

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Improving ITS sequence data for identification of plant pathogenic fungi

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Fungal Diversity 2014年第4期67卷 11-19页

作者： R.Henrik Nilsson Kevin D.Hyde Julia Pawlowska Martin Ryberg Leho Tedersoo Anders Bjornsgard Aas Siti A.Alias Artur Alves Cajsa Lisa Anderson Alexandre Antonelli A.Elizabeth Arnold Barbara Bahnmann Mohammad Bahram Johan Bengtsson-Palme Anna Berlin sara Branco Putarak Chomnunti Asha Dissanayake Rein Drenkhan Hanna Friberg Tobias Guldberg Froslev Bettina Halwachs Martin Hartmann Beatrice Henricot Ruvishika Jayawardena Ari Jumpponen Havard Kauserud Sonja Koskela Tomasz Kulik Kare Liimatainen Bjorn D.Lindahl Daniel Lindner Jian-Kui Liu Sajeewa Maharachchikumbura Dimuthu Manamgoda Svante Martinsson Maria Alice Neves Tuula Niskanen Stephan Nylinder Olinto Liparini pereira Danilo Batista Pinho Teresita M.Porter Valentin Queloz Taavi Riit Marisol Sánchez-García Filipe de Sousa Emil Stefańczyk Mariusz Tadych Susumu Takamatsu Qing Tian Dhanushka Udayanga Martin Unterseher Zheng Wang Saowanee Wikee Jiye Yan Ellen Larsson Karl-Henrik Larsson Urmas Koljalg Kessy Abarenkov Department of Biological and Environmental Sciences University of GothenburgBox 46140530 GothenburgSweden Institute of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Department of Plant Systematics and Geography Faculty of BiologyUniversity of WarsawAl.Ujazdowskie 400-478 WarsawPoland Department of Organismal Biology Uppsala UniversityNorbyvagen 18D75236 UppsalaSweden Institute of Ecology and Earth Sciences University of TartuLai 40Tartu 51005Estonia Microbial Evolution Research Group University of OsloBlindernveien 310371 OsloNorway Institute of Biological Sciences University of Malaya50603 Kuala LumpurMalaysia Department of Biology CESAMUniversity of Aveiro3810-193 AveiroPortugal School of Plant Sciences The University of Arizona1140 E South Campus DriveForbes 303TucsonAZ 85721USA Laboratory of Environmental Microbiology Institute of Microbiology ASCRVídeňská108314220 Prague 4Czech Republic Department of Infectious Diseases Institute of BiomedicineSahlgrenska AcademyUniversity of GothenburgGuldhedsgatan 1041346 GoteborgSweden Department of Forest Mycology and Plant Pathology Swedish University of Agricultural SciencesBox 702675007 UppsalaSweden University of California at Berkeley 321 Koshland Hall University of CaliforniaBerkeleyCA 94720-3102USA Agriculture and Forestry Sciences Beijing 100097China Institute of Forestry and Rural Engineering Estonian University of Life SciencesKreutzwaldi551014 TartuEstonia Natural History Museum of Denmark Øster Voldgade 5-71350 København KDenmark Institute for Genomics and Bioinformatics Graz University of Technology8010 GrazAustria Core Facility Bioinformatics Austrian Centre of Industrial Biotechnology8010 GrazAustria Forest Soils and Biogeochemistry Swiss Federal Research Institute WSLZuercherstrasse 1118903 BirmensdorfSwitzerland Molecular Ecology Institute for Sustainability SciencesAgroscopeReckenholzstrasse 191

Plant pathogenic fungi are a large and diverse assemblage of eukaryotes with substantial impacts on natural ecosystems and human *** taxa often have complex and poorly understood life cycles,lack observable,discriminatory morphological characters,and may not be amenable to in vitro *** a result,species identification is frequently ***(DNA sequence)data have emerged as crucial information for the taxonomic identification of plant pathogenic fungi,with the nuclear ribosomal internal transcribed spacer(ITS)region being the most popular ***,international nucleotide sequence databases are accumulating numerous sequences of compromised or low-resolution taxonomic annotations and substandard technical quality,making their use in the molecular identification of plant pathogenic fungi *** we report on a concerted effort to identify high-quality reference sequences for various plant pathogenic fungi and to re-annotate incorrectly or insufficiently annotated public ITS sequences from these fungal lineages.A third objective was to enrich the sequences with geographical and ecological *** results-a total of 31,954 changes-are incorporated in and made available through the UNITE database for molecular identification of fungi(http://***),including standalone FASTA files of sequence data for local BLAST searches,use in the next-generation sequencing analysis platforms QIIME and mothur,and related *** present initiative is just a beginning to cover the wide spectrum of plant pathogenic fungi,and we invite all researchers with pertinent expertise to join the annotation effort.

关键词： Phytopathogenic fungi Molecular identification ITS Taxonomy Annotation

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Performance and calibration of quark/gluon-jet taggers using 140 fb^(-1) of pp collisions at √s=13 TeV with the ATLAS detector

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Chinese Physics C 2024年第2期48卷 1-25页

作者： G. Aad B. Abbott K. Abeling N.J. Abicht S.H. Abidi A. Aboulhorma H. Abramowicz H. Abreu Y. Abulaiti B.S. Acharya C. Adam Bourdarios L. Adamczyk S.V. Addepalli M.J. Addison J. Adelman A. Adiguzel T. Adye A.A. Affolder Y. Afik M.N. Agaras J. Agarwala A. Aggarwal C. Agheorghiesei A. Ahmad F. Ahmadov W.S. Ahmed S. Ahuja X. Ai G. Aielli A. Aikot M. Ait Tamlihat B. Aitbenchikh I. Aizenberg M. Akbiyik T.P.A. Åkesson A.V. Akimov D. Akiyama N.N. Akolkar K. Al Khoury G.L. Alberghi J. Albert P. Albicocco G.L. Albouy S. Alderweireldt M. Aleksa I.N. Aleksandrov C. Alexa T. Alexopoulos F. Alfonsi M. Algren M. Alhroob B. Ali H.M.J. Ali S. Ali S.W. Alibocus M. Aliev G. Alimonti W. Alkakhi C. Allaire B.M.M. Allbrooke J.F. Allen C.A. Allendes Flores P.P. Allport A. Aloisio F. Alonso C. Alpigiani M. Alvarez Estevez A. Alvarez Fernandez M. Alves Cardoso M.G. Alviggi M. Aly Y. Amaral Coutinho A. Ambler C. Amelung M. Amerl C.G. Ames D. Amidei S.P. Amor Dos Santos K.R. Amos V. Ananiev C. Anastopoulos T. Andeen J.K. Anders S.Y. Andrean A. Andreazza S. Angelidakis A. Angerami A.V. Anisenkov A. Annovi C. Antel M.T. Anthony E. Antipov M. Antonelli F. Anulli M. Aoki T. Aoki J.A. Aparisi Pozo M.A. Aparo L. Aperio Bella C. Appelt A. Apyan N. Aranzabal S.J. Arbiol Val C. Arcangeletti A.T.H. Arce E. Arena J-F. Arguin S. Argyropoulos J.-H. Arling O. Arnaez H. Arnold G. Artoni H. Asada K. Asai S. Asai N.A. Asbah J. Assahsah K. Assamagan R. Astalos S. Atashi R.J. Atkin M. Atkinson H. Atmani P.A. Atmasiddha K. Augsten S. Auricchio A.D. Auriol V.A. Austrup G. Avolio K. Axiotis G. Azuelos D. Babal H. Bachacou K. Bachas A. Bachiu F. Backman A. Badea P. Bagnaia M. Bahmani A.J. Bailey V.R. Bailey J.T. Baines L. Baines O.K. Baker E. Bakos D. Bakshi Gupta V. Balakrishnan R. Balasubramanian E.M. Baldin P. Balek E. Ballabene F. Balli L.M. Baltes W.K. Balunas J. Balz E. Banas M. Bandieramonte A. Bandyopadhyay S. Bansal L. Barak M. Barakat E.L. Barberio D. Barberis M. Barbero M.Z. Barel K.N. Barends T. Barillari M-S. Barisits T. Barklow P. Baron D.A. Baron Mo The ATLAS Collaboration

The identification of jets originating from quarks and gluons,often referred to as quark/gluon tagging,plays an important role in various analyses performed at the Large Hadron Collider,as Standard Model measurements and searches for new particles decaying to quarks often rely on suppressing a large gluon-induced *** paper describes the measurement of the efficiencies of quark/gluon taggers developed within the ATLAS Collaboration,using √s=13 TeV proton–proton collision data with an integrated luminosity of 140 fb^(-1) collected by the ATLAS *** taggers with high performances in rejecting jets from gluon over jets from quarks are studied:one tagger is based on requirements on the number of inner-detector tracks associated with the jet,and the other combines several jet substructure observables using a boosted decision tree.A method is established to determine the quark/gluon fraction in data,by using quark/gluon-enriched subsamples defined by the jet *** in tagging efficiency between data and simulation are provided for jets with transverse momentum between 500 GeV and 2 TeV and for multiple tagger working points.

关键词： ATLAS JET QUARK GLUON TAGGING

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