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Entropy model to assess sediment resuspension probability and trap efficiency of small dams

International Journal of Sediment Research 2022年第5期37卷 675-686页

作者： Francisco Jairo Soares Pereira antonio Viana da silva Filho José Wellington Batista Lopes José Carlos de Araújo Department of Agricultural Engineering Federal University of Ceará Campus Do Pici Rural Federal University of Pernambuco Federal University of Piauí

In the Brazilian drylands, there are tens of thousands of small dams. Despite their paramount importance to the rural population, they are rarely monitored. Water demand increases with time while, simultaneously, siltation reduces reservoir water capacity and availability. Reservoir siltation models are, therefore, mandatory to manage the numerous ungauged small dams in these *** objective of the current study is to improve sediment trap efficiency(TE) modeling by including resuspension as a key probabilistic process. The Shannon entropy was used to estimate the sediment resuspension probability, which was merged with the Camp model and generated the RETSED entropy model. To validate the RETSED model, an experimental check dam(ECD, 300 m3), located in the Gilbu es desertification site, Brazil, was monitored hourly during one hydrological year(July 2018-July 2019). Measurements show that the annual volumetric decline of the check dam was 12%; and that the average trap efficiency equaled 86%. Only 9.5% of the hourly sediment concentration outflow exceeded the average plus one standard deviation, showing that the reservoir is well mixed; a fact which highlights the relevance of the resuspension process. Three empirical models failed to mimic the experimental results: Churchill(TE = 99%), Brune(TE = 75%), and Maryland(TE = 94%). According to the RETSED entropy model, the resuspension probability during the experiment was 10%and TE = 81%, a value only 6% below the measured one. The Camp model simulated TE = 89%, only 3%higher than the measured value, but confirmed the Camp model’s tendency to overestimate TE due to a disregard of resuspension. The deterministic model showed low sensitivity concerning the hydrodynamic effects, whereas the entropy formulation proved to be more consistent with physical behavior: the resuspension probability clearly increased and trap efficiency decreased with rising reservoir discharge.

关键词： Erosion Check dam Sedimentation Ungauged basins Camp model

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Mortality Trends for Neglected Tropical Diseases in the State of Sergipe,Brazil,1980-2013

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Infectious Diseases of Poverty 2017年第1期6卷 173-180页

作者： Marcos antonio Costa de Albuquerque danielle Menezes Dias Lucas Teixeira Vieira Carlos Anselmo Lima Angela Maria da silva University Hospital Federal University of SergipeRua Claudio Batista s/nB.Santo AntonioAracajuSE 49060-108Brazil Post-doc Medicine Unit Federal University of SergipeRua Claudio Batista s/nB.Santo AntonioAracajuSE 49060-108Brazil

Background:Neglected Tropical Diseases are a set of communicable diseases that affect the population so low socioeconomic status,particularly 1.4 billion people who are living below the poverty *** study has investigated the magnitude and mortality time trends for these diseases in the state of Sergipe,Northeast Region of ***:We conducted an ecological study of time series,based on secondary data derived from the Mortality Information System of the Ministry of *** mortality rates(crude,age-standardized rates and proportional ratio)were calculated from the deaths due to Neglected Tropical Diseases in the state of Sergipe,from 1980 to *** time trends were obtained using the Joinpoint regression ***:Three hundred six thousand and eight hundred seventy-two deaths were certified in the state and Neglected Tropical Diseases were mentioned as the underlying cause in 1,203 certificates(0.39%).Mean number of deaths was 35.38 per year,and crude and age-standardized mortality rates were,respectively:2.16 per 100000 inhabitants(95%CI:1.45-2.87)and 2.87 per 100000 inhabitants(95%CI:1.93-3.82);the proportional mortality ratio was 0.41%(95%CI:0.27-0.54).In that period,Schistosomiasis caused 654 deaths(54.36%),followed by Chagas disease,with 211(17.54%),and by Leishmaniases,with 142(11.80%)*** other diseases totalized 196 deaths(16.30%).There were increasing mortality trends for Neglected Tropical Diseases,Schistosomiasis and Chagas disease in the last 15 years,according to the age-standardized rates,and stability of the mortality trends for ***:The Neglected Tropical Diseases show increasing trends and are a real public health problem in the state of Sergipe,since they are responsible for significant mortality *** following diseases call attention for showing greater number of deaths in the period of study:Schistosomiasis,Chagas disease and *** finally suggest that public managers take appropri

关键词： Mortality Neglected tropical diseases Trends Joinpoint

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Renin-angiotensin system in the central nervous system:focus on Huntington’s disease

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Neural Regeneration Research 2023年第10期18卷 2206-2207页

作者： Aline silva de Miranda antonio Lucio Teixeira Laboratório de Neurobiologia Departamento de MorfologiaInstituto de Ciências BiológicasUniversidade Federal de Minas Gerais(UFMG)Belo HorizonteMGBrasil Laboratório Interdisciplinar de Investigação Médica(LIIM) Faculdade de MedicinaUniversidade Federal de Minas Gerais(UFMG)Belo HorizonteMGBrasil Neuropsychiatry Program Department of Psychiatry and Behavioral SciencesMcGovern Medical SchoolUniversity of Texas Health Science Center at HoustonTXUSA Faculdade Santa Casa BH Belo HorizonteMGBrasil

The renin-angiotensin system(RAS)was originally conceived as a circulating hormonal system involved in the regulation of cardiovascular and renal *** the discovery of local RAS components in diverse organs,including t... 详细信息

关键词： Huntington organs angiotensin

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Non-Intrusive Elastic Query Processing in the Cloud

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Journal of Computer Science & Technology 2013年第6期28卷 932-947页

作者： Ticiana L. Coelho da silva Mario A. Nascimento Jose antonio F. de Macedo Flavio R. C. Sousa Javam C. Machado Department of Computing Federal University of Ceara Fortaleza Ceara Brazil Department of Computing Science University of Alberta Edmonton Alberta T6G 2E8 Canada

Cloud computing is a very promising paradigm of service-oriented computing. One major benefit of cloud computing is its elasticity, i.e., the system＇s capacity to provide and remove resources automatically at runtime. For that, it is essential to design and implement an efficient and effective technique that takes full advantage of the system＇s potential flexibility. This paper presents a non-intrusive approach that monitors the performance of relational database management systems in a cloud infrastructure, and automatically makes decisions to maximize the efficiency of the provider＇s environment while still satisfying agreed upon ＂service level agreements＂（SLAs）. Our experiments conducted on Amazon＇s cloud infrastructure, confirm that our technique is capable of automatically and dynamically adjusting the system＇s allocated resources observing the SLA.

关键词： elasticity query processing non-intrusive service level agreement

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Antibacterial activity and inhibition against Staphylococcus aureus NorA efflux pump by ferulic acid and its esterified derivatives

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Asian Pacific Journal of Tropical Biomedicine 2021年第9期11卷 405-413页

作者： Patrícia Gonçalves Pinheiro Gilvandete Maria Pinheiro Santiago Francisco erivaldo Freitas da silva Ana Carolina Justino de Araújo Cícera Rejane Tavares de Oliveira Priscilla Ramos Freitas Janaína Esmeraldo Rocha JoséBezerra de Araújo Neto Maria Milene Costa da silva Saulo Relison Tintino Irwin Rose Alencar de Menezes Henrique Douglas Melo Coutinho JoséGalberto Martins da Costa Departamento de Química Biológica Programa de Pos-Graduação em Química BiológicaUniversidade Regional do Cariri–URCACrato–CEBrazil Programa de Pós-Graduação em Química Centro de CiênciasUniversidade Federal do Ceará–UFCFortaleza–CEBrazil

Objective:To evaluate the inhibitory activity of ferulic acid and four of its esterified derivatives(methyl,ethyl,propyl,and butyl)against resistance mechanisms in Staphylococcus aureus ***:Ferulic acid derivatives were obtained by esterification with methanol,ethanol,propanol,and butanol,and then characterized by hydrogen and carbon-13 nuclear magnetic resonance *** minimum inhibitory concentrations(MIC)of ferulic acid and its esterified derivatives,ethidium bromide,and norfloxacin were obtained using the microdilution test,while the efflux pump inhibition test was conducted by examining reduction in the MICs of norfloxacin and ethidium *** docking was also carried out using the Schrodinger Suite 2015 molecular modeling software.A three-dimensional model of NorA efflux pump was generated using *** best scoring model was used as a receptor for ligand-receptor ***:The methyl and butyl ester derivatives did not demonstrate significant antimicrobial ***,a significant synergic effect was evidenced when norfloxacin was combined with the ethyl and propyl esterified *** docking study demonstrated favorable energy of interaction between ferulate derivatives and NorA,and amino acid residues TYR57,TYR58,and LEU255 were present commonly in stabilizing all *** PCA analysis corroborated the docking hypothesis that the lipophilic character and hydrogen bond interactions were the most relevant characteristics involved with NorA *** pharmacokinetic parameters of ferulic acid derivatives showed good ADMET properties,demonstrating that they can be easily absorbed and have no effect or inhibit the cytochrome P450 enzyme complex,revealing their potential as drug ***:This study provides strong evidence that the molecular basis for this activity is potentially due to the NorA efflux pump.

关键词： Ferulic acid Esterified derivatives Efflux pump Staphylococcus aureus Resistance mechanisms

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Ammonium Improves Corn Phosphorus Acquisition Through Changes in the Rhizosphere Processes and Root Morphology

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Pedosphere 2019年第4期29卷 534-539页

作者： Elialdo Alves DE SOUZA Natália Rodrigues FERREIRA-ELOY Camila da silva GRASSMANN Ciro antonio ROSOLEM Philip J.WHITE School of Agronomic Sciences Sao Paulo State University The James Hutton Institute

Dear Editor, Phosphorus (P) deficiency is the most limiting factor in tropical agriculture since most soils in this region are predominantly acids with high-energy P-binding compounds. Therefore, up to 90% of the P applied becomes fixed in soils, which raises environmental concerns and production costs (Syers et al., 2008). Thus, developing strategies to imptove P use efficiency (PUE) is essential to mitigate environmental problems and improve profits. These strategies should consider the soil-root-rhizosphere system because it is the most biochemical active site where nutrient uptake occurs (Hinsinger, 2011).

关键词： Root Morphology Rhizosphere Processes Dear Editor

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Diversity of mycorrhizal fungi and soil indicative species in coastal plantations of northeast Brazil

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Journal of Forestry Research 2021年第3期32卷 1203-1211页

作者： Olmar Baller Weber Maria Cátia Barroso da silva Cristiane Figueira da silva Diva Correia Deborah dos Santos Garruti Marcela Claudia Pagano Embrapa Agroindústria Tropical Rua Dra.Sara Mesquita2270PiciFortalezaCeará60511-110Brazil Centro de Ciências E Tecnologia Universidade Estadual Do CearáAv.Dr.Silas Munguba1700Campus do ItaperiFortaleza 60740-000Brazil Universidade Federal Rural Do Rio de Janeiro BR 465 Km 7 Seropédica RJSeropédicaRio de Janeiro CEP 23890-000Brazil Universidade Federal de Minas Gerais Av.Antonio Carlos6627PampulhaBelo Horizonte 31270-001Brazil

The aim of this work was to evaluate arbuscular mycorrhizal(AM)fungi as soil indicators and the mycorrhization of native and exotic tree species planted in the Acaraúbasin,a transition area from the coast to the Brazilian semiarid *** with 6-year-old trees of four native and three non-native species as well as one non-forested area were evaluated in terms of the diversity of AM fungi in the mycorrhizosphere and the root colonization by AM and ectomycorrhizal(EcM)***-four AM fungi were identified;Claroideoglomus etunicatum,Glomus sinuosum,Paraglomus albidum,Acaulospora laevis,and Acaulospora brasiliensis were abundant in the forest ***,dominance,evenness and richness indices of AM fungi were higher in plots with native *** root samples were colonized by AM fungi and only A nadenanthera colubrina,Acacia mangium,Casuarina equisetifolia and Eucalyptus urophylla formed associations with EcM *** morphotypes served as soil indicators for coverings with the native species Astronium fraxinifolium and Colubrina *** species may favor the proliferation of rarer AM *** fungi–plant relationships may be important in the management of forest systems,and the evidence with mycorrhizal associations allows the inclusion of Brazilian species in tropical reforestation.

关键词： Acacia mangium Arbuscular mycorrhizal fungi Brazilian species Casuarina equisetifolia Ectomycorrhizal fungi Eucalyptus urophylla

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Catalytic combustion of soot over ceria-zinc mixed oxides catalysts supported onto cordierite

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Journal of Environmental Sciences 2014年第3期26卷 694-701页

作者： Leandro Fontanetti Nascimento Renata Figueredo Martins Rodrigo Ferreira silva Osvaldo antonio Serra Department of Chemistry FFCLRP University of Sao Paulo

Modified substrates as outer heterogeneous catalysts was employed to reduce the soot generated from incomplete combustion of diesel or diesel/biodiesel blends, a process that harms the environment and public health. The unique storage properties of ceria （CeO2） makes it one of the most efficient catalysts available to date. Here, we proposed that ceria-based catalysts can lower the temperature at which soot combustion occurs; more specifically, from 610℃ to values included in the diesel exhausts operation range （300-450℃）. The sol-gel method was used to synthesize mixed oxide-based catalysts （CeO2：ZnO）; the resulting catalysts were deposited onto cordierite substrates. In addition, the morphological and structural properties of the material were evaluated by XRD, BET, TPR-H2, and SEM. Thermogravimetric （TG/DTA） analysis revealed that the presence of the catalyst decreased the soot combustion temperature by 200℃ on average, indicating that the oxygen species arise at low temperatures in this situation, promoting highly reactive oxidation reactions. Comparative analysis of soot emission by diffuse reflectance spectroscopy （DRS） showed that catalyst-impregnated cordierite samples efficiently oxidized soot in a diesel/biodiesel stationary motor： soot emission decreased by more than 70%.

关键词： soot oxidation mixed oxides ceria

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Lameness prediction in broiler chicken using a machine learning technique

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Information Processing in Agriculture 2021年第3期8卷 409-418页

作者： Irenilza de Alencar Naas Nilsa Duarte da silva Lima Rodrigo Franco Gonc¸alves Luiz antonio de Lima Henry Ungaro Jair Minoro Abe Paulista University-Graduate Program in Production Engineering Sao PauloBrazil

Broiler flock welfare is usually assessed through mortality,physiology,behavior,and walk-ing *** possibility of assessing broiler chicken lameness using the bird walking abil-ity was investigated using the machine learning approach for the first *** on broiler walking speed and acceleration,genetic strain,and sex were recorded and input in a *** were classified according to the 6-point gait score(GS0 is a sound bird,and GS5 is a severely lame bird).Decision trees were built initially using all *** confusion matrix of each developed model was *** pruning technique was used,removing from the dataset the variables that did not infer in the classification *** reorganized the dataset and re-arranged the data by grouping the intermediate target class of gait score using the Borda Count ***-processing data,we obtained a new set of decision *** the 3-point gait score(GS0 is a sound bird,and GS2 is a lame bird),we obtained a new model with better accuracy(78%);however,the model had a lower accuracy for classifying lame broilers(GS2,5%).The final decision tree was selected for classifying broilers,either sound or lame,according to their walking *** developed model presented good accuracy(91%),and it ordered properly sound(86%)and lame birds(92%).The novel model might be used to assess broiler lameness on-farm by registering the bird displacement *** developments using the model might allow flock lameness detection automatically.

关键词： Broiler welfare Broiler walking speed Decision tree Confusion matrix Gait score

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Obtaining 2D Soil Geotechnical Profiles from Cokriging Interpolation of Sample data and Electrical Resistivity Tomography (ERT)—Applications in Mass Movements Studies

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International Journal of Geosciences 2024年第7期15卷 525-548页

作者： Cassiano antonio Bortolozo Noel Howley Andy Legg Tristan Pryer danielle silva de Paula Tatiana Sussel Gonçalves Mendes daniel Metodiev Marcio Roberto Magalhães de Andrade Silvio Jorge Coelho Simões Maiconn Vinicius de Moraes Marcio Augusto Ernesto de Moraes Luana Albertani Pampuch Rodolfo Moreda Mendes Harideva Marturano Egas Institute of Science and Technology So Paulo State University (UNESP) So Jos dos Campos Brazil Cemaden-National Center for Monitoring and Early Warning of Natural Disasters General Coordination of Research and Development So Jos dos Campos Brazil Institute for Mathematical Innovation University of Bath Bath UK Department of Mathematical Sciences University of Bath Bath UK

Brazil annually faces significant challenges with mass movements, particularly in areas with poorly constructed housing, inadequate engineering, and lacking sanitation infrastructure. Campos do Jordão, in São Paulo state, is a city currently grappling with these issues. This paper details a study conducted within a pilot area in Campos do Jordão, where geophysical surveys and geotechnical borehole data were integrated. The geophysical surveys provided 2D profiles, and samples were collected to analyse soil moisture and plasticity. These datasets were combined using a Cokriging-based model to produce an accurate representation of the subsurface conditions. The enhanced modelling of subsurface variability facilitates a deeper understanding of soil behavior, which can be used to improve landslide risk assessments. This approach is innovative, particularly within the international context where similar studies often do not address the complexities associated with urban planning deficits such as those observed in some areas of Brazil. These conditions, including the lack of proper sanitation and irregular housing, significantly influence the geological stability of the region, adding layers of complexity to subsurface assessments. Adapting geotechnical evaluation methods to local challenges offers the potential to increase the efficacy and relevance of geological risk management in regions with similar socio-economic and urban characteristics.

关键词： Mass Movements Geophysics ERT Geotechnical Surveys Campos do Jordão Cokriging

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