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An Application of the Consumer Disposition toward Satisfaction Scale for a-Priori Segmentation
Giuseppe Boari,Gabriele Cantaluppi
Journal of Applied Sciences , 2011,
Abstract: In this study, an a-priori latent segmentation procedure is proposed, which is based on an adaptation of the Consumer Disposition toward Satisfaction (CDS) scale to the Italian social environment. The disposition level is then used to define clusters of the respondents to the Customer Satisfaction annual survey concerning the Italian banking system. In order to verify the evidence of a proper classification the multivariate test of homogeneity is suggested
Construction of the balanced scorecard by using structural equation models with latent variables
Giuseppe Boari,Gabriele Cantaluppi
Electronic Journal of Applied Statistical Analysis : Decision Support Systems and Services Evaluation , 2010,
Abstract: The Balanced Scorecard is one of the most important quantitative tool for the business strategic planning. Its implementation usually concerns the construction and analysis of proper weighted averages of the so-called Key Performance Indicators (KPI); these are either objective or subjective evaluations of the performance levels attained by the various sub-systems constituting a business organization. Recent evolutions of the model are considered and a particular version of the Balanced Scorecard, based on Structural Equation Models with Latent Variables, is introduced.
Daniel Boari Coelho
Engevista , 2005,
Abstract: The human posture control is a complex challenge to neuromuscular controlsystem. The most obvious task of posture control system consists of keeping a biped erectposture. Essentially, this task means producing appropriate muscular contractions, whichgenerate moments of force on the articulations of musculoskeletal system. How the CentralNervous System controls and keeps a quiet standing posture is dependent of the necessarydemand to stabilize the human posture. This project aims at the development of computermodels in Matlab, in order to simulate the human control of quiet standing posture. Amodel by neural activity and a PID control was implemented. It was verified that such amodel provide the dynamics of neural activation.
Efficient Egress of Escaping Ants Stressed with Temperature
Santiago Boari, Roxana Josens, Daniel R. Parisi
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0081082
Abstract: In the present work we investigate the egress times of a group of Argentine ants (Linepithema humile) stressed with different heating speeds. We found that the higher the temperature ramp is, the faster ants evacuate showing, in this sense, a group-efficient evacuation strategy. It is important to note that even when the life of ants was in danger, jamming and clogging was not observed near the exit, in accordance with other experiments reported in the literature using citronella as aversive stimuli. Because of this clear difference between ants and humans, we recommend the use of some other animal models for studying competitive egress dynamics as a more accurate approach to understanding competitive egress in human systems.
Diagnóstico de rinossinusite cr?nica em pacientes com fibrose cística: correla??o entre anamnese, nasofibroscopia e tomografia computadorizada
Boari, Letícia;Castro Júnior, Ney Penteado de;
Revista Brasileira de Otorrinolaringologia , 2005, DOI: 10.1590/S0034-72992005000600003
Abstract: the sinonasal involvement is one of the most common manifestations in cystic fibrosis. data show a high incidence of chronic rhinosinusitis in these patients. although it has been found radiographic opacification of the sinus in more than 90% of cases, few are symptomatic. so that, it is difficult to recognize nasossinusal disease in patients with cystic fibrosis. questionnaire, nasal endoscopy and ct-scan are very important methods in this approach. aim: to evaluate the diagnosis of chronic rhinosinusitis in patients with cystic fibrosis by anamnesis, nasal endoscopy and ct-scan and compare those results. study design: clinical prospective. material and method: evaluation of 34 patients - older than 6 years and with a confirmed diagnoses of cystic fibrosis - by anamnesis (questionnaire), nasal endoscopy (score lund-kennedy) and ct-scan (score lund-mackay). results: chronic rhinosinusitis was confirmed in: 20,58% of cases by the questionnaire, 73,52% of the cases by the nasal endoscopy and in 93,54% of the cases by the ct-scan. the results showed significant differences. the correlation between nasal endoscopy score (lund-kennedy score) and ct-scan score (lund-mackay score) was statistically significant. conclusion: the diagnosis of chronic rhinosinusitis was statistically different between the three methods. it was higher in imaging analysis and lower in questionnaire. the nasal endoscopy is an excellent method to evaluate nasossinusal disease in cystic fibrosis.
Effect of water regime and salinity on artichoke yield
Francesca Boari,Bernardo Pace,Mladen Todorovi?,Egidio De Palma
Italian Journal of Agronomy , 2012, DOI: 10.4081/ija.2012.e9
Abstract: This work focuses on the effects of different salinity and water inputs on the yield of artichoke Violetto di Provenza. Two years of experimental works had been carried out in a site in Southern Italy characterized by semi-arid climate and deep loam soil. Three salinity levels of irrigation water (S0, S1 and S2) with electrical conductivity (ECw) of 0.5, 5 and 10 dS m-1, respectively, were combined with three water regimes (W1, W2 and W3) corresponding in that order to 20 40 and 60% of available water depletion. The overall results of the salinity tolerance are in agreement with those from the literature. However, an higher tolerance to salinity was demonstrated when crop was watered more frequently (at 20% of available water depletion) and a lower one when crop watering was performed less frequently (at 60% of available water depletion). The increase of salinity level reduced marketable yield (from 12.9 to 8.8 Mg ha-1), total heads (from 125,100 to 94,700 n ha-1) and heads mean weight (from 99.9 to 94.6 g), while increased heads dry matter (from 161.8 to 193.6 g kg-1 f.w.) and reduced edible parte percentage of heads (from 35.2 to 33.2 %). Watering regimes, as average of the salinity levels, affected total heads marketable yield (115,350 n ha-1 and 11.4 Mg ha-1 for W1 and W2, 105,900 n ha-1 and 10 Mg ha-1 for W3). In addition, different watering regimes affected the secondary heads yield for which it was reduced by 3% of mean weight. The effect of different watering regimes changed with various salinity levels. In condition of moderate salinity (S1), maximum water depletion fraction to preserve heads number and weight yield was 40 and 20% of total soil available water, respectively. However, with high salinity (S2), maximum water depletion fraction to keep unchanged heads number and weight yield was 20% for both. The level of soil salinity at beginning of the crop cycle favoured the incidence of head atrophy in the main heads produced in the second year.
Cooperativa Agrícola Lucienville Ltda.
Boari,Patricia; Fistein,Nora V.; Odriozola,Antonio M.; Rébora,Susana; Solari,Mario E.;
Mundo agrario , 2008,
Abstract: since the evolution of agriculture corporativism and through its memoirs and balance books the present study analyzes the development of lucienville's agriculture corp. ltda. during the historic peronism. on this stage the institution got a particular incidence on diverse economic activities of national agro (seed accumulation, its industrialization and commercialization), at the same time it strengthened its role as center of social services to the associates.
Identifica??o de xanthomonas axonopodis pv. phaseoli e x. axonopodis pv. phaseoli var. fuscans através da técnica de pcr
Fitopatologia Brasileira , 2001, DOI: 10.1590/S0100-41582001000400008
Abstract: the objective of this study was to determine the availability of pcr technique as a tool for xanthomonas axonopodis pv. phaseoli (xap) and x. axonopodis pv. phaseoli var. fuscans (xapf) identification. the specificity of the primers was tested based on the dna amplification of 42 isolates of bacteria collected at several locations. the primers were capable of identifying xap and xapf, although two virulent isolates were not detected. the amplification of a weak band, which was observed for x. axonopodis pv. vitians, suggests homology between these pathovars, in the same region.
Mathematical model predicts the elastic behavior of composite materials
Boari, Zoroastro de Miranda;Monteiro, Waldemar Alfredo;Miranda, Carlos Alexandre de Jesus;
Materials Research , 2005, DOI: 10.1590/S1516-14392005000100017
Abstract: several studies have found that the non-uniform distribution of reinforcing elements in a composite material can markedly influence its characteristics of elastic and plastic deformation and that a composite's overall response is influenced by the physical and geometrical properties of its reinforcing phases. the finite element method, eshelby's method and dislocation mechanisms are usually employed in formulating a composite's constitutive response. this paper discusses a composite material containing sic particles in an aluminum matrix. the purpose of this study was to find the correlation between a composite material's particle distribution and its resistance, and to come up with a mathematical model to predict the material's elastic behavior. the proposed formulation was applied to establish the thermal stress field in the aluminum-sic composite resulting from its fabrication process, whereby the mixture is prepared at 600 °c and the composite material is used at room temperature. the analytical results, which are presented as stress probabilities, were obtained from the mathematical model proposed herein. these results were compared with the numerical ones obtained by the fem method. a comparison of the results of the two methods, analytical and numerical, reveals very similar average thermal stress values. it is also shown that maxwell-boltzmann's distribution law can be applied to identify the correlation between the material's particle distribution and its resistance, using eshelby's thermal stresses.
Avalia??o higiênico-sanitária de lingui?as tipo frescal comercializadas nos municípios de Três Cora??es e Lavras MG
Marques, Simone Cristina;Boari, Cleube Andrade;Brcko, Carolina Carvalho;Nascimento, Adenilde Ribeiro;Piccoli, Roberta Hilsdorf;
Ciência e Agrotecnologia , 2006, DOI: 10.1590/S1413-70542006000600012
Abstract: the aim of this work was to evaluate the microbial quality of sausage in function of the potential involvement of these products in public health questions. samples were randomly collected in três cora??es (n=20) and lavras (n=20), both cities of minas gerais, brazil. microbiological analysis (icmsf, 1982) were conduced to quantify, isolate and identify coliforms, staphylococcus aureus positive coagulase and salmonella spp. salmonella spp was not found in none of samples. counts of coliforms were between 101 to 104 mpn/g. counts staphylococcus positive coagulase were above the limit established by food legislation in 14% of the samples. in function of values found in this research sausages analyzed were elaborated under inappropriated conditions of hygiene and may represent risks to consumers.
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