julio alves - Academia.edu (original) (raw)
Papers by julio alves
Terra Latinoamericana, 2016
Los suelos de Mexico exhiben una fuerte degradacion fisica, quimica y biologica. Existen tecnolog... more Los suelos de Mexico exhiben una fuerte degradacion fisica, quimica y biologica. Existen tecnologias para contrarrestar la degradacion del suelo, ayudar a recuperar su fertilidad y secuestrar carbono, como la aplicacion de biocarbon (biochar), que es un subproducto de la pirolisis de biomasa residual. Existen experiencias positivas derivadas de la aplicacion de biocarbon al suelo, que generan una mejoria en sus propiedades fisicas, quimicas y biologicas, lo que se traduce en un aumento de la productividad de los cultivos. El biocarbon, por ser una forma recalcitrante de carbono, actua como reservorio de larga duracion de este elemento, retardando su retorno a la atmosfera como CO2, situacion que contribuye a mitigar el cambio climatico. Un beneficio adicional es que la materia prima para su produccion proviene de residuos organicos, que a menudo causan problemas de contaminacion ambiental. La generacion de biocarbon y su aplicacion es una alternativa tecnologica que ha sido poco o n...
Journal of perinatal medicine, Jan 6, 2017
To propose a simple model for predicting preeclampsia (PE) in the 1st trimester of pregnancy on t... more To propose a simple model for predicting preeclampsia (PE) in the 1st trimester of pregnancy on the basis of maternal characteristics (MC) and mean arterial pressure (MAP). A prospective cohort was performed to predict PE between 11 and 13+6 weeks of gestation. The MC evaluated were maternal age, skin color, parity, previous PE, smoking, family history of PE, hypertension, diabetes mellitus and body mass index (BMI). Mean arterial blood pressure (MAP) was measured at the time of the 1st trimester ultrasound. The outcome measures were the incidences of total PE, preterm PE (delivery <37 weeks) and term PE (delivery ≥37 weeks). We performed logistic regression analysis to determine which factors made significant contributions for the prediction of the three outcomes. We analyzed 733 pregnant women; 55 developed PE, 21 of those developed preterm PE and 34 term PE. For total PE, the best model was MC+MAP, which had an area under the receiver operating characteristic curve (AUC ROC) o...
Revista Da Associacao Brasileira De Atividade Motora Adaptada, 2014
Formação de Técnicos em Goiás Artigos / Articles Introdução O basquetebol, enquanto um jogo despo... more Formação de Técnicos em Goiás Artigos / Articles Introdução O basquetebol, enquanto um jogo desportivo coletivo, em face das inúmeras possibilidades de ações (defensivas ou ofensivas) exigidas durante um jogo ou competição, demanda dos jogadores o enfrentamento de situações que solicitam a atenção, a inteligência, a criatividade, a concentração e a tomada rápida de decisões, assim como qualidades físicas, técnicas e táticas, consideradas capacidades fundamentais para o sucesso daqueles que o praticam (De Rose Junior, 2013). A atuação como treinador, em específico, para iniciação esportiva, exige domínio de conhecimentos básicos do esporte,
Índice Glicêmico Das Dietas Consumidas Durante a Gestação e Um Ano Ou Mais Após O Parto: Existe Diferença?
Nutrire, 2013
Os macr�fagos na placenta durante o trabalho de parto
OP09.04: Maternal ophthalmic artery Doppler: novel parameter to predict early-onset pre-eclampsia in the first trimester of pregnancy
Ultrasound in Obstetrics & Gynecology, 2011
OP08.05: Brachial artery flow-mediated dilatation as a predictor of pre-eclampsia in the second trimester of pregnancy
Ultrasound in Obstetrics & Gynecology, 2013
A Practical Approach to Truck Dispatch for Open Pit Mines
According to the literature, material transportation represents 50 per cent of the operating cost... more According to the literature, material transportation represents 50 per cent of the operating costs for an open pit mine. In this context, this paper proposes a multistage approach for dynamic truck dispatching in real open pit mine environments, implemented in the commercial package SmartMine®, marketed by Devex SA. The first stage of this approach defines the optimal number of trucks that maximises the tonnage production by means of a robust linear programming model, which considers the operational constraints of a real mining process. The second stage uses a dynamic dispatching heuristic joining computational simulation and multicriterion optimisation techniques for decision making for truck dispatching. Another relevant contribution of this work is the publication of realistic instances collected from a dispatching system managing an iron mine, containing information about the hauling and loading fleet, the equipment situation when the working shift starts, cycle times, the time ...
GRASP with path-relinking for some molecular biology consensus problems
The American journal of clinical nutrition, 2007
Age-related macular degeneration (AMD) is the major cause of irreversible blindness. AMD appears ... more Age-related macular degeneration (AMD) is the major cause of irreversible blindness. AMD appears to share several carbohydrate-related mechanisms and risk factors with diabetes-related diseases, including retinopathy and cardiovascular disease (CVD); however, to date, only one small study has addressed this issue. The objective was to test the hypothesis that dietary glycemic index (dGI), which has been related to the risk of diabetes and CVD, is associated with the risk and severity of AMD in nondiabetic elderly populations. Dietary information was obtained from 4099 participants aged 55-80 y (56% women) in the Age-Related Eye Disease Study (AREDS). A total of 8125 eligible eyes at baseline were classified into 1 of 5 AMD groups according to the size and extent of drusen, the presence of geographic atrophy, and neovascular changes. We used a generalized estimating approach to evaluate the relations between dGI and risk and severity of AMD with eyes as the unit of analysis. Compared...
Eye Gaze Patterns after Stroke: Correlates of a VR Action Execution and Observation Task
Proceedings of the 8th International Conference on Pervasive Computing Technologies for Healthcare, 2014
Revista Brasileira de Ginecologia e Obstetrícia, 2000
Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumo... more Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumor trofoblástico gestacional (TTG) pós-mola hidatiforme completa (MHC). Analisar a curva de regressão do β-hCG após esvaziamento molar, das pacientes com MHC atendidas no HC de Botucatu, UNESP e comparar com a curva de regressão observada por outros autores. Pacientes e Métodos: foi realizada avaliação clínica e laboratorial (dosagem seriada do β-hCG) em todas as pacientes com MHC, atendidas entre 1990 e 1998, no HC de Botucatu, UNESP. Foram analisados os preditores clínicos para TTG estabelecidos por Goldstein et al. (1981) e por outros nove autores. A avaliação histopatológica incluiu os critérios de risco para TTG, de Ayan et al. (1996). A determinação seriada do β-hCG foi analisada e comparada em curvas log de regressão, com intervalo de confiança a 95%: MHC com remissão espontânea e MHC com TTG. A curva log de regressão do grupo de remissão espontânea foi comparada com a de Morrow et al. (1977) e com a de
Os macrófagos na placenta durante o trabalho de parto
Revista Brasileira de Ginecologia e Obstetrícia, 2009
First Trimester Maternal Ophthalmic Artery Doppler Analysis For Prediction Of Pre-Eclampsia
Ultrasound in Obstetrics & Gynecology, 2014
Quantification of animal fat biodiesel in soybean biodiesel and B20 diesel blends using near infrared spectroscopy and synergy interval support vector regression
Talanta, 2014
In this work, multivariate calibration based on partial least squares (PLS) and support vector re... more In this work, multivariate calibration based on partial least squares (PLS) and support vector regression (SVR) using the whole spectrum and variable selection by synergy interval (siPLS and siSVR) were applied to NIR spectra for the determination of animal fat biodiesel content in soybean biodiesel and B20 diesel blends. For all models, prediction errors, bias test for systematic errors and permutation test for trends in the residuals were calculated. The siSVR produced significantly lower prediction errors compared to the full spectrum methods and siPLS, with a root mean squares error (RMSEP) of 0.18%(w/w) (concentration range: 0.00%-69.00%(w/w)) in the soybean biodiesel blend and 0.10%(w/w) in the B20 diesel (concentration range: 0.00%-13.80%(w/w)). Additionally, in the models for the determination of animal fat biodiesel in blends with soybean diesel, PLS and SVR showed evidence of systematic errors, and PLS/siPLS presented trends in residuals based on the permutation test. For the B20 diesel, PLS presented evidence of systematic errors, and siPLS presented trends in the residuals.
Background: Age-related macular degeneration (AMD) is the ma- jor cause of irreversible blindness... more Background: Age-related macular degeneration (AMD) is the ma- jor cause of irreversible blindness. AMD appears to share several carbohydrate-related mechanisms and risk factors with diabetes- related diseases, including retinopathy and cardiovascular disease (CVD); however, to date, only one small study has addressed this issue. Objective: The objective was to test the hypothesis that dietary glycemic index (dGI), which has been related to the risk of diabetes and CVD, is associated with the risk and severity of AMD in non- diabetic elderly populations. Design: Dietary information was obtained from 4099 participants aged 55-80 y (56% women) in the Age-Related Eye Disease Study (AREDS). A total of 8125 eligible eyes at baseline were classified into 1 of 5 AMD groups according to the size and extent of drusen, the presence of geographic atrophy, and neovascular changes. We used a generalized estimating approach to evaluate the relations between dGI and risk and severity of AMD with ey...
Diesel oil quality parameter determinations using support vector regression and near infrared spectroscopy for hydrotreated feedstock monitoring
Journal of Near Infrared Spectroscopy, 2012
Production monitoring and final quality control of diesel can be performed in refineries using ne... more Production monitoring and final quality control of diesel can be performed in refineries using near infrared (NIR) spectroscopy combined with regression algorithms. Partial least squares (PLS) is the multivariate regression approach commonly used for such purposes, but it is deficient for modelling complex data sets, such as found in diesel production at refineries. On the other hand, support vector regression (SVR) has demonstrated greater efficiency with high generalisation performance. The aim of this work was to develop regression models using SVR to improve the effectiveness of determining feedstock quality parameters monitored for hydrotreating process control refinery diesel production. SVR and PLS models were developed for the parameters aniline point, cetane index, density and temperature of distillation (initial boiling point and 50%, 85% and 90% recovered). The results indicate the superior modelling capability of SVR. SVR models predicted test set samples with root mean ...
Revista Brasileira de Ginecologia e Obstetrícia, 2000
Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumo... more Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumor trofoblástico gestacional (TTG) pós-mola hidatiforme completa (MHC). Analisar a curva de regressão do β-hCG após esvaziamento molar, das pacientes com MHC atendidas no HC de Botucatu, UNESP e comparar com a curva de regressão observada por outros autores. Pacientes e Métodos: foi realizada avaliação clínica e laboratorial (dosagem seriada do β-hCG) em todas as pacientes com MHC, atendidas entre 1990 e 1998, no HC de Botucatu, UNESP. Foram analisados os preditores clínicos para TTG estabelecidos por Goldstein et al. (1981) e por outros nove autores. A avaliação histopatológica incluiu os critérios de risco para TTG, de Ayan et al. (1996). A determinação seriada do β-hCG foi analisada e comparada em curvas log de regressão, com intervalo de confiança a 95%: MHC com remissão espontânea e MHC com TTG. A curva log de regressão do grupo de remissão espontânea foi comparada com a de Morrow et al. (1977) e com a de
Revista Brasileira de …, 1998
Terra Latinoamericana, 2016
Los suelos de Mexico exhiben una fuerte degradacion fisica, quimica y biologica. Existen tecnolog... more Los suelos de Mexico exhiben una fuerte degradacion fisica, quimica y biologica. Existen tecnologias para contrarrestar la degradacion del suelo, ayudar a recuperar su fertilidad y secuestrar carbono, como la aplicacion de biocarbon (biochar), que es un subproducto de la pirolisis de biomasa residual. Existen experiencias positivas derivadas de la aplicacion de biocarbon al suelo, que generan una mejoria en sus propiedades fisicas, quimicas y biologicas, lo que se traduce en un aumento de la productividad de los cultivos. El biocarbon, por ser una forma recalcitrante de carbono, actua como reservorio de larga duracion de este elemento, retardando su retorno a la atmosfera como CO2, situacion que contribuye a mitigar el cambio climatico. Un beneficio adicional es que la materia prima para su produccion proviene de residuos organicos, que a menudo causan problemas de contaminacion ambiental. La generacion de biocarbon y su aplicacion es una alternativa tecnologica que ha sido poco o n...
Journal of perinatal medicine, Jan 6, 2017
To propose a simple model for predicting preeclampsia (PE) in the 1st trimester of pregnancy on t... more To propose a simple model for predicting preeclampsia (PE) in the 1st trimester of pregnancy on the basis of maternal characteristics (MC) and mean arterial pressure (MAP). A prospective cohort was performed to predict PE between 11 and 13+6 weeks of gestation. The MC evaluated were maternal age, skin color, parity, previous PE, smoking, family history of PE, hypertension, diabetes mellitus and body mass index (BMI). Mean arterial blood pressure (MAP) was measured at the time of the 1st trimester ultrasound. The outcome measures were the incidences of total PE, preterm PE (delivery <37 weeks) and term PE (delivery ≥37 weeks). We performed logistic regression analysis to determine which factors made significant contributions for the prediction of the three outcomes. We analyzed 733 pregnant women; 55 developed PE, 21 of those developed preterm PE and 34 term PE. For total PE, the best model was MC+MAP, which had an area under the receiver operating characteristic curve (AUC ROC) o...
Revista Da Associacao Brasileira De Atividade Motora Adaptada, 2014
Formação de Técnicos em Goiás Artigos / Articles Introdução O basquetebol, enquanto um jogo despo... more Formação de Técnicos em Goiás Artigos / Articles Introdução O basquetebol, enquanto um jogo desportivo coletivo, em face das inúmeras possibilidades de ações (defensivas ou ofensivas) exigidas durante um jogo ou competição, demanda dos jogadores o enfrentamento de situações que solicitam a atenção, a inteligência, a criatividade, a concentração e a tomada rápida de decisões, assim como qualidades físicas, técnicas e táticas, consideradas capacidades fundamentais para o sucesso daqueles que o praticam (De Rose Junior, 2013). A atuação como treinador, em específico, para iniciação esportiva, exige domínio de conhecimentos básicos do esporte,
Índice Glicêmico Das Dietas Consumidas Durante a Gestação e Um Ano Ou Mais Após O Parto: Existe Diferença?
Nutrire, 2013
Os macr�fagos na placenta durante o trabalho de parto
OP09.04: Maternal ophthalmic artery Doppler: novel parameter to predict early-onset pre-eclampsia in the first trimester of pregnancy
Ultrasound in Obstetrics & Gynecology, 2011
OP08.05: Brachial artery flow-mediated dilatation as a predictor of pre-eclampsia in the second trimester of pregnancy
Ultrasound in Obstetrics & Gynecology, 2013
A Practical Approach to Truck Dispatch for Open Pit Mines
According to the literature, material transportation represents 50 per cent of the operating cost... more According to the literature, material transportation represents 50 per cent of the operating costs for an open pit mine. In this context, this paper proposes a multistage approach for dynamic truck dispatching in real open pit mine environments, implemented in the commercial package SmartMine®, marketed by Devex SA. The first stage of this approach defines the optimal number of trucks that maximises the tonnage production by means of a robust linear programming model, which considers the operational constraints of a real mining process. The second stage uses a dynamic dispatching heuristic joining computational simulation and multicriterion optimisation techniques for decision making for truck dispatching. Another relevant contribution of this work is the publication of realistic instances collected from a dispatching system managing an iron mine, containing information about the hauling and loading fleet, the equipment situation when the working shift starts, cycle times, the time ...
GRASP with path-relinking for some molecular biology consensus problems
The American journal of clinical nutrition, 2007
Age-related macular degeneration (AMD) is the major cause of irreversible blindness. AMD appears ... more Age-related macular degeneration (AMD) is the major cause of irreversible blindness. AMD appears to share several carbohydrate-related mechanisms and risk factors with diabetes-related diseases, including retinopathy and cardiovascular disease (CVD); however, to date, only one small study has addressed this issue. The objective was to test the hypothesis that dietary glycemic index (dGI), which has been related to the risk of diabetes and CVD, is associated with the risk and severity of AMD in nondiabetic elderly populations. Dietary information was obtained from 4099 participants aged 55-80 y (56% women) in the Age-Related Eye Disease Study (AREDS). A total of 8125 eligible eyes at baseline were classified into 1 of 5 AMD groups according to the size and extent of drusen, the presence of geographic atrophy, and neovascular changes. We used a generalized estimating approach to evaluate the relations between dGI and risk and severity of AMD with eyes as the unit of analysis. Compared...
Eye Gaze Patterns after Stroke: Correlates of a VR Action Execution and Observation Task
Proceedings of the 8th International Conference on Pervasive Computing Technologies for Healthcare, 2014
Revista Brasileira de Ginecologia e Obstetrícia, 2000
Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumo... more Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumor trofoblástico gestacional (TTG) pós-mola hidatiforme completa (MHC). Analisar a curva de regressão do β-hCG após esvaziamento molar, das pacientes com MHC atendidas no HC de Botucatu, UNESP e comparar com a curva de regressão observada por outros autores. Pacientes e Métodos: foi realizada avaliação clínica e laboratorial (dosagem seriada do β-hCG) em todas as pacientes com MHC, atendidas entre 1990 e 1998, no HC de Botucatu, UNESP. Foram analisados os preditores clínicos para TTG estabelecidos por Goldstein et al. (1981) e por outros nove autores. A avaliação histopatológica incluiu os critérios de risco para TTG, de Ayan et al. (1996). A determinação seriada do β-hCG foi analisada e comparada em curvas log de regressão, com intervalo de confiança a 95%: MHC com remissão espontânea e MHC com TTG. A curva log de regressão do grupo de remissão espontânea foi comparada com a de Morrow et al. (1977) e com a de
Os macrófagos na placenta durante o trabalho de parto
Revista Brasileira de Ginecologia e Obstetrícia, 2009
First Trimester Maternal Ophthalmic Artery Doppler Analysis For Prediction Of Pre-Eclampsia
Ultrasound in Obstetrics & Gynecology, 2014
Quantification of animal fat biodiesel in soybean biodiesel and B20 diesel blends using near infrared spectroscopy and synergy interval support vector regression
Talanta, 2014
In this work, multivariate calibration based on partial least squares (PLS) and support vector re... more In this work, multivariate calibration based on partial least squares (PLS) and support vector regression (SVR) using the whole spectrum and variable selection by synergy interval (siPLS and siSVR) were applied to NIR spectra for the determination of animal fat biodiesel content in soybean biodiesel and B20 diesel blends. For all models, prediction errors, bias test for systematic errors and permutation test for trends in the residuals were calculated. The siSVR produced significantly lower prediction errors compared to the full spectrum methods and siPLS, with a root mean squares error (RMSEP) of 0.18%(w/w) (concentration range: 0.00%-69.00%(w/w)) in the soybean biodiesel blend and 0.10%(w/w) in the B20 diesel (concentration range: 0.00%-13.80%(w/w)). Additionally, in the models for the determination of animal fat biodiesel in blends with soybean diesel, PLS and SVR showed evidence of systematic errors, and PLS/siPLS presented trends in residuals based on the permutation test. For the B20 diesel, PLS presented evidence of systematic errors, and siPLS presented trends in the residuals.
Background: Age-related macular degeneration (AMD) is the ma- jor cause of irreversible blindness... more Background: Age-related macular degeneration (AMD) is the ma- jor cause of irreversible blindness. AMD appears to share several carbohydrate-related mechanisms and risk factors with diabetes- related diseases, including retinopathy and cardiovascular disease (CVD); however, to date, only one small study has addressed this issue. Objective: The objective was to test the hypothesis that dietary glycemic index (dGI), which has been related to the risk of diabetes and CVD, is associated with the risk and severity of AMD in non- diabetic elderly populations. Design: Dietary information was obtained from 4099 participants aged 55-80 y (56% women) in the Age-Related Eye Disease Study (AREDS). A total of 8125 eligible eyes at baseline were classified into 1 of 5 AMD groups according to the size and extent of drusen, the presence of geographic atrophy, and neovascular changes. We used a generalized estimating approach to evaluate the relations between dGI and risk and severity of AMD with ey...
Diesel oil quality parameter determinations using support vector regression and near infrared spectroscopy for hydrotreated feedstock monitoring
Journal of Near Infrared Spectroscopy, 2012
Production monitoring and final quality control of diesel can be performed in refineries using ne... more Production monitoring and final quality control of diesel can be performed in refineries using near infrared (NIR) spectroscopy combined with regression algorithms. Partial least squares (PLS) is the multivariate regression approach commonly used for such purposes, but it is deficient for modelling complex data sets, such as found in diesel production at refineries. On the other hand, support vector regression (SVR) has demonstrated greater efficiency with high generalisation performance. The aim of this work was to develop regression models using SVR to improve the effectiveness of determining feedstock quality parameters monitored for hydrotreating process control refinery diesel production. SVR and PLS models were developed for the parameters aniline point, cetane index, density and temperature of distillation (initial boiling point and 50%, 85% and 90% recovered). The results indicate the superior modelling capability of SVR. SVR models predicted test set samples with root mean ...
Revista Brasileira de Ginecologia e Obstetrícia, 2000
Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumo... more Objetivo: definir os preditores clínicos e histopatológicos mais eficientes de evolução para tumor trofoblástico gestacional (TTG) pós-mola hidatiforme completa (MHC). Analisar a curva de regressão do β-hCG após esvaziamento molar, das pacientes com MHC atendidas no HC de Botucatu, UNESP e comparar com a curva de regressão observada por outros autores. Pacientes e Métodos: foi realizada avaliação clínica e laboratorial (dosagem seriada do β-hCG) em todas as pacientes com MHC, atendidas entre 1990 e 1998, no HC de Botucatu, UNESP. Foram analisados os preditores clínicos para TTG estabelecidos por Goldstein et al. (1981) e por outros nove autores. A avaliação histopatológica incluiu os critérios de risco para TTG, de Ayan et al. (1996). A determinação seriada do β-hCG foi analisada e comparada em curvas log de regressão, com intervalo de confiança a 95%: MHC com remissão espontânea e MHC com TTG. A curva log de regressão do grupo de remissão espontânea foi comparada com a de Morrow et al. (1977) e com a de
Revista Brasileira de …, 1998