Results 11 to 20 of about 614,697 (267)
Engenharia Agrícola, 2004 O objetivo do presente trabalho foi estudar o desempenho de uma semeadora-adubadora, operando em duas velocidades sobre a palhada da cultura do milheto (Pennisetum glaucum (L.) R.
Klinger B. Branquinho +5 more
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Acta Scientiarum: Biological Sciences, 2015 The construction of reservoirs imposes substantial impact on freshwater ecosystems and changes the ecological aspects of the lotic system downstream of dams.
Tatiane Mantovano +4 more
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TRAFFIC VOLUMES TEST OF AIRPORT RUNWAY
Civil Engineering Journal, 2021 Currently, airport pavement design only considers the different horizontal standard deviation at the end and the middle of the runway, which had ignored the longitudinal distribution of airport runway traffic volume (ARTV).
Xingang Shi, Liangcai Cai, Guanhu Wang
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Brazilian Archives of Biology and Technology, 2000 Hypostomus punctatus was collected between June/1987 and July/1988, in three sampling stations with different features, along the Ubatiba stream (Maricá, Rio de Janeiro state).
Márcia S. de Menezes +1 more
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A longitudinal study of Campylobacter distribution in a turkey production chain [PDF]
Acta Veterinaria Scandinavica, 2009 Campylobacter is the most common cause of bacterial enteritis worldwide. Handling and eating of contaminated poultry meat has considered as one of the risk factors for human campylobacteriosis. Campylobacter contamination can occur at all stages of a poultry production cycle.
Perko-Mäkelä, P. +5 more
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Engenharia Agrícola, 2006 Teve-se o objetivo de verificar a possível seleção de sementes de milho - arredondadas e achatadas - no processo de semeadura com disco perfurado horizontal, bem como as conseqüências na distribuição longitudinal.
Roberto Jasper +2 more
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A Class of Distribution-Free Models for Longitudinal Mediation Analysis [PDF]
Psychometrika, 2014 Mediation analysis constitutes an important part of treatment study to identify the mechanisms by which an intervention achieves its effect. Structural equation model (SEM) is a popular framework for modeling such causal relationship. However, current methods impose various restrictions on the study designs and data distributions, limiting the utility ...
Gunzler, D. +4 more
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Revista Brasileira de Engenharia Agrícola e Ambiental, 2007 O desempenho de um conjunto formado por um trator agrícola equipado para agricultura de precisão e um distribuidor centrífugo não adaptado para aplicações de fertilizantes em taxas variáveis, deve ser avaliado, sendo este o objetivo principal do presente
Valmir Werner +4 more
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Engenharia Agrícola, 2007 O presente trabalho foi conduzido na área experimental do Laboratório de Máquinas e Mecanização Agrícola da UNESP - Jaboticabal, em um Latossolo Vermelho eutroférrico, em preparo convencional.
Adilson J. R. Mello +4 more
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Agronomy, 2023 Soil biodiversity plays an important role in maintaining soil fertility and agricultural health. Exploring the patterns of soil fauna diversity across geographical gradients is a fundamental and crucial scientific topic for understanding the mechanisms ...
Jiahuan Sun +6 more
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