|
|
|
|
|
Vale, Welington Gonzaga do; UENF; Garcia, Ricardo Ferreira; UENF; Thiebaut, José Tarcísio Lima; UENF; Amim, Reynaldo Tancredo; UENF; Tourino, Maria Cristina Cavalheiro; UFV. |
O objetivo deste trabalho foi analisar o desempenho e o tamanho amostral ideal (n) da patinagem e a capacidade de campo de uma semeadora em plantio direto (PD) e convencional (PC). Foi utilizado o método de amostragem ao acaso para determinação de n, considerando populações infinitas. Para estimar a patinagem no PC, com α = 5% e precisão igual a 5, 10, 15 e 20%, é necessário um número de repetição igual a 115, 29, 13 e 8, respectivamente. Já no PD, observou-se 422, 106, 47 e 27, respectivamente. Para a capacidade de campo teórica (Ct) no PC, é necessário um número de repetição igual a 27, 7, 3 e 2, respectivamente. Já no PD, observou-se 45, 12, 5 e 3, respectivamente. Para a capacidade de campo efetiva (Ce) da semeadora no PC, é necessário um número de... |
|
Palavras-chave: 5.01.00.00-9 Agronomia amostragem; Capacidade de campo; Patinagem. sampling; Field capacity; Slip. |
Ano: 2008 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/5295 |
| |
|
|
Francesco Barreca; Mediterranean University of Reggio Calabria, Faculty of Agricultural Sciences. |
One of the most common causes of accidents in food industry buildings is slipping caused, in particular, by the spilling of liquid substances on the floor, which reduces the coefficient of friction between floor and sole. The aim of this study was to assess the performance of the most common types of flooring used in the food industry, where, owing to the characteristics of the manufacturing stages, the probability of liquid spilling is higher. Five different types of flooring, usually utilized in the food industry, were tested: two unglazed gres tiles and three resin floors. The tiles were different in surface shape: one was flat (gres A), the other was a tile with embossed surface (gres B). The surface of the resin used was made up of a three-component... |
|
Palavras-chave: AGRI FOOD BUILDING DESIGN Floor; Slip; Worker safety; Food industry buildings; Dynamic Friction Coefficient. |
Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3209 |
| |
|
|
Barreca, Francesco. |
One of the most common causes of accidents in food industry buildings is slipping caused, in particular, by the spilling of liquid substances on the floor, which reduces the coefficient of friction between floor and sole. The aim of this study was to assess the performance of the most common types of flooring used in the food industry, where, owing to the characteristics of the manufacturing stages, the probability of liquid spilling is higher. Five different types of flooring, usually utilized in the food industry, were tested: two unglazed gres tiles and three resin floors. The tiles were different in surface shape: one was flat (gres A), the other was a tile with embossed surface (gres B). The surface of the resin used was made up of a three-component... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: AGRI FOOD BUILDING DESIGN Floor; Slip; Worker safety; Food industry buildings; Dynamic Friction Coefficient. |
Ano: 2015 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3209 |
| |
|
|
Chioderoli,Carlos A.; Furlani,Carlos E. A.; Aguiar,Aislan O.; Cavichioli,Fábio A.; Cassia,Marcelo T.. |
The use of no tillage system associated with the crop-livestock integration is an alternate managing that promotes the accumulation of dry matter in the soil, an essential fact to make the system sustainable and profitable. The aim of this study was to evaluate the operational performance of a planter-tractor set on maize straws intercropped with Urochloa, in different seeding modes. The soybean crop was seed on the intercropping of two forage species (Urochloa brizantha and Urochloa ruziziensis) in five cropping systems: MBL (Maize with Urochloa in the maize seeding row, mixed with base fertilizer and deposited at 0.10 m), MBE (Maize with Urochloa seeded between rows at the same day of seeding maize), MBC (Urochloa between rows of maize seeded with the... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: No tillage system; Crop-livestock integration; Slip; Operating performance. |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000500009 |
| |
|
|
|