Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Angela Calvo"'
Publikováno v:
Croatian Journal of Forest Engineering, Vol 41, Iss 2, Pp 1-14 (2020)
Farm tractors are still widely used in many forestry operations. Predicting fuel and lubricant costs is difficult because their consumption depends on a number of factors such as hours worked and operations performed. Fuel and lubricant consumption i
Externí odkaz:
https://doaj.org/article/377a5959564249bfb80244e809fc2813
Publikováno v:
Journal of Agricultural Engineering, Vol 51, Iss 2 (2020)
Maize silage is one of the most used feedstock for the anaerobic digestion plants in Italy. As biomass, it is necessary to choose maize hybrids and sowing times to reach the maturity stage at the planned harvest period. In addition, the contractor ha
Externí odkaz:
https://doaj.org/article/9f59c738009a40a8989125838d5dc501
Publikováno v:
Plant, Soil and Environment, Vol 64, Iss 6, Pp 247-254 (2018)
An experimental site for the measurement of meteorological parameters in protected environment and the evaluation of the tomato cultivar variability is presented in this paper. The site was equipped with cultivation structures with different covering
Externí odkaz:
https://doaj.org/article/d7276711f52f4a5c8cccc4944f746554
Autor:
Angela Calvo, Marco Manzone
Publikováno v:
Croatian Journal of Forest Engineering, Vol 39, Iss 1, Pp 97-108 (2018)
Trailers may increase the risk of tractor overturn during wood transportation in dangerous conditions. In this work, tests were carried to simulate a trailer rollover using three two wheel tractors and a crawler tractor and three trailers (two single
Externí odkaz:
https://doaj.org/article/7b36190c23d54abbb7bd2ada85026061
Autor:
Angela Calvo, Gianfranco Airoldi
Publikováno v:
Animals, Vol 10, Iss 5, p 795 (2020)
A dairy farmer chooses the number of milking groups in function of the herd size, stall type and milking system also in small cow dairies (number of animals lower than 100–120). In these dairies, there are different milking systems (bucket, trolley
Externí odkaz:
https://doaj.org/article/e1ebef8c5f2b4a4f9ff8d5a5dd089263
Publikováno v:
Journal of Agricultural Engineering, Vol 45, Iss 3, Pp 103-110 (2014)
The electric hand held olive harvesters have a low weight (about 2 kg) and cause the fruit pick up by means of impacts produced by their vibrational tools: for this reason they transmit elevated vibration doses to the operator’s hand arm system dur
Externí odkaz:
https://doaj.org/article/ecbdfcb7c6594d95b6146b77df58a475
Publikováno v:
Croatian Journal of Forest Engineering, Vol 34, Iss 2, Pp 265-272 (2013)
A sample of 44 professional chainsaws was used to determine service life and maintenance cost for this type of equipment. Data were sourced from a large workshop, catering for regional forest crews in north western Italy. Chainsaw service life exceed
Externí odkaz:
https://doaj.org/article/ba20a46f2e0140188bf2e29b7bd1a78d
Publikováno v:
Water, Vol 9, Iss 12, p 972 (2017)
This paper intends to contribute to the debate on gender equality and water within the Sustainable Development Goals SDGs 5 and 6. Farmers organizations are often considered key stakeholders whose participation should be fostered to achieve a good wa
Externí odkaz:
https://doaj.org/article/33b858bfa1f5402bbbce385e57b93203
Autor:
Marco Manzone, Angela Calvo
Publikováno v:
Forests, Vol 8, Iss 11, p 456 (2017)
The frame structure of the trailer may influence both the traction and the tractor-trailer stability, especially along sloped paths. The aim of this research was to analyze a trailer overturning and the strains on the connected tractors (wheeled, or
Externí odkaz:
https://doaj.org/article/3f3a4c245224407f95110d3b66d931cf
Publikováno v:
Journal of Agricultural Engineering, Vol 44, Iss 2s (2013)
To correctly evaluate the vibration transmitted to the operators, it is necessary to consider each body’s point interested by the vibratory stimulus produced by machines. All the body’s part in contact to the vibration, when a portable device wit
Externí odkaz:
https://doaj.org/article/50d0ece391c6463bad485f3a80337d18