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A three-year comparison of profitability of organic and conventional beef production systems

Autor: D Younie, G W Carr, D S Yackiminie

Publikováno v: Proceedings of the British Society of Animal Production (1972). 1993:208-208

There is a demand for organically produced meat from consumers concerned about environmental protection, food quality and animal welfare. Premium prices are claimed for most organic foods, but offset against these must be the possibility of reduced o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32f012eaeab9cc03ab4970ddff62cc47
https://doi.org/10.1017/s0308229600025307

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Some Aerodynamic Aspects of Safety in Road Vehicles: First Paper: Aerodynamic Lift Characteristics of Cars

Autor: G. W. Carr

Publikováno v: Proceedings of the Institution of Mechanical Engineers. 187:333-347

The principal factors determining the aerodynamic lift of cars are identified from the results of an extensive series of wind-tunnel tests involving simple models of bluff and streamlined form and a variable-geometry saloon-car model. The influence i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99d468f19f225c519c5beea011b49527
https://doi.org/10.1243/pime_proc_1973_187_115_02

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