منابع مشابه
Did Ragnar Frisch discover input - output economics ?
Ragnar Frisch on various occasions claimed that he had invented input-output analysis in a 1934 paper titled “Circulation planning”. Although prominently published in Econometrica, Frisch’s contribution has hardly been discussed in the input-output literature. Frisch’s paper was an attempt to explain the incapsulating phenomena of economic depressions and thus arose from a different motivation ...
متن کاملRAGNAR RYLANDER and MARIE-CLAIRE SNELLA
Rylander, R. and Snella, M.-C. (1976). British Journal of Industrial Medicine, 33, 175-180. Acute inhalation toxicity of cotton plant dusts. The number of free lung-cells was studied in guinea-pigs after acute exposure to extracts of various cotton dusts. A good correlation was found between the increase in number of leucocytes in the airways and the number of Gram-negative bacteria in the diff...
متن کاملVisitors Unchained
Traversing and transforming abstract syntax trees that involve name binding is notoriously difficult to do in a correct, concise, modular, customizable manner. We address this problem in the setting of OCaml, a functional programming language equipped with powerful object-oriented features. We use visitor classes as partial, composable descriptions of the operations that we wish to perform on a...
متن کاملVisitors Unchained
Traversing and transforming abstract syntax trees that involve name binding is notoriously di cult to do in a correct, concise, modular, customizable manner. We address this problem in the setting of OCaml, a functional programming language equipped with powerful object-oriented features. We use visitor classes as partial, composable descriptions of the operations that we wish to perform on abs...
متن کاملThe Training of Health Visitors
Ten years ago tliere seemed little hope of unanimity of opinion among medical officers of health concerning the qualifications of health visitors. Some administrators in the public-health service considered that general nursing training was necessary, some thought a certificate of the Central Midwives Board sufficient, while others advanced the view that it was essential that candidates for app...
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ژورنال
عنوان ژورنال: PORTO ARTE: Revista de Artes Visuais
سال: 2020
ISSN: 2179-8001
DOI: 10.22456/2179-8001.94196