992 resultados para 1928-1943
Resumo:
In this thesis the purpose was to obtain a good iron deposit from a relatively simple bath. The deposit was to be of good nature and low in Carbon content. Also included is a summary of the uses to which electrolytic iron can be put as well as a summary of work done by other researchers in depositing iron electrolytically.
Resumo:
Imports of manganese ore probably supply a major proportion of the needs of the United States. Domestic production is reported to be higher than pre-war levels, but does not equal that of the peak production year of 1943. In 1946, the Anaconda Copper Mining Company accounted for 90 percent of the total shipments of manganese nodules, and this company is the largest producer of domestic metallurgical ore in the United States.
Resumo:
Salomon belongs to the known and nevertheless unknown ‘pioneers’ of social work in the world. She founded one of the first Schools of Social Work (Berlin 1908) and was the first president of the International Association of Schools of Social Work (1929-1937). Her theoretical work however is almost forgotten or not really part of the debate about social work history.