منابع مشابه
The Information Furnace: User-friendly Home Control
The Information Furnace is a basement-installed PC-type device that integrates existing consumer home-control, infotainment, security, and communication technologies to transparently provide user-friendly access and value-added services. A modern home contains a large number of sophisticated devices and technologies. Access to these devices is currently provided through a wide variety of dispar...
متن کاملCopper coating of carbon steel by a furnace brazing process using brass as the braze
A ship building grade of carbon steel has been coated with copper by a furnace brazing process starting from a brass braze. An argon protective atmosphere was used to prevent oxidation of the steel. However, when the deposit was produced a low gas flow rate ensured that zinc was lost from the brass by oxidation leaving a copper deposit on the steel surface. The copper was found to be zinc free ...
متن کاملChronic exposure to zinc of furnace operators in a brass foundry.
Hamdi, A. E. (1969). Brit. J. industr. Med., 26, 126-134. Chronic exposure to zinc of furnace operators in a brass foundry. Twelve furnace operators with chronic exposure to zinc oxide fumes in a brass foundry and 10 normal non-exposed control subjects were studied. Simultaneous determinations of zinc concentrations in the plasma, blood corpuscles, whole blood, and urine were made for each work...
متن کاملHome Made: New Media in the Home Mode
This essay investigates the peculiar situation of a new media project which takes as its raw material the home-video archive of a deaf man gone blind. In an attempt to revive this 'lost archive', Planet Usher: An Interactive Home Movie looks to uncover enduring spaces of productivity and, in the process, to make a case for the enduring viability and importance of home modes of production. While...
متن کاملA Home-Made Hartshorne-Serre Correspondence
We provide an elementary proof of the Hartshorne-Serre correspondence for constructing vector bundles from local complete intersection subschemes of codimension two. This will be done, as in the correspondence of hypersurfaces and line bundles, by patching together local determinantal equations in order to produce sections of a vector bundle.
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ژورنال
عنوان ژورنال: Scientific American
سال: 1909
ISSN: 0036-8733
DOI: 10.1038/scientificamerican03131909-208c