منابع مشابه
The High-Speed Identification and Sorting of Nonferrous Scrap
There are various approaches to sorting alloys. Perhaps the most simple method and one which is in greatest use today is hand sortation, which is normally a rather inaccurate process. An opportunity exists to recover lowgrade nonferrous scrap by sorting it into various alloys with high accuracy by applying spectrographic analysis techniques. This article presents an alternative method for scrap...
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As XML data becomes central to business-critical applications, there is a growing need for efficient and reliable XML storage. Two main approaches have been proposed for storing XML data: native and colonial systems. Native systems (e.g., [9, 20]) are designed from the ground up specifically for XML and XML query languages. Colonial systems (e.g., [5, 7, 19]), on the other hand, attempt to reus...
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Hans Christian Oersted first heated potassium amalgam with aluminum chloride and produced tiny pieces of aluminum in 1825. This was twenty years after Sir Humphrey Davy first named the metal “aluminum.” Davy was the first to use electrolysis to produce samples of potassium, sodium, strontium, calcium, barium, magnesium and boron. He tried unsuccessfully for many years to produce aluminum by ele...
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Session 1948-49 I.T is customary on the occasion of his inauguration for your President to give you an address, and a wide variety of subjects has been chosen in previous years. Sometimes the speaker discussed some facets of his professional work, and at other times the address reflected his interest in matters not strictly medical, as in last year's memorable dissertation. It was chance which ...
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The success of the electronics industry over the last decade in developing the mass consumer market for computers, cellphones and other personal electronic equipment has been phenomenal. Society must now finds ways of safely and economically recovering the materials that are embedded in these products. This will require significant investment by governments, industry and individuals, in technol...
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ژورنال
عنوان ژورنال: Valuation Studies
سال: 2020
ISSN: 2001-5992
DOI: 10.3384/vs.2001-5992.2020.7.2.221-255