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  2. Science Citation Index Expanded - Wikipedia

    en.wikipedia.org/.../Science_Citation_Index_Expanded

    The Science Citation Index Expanded (previously titled Science Citation Index) is a citation index originally produced by the Institute for Scientific Information and created by Eugene Garfield. The Science Citation Index (SCI) was officially launched in 1964, [ 1 ] and later was distributed via CD / DVD . [ 2 ]

  3. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  4. Simon–Ehrlich wager - Wikipedia

    en.wikipedia.org/wiki/Simon–Ehrlich_wager

    Then, on paper, they bought $200 worth of each, for a total bet of $1,000, using the prices on September 29, 1980, as an index. They designated September 29, 1990, 10 years hence, as the payoff date. If the inflation-adjusted prices of the various metals rose in the interim, Simon would pay Ehrlich the combined difference.

  5. Materials Science Citation Index - Wikipedia

    en.wikipedia.org/wiki/Materials_Science_Citation...

    This then encompasses applied physics, ceramics, composite materials, metals and metallurgy, polymer engineering, semiconductors, thin films, biomaterials, dental technology, as well as optics. The database indexes relevant materials science information from over 6,000 scientific journals that are part of the ISI database which is ...

  6. Metal prices - Wikipedia

    en.wikipedia.org/wiki/Metal_prices

    Metal prices are the prices of metal as a commodity that are traded in bulk at a predefined purity or grade. Metal can be split into three major categories, precious metals, industrial metals and other metals. Precious metals and industrial metals are priced by trading of those metals on commodities exchanges. [1]

  7. Special access program - Wikipedia

    en.wikipedia.org/wiki/Special_access_program

    The treatment of SCI is singular among SAPs, and it seems there is some disagreement within the government as to whether or not SCI is a SAP. Defense Department sources usually state that it is, [ 11 ] [ 12 ] and at least one publication refers to a separate SCI-SAP category alongside the three listed above. [ 13 ]

  8. American Metal Market - Wikipedia

    en.wikipedia.org/wiki/American_Metal_Market

    American Metal Market (AMM) is an online provider of industry news and metal pricing information for the U.S. steel, nonferrous and scrap markets. Products include a daily publication available electronically, live news on the publication's website, a hard-copy magazine and a series of weekly newsletters covering niche markets.

  9. Comparison of commercial battery types - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_commercial...

    This is a list of commercially-available battery types summarizing some of their characteristics for ready comparison. ... Metal hydride: KOH Yes 1990 [1] 0.9–1.05 ...