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When there is no public data on the element in its pure form, price of a compound is used, per mass of element contained. This implicitly puts the value of compounds' other constituents, and the cost of extraction of the element, at zero. For elements whose radiological properties are important, individual isotopes and isomers are listed. The ...
The current formulation of 100LL (low lead, blue) aviation gasoline contains 2.12 grams per US gallon (0.56 g/L) of TEL, half the amount of the previous 100/130 (green) octane avgas (at 4.24 grams per gallon), [85] and twice as much as the 1 gram per gallon permitted in regular automotive leaded gasoline prior to 1988 and substantially greater ...
The Chennai Port, one of the biggest in South Asia Chennai, formerly known as Madras, is the capital city of the Indian state of Tamil Nadu. As of 2022 the Nominal GDP of the Chennai metropolitan area is ₹ 756,055 crore (US$96.18 billion) Chennai has an economic base anchored by the automobile, software services, medical tourism, hardware manufacturing and financial services sectors with ...
The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, and a few Caribbean islands. [1]In parts of that zone (20 states in the US, three provinces or territories in Canada, and several border municipalities in Mexico), the Central Time Zone is affected by two time designations yearly: Central Standard Time (CST) is observed from ...
In the United States, the permissible exposure limit for lead in the workplace, comprising metallic lead, inorganic lead compounds, and lead soaps, was set at 50 μg/m 3 over an 8-hour workday, and the blood lead level limit at 5 μg per 100 g of blood in 2012. [320]
English: This chart shows the nominal price of gold along with the price in 1971 and 2011 dollars (adjusted based on the consumer price index). The historical gold price was obtained from www.igolder.com; CPI was obtained from www.rateinflation.com. The data is in section Chart Data.
The company today known as Sesa Goa was founded in 1954, as Scambi Economici SA Goa. [8] Since then, it gradually grew to become a large low-cost producer of iron ore. During 1991–1995, it diversified into the manufacture of pig iron and metallurgical coke. Scambi Economici Societa Anonyma (SESA), owned by Baron Ludovic Toeplitz, with the ...
In 1802 Madras Time was set up by John Goldingham [7] and this was later used widely by the railways in India. [8] Local time zones were also set up in the important cities of Bombay and Calcutta and as Madras time was intermediate to these, it was one of the early contenders for an Indian standard time zone.