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The tonne (/ t ʌ n / ⓘ or / t ɒ n /; symbol: t) is a unit of mass equal to 1,000 kilograms.It is a non-SI unit accepted for use with SI.It is also referred to as a metric ton in the United States to distinguish it from the non-metric units of the short ton (United States customary units) and the long ton (British imperial units).
After the purchase of SABIC, [14] [15] oil giant Saudi Aramco is now considered to be the world's largest producer [16] with an estimated production capacity of 2.37 million metric tons per year (mt/yr). [17] Worldwide production capacity of MTBE in 2018 was estimated to be 35 million metric tons. [18]
Quantities, Units and Symbols in Physical Chemistry, also known as the Green Book, is a compilation of terms and symbols widely used in the field of physical chemistry. It also includes a table of physical constants , tables listing the properties of elementary particles , chemical elements , and nuclides , and information about conversion ...
The most commonly mined lead ore is galena (lead sulfide). 4 million metric tons of lead are newly mined each year, mostly in China, Australia, the United States, and Peru. The ores are mixed with coke and limestone and roasted to produce pure lead.
Global LPG production reached over 292 million metric tons per year (Mt/a) in 2015, while global LPG consumption to over 284 Mt/a. [37] 62% of LPG is extracted from natural gas while the rest is produced by petroleum refineries from crude oil. [38] 44% of global consumption is in the domestic sector. The U.S. is the leading producer and ...
Harbour ton, used in South Africa in the 20th century, was equivalent to (2,000 pounds (907 kg)) or 1 short ton. Assay ton (abbreviation 'AT') is not a unit of measurement but a standard quantity used in assaying ores of precious metals. A short assay ton is approximately 29.17 g (1.029 oz) and a long assay ton is approximately 32.67 g (1.152 oz).
Mt—one million tons (ambiguous as to whether short tons or metric tons) —one Metric ton; MTBE—methyl tertiary butyl ether; MTEF—Medium Term Expenditure Framework; MTEP—Midwest ISO Transmission Expansion Plan 2005 (US) Mtoe—One million tons of oil equivalent(EU) Muni—Municipality; MVA—Megavolt amperes (one million volt amperes)
The first group of metric units are those that are at present defined as units within the International System of Units (SI). In its most restrictive interpretation, this is what may be meant when the term metric unit is used. The unit one (1) is the unit of a quantity of dimension one. It is the neutral element of any system of units. [2]