- material quantity standard
- n.原料用量标准
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
material quantity standard
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Standard state — In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals exactly). This pressure was changed from 1 atm (101.325 kilopascals) by IUPAC in 1990. [GoldBookRef | file = S05910 | title = standard conditions for gases] The … Wikipedia
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standard materials usage — A predetermined quantity of materials to be used in the production of a product, which is ultimately compared with the actual quantity of material used to provide a basis for material control. The difference between standard and actual usage is… … Accounting dictionary
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