量和單位的國(guó)家標(biāo)準(zhǔn)
發(fā)布時(shí)間:2019-05-23 08:51
【摘要】:正量的符號(hào)一般為單個(gè)拉丁字母或希臘字母,并一律采用斜體(pH例外),如放射性活度的符號(hào)為A,單位為Bq;計(jì)量單位均用國(guó)家法定計(jì)量單位及其導(dǎo)出單位,并以單位符號(hào)表示,所用計(jì)量單位符號(hào)均為正體,如1s(1秒)、2min(2分鐘)、3h(3小時(shí))、4d(4天,序數(shù)詞不用符號(hào)、如第4天,不能寫成第4d)、1a(1年)、5cm(5厘米)、6kg(6公斤)等。復(fù)合計(jì)量單位的斜線不多于1個(gè),如mg/kg/d,應(yīng)改為mg/(kg·d)
[Abstract]:The positive symbol is generally a single Latin letter or Greek letter, and all of them are italic (with the exception of pH). If the symbol of radioactivity is A, the unit is Bq;. All units of measurement are national legal units of measure and their derived units, and are represented by unit symbols, such as 1s (1 second), 2min (2 minutes), 3 hours (3 hours), 4 days (4 days, no symbols for ordinal words), For example, on the 4th day, it can not be written as the 4th day), 1a (1 year), 5cm (5 cm), 6kg (6 kg), etc. No more than 1 slash for a compound unit of measure, such as mg/kg/d, should be changed to mg/ (kg 路d)
【分類號(hào)】:+
本文編號(hào):2483760
[Abstract]:The positive symbol is generally a single Latin letter or Greek letter, and all of them are italic (with the exception of pH). If the symbol of radioactivity is A, the unit is Bq;. All units of measurement are national legal units of measure and their derived units, and are represented by unit symbols, such as 1s (1 second), 2min (2 minutes), 3 hours (3 hours), 4 days (4 days, no symbols for ordinal words), For example, on the 4th day, it can not be written as the 4th day), 1a (1 year), 5cm (5 cm), 6kg (6 kg), etc. No more than 1 slash for a compound unit of measure, such as mg/kg/d, should be changed to mg/ (kg 路d)
【分類號(hào)】:+
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