Mole (mol).Unit of an amount of substance. The value of the mole is based on the Avogadro constant, which is 6.02214076 x 1023mol−1. One mole has exactly 6.022169 x 1023elementary entities. The SI standard also includes units derived from the base units. The derived units are defined ...
SI unit n (Units) any of the units adopted for international use under the Système International d'Unités, now employed for all scientific and most technical purposes. There are seven fundamental units: the metre, kilogram, second, ampere, kelvin, candela, and mole; and two supplementary unit...
10.1 SI definition of the ampere 174 10.2 SI and non-SI electrical and magnetic unit relationships 175 10.3 Magnetic fields in astronomy 183 10.4 Electric fields in astronomy 194 10.5 Summary and recommendations 195 11 Unit of amount of substance (mole) 197 11.1 SI definition of the mole 197 ...
TABLE D.1 SI UnitsSI Base UnitBase Quantity Name SymbolLength Meter mMass Kilogram kgTime Second sElectric current Ampere ATemperature Kelvin KAmount of substance Mole molLuminous intensity Candela cdTABLE D.2 Some Derived SI UnitsExpression in Expression inTerms of Base Terms of OtherQuantity Name...
能量单位:焦耳 符号J 电能单位:焦耳(J)或者“千瓦.时(kw.h)”或者“度” 1kw.h=1度
aThe amount of a substance containing a number of particles (atoms , molecules , ions ,electrons, etc ) equal to the number of atoms in 0.012kg of the carbon isotope is called a mole (the mole is a basic unit of the SI system ). 正在翻译,请等待...[translate]...
INTERNATIONAL SYSTEM OF UNITS (SI)
(length)米(meter)m 质量(mass)千克(公斤)(kilogram)kg 时间(time)秒(second)s 电流(electriccurrent)安培(ampere)A 热力学温度 (thermodynamictemperature) 开尔文(kelvin)K 物质的量(amountofsubstance)摩尔(mole)mol 发光强度(luminousintensity)坎德拉(candela)cd 注:1.圆括号()中的名称,是其前的名称的同义词...
SI Base UnitBase Quantity Name SymbolLength Meter mMass Kilogram kgTime Second sElectric current Ampere ATemperature Kelvin KAmount of substance Mole molLuminous intensity Candela cdTABLE D.2 Some Derived SI UnitsExpression in Expression inTerms of Base Terms of OtherQuantity Name Symbol Units SI ...
The mole, symbol mol, is the SI unit of amount of substance. The candela, symbol cd, is the SI unit of luminous intensity in a given direction.Measurement Techniques