1

one

138 quantities·Parts 3, 4, 5, 6, 7, 9, 10, 12, 13

ISQ Identifiers

ISO URN

urn:iso:std:iso:80000:unit:u:one

IEC URN

urn:iec:std:iec:80000:unit:u:one

Ontology
isq:Unit

Class Hierarchy

smart:Entity smart:TermEntryisq:Unit

A unit of measurement used to express the magnitude of a physical quantity.

Instance IRI

unitsml:u:one

Properties

Property	Value
rdf:type	isq:Unit
dcterms:identifier	NISTu61
unitsml:id	u:one
skosxl:prefLabel	"one"@en
skos:notation	"1"
unitsml:unitSystem	SI derived non-special
unitsml:scaleReference	continuous ratio
unitsml:root	false
dcterms:references	qudt: http://qudt.org/vocab/unit/ONE

Related Entities

isq:UnitShape isq:Dimension isq:hasUnit smart:TermEntry

Part 3: Space and Time

6 quantities

3-5angular measure 3-6rotational displacement 3-7phase angle 3-8solid angular measure 3-16rotation 3-25logarithmic decrement

Part 4: Mechanics

11 quantities

4-4relative mass density 4-17.1strain 4-17.2relative linear strain 4-17.3shear strain 4-17.4relative volume strain 4-18Poisson number 4-23.1static friction coefficient 4-23.2kinetic friction factor 4-23.3rolling resistance factor 4-23.4drag coefficient 4-29efficiency <mechanics>

Part 5: Thermodynamics

11 quantities

5-17.1ratio of specific heat capacities 5-17.2isentropic exponent 5-25.1efficiency <thermodynamics>5-25.2maximum efficiency 5-29mass ratio of water to dry matter 5-30mass ratio of water vapour to dry gas 5-31mass fraction of water 5-32mass fraction of dry matter 5-33relative humidity 5-34relative mass concentration of vapour 5-35relative mass ratio of vapour

Part 6: Electromagnetism

12 quantities

6-15relative permittivity 6-16electric susceptibility 6-27relative permeability 6-28magnetic susceptibility 6-38number of turns in a winding 6-42.1coupling factor 6-42.2leakage factor 6-48 6-53quality factor 6-54loss factor 6-55loss angle 6-58power factor

Part 7: Light and Radiation

21 quantities

Part 9: Physical Chemistry

26 quantities

Part 10: Atomic and Nuclear

32 quantities

10-1.1atomic number 10-1.2neutron number 10-1.3nucleon number 10-5.2charge number 10-13.1quantum number 10-13.2principal quantum number 10-13.3orbital angular momentum quantum number 10-13.4magnetic quantum number 10-13.5spin quantum number 10-13.6total angular momentum quantum number 10-13.7nuclear spin quantum number 10-13.8hyperfine structure quantum number 10-14.1Landé factor 10-14.2stem:[g] factor of nucleus or nuclear particle 10-22.1relative mass excess 10-22.2relative mass defect 10-23.1packing fraction 10-23.2binding fraction 10-35internal conversion factor 10-36particle emission rate 10-59total ionization 10-68resonance escape probability 10-69lethargy 10-70average logarithmic energy decrement 10-74.1neutron yield per fission 10-74.2neutron yield per absorption 10-75fast fission factor 10-76thermal utilization factor 10-77non-leakage probability 10-78.1multiplication factor 10-78.2infinite multiplication factor 10-82quality factor <ionizing radiation>

Part 12: Condensed Matter

9 quantities

12-4Bragg angle 12-5.1short-range order parameter 12-5.2long-range order parameter 12-5.3atomic scattering factor 12-5.4structure factor 12-8Debye-Waller factor 12-13thermodynamic Grüneisen parameter 12-14Grüneisen parameter 12-31mobility ratio

Part 13: Information Science

10 quantities

13-4mean queue length 13-5loss probability 13-6waiting probability 13-9storage capacity 13-10equivalent binary storage capacity 13-20error probability 13-21Hamming distance 13-23decision content 13-27relative entropy 13-29relative redundancy

138 of 138 quantities