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International Standard Iso 80000-5 p o h S - e S A ILN a i v y p o C y l n o w ie v e r P - 5: Thermodynamique Partie et unités— Grandeurs Thermodynamics Part 5: Quantities andunits— STANDARD INTERNATIONAL 2007 : 5 - 80000 ISO ISO 80000-5:2007(E) 80000-5 Reference numbe Corrected version First edition © 2007-05-01 2011-06-01 ISO 2007 ISO r ISO 80000-5:2007(E) ii Published in Switzerland in Published ISO's memberbody in countrythe requester. theof electronic or mechanical, including photocopying and microfilm, withou All rights reserved. Unless otherwise specified, no part of this © ISO 2007 unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. Secretariattheat Central addressthegiven please inform isfound, to relating it thata problem event unlikely to care hasbeentaken Everyprinting. for were optimized parameters Details of the software products used to create this PDF file can b e found in t he General Info Adobeis a trademark Adobeof Systems Incorporated. relative to the file; the PDF-cr in area. this accepts no liability downloading this file, parties accept therein the responsibility of not not infringing be edit Adobe's ed licensing policy. unless The ISO the Central typefaces Se which This PDF containfile may embeddedIn accordancethistypefaces. file be printedwith may Adobe's licensing or policy, viewed b Web www.iso.org E-mail [email protected] Fax0922 47 + 749 41 Tel.11 +749 41 2201 20 CH-1211•Geneva Casepostale 56 office copyright ISO p o h S - e S COPYRIGHT PROTECTED DOCUMENT COPYRIGHT PROTECTED A ILN a i v y p o C y l n o w ie are embedded are licensedt o and inst alled on t he computer performing the editing. In v e r P - 2007 : 5 PDF disclaimer PDF - publication may be reproduced or utilized in any form or by an 80000 ensure that the file is suitable for use by ISO member bod member ISO by use for is suitable file the that ensure t t permission in writing from either ISO at the address be ISO © ISO 2007 – All rightsreserved cretariat ies. In the In ies. y means, ut shall low or eation p o h factors ....................................................................................................................... Annex B Annex A 32 Names, symbols, anddefinitions .............................................................................................. 1 Normative references ......................................................................................................... 0 Scope ........................................................................................................................ Foreword ...................................................................................................................... Introduction ................................................................................................................. Contents © S - ISO 2007 –rights All reserved e S A ILN (informative) (informative) a i v y p o C y l n Other non-SI units given for information, especially regarding the conversion conversion the regarding especially information, givenfor units non-SI Other a second, pound, foot, basedon the Units o w ie v e r P - 2007 : 5 - 80000 ISO nd some othernd related units ......... 20 .................................. 22 ................................ iv ISO 80000-5:2007(E) ............................ 1 ......................... vi ................. 1 ......... 1 Page iii ISO 80000-5:2007(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of tec hnical committees is to pr epare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 80000-5 was prepared by Technical Committee ISO/TC 12, Quantities and units, in collaboration with p IEC/TC 25, Quantities and units. o h S - This first edition cancels and replaces ISO 31-4:1992 and ISO 31-4:1992/Amd.1:1998. The major technical e S changes from the previous standards are the following: A ILN — the presentation of numerical statements has been changed; a i v — the normative references have been changed; y p o — some quantities concerning moisture have been added at the end of the list of quantities. C y l n ISO 80000 consists of the following parts, under the general title Quantities and units: o w ie — Part 1: General v e r — Part 2: Mathematical signs and symbols to be used in the natural sciences and technology P - — Part 3: Space and time 2007 : — Part 4: Mechanics 5 - — Part 5: Thermodynamics 80000 — Part 7: Light ISO — Part 8: Acoustics — Part 9: Physical chemistry and molecular physics — Part 10: Atomic and nuclear physics — Part 11: Characteristic numbers — Part 12: Solid state physics IEC 80000 consists of the following parts, under the general title Quantities and units: — Part 6: Electromagnetism — Part 13: Information science and technology — Part 14: Telebiometrics related to human physiology iv © ISO 2007 – All rights reserved ISO 80000-5:2007(E) This corrected version of ISO 80000-5:2007 incorporates the following corrections. — Foreword The titles of ISO/TC 12 and IEC/TC 25 have been updated. — Footnotes 1) to 5) The footnotes have been deleted. — Clause 2 The references have been updated. = = — 5-2 (Definition) “T0 : 275,15 K” has been changed to “T0 : 273,15 K”. — 5-2.a (Conversion factors and remarks) ISO 31-0:1992, 3.4 has been changed to ISO 80000-1:2009, 7.1.4. — 5-14 (Symbol) α has been changed to a. — 5-14 (Definition) α has been changed to a. — 5-16.1 (Remarks) ISO 31-8:1992 has been changed to ISO 80000-9:2009. — 5-19 (Remarks) ISO 31-8:1992 has been changed to ISO 80000-9:2009. p — 5-21.a (International Symbol) K has been changed to kg. o h S - e S A ILN a i v y p o C y l n o w ie v e r P - 2007 : 5 - 80000 ISO © ISO 2007 – All rights reserved v.
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