GB/T 12823.1-2008 English PDF

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GB/T 12823.1-2008: Photography -- Density measurement -- Part 1: Terms, symbols and notations
Status: Valid

GB/T 12823.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12823.1-2008	254	Add to Cart	3 days	Photography -- Density measurement -- Part 1: Terms, symbols and notations	Valid
GB/T 12823-1991	519	Add to Cart	4 days	Terms, symbols, coordinate system and functional notations for photographic density measurements	Obsolete

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Basic data

Standard ID: GB/T 12823.1-2008 (GB/T12823.1-2008)
Description (Translated English): Photography -- Density measurement -- Part 1: Terms, symbols and notations
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G80
Classification of International Standard: 37.040.20
Word Count Estimation: 13,162
Date of Issue: 2008-09-24
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 12823-1991
Adopted Standard: ISO 5-1-1984, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 16 of 2008 (No. 129 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the description of measuring the degree of sample modulated radiation flux and spectral geometry conditions terminology, symbols, coordinate system, suitable for photography and radiation science. It is primarily required for measurement or photographic material and reflection characteristics of the transmission method to provide a system description. Note: In addition to the language used in official terminology ISO, the international standards gives the German equivalent terms. According to ISO/TC 42 Technical Committee's request already includes them, and should be members of the body of the request in German, FR (DIN) publication. However, as an ISO terms and definitions, can only be considered in the official language of the terms and definitions given.

GB/T 12823.1-2008: Photography -- Density measurement -- Part 1: Terms, symbols and notations

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Photography Density measurement Part 1. Terms, symbols and notations ICS 37.040.20 G80 National Standards of People's Republic of China GB/T 12823.1-2008/ISO 5-1. 1984 Replacing GB/T 12823-1991 Photographic density measurements - Part 1. Terminology, symbols and notations (ISO 5-1. 1984, IDT) Posted 2008-09-24 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 12823 "photographic density measurements" is divided into four parts. --- Part 1. Terms, symbols and notations; --- Part 2. Geometric conditions for transmission density; --- Part 3. Spectral conditions; --- Part 4. Geometric conditions for reflection density. This section GB/T 12823 Part 1. This part identical with ISO 5-1. 1984 "photographic density measurements --- --- Part 1. Terms, symbols and notations" (in English). This section is equivalent translation ISO 5-1. 1984. Technical content of ISO 5-1. 1984 is consistent. For ease of use, this section made the following editorial changes. a) "This part of ISO 5" be replaced by "GB/T 12823 in this section"; b) use a decimal point instead of a decimal comma ",". ","; c) Delete ISO 5-1. 1984 Foreword. The ISO 5-1. 1984 Introduction This section is directly translated into the introduction; d) Normative references introductory phrase file to GB/T 1.1-2000 specified key words. This Part replaces GB/T 12823-1991 "Term Symbol photographic density measurement, the coordinate system and functional notation." This section compared with the GB/T 12823-1991, the main changes are as follows. GB/T 11500-2008 photographic density measurements - Part 2. Density perspective geometry (ISO 5-2.2001, IDT) GB/T 11501-2008 photographic density measurements - Part 3. Spectral conditions (ISO 5-3.1995, IDT) GB/T 12823.4-2008 photographic density measurements - Part 4. Geometric conditions for reflection density (ISO 5-4.1995, IDT) ISO 31/6 Quantities and units of light and related electromagnetic radiation CIE Publication No. 17 (E-1.1) 1970, International vocabulary of light CIE Publication No. (TC-2.3) 38 1977, material characteristics and optical radiation measurement

3 Terms and Definitions

ISO 31/6, CIE Publication No. 17 (E-1.1) 1970, CIE publication No. 38 (TC-2.3) 1977 and the like to establish the following terms And definitions apply to this section. 3.1 He described the incident on the sample surface representation or sampling openings word radiation flux. 3.2 Describe represented by the sample surface or sampling holes and is word receptacle evaluated radiation flux. 3.3 Through which radiant energy per unit time. Foot mark to distinguish between different types of flux. 3.4 Φi Incident flux on the sample test area defined sampling hole. GB/T 12823.1-2008/ISO 5-1. 1984 ......

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