GOST ISO 9236-1-2011 Sensitometry of screen film systems for medical radiography Part 1 Determination of sensitometric curve shape speed and average gradient《医用放射照相用屏蔽 胶片系统 第1部分 感光.pdf

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GOST ISO 9236-1-2011 Sensitometry of screen film systems for medical radiography Part 1 Determination of sensitometric curve shape speed and average gradient《医用放射照相用屏蔽 胶片系统 第1部分 感光.pdf_第1页
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GOST ISO 9236-1-2011 Sensitometry of screen film systems for medical radiography Part 1 Determination of sensitometric curve shape speed and average gradient《医用放射照相用屏蔽 胶片系统 第1部分 感光.pdf_第5页
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1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFI-CATION (ISC) / 1 , - (ISO 9236-1:2004, IDT) 2013 ISO 9236-1 2011 ISO 923612011 II , 1.092 -. 1.22009 -. , . , , , 1 - () 2 - () 3 , - ( 40-2011 29 2011 .) : (ISO 3166) 00497 (ISO 3166) 00497 BY KZ KG RU TJ 4 13 2011 . 1337- ISO 9236

2、-12011 1 2013 . 5 ISO 9236-1:2004 Pho-tography Sensitometry of screen/film systems for medical radiography Part 1: Determination of sensitometric curve shape, speed and average gradient (. / . 1. - , ). - . (IDT). 9236-12008 6 ( ) . - , - . - ISO 923612011 III C, 2013 -, - ISO 923612011 VI - ISO 923

3、6-1:2004 - . 1. , - , ISO/42 . - -/ , - . , , , , - . - /, - -/ . , - . . ISO 923612011 1 / - 1 , - Sensitometry of screen/film systems for medical radiography. Part 1. Determination of sensitometric curve shape, speed and average gradient 2013-01-01 1 - , -/ . , - (, -), (. 1). , . , - , , , - . 2

4、. , , . , ( ). ISO 923612011 2ISO 5-2:2001 Photography; density measurements; part 2: geometric conditions for transmission density (. . 2. - ) ISO 5-3:1995 Photography - Density measurements - Part 3: Spectral conditions (. . 3. (-) ISO 554:1976 Standard atmospheres for conditioning and/or testing;

5、 Specifications ( / . ) IEC 60522:1999 Determination of the permanent filtration of X-ray tube assemblies ( . ) 3 : 3.1 /: , (), , -. / , - . 3.2 : (, ), (, ) - , . (). 3.3 : . . 3.4 S: -/ , - . 3.5 G: , - . ISO 923612011 33.6 - D: . 3.7 k: , . - (k) , - 2. - 2 3. - . k = 2, , - 95 %, k = 3 99 %. -

6、- . 4 4.1 -. - (23 2) (. ISO 554), - , (50 20) %. 4.2 - - . 4.3 , , - () , , 12- - . , , - . ISO 923612011 4 . 1 , -, . - , 10 % , (, ). , - IEC 60522 , (2,5 0,2) Al. 2 - , . - , - IEC 60522 . 4.4 -. ( - 95 %) : 3 % -; 5 % , - . - 30 100 3. , 2, . . . , - , , , , - , , - . 4.5 /, , , . - ISO 923612011 5 -. , , . - . , , - , -. - , . : , -, , , , - , , . - , , - . , , - , . 1 - . . , , 30 , . - (23 2) , , - (50 20) %. - , , , , - , - . -, , 30 , - , , . 5 . ISO 923612011 6 2 - . , . 3 , -,

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