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2、909 2013 1 2015 . 5. ISO 13909-8:2001 Hard coal and coce Mechanical sampling Part 8 Methods of testing for bias ( . . 8. ) ISO/TS 27 , SC 4 , , ( ). (en). . (IDT). 6. II ISO 13909-82013 , . () . , , 2014 , III ISO 13909-82013 , . , , . , . , , . IV ISO 13909-82013 1 1 2 1 3 1 4 2 5 4 6 4 7 4 8 9 10
3、11 12 () 6 6 7 9 19 (). () 20 28 29 V ISO 13909-82013 . . 8. Hard coal and coke. Mechanical sampling Part 8 Methods of testing for bias 2015 01 01 1 , ISO 13909. . , , , , . , , . “, , , “”, “”. 2 . , ( ). ISO 13909-1:2001, Hard coal and coke Mechanical sampling Part 1: General introduction( . . 1.
4、) ISO 13909-2:2001, Hard coal and coke Mechanical sampling Part 2: Coal Sampling from moving streams ( . . 2. . ) ISO 13909-4:2001, Hard coal and coke Mechanical sampling Part 4: Coal Preparation of test samples ( . . 4. . ) ISO 13909-5:2001 Hard coal and coke Mechanical sampling Part 5: Coke Sampli
5、ng from moving streams ( . . 5. . ) ISO 13909-6:2001 , Hard coal and coke Mechanical sampling Part 6: Coke Preparation of test samples ( . . 6. . ) ISO 13909-7:2001 Hard coal and coke Mechanical sampling Part 7: Methods for determining the precision of sampling, sample preparation and testing ( . .
6、7. , ) 3 ISO 13909-1. 1 ISO 13909-82013 4 4.1 . , , , , , . . , . , , , , . , , () . . , , . , , , , . , . , 0,20% 0,30 % (). . , , : - ; - ; - . , . , , , , . , , , (t-). , , . , , . , . , , , , , ( 1). , , , , , ( II). I , , . I , . 0. II I . , () , II . - , , I , II , 5 % I , II. 2 ISO 13909-82013 , ( ) , . , , . , , . , , , , , ( 7.2 7.3). , , . , / . , ( ), , , , , . , . , , , () , , . , , ( ISO 13909-2 ISO 13909-5). 4.2 ( ) 4.2.1 . , ,
