GOST ISO 13909-7-2013 Hard coal and coke Mechanical sampling Part 7 Methods for determining the precision of sampling sample preparation and testing《硬煤和焦炭 机械取样 第7部分 取样精度的测定方法 样品制备和.pdf

《GOST ISO 13909-7-2013 Hard coal and coke Mechanical sampling Part 7 Methods for determining the precision of sampling sample preparation and testing《硬煤和焦炭 机械取样 第7部分 取样精度的测定方法 样品制备和.pdf》由会员分享，可在线阅读，更多相关《GOST ISO 13909-7-2013 Hard coal and coke Mechanical sampling Part 7 Methods for determining the precision of sampling sample preparation and testing《硬煤和焦炭 机械取样 第7部分 取样精度的测定方法 样品制备和.pdf（44页珍藏版）》请在麦多课文档分享上搜索。

1、 , () INTERTATE COUNCIL FOR STANDARDIZATION, METROLOGYAND CERTIFICATION (ISC) ISO 13909-72013 7 , (ISO13909-7:2001, IDT) ISO 13909-72013 II , - 1.092 . 1.22009 , -, . , , , . 1. - , , ( ) - ( ) - ISO 13909-7:2001 , . 2. . 3. , (- 14.11.2013 . 44-2013 ) ( 3166) 00497 ( 3166) 004 97 AM BY RU UZ 4 22 -

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5、 ) ISO 13909-4:2001, Hard coal and coke Mechanical sampling Part 4: Coal Preparation of test sam-ples ( . . 4. . ) ISO 13909-5:2001 Hard coal and coke Mechanical sampling Part 5: Coke Sampling from mov-ing streams ( . . 5. . - ) ISO 13909-6:2001 , Hard coal and coke Mechanical sampling Part 6: Coke

6、Preparation of test sam-ples ( . . 6. . ) ISO 13909-8:2001 Hard coal and coke Mechanical sampling Part 8 Methods of testing for bias (- . . 8. ) 3 ISO 13909-1. 4 , - . , , , , , , . , , , 5. , , 6. ISO 13909-72013 2 , . (V1), n, u ( 5) - VPT. , - , - , . ( , , ). , V1 VPT, - . , - , - . - V1 . , - ,

7、 , , , . . - , , . , , , - ( 7). , , , , , . , , . . - . - , ( 7.3). - ( 8). , , . , , - . 9. , 5. 5 5.1 , - , - . , -. , , . j , , (1): = 2s = 2SPTV (1) ISO 13909-72013 3 s - , ; VSPT - . VSPT (1) -, , . . - , . , , , . (2): VSPT = nVI+ VPT (2) VI- ; VPT - ; n - . 5.2 , - , -, (2) : VSPT= mnVI+ mVPT(3) m - , , - . , (1) (3), , : mVmnVPPT12 (4) (4) , -