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2、petroleum products Determination of ignition delay and derived cetane number (DCN) of middle distillatefuels by combustion in a constant volume chamber). - 1.52004 ( 3.5). - -, 5 , - . () . - , , 2012 , - - II 1519520111 .12 13 24 .25 .26 .37 .37.1 37.2 .58 .59 .510 510.1 .510.2 .610.3 610.4 611 , (
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8、5165.6 6.1 3 3696.6.2 50:50 , , (6.1). . - , . .6.3 99,5 %, - 3,78 . , 4.6.4 99,0 %, , 10,4 . , 4.6.5 .6.6 , (20,9 c177 1,0) % . , 0,003 % . 0,025 % . . -. .6.7 , 0,1 % . , 1,5 .6.8 99,9 % .7 7.1 7.1.1 . , , . : (7.1.2) ; /, , ; ;,- ; ; , - ( ) . 1 .3 151952011:1 ; 2 , -;3 ;4 /();5 ();1 ; 2 , ; 3 (ps); 4 (a), ;5 ( ); 6 () (i);7 ; N1 ; 1 - ; 2 ; 3 - ;1 ; 2 ;3 ; 4 ; 5 ;6 ; 7 ; 8 ; 9; 10 ;11 ;12 ;13 ; 14 ; 15 ; 16 ;17 ;18 ;19 ;20 - ; 21 ; 22 ; 23
