1、 7708200632006/26 - ISO 7708:1995Air quality Particle size fraction definitions for health-related sampling(IDT) 27 2002 . 184- , 1.02004 . 1 - - ( ) - , 42 457 3 - 24 2006 . 144-4 7708:1995 . - (ISO 7708:1995 Air quality Particle size fraction definitions for health-related sampling)5 , - . () . -
2、, - , 2006 , - II 770820061 .12 13 .24 .35 36 37 48 49 .4 () 5 () - .6 9III 77082006 , , , , , . - . , , . . , , , . - , . -, . , - . , , , . , , - - . , , 1 9.IV 77082006 - Air quality.Particle size fraction definitions for health-related sampling 200611011 - , , . , , - ( ). . , 4. - , (. 3). , ,
3、., , , , .2 :2.1 (sampling convention): . :- , , -,();- , , , ( ).2.2 (particle aerodynamic diameter): - 1 /3, -, , . 0,5 . -, , .1 77082006 2.3 (inhalable fraction): , . , - .2.4 I(inhalable convention): , .2.5 (extrathoracic fraction): , .2.6 (extrathoracic convention): - , .2.7 (thoracic fraction
4、): , .2.8 (thoracic convention): , .2.9 (thracheobronchial fraction): -, , .2.10 (thracheobronchial convention): , .2.11 (respirable fraction): , - .2.12 R(respirable convention): - , .2.13 (total airborne particles): , . - , -.3 , , . (.2.3)., ,- , . , - , - . : (. 2.4), (. 2.8), (. 2.12); (. 2.6)
5、(. 2.10) -, . , , - , , . , - , ; , (); , . . - ( ) -. - . - . , , - , .2 77082006 . - ( - ) , . 9.4 - , - . - , :a) ( ), - ( ). , - , . , - . , ;b) , ;c) , - , , . . , - . , , , . ;d) , , . ( ).5 - 4 /. I D, -, EI= 50(1 + exp0,06D), (1) D , . I .2 .1 .2 ( ). 100 , . - 4 / (2). , (2) - 90 9 /.EI= 50(1 + exp0,06D)+103u2,75exp0,055 D, (2) , /.6 . ,
