1、 1 LD84-1995 GB5817 86 GB5817 86 GB5748 85 GB5817 86 GB5817 86 GB5748 85 A B C 2 t m m min/d t i i min D d 4 1 4 4 1 4 1 4.1.3.1 4 1 4 2 B 4 1 4 3 a b c 4 1 4 4 GB934 4 1 4 5 GB934 4 1 4 6 a b 1.5m 1.1m 3 c GB934 7.1.37.1.8 B 4 1 4 7 GB934 4 1 4 8 a b GB934 4 1 4 9 a b c =4m/s d e f g 2min 8 h i B j
2、 2 3 m t 1 =t 2 =t m ? m m L/min ? j m j L/min t j m j min nm 4 GB3869 4 1 5 4 L L/ d 4 2 4 2 1 4 2 2 4 2 2 1 GB5748 2 GB5748 B C D E 4 2 2 2 GB5748 3 5 1 2 C 4 2 2 3 5 6 C m m mg/m 3 C k m k mg/m 3 Nm Q k m k L/min t k m k min W 1 m k mg W 2 m k mg 4 2 3 B m B 7 8 5 B B m m C s m mg/m 3 4 3 4 3 1 GB5817 A 4 3 2 SiO 2 F 9 SiO 2 F % SiO 2 F i i % N 5 5 1 4.14.3 1 1 1 “ ” L 6000L/ d L=6000L/ d 2 “ ” L 4000L/ d L=4000L/ d 5 2 SiO 2 F 70% 6 A _ _ _ 6 _ _ _ _ _ B _ _ _-_ cm _ kg _ m 2 _ _ kPa _ % _ m/s _ C _ _ _ _ _ _ _ _ % _ kPa _ 7 1995-9-1