1、LD981996 S 1997M 4 L - 1 - q ? 199786| 1?ubxi;TEv SY 8a1ua*g#9gYO S1ab+9W 353y!av SE/Su1 SBg5Sv/SS? 1991134|Bg5SwiSubxi;TEv ,8C?11998M 1 1LbI| ubxi;TEv LD981996 5M S Y SE/S O 1997M 4 7? LD981996 S 1997M 4 L - 2 - LD S S LD98-1996 bxi;TE Method of Measuring Concentration of Dust In the Air on the Pri
2、nciple of Scattered light. 1997 M 4 ? 1998M 1 1 L S ? - ;EbxiyaeLa ?+bP;/35?S7Sb SVIoTp1=SMSTB/T2323-92uMTbxMiiZEvb S?r#T GB5748uTbxZEv;TN9_ JJG846u;T3xN_?vb SSS/4iBgb SV 1998M 1 1Lb Sc AScb SgSg /#MB3f_b S1/aB+aabS,afb LD981996 S 1997M 4 L - 3 - SS bxi;TE LD981996 Method of Measuring Concentration
3、of Dust In the Air on the Principle of Scattered light. 1S S?;TxNbxMii iZEae1pb Sabcd8xxiyb 2S /ScHYVS7SHbS HU(rbS$PSZ)aP/SKV?b GB5748 TbxZE JJG846 ;T3xNN_? 3l S/lb 31 x b%8b 32 i 8bcxmg/m3b 33 Mi iLM1b;TxNs99 /sCPMb 34 i K bxi;TxNMi1b 4;E ;vb0H3;b;dxB LD981996 S 1997M 4 L - 4 - Hq/;xi1b;EbxiYV;Vpxi
4、ZEb 5ZE 51 4 T4 GB5748 ?bxiV17b 52 r 521 xirZE GB5748?b 5 2 2 rg)Vx 0M0s)bTMTM+b 53 i K 5 3 1 ;xNE_ JJG846_?_Z?Pb 5 3 2 |;TxNrN gBBBZ_HbNgRv 10cmb 533 /T9bi K K=C/R-B TK i Crbxib Mg/m3 R;TxNHW99/ sCPM B;TxN9/ sCPM b 534 K BHq/bx 12riMiM1sL1AP0.01HV| K +(Txb 54 Xi Xbxi KHiV/T9 C=R-B K TC xi mg/m3 R;T
5、xNHW99/ sCPM B;TxN9/ sCPM KXbxib 6e 61 ;TxNE_ JJG846_?_b 6 2 rP0MHMT#M+iN KLD981996 S 1997M 4 L - 5 - b 63 K MA80% (1m/s i1la#b 64 bxaaHqMH Kb 65 VP1 | Kc AUZE1VPb VP1KV n Wn n Wn 3 1.38 17 2.18 4 1.53 18 2.20 5 1.65 19 2.22 6 1.73 20 2.24 7 1.79 21 2.26 8 1.86 22 2.28 9 1.92 23 2.30 10 1.96 24 2.32 11 2.00 25 2.33 12 2.04 26 2.34 13 2.07 27 2.35 14 2.10 28 2.37 15 2.13 29 2.38 16 2.16 30 2.39 1Vonpo WnpVP|K 2 WnSDXXd /| HV|VP TXdVP X ( SDS
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