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霾与呼吸 PowerPoint PPT Presentation


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霾与呼吸. 北京. “ 阴霾天气比香烟更易致癌。 ”—— 钟南山 近30年来,我国公众吸烟率不断下降,但肺癌患病率却上升了4倍多。这可能与雾霾天增加有一定的关系。. 霾是什么?. 霾 / 阴霾. 霾,也称灰霾、阴霾,是以 颗粒物(主要是PM10和PM2.5 )为载体,以气象条件和污染因素共同作用而产生的一种 危害型天气现象 ,为 非水成物 组成的气溶胶系统。 灰霾发生时, 能见度明显降低 ,严重危害人体健康 。. 雾与霾.

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霾与呼吸

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304


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/

  • (PM10PM2.5)

  • ,


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  • 70%

  • 1310-2012

  • 1012


Pm particulate matter

PMparticulate matter

  • PM0.1-100m 12m

  • 2012

  • TSP, 100m

    • 10mPM10

    • 2.5mPM2.5


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    • 10umPM

    • 10umPM

    • 7umPM

    • 2.5PM


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  • 15,000 - 40,000g

Particle exposures and infections.Infection,2014


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  • 1952125128440001.2

  • (19521258)(TSP)1620gm3PM25486gm3TSP1400gm3PM2.5420gm

  • 19871994148190.9113.9


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Rob BeelenESCAPE3613.9PM2.557


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PM2.5PM2.563PM2.5


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304

  • 2010PM2.5

  • 35-50


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PM10

PM2.5

*Model 1: age (timescale in Cox model), sex, calendar time. Model 2: model 1 + smoking status, smoking intensity, square of smoking intensity, smoking duration, time since quitting smoking, environmental tobacco smoke, occupation, fruit intake,marital status, education level, and employment status. Model 3: model 2 + area-level socioeconomic status.

PM2.5518PM101022

93113


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  • PM2.5


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  • 1300


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  • PM2.5, ,


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-

  • :Svartengren,2.5m83 %,8.2m11.5m49 %31 %.

Particle exposures and infections.Infection,2014

Svartengren M , Falk R ,Linnman L. Deposition of large particles in human lung. Exp Lung Res. , 1987


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PM10 90ng/m3160110

  • 2008-7-17-209-20

  • 20085-19-205-17-197-20-20 9-2110-31PM10


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  • PM10


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PM


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Pm2 5

PM2.5

  • 5PM

  • PM3PM2.5

  • PM2.5

  • N95N99 N9595%


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  • N\R\P

    • N

    • R 8

    • P

  • NIOSH standard0.3(PM0.39595%N959599(99%)100(99.97%


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  • (EN149 standard)

    PM0.3

    FFP1 80%

    FFP2 94%

    FFP3 97%

  • GB2626-2006

    KNKP

    KN90KP90,90%

    KN95KP95,95

    KN100KP100,99.97%

  • FFP2N95PM2.5FFP3N99N100


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3M

LAGB2626-20062 KN95

NIOSH N95

EN1492001 FFP2

a. 824682478576857788228833932093229332

b. 9102C9102CS18608110S821082338511900190029003900490109021A9022A90419042


Honeywell

Honeywell/

  • GB 2626-2006

    KN95


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Kowa

  • 0.3m0.1m99%


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UVEX/

  • EN149:2001 FFP2


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:

BEF99%

CE

D

GB2626-2006


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  • 50%TSPPM2.5WHO TSPPM10PM2.5PM10 PM2.5


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AQI


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