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    China's first real-time monitoring of PM2.5 concentrations instrument through the identification
    2015-12-06 10:22


    According to reports, PM2.5 as atmospheric diameter less than or equal to 2.5 micron particles whose diameter is less than 1/20 of the thickness of a human hair, can be directly inhaled into the lungs, have a major impact on human health and air quality. Since the country has been a lack of core technology PM2.5 monitoring, foreign equipment manufacturers have to seize the domestic market, at the national & ldquo; Eleventh Five-Year & rdquo; Support Technology Support Program and the Beijing Municipal Science and Technology Program under relevant, limited Beijing HSBC Long Biotechnology Development Company and China Environmental Science Research Institute and other units conducted joint research, development of LD310 aerodynamic particle size spectrometer overcome aerodynamic flight time light scattering particle measurement core technology, and the use of vents acceleration technology, not only can detect PM2.5 concentration, while a true reflection of atmospheric aerosol particle deposition site within the respiratory tract, is more suitable to study aerosol particles harm to human health. LD320 atmospheric particles scatter light particle spectrometer overcome the particle acceleration, light scattering particle measurement and other core technology to meet the major demands of the current PM2.5 monitoring system and air pollution prevention and control.

    & ldquo; particle size & instances; & instances ;, the number of particles & instances; & instances ;, grain P & instances; & instances;, PM2.5 concentration & instances Watson Wchangeorganisation ; & instances; & rdquo ;, by electronic touch screen, the staff can be collected once every three seconds in the air of respirable particulate matter (PM2.5 and PM10) concentrations and particle size distribution. March 29, China's first real-time detection instrument respirable particulate matter concentration and particle size distribution (LD310 and LD320) in Beijing by the experts.
    Currently, LD310 and LD320 have passed technical performance, environmental adaptability test and application test, and finished with foreign & counterivercea; ray method comparative test prototype devices, the performance indicators reach or approach international advanced level, to fill the gap.

    Identification Group believes that these two instruments have independent intellectual property rights, to break through the international import technology and products depend, to solve the major demand of the current PM2.5 monitoring system and air pollution prevention and control for dynamic monitoring device has a strategic significance.

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