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High-particle-size-resolution atmospheric particulate risk source analysis method

A technology of atmospheric particulate matter and analysis method, applied in the field of risk source analysis of atmospheric particulate matter with high particle size resolution, to achieve the effect of precise risk

Pending Publication Date: 2021-02-02
NANKAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are many sources of particulate matter in the atmosphere, and the impact of each source of particulate matter on human health is different, but there is currently a lack of specific quantitative assessment methods for the impact of particulate matter from various preset sources on human health

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  • High-particle-size-resolution atmospheric particulate risk source analysis method
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  • High-particle-size-resolution atmospheric particulate risk source analysis method

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0048] Such as figure 1 , in the embodiment of the present application, the present application provides a method for analyzing the risk source of atmospheric particulate matter with high particle size resolution, the method includes the steps of:

[0049] S1: Sampling atmospheric particles and obtaining particles of different particle sizes;

[0050] S2: Using a new multi-size three-dimensional factor analysis model to...

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Abstract

The invention discloses a high-particle-size-resolution atmospheric particulate risk source analysis method which comprises the following steps: sampling atmospheric particulates to obtain particulates with different particle size sections; using a novel multi-particle-size three-dimensional factor analysis model for analyzing sources and source contributions of particles in all particle size sections; using an ICRP respiratory tract deposition model to calculate the deposition efficiency and deposition flux of the particulate matters in each particle size section; and evaluating the health risk of each preset source particulate matter by using the health risk evaluation model. According to the high-particle-size-resolution atmospheric particulate risk source analysis method provided by the invention, the deposition efficiency of the particulates with different particle sizes in the respiratory tract of the human body can be calculated, so that the risk of the particulates with different sources to the health of the human body is more accurately quantified.

Description

technical field [0001] The invention belongs to the field of environmental science and technology, and in particular relates to a method for analyzing risk sources of atmospheric particles with high particle size resolution. Background technique [0002] There are many particles in the atmosphere. These particles will enter the human respiratory tract when the human body breathes. When the concentration of inhaled particles reaches a certain value, it will affect human health. There are many sources of particulate matter in the atmosphere, and the impact of each source of particulate matter on human health is different. However, there is currently a lack of specific quantitative assessment methods for the impact of particulate matter from various preset sources on human health. Contents of the invention [0003] In order to solve the above problems, the present invention provides a method for analyzing the risk source of atmospheric particulate matter with high particle si...

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Application Information

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IPC IPC(8): G01N15/00G01N15/02G01N15/04G01N27/626G01N30/96G01N33/00G06F17/10
CPCG01N15/00G01N15/02G01N15/04G01N27/626G01N30/96G01N33/00G06F17/10G01N33/0077
Inventor 田瑛泽李艺璇冯银厂
Owner NANKAI UNIV
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