Combining the special facilities of uranium mine with villages and towns, this paper analyzed the correlation between PM2.5 and atmospheric temperature, humidity, air pressure, wind speed and air index analyzed by PM2.5. Humidity, atmospheric pressure and air quality index were positively correlated with PM2.5 concentration, while temperature and wind speed were negatively correlated with PM2.5 concentration, while altitude had no correlation with PM2.5 concentration. The seasonal variation of PM2.5 concentration in this area was as follows: winter (31.5 ㎍/m3) > spring (25.78 ㎍/m3) > autumn (15.59 ㎍/m3) > summer (10.61 ㎍/m3). PMF model (orthogonal matrix factor analysis) was used to analyze various pollution sources. It was found that the contribution of various pollution sources was soil source (33.7%), combustion source (19.2%), traffic source (18.2%), industrial source (15.0%) and natural source (3.3%).
At present, most of the molecular communication systems have strict constraints on the environment in nano-network, such as light, molecular concentration, environment and so on. Under these conditions, these systems can well complete the simulation of molecular communication in internet of things. But in reality, more application scenarios can not meet these harsh conditions, so these systems can not be widely used; we use sensors to collect molecular environment information, upload it to the single chip computer, use Arduino to detect sensor values, and use MATLAB software to make theoretical simulation system to achieve the task of theoretical simulation of molecular communication between targets.
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