So we need a particle counter machine to test the air quality around us.
To know how many fine particulate matters in the air we breath.
With the handheld particle counter can also know the weight of PM2.5 and PM10.
2015年5月8日星期五
Fine particulate matters cause the brain atrophy
A
new study shows that long-term by fine particulate matters pollution may cause
the brain structural damage.
So we need a particle counter machine to test the air quality around us.
To know how many fine particulate matters in the air we breath.
With the handheld particle counter can also know the weight of PM2.5 and PM10.
So we need a particle counter machine to test the air quality around us.
To know how many fine particulate matters in the air we breath.
With the handheld particle counter can also know the weight of PM2.5 and PM10.
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