The major components of PM are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.
它的主要组成成分是硫酸盐、硝酸盐、氨、氯化钠、碳、矿物粉尘和水。
According to the World Health Organization, the main components of particulate matter are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.
据世界卫生组织称，微粒物的主要成分为硫酸盐、硝酸盐、氨、氯化钠、碳、矿物性粉尘和水。
At present, the superfine mineral dust and nanometer suspending dust are the important components of dust environment safety assessment.
超细矿物粉尘和纳米级永久悬浮粉尘是目前粉尘环境安全性评价的重大课题。
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