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也有其他污染物存在，特别是颗粒物。 Other pollutants, especially particulates, were also present. | ||
机动车排放颗粒物是重要的空气污染物。 Particles from vehicle emission are important air pollutants. | ||
本文讨论大气细颗粒物与人体健康问题。 This paper reviewed about the atmospheric fine particles and human health. | ||
微细颗粒物跟呼吸系统疾病、心脏病、中风和早逝有关。 Fine particulate matter is linked to respiratory ailments, heart disease, stroke and premature death. | ||
次生气溶胶最初以气体形态出现，在大气中发生化学反应从而形成颗粒物。 Secondary aerosols begin life as gases and chemically react in the atmosphere to form particles. | ||
然而，卫星仪器通常很难实现近地面空气中细颗粒物的精确测量。 Yet, satellite instruments have generally struggled to achieve accurate measurements of the particles in near-surface air. | ||
机动车行驶过程道路扬尘是城区颗粒物污染的主要因素，其贡献率可达30% ~ 50%。 The contribution rate of the road dust to particulate concentration in the urban area is 30% ~ 50% during motor vehicle running. | ||
细颗粒物——小于2.5微米的颗粒——能躲过鼻子和气管中绒毛的保护作用。 Fine particulate matter - particles smaller than 2.5 micrometers - can evade hairlike projections in the nose and trachea that trap larger particles. | ||
PP主要受琼州海峡过道水输入的颗粒物影响；其含量随深度增加而降低。 The contents of DOP increased with depth below 30meters. The concentrations of pp were apparently influenced by the inputs of particulate from Qiongzhou Strait aisle. | ||
本实用新型涉及一种用于采集沙尘暴天气、扬沙天气、浮尘天气空气中颗粒物的沙尘暴采样器。 The utility model relates to a dust storm sampler, which is used for collecting grains in dust storm whether, sand blowing whether and floating whether. | ||
