相关实验视频
Updated: Jan 11, 2026
07:01
A New Portable In Vitro Exposure Cassette for Aerosol Sampling
Published on: February 22, 2019
7.5K
来自废物转运站的VOC污染的综合评估:从源排放到环境暴露
Hongyu Gong1, Shuwen Han2, Yifan Zhuo1
1Thrust of Sustainable Energy and Environment, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou 511400, China.
Journal of hazardous materials
|November 13, 2025
概括
废弃物转移站排放挥发性有机化合物 (VOC),影响空气质量和健康. 站内排放量最高,造成严重的气味和健康风险,需要有针对性的法规.
科学领域:
- 环境科学 环境科学
- 大气化学 大气化学
- 公共卫生 公共卫生
背景情况:
- 废弃物转运站 (RTS) 的挥发性有机化合物 (VOC) 降低了城市空气质量,并对健康构成风险.
- 了解VOC排放概况对于评估环境和健康影响至关重要.
研究的目的:
- 评估从RTS产生的VOC排放对空气质量和人类健康的影响.
- 确定导致臭氧形成的关键VOCs,二次有机气溶,气味和健康风险.
主要方法:
- 在RTS内部,边界,路边和住宅区进行了三次现场采样活动.
- 测量了总VOC度和特定的VOC.
- 评估臭氧形成潜力 (OFP),二次有机气溶形成潜力 (SOAFP),气味影响和健康风险.
主要成果:
- 在RTS内部发现了最高的VOC总度 (1611-3822μg/m3),具有较高的OFP,SOAFP,气味和健康风险.
- 氧化VOC在RTS中占主导地位 (58%),而化合物在场外占主导地位 (37-59%).
- 纳夫他林,烯和异甲被确定为具有多种影响的优先污染物.
结论:
- RTS是挥发性有机化合物的重要来源,对空气质量和公共健康构成重大风险.
- 迫切需要有针对性的监管措施,以减轻RTS产生的优先污染物的排放,如纳夫他林,烯和异甲.
相关概念视频
01:23Assessment of Respiration
1.8K
The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
1.8K
01:20Assessment of Ventilation I: Respiratory Rate
1.9K
Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
1.9K
01:29Assessment of Ventilation II: Respiratory Depth and Rhythm
2.4K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
2.4K