相关实验视频

Updated: Jul 26, 2025

Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters

Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters

Published on: July 12, 2024

通过机器学习技术分析了COVID-19封锁对空气质量的影响

Umer Zukaib^1,2, Mohammed Maray³, Saad Mustafa¹

¹Computer Science, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, KP, Pakistan.

PeerJ. Computer science

|June 22, 2023

概括

由于COVID-19的封锁,拉合尔的空气质量得到了显著改善,PM2.5和PM10等主要污染物减少了. 机器学习模型,特别是LSTM,准确地预测了这些改进,显示大气污染明显减少.

科学领域:

环境科学环境科学
大气化学大气化学
数据科学数据科学数据科学

背景情况:

由于COVID-19大流行,全球都需要封锁,从而减少了工业和车辆的排放.
这项研究调查了这些限制对巴基斯坦拉合尔空气质量的影响.

研究的目的:

分析COVID-19封锁对拉合尔空气质量的影响.
为了比较各种机器学习模型在预测空气污染物度方面的有效性.

主要方法:

从拉合尔的四个地点收集了PM2.5,PM10,NO2和O3的历史空气质量数据.
采用多种机器学习模型,包括决策树,SVR,随机森林,ARIMA,CNN,N-BEATS和LSTM.
使用RMSE,MAE和R-SQUARE指标评估模型性能,重点关注LSTM的准确性.

主要成果:

在封锁期间,拉合尔的空气质量提高了大约20%.
观察到的显著降低:PM2.5 (42%),PM10 (72%),NO2 (29%). 这是一个非常明显的变化.
臭氧 (O3) 度增加了20%;LSTM在污染物估计方面表现出卓越的准确性.

结论:

由于减少有害污染物,COVID-19封锁对拉合尔的空气质量产生了积极影响.
LSTM被证明是最准确的模型来预测空气污染物水平在封锁期间.
调查结果强调了减排战略在改善城市空气质量方面的潜力.

关键词:

空气质量空气质量人工智能的人工智能是人工智能.这就是Covid-19的原因.长期短期记忆长期短期记忆神经网络的神经网络的神经网络主要组件分析的主要组件分析.

更多相关视频

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Published on: February 3, 2023

相关概念视频

Steps in Outbreak Investigation

Steps in Outbreak Investigation

In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:

Factors Affecting Pulmonary Ventilation

Factors Affecting Pulmonary Ventilation

Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...