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印度德里因新冠疫情实施全国封锁对工业污染的影响。

Effect of nation-wide lock-down due to Covid-19 over industrial pollution in Delhi, India.

作者信息

Kumar Harish, Arora Ranjan, Kumar Arora Pawan, Pandey V S, Moona Girija, Singh Deepak

机构信息

National Institute of Technology Delhi, India.

Consultant, Ghaziabad, India.

出版信息

Mater Today Proc. 2021;47:3661-3675. doi: 10.1016/j.matpr.2021.01.264. Epub 2021 Jan 26.

DOI:10.1016/j.matpr.2021.01.264
PMID:33520675
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7837626/
Abstract

In India, very first infection due to Covid-19 was reported by end of January 2020 and, the same has been increased with the span of time. In order to fight the increasing risk among the citizens of nation, the complete lock-down was declared on March 25, 2020 for initially 21 days and thereafter it has been subsequently increased up to its present 4th phase, which would be remain continue until May 31, 2020. First two phases of lock-down were imposed without any relaxation, however, there were gradual relaxation implemented in third and fourth lock-down phases. Air pollution depends on emission of the pollutants from vehicles and industries, as well as dust from construction activities. Due to lock-down, operations concerning these activities were completely shut down. The effect of lock-down on PM, PM, NO, SO, CO and AQI level was studied and comparison of PM, PM, NO, SO, CO and AQI during lock-down with same dates of previous year was also considered.

摘要

在印度，2020年1月底报告了首例新冠肺炎感染病例，此后感染病例数随时间推移不断增加。为应对该国公民面临的日益增加的风险，2020年3月25日宣布全面封锁，最初为期21天，此后逐步延长至目前的第四阶段，将持续到2020年5月31日。封锁的前两个阶段没有任何放松措施，但在第三和第四阶段实施了逐步放松。空气污染取决于车辆和工业排放的污染物以及建筑活动产生的灰尘。由于封锁，与这些活动相关的运营完全停止。研究了封锁对PM、PM、NO、SO、CO和AQI水平的影响，并将封锁期间的PM、PM、NO、SO、CO和AQI与上一年同期进行了比较。

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本文引用的文献

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China coronavirus: how many papers have been published?中国冠状病毒：已经发表了多少篇论文？
Nature. 2020 Jan 30. doi: 10.1038/d41586-020-00253-8.
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Effect of lockdown amid COVID-19 pandemic on air quality of the megacity Delhi, India.COVID-19 大流行期间封锁对印度特大城市德里空气质量的影响。
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