These are also areas where many air pollution studies have been conducted, especially over the last 6 years. Based on these previous studies, this review presents the current state of understanding of the air pollution problems in China's mega cities and identifies the immediate challenges to ...
百度试题 结果1 题目39. Air _pollution (pollute) is very serious in some big cities. 相关知识点: 试题来源: 解析 答案见上句意:在一些大城市,空气污染很严重。空格处作主语,应用 pollute 的名词形式pollution。 反馈 收藏
Air Pollution/Air QAmbient Air QualityChinaPM2.5Background: Ambient (outdoor) air pollution has been implicated as a major cause of acute cardiovascular and pulmonary illnesses and increased risk for acute and chronic effects after chronic exposures, including mortality and morbidity. In 2008, due ...
六、 词汇运用。 (20分) A.根据句意、首字母或汉语提示写出单词,完成句子。 (5分)1. Air pollution in many Chinese cities
BEIJING, March 21 (Xinhua) -- The density of major air pollutants in Chinese cities saw a decrease in February, data from the Ministry of Ecology and Environment showed. For the 339 cities monitored by the ministry, the average density of PM2.5, a key indicator of air pollution, decreased...
A news report shows that air pollution in many big cities is getting worse. Which of the following can contribute to reducing air pollution? A. Burning more coal B. Using more private cars C. Planting more trees D. Building more factories 相关知识点: ...
Moreover, as the air pollution is much Concluding comments This paper analyses the persistence of pollution in China in four mega-cities from September 28 of 2013 to December 12 of 2015. The unit roots and fractional integration hypotheses are tested first with white noise disturbances and then ...
1【题目】Air pollution in many cities hasbeen more and more serious Especially in winter we see a lot of foggy days in North China PM 2.5 in the air can harm human health.PM2.5 refers to small particles(颗粒)which are2.5 micrometres(微米)or less indiameterT he cities in North China ar...
A team of researchers with members affiliated with institutions in China, the Netherlands, Czech Republic, the U.S. and Austria has found that efforts by the Chinese government to reduce air pollution in its major cities have resulted in higher air pollu
(2017). Particulate air pollution and mortality in 38 of China's largest cities : time series analysis. The BMJ, 667: 1-12.Yin P, He G, Fan M, et al. Particulate air pollution and mortality in 38 of China′s largest cities: time series analysis [J]. BMJ, 2017,356:j667. DOI...