The preceding article discussed the major modifications made to a unit's coal delivery system and pulverizers to reduce its fuel costs and pollutant emissions. But many plants that burn PRB coal have smaller problems with the fuel that can be solved at a lower cost.John Javetski...
Environmental Problems with Coal, Oil, and Gas Abstract Over the past quarter century, we have come to realize that there is more to life than material goods and services, that “some of the best things in life are free.” The pleasure we derive from breathing fresh air, drinking pure wat...
1阅读下面短文,从方框内选择恰当的句子填入文中,使短文内容完整、意思连贯.There are many kinds of pollution around us,such as air pollution,soil pollution,noise pollution and light pollution. (61)___Burning gas,oil and coal creates air pollution. (62)___With the increase in population and the...
解答 答案:coal.根据Burning--([k??l]) can cause sore eyes and breathing problems,可知烧煤能造成眼痛和呼吸的困难.coal,它的音标是[k??l].名词,煤炭.故填 coal. 点评 考查单词填空.准确的翻译句意及分析句子结构、时态、固定搭配等是关键,然后再用合适的形式完成句子.练习...
aSmoke from burning coal is one the causesof air pollution 烟从灼烧的煤炭是一个causesof空气污染[translate] aIt is part of our pan india visitor reach program to engage & ensure maximum participation from courragated packaging manufacturers all across the country. 它是参与的我们的平底锅印度访客伸...
Term created in: 1.⑦coal n.煤,煤炭 . Big problem in London: 2.in December 1952⑦recycle v.回收利用,循环利用 . Causes of the problem: burning too much coal and 3.. Causes of the problem: 4. a and factories. Measures: rules about using 5. in factories and 6.in Now talk about ...
Section D Finish the exercises: 1)The man working in a ___ factory goes deaf because of the loud ___.(noise / noisy) 2)Burning coal can ___ the air, and we call it air ___. (pollute / pollution) 3)Using too many chemicals in the land can cause ___food and it’s bad for...
Local government paidmuch ttention to the heavy air pollution It was not the first time that Hebe had been in a haze las year.According to the government, burning coal for hea isthe main reason for air pollution in winter in theprovince Air pollution isusuall more seiou in winte than ...
Secondly, burning hydrogen does not cause global warming. Thirdly, it is much more efficient than carbon-based fuels.Unfortunately there are problems with hydrogen at the present time: there is the problem of separating(分离) it from water cheaply, and there is the difficulty of storing it. ...
They stop people burning coal (烧煤) in the city. They also ask people to 10 more trees. I think the earth and our life will be better if everybody joins them.( )1. A. carefully B. successfully C. comfortably( )2. D. food E. pollution F. education( )3. G. earth . sea . ...