百度试题 结果1 题目1.Coal, oil and natural gas are three kinds of___.相关知识点: 试题来源: 解析 fossil fuels或energy sources 煤炭、石油和天然气都是化石燃料,属于能源的一种。因此,空格处应填写“fossil fuels”或“energy sources”。反馈 收藏 ...
1Fossil fuels are and will be still ___ for at least the next two-three decades at relatively low costs. A. productive B. convenient C. renewable D. available 2Fossil fuels are and will be still for at least the next two-three decades at relatively low costs. A. productive B. ...
We have found some fluorescence characteristics of fossil fuels based on the contour maps of the three-dimensional fluorescence spectra of their non-quenching samples. The common fluorescence characteristic is that the main peaks of various fossil fuels are located in the vicinity of excitation/...
The literature on the impact of green investment of thermal power companies on their market value is divided into two main views: the promotion theory and the inhibition theory. Green investment is a form of resource allocation in thermal power companies, which can improve their environmental quali...
aThose still charmed by nuclear power nowadays make three new arguments in its favour: that it is a defence against climate change, against another OPEC-administered oil shock, and against the inevitable exhaustion of fossil fuels. None bears close examination 核能仍然迷住的那些在它的偏爱现今做三...
Define the term fossil fuel. Name three fossil fuels. 02:00 How is cake prepared? 02:08 Name two products formed as a result of Fractional distillation of pet... 02:00 Name three products of petroleum. 01:43 What are fossil fuels?What will happen if fossil fuels are use up at a.....
Many people think the search for cleaner energy leads only to renewable resources like sun, wind and water.But it also leads to a fossil fuel.Natural gas is considered the cleanest of the fossil fuels, the fuel created by plant and animal remains over millions of years.Burning it releases ...
After measuring the engine's emission and the catalyst convertsion rate,the influence on the catalyst were studied by using ethanol-gasoline and normal gasoline.In the experiments,5 kinds of ethanol-gasoline and 6 kinds of normal gasoline on the market were used,and the CO,HC,and NOx emission...
The human activities that can or cannot affect the environment are called anthropogenic activities. The human activities that can affect the environment are industrial wastes, mining, deforestation, incineration of coal, fossil fuel, excess use of fertilizers, etc...
There are three main disadvantages to using these fuels\uff0eFirstly\uff0cthey are causing climate problems because of the \uff0864\uff09G{{$2$}} Effect\uff0eWhen we burn fossil fuels they produce carbon dioxide which causes global warming\uff0eSecondly\uff0cwhen we have used up all ...