一般来说,出题的顺序与在原文的展开顺序是一致的;根据印象,第一个小标题natural gas basics重点介绍了天然气的基本知识,因此缩小查找范围。找到小标题下第三段首句Natural gas consists primarily of methane and other hydrocarbon gases.其中consists of与made up of同义,primarily对应 mainly。
“You must be careful about the degree to which you rely on gas, because energy security really requires diversity,” van der Hoeven said. “You do not want too many of your eggs in the same basket.” As an example, she cited this winter’s polar vortex, when extreme cold temperatures ...
Natural gas is considered as one of the primary energy sources of the world. It mainly contains methane (CH4) and is colorless and odorless. Natural gas has many uses and can be used in most energy sectors: residential, commercial,and industrial. In this chapter, we have discussed its total...
As gasoline prices soar and concern over harmful emission mounts, how ever, cars that run on alternate fuel sources will become increasingly important. A naturalgas vehicle, or NGV, is the perfect example of such a carit"s fuelefficient, environmentally friendly and offers a relatively low cost...
Natural gas is a naturally occurring hydrocarbon mostly constituted by methane. The relevance of this energy commodity resides in its abundance, relatively easy transportation and clean burning in comparison to other fossil fuels. As natural gas flows out of the ground, it may also contain reduced ...
Keith Schaefer
natural gas. It is a clean, versatile, and easily controllable fuel for which no on-site storage is needed. Further growth in gas consumption is expected as a consequence of its relatively low carbon content, compared to that of coal and oil products. Moreover, gasfired power plantsare ...
It is working with gas importing and exporting countries to develop an approach to measurement, monitoring, reporting and verification of emissions that "provides consistency and accountability," and aligns with the administration's plan on methane emissions, the spokesperson added. Whi...
It is the second nost important man-made greenhouse gas after CO_{2}, It usually stays in the air for less thar ten years. Meanwhile, methane can come from anywhere food or plants break down without oxygen. Methane produced by fire-ice is thought to have played a role in past climate ...
A typical natural gas network is made up of one or more gas resources, numerous loads, pipelines, compressors, and other elements such as valves or regulators [17]. From: Renewable and Sustainable Energy Reviews, 2018 About this pageSet alert ...