[定位] 根据题干中的the principal constituent of natural gas定位到第一个小标题下的第三段第一句Natural gas consists primarily of methane(沼气)and other hydrocarbon gases.[精解] 本题提问天然气的主要成分。题干中的the principal constituent of与原文中的consists primarily of属于同义转换,所以consists prima...
所以consists pri装原marily of后面的methane and other hydrocarbon gases即是本题的答案所在，故本题答...
The main constituent of natural gas is methane but it can contain a range of other higher hydrocarbons. Proved natural reserves are around 190trillion m 3 but total reserves are certainly much larger. The Middle East and Russia hold the largest total national and regional reserves. The largest ...
There are numerous benefits which originate from the simple chemical structure of methane, the main constituent of natural gas.选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 有许多好处,从简单的甲烷,天然气的主要成分的化学结构。 翻译结果2...
•Methane is the main constituent of natural gas.甲烷是天然气的主要成分。 8、This will speed up global warming directly—and thesootfrom the fires, when it settles on the ice, will darken it and thus speed its melting still more.
Methane (CH4) is the main constituent of natural gas, while ethane (C2H6) is used as a petrochemical feedstock. Both of these hydrocarbons, and others associated with fuel, are called saturated hydrocarbons because they have simple, single bonds and are saturated with hydrogen. Using a diamond ...
(Elements & Compounds) a colourless odourless flammable gas, the simplest alkane and the main constituent of natural gas: used as a fuel. Formula: CH4. See alsomarsh gas,firedamp [C19: from meth(yl) + -ane] Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © Harp...
Methane (CH4) is the principal constituent of natural gas and is also a potent greenhouse gas (GHG)1. During production of oil and natural gas (O&NG), some processes are designed to vent CH4to the air, and CH4is also emitted unintentionally via leaks in the system. According to the off...
In the purest sense of natural gas, the main component is methane, CH4. Most of what we call natural gas, although being predominantly methane, often...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
ISO TR 17910-2024 Natural gas - Coal-based synthetic natural gas quality designation and the applicability of ISO TC 193 standards 天然气. 以煤为基础的合成天然气质量命名和 ISOTC193标准的适用性.pdf,…眩目…· Technical IL:『 II ...匾,,.. Report ISO/TR 1