In a process for separating natural gas constituents, a portion (62) of the residue gas from a demethaniser column (32) is cooled, expanded, partially condensed and recycled (72) to the top of the column (32). This alters the chemical equilibrium in the column (32) causing the lighter...
百度试题 结果1 题目 The constituents and their ( )in the natural gas is called the composition of natural gas. A. mole fraction B. proportions C. mass fraction D. volume fraction 相关知识点: 试题来源: 解析 B 反馈 收藏
A method of using the sampling apparatus for mercury in natural gas lines is also disclosed.doi:US20080047370 A1James H. VickeryUSUS20080047370 * Aug 7, 2007 Feb 28, 2008 Vickery James H Jr Sampling apparatus for constituents in natural gas lines...
In this paper, researches were carried out in depth on combustion process of single compressed natural gas (CNG) fuel engines which are applied to urban vehicles and work in lean combustion modes. A straight bow in piston combustion chamber was designed by adopting multi-dimensional numerical simul...
amake a turkey dinner 做一顿火鸡晚餐[translate] aResearch backs up this view of gender differences. 研究支持性别这个看法。[translate] aThey are the principal constituents of petroleum and natural gas, and are also derived from coal. 正在翻译,请等待...[translate]...
Oil is another example of a desired, but hazardous substance;thetoxic constituentsofpetroleum are frequently spilled, directly or indirectly, [...] daccess-ods.un.org daccess-ods.un.org 石油是 为人所需要但有危险的物质的另一个实例;石油的有毒成分经常外溢,直接或间 接进入地表水和地下水,对人类...
1.Development on application of headspace single drop microextraction in analysis ofvolatile components;顶空单液滴微萃取在挥发性成分分析中的应用进展 2.Applications of solid-phase microextraction and gas chromatography-mass spectrometry technique on analysis ofvolatile componentsin natural products;固相微萃取-...
Everylivingorganismconsisted ofhydrogeninitsconstituents.Petroleum,natural gasand towngasalsocomposed ofhydrogen. 一切生物的细胞组织成份里都含有氢,石油、天然气和煤里也含有氢。 zhidao.baidu.com 5. MethodsThe essentialoilsinCortex ailanthiwereextractedwithsteamdistillation,anditsconstituentswereanalysedwithGC-MS...
Cinnamon is a spice made from the inner bark of several tree species belonging to the genus Cinnamomum, a member ...
Development on application of headspace single drop microextraction in analysis of volatile components; 顶空单液滴微萃取在挥发性成分分析中的应用进展 2. Applications of solid-phase microextraction and gas chromatography-mass spectrometry technique on analysis of volatile components in natural products; 固...