查询词典 natural gas

The article presents engineering design options for expanding natural gas-synthetic ammonia units using this new technology as well as production schemes for producing ammonia and urea as a byproduct using the 3×1 stage natural gas reforming and one-step isopiestic transformation method.

介绍了用该新工艺对我国天然气生产合成氨装置进行扩建改造的工程设计方案，以及天然气三－段转化等压一次变换制氨联产尿素的生产设计方案。

Several aspects of the small-scale natural gas liquefier are introduced in the paper including its characteristics, the liquefiers reported in China and the analysis for them and key problems for small-scale natural gas liquefier study.

介绍了小型天然气液化装置的特点，概括和分析了国内报道的国内外小型天然气液化装置，分析了小型天然气液化装置研究的一些关键问题。

It is believed that the efficiency and the value of the small scale natural gas liquefier will be improved by the development of the cryogenic theory and technology for it and it should be centered with domestic, own intellectual property and commercial when developed and made small-scale natural gas liquefier.

在进行小型天然气液化装置的研制时应立足于使设计的小型天然气液化装置国产化，取得自主知识产权，力求形成商业化规模。

It reveals the duality and the complexity of natural gas combustion with the pilot diesel ignition. Furthermore, The injection of natural gas is used to perfect dual fueled engines

深入探索双燃料燃烧的基本规律和特性，以及采用先进的控制技术是双燃料发动机应用发展的关键问题。

The parameters in natural gas advanced reburning zone that influence the efficiency of de-NOx were studied in detail considering the injection amount of natural gas, initial concentration of NO, excess ratio of oxygen, the injection amount of ammonia, concentration of H2O, concentration of sodium in the experimental equipment.

建立实验装置，对先进再燃区中各种影响参数：天然气喷入量、一氧化氮初浓度、过量氧气系数、喷氨量、水蒸汽量、钠浓度等对脱硝效率的影响进行深入实验研究。

In the article with emphasis has studied take FLUENT as thesoftware platform natural gas desulphurization catalysis modellingplan, in order to enable to include the hydrogen sulfide the naturalgas as far as possible evenly through the entire catalyst carrier,enhances the natural gas desulphurization catalysis transformationefficiency and the service life, has carried on the value simulationand the simulation to it optimizes, and carries on the contrast withthe former related conclusion.

文中重点研究了以FLUENT为软件平台天然气脱硫催化器的建模方案，为了使含有硫化氢的天然气尽可能均匀地通过整个催化剂载体，以提高天然气脱硫催化器转化效率和使用寿命，对其进行了数值模拟与仿真优化，并与以往的相关结论进行对比。

T Boone Pickens , the 81-year-old oilman who has become a spokesman for the natural-gas industry, told the US congress in October that the United States has more natural gas than all the oil in Saudi Arabia.

他10月份的时候告诉美国国会，美国的天然气储量比沙特阿拉伯的全部石油还多。

Along with many new materials and techniques,helium abstraction technologies from natural gas have been innovated like the adsorption and membrane osmose process have developed fast and coproduction and combined technologies have a good application prospect, which provide new thoughts for the development of helium abstraction technologies from natural gas.

随着新材料、新技术的发展，天然气提氦技术不断改进创新，吸附法、膜渗透法等提氦工艺发展迅速，联产法、联合法工艺有着良好的应用前景，这些都为促进天然气提氦技术的发展提供了新的思路。

Through analysis on the present technologies, this study discovered that low-temperature condensation is a relatively matured method with high cost and highly-consumed energy; the other methods like adsorption, absorption and membrane osmose process are differently characterized by many features hut have not been applied in industrial use for many reasons, Along with many new materials and techniques, helium abstraction technologies from natural gas have been innovated like the adsorption arid membrane osmose process have developed fast and co-production and combined technologies have a good application prospect, which provide new thoughts for the development of helium abstraction technologies from natural gas.

通过对目前提氦技术的分析介绍，低温冷凝法较为成熟，但能耗、成本较高；吸附法、吸收法和膜渗透法等其他提氦技术各其特点，但目前限于适用条件尚不能规模化工业应用，随着新材料、新技术的发展，天然气提氦技术不断改进创新，吸附法、膜渗透法等提氦工艺发展迅速，联产法、联合法工艺有着良好的应用前景，这些都为促进天然气提氦技术的发展提供了新的思路。

From this perspective, flammable ice can be regarded as the natural gas in the highest purity, and you know, the general state of the natural gas, methane is only about 92% less, in addition to about 3% of the ethane, about 2% of the nitrogen and about 1% of the propane, as well as a very small amount of butane, pentane and oxygen and so on.

从这个角度说，可燃冰可算是自然中纯度最高的天然气了，要知道，一般状态下的天然气中，甲烷大约只占92%不到，此外还有3%左右的乙烷、2%左右的氮气和1%左右的丙烷，以及极少量的丁烷、戊烷和氧气等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。