查询词典 natural gas

Methane gas is the main material of natural gas hydrates, the g

天然气水合物主要气体物质是甲烷，甲烷的温室效应是CO2的21倍。

According to the special requirements of offshore oil field development and the theoretical calculations, the paper analyzes the difference between heating method and gas injecting method in viscous oil production and discusses the feasibility of reinjecting natural gas in development of offshore undersaturated viscous oil field .

根据海上油田开发的特殊要求，通过理论计算，对比分析了用加热降黏法和加气降黏法进行稠油开采的差异，探讨了欠饱和稠油油田用天然气回注地层降黏的可行性，认为在原始地层压力条件下，仅向地层原油中补充溶解气油比是原始溶解气油比的 0 。5～ 1.5倍的天然气，就可以有效地降低原油黏度，提高采收率。

The activities of TotalFinaEIF are divded into four business divisions;Upstream,(exploration and production of crude oil and natural gas);Trading and Midstream Gas and Electrcity;Downstream(relining distrbution of oil products and imternaeional trade in crude oil and petroleum products) and Chemicals.

道达尔菲纳埃尔夫公司的业务可分为四个业务领域：上游（原油和天然气的勘探生产）；贸易、天然气与电力；下游（炼油、成品油销售、原油和各类成品油的国际贸易）和化工。

The adiabatic throttle of retaken natural gas is key technology of the underground gas storage operation.

天然气绝热节流是地下储气库回采的关键技术，可以利用节流冷效应实现回采天然气的脱水、脱油。

After analyzing the properties of the crude volatilizing gas in overhead tank and the requirements of its recovery method,an effective way of recovering by natural gas through the matched multistage ejectors is proposed and in combination with the experimental results of two sets of systems under multiple operating mode,some main points of design and mana...

在分析了高架罐原油挥发气的性能特点及其回收方法的要求以后，提出了通过匹配式多级喷射器利用天然气进行回收的有效途径，并结合两套系统多种工况下的试验结果，给出了以方便工程应用为准则的匹配式多级喷射器的设计管理要领：全压缩比的分配，两级时，第一级约为第二级的 1.4倍；三级时，第一、二级应分别为第三级的 1.8倍和 1.3倍左右；设计点要选择在工作气体参数范围的下限或下限附近；整套系统串联的级数以 2～ 3级较为合适，一般不应超过 4级；在高架罐的耐压范围内，原油挥发气的压力越高对回收越有利

Among them, the rapid decline in industrial output value of industry of petroleum and natural gas industry, the waste of resources and waste material recycling processing industry, wood processing and wood, bamboo, rattan, palm, grass products, ferrous metal smelting and rolling processing industry, chemical fiber manufacturing, leather, fur, feathers and its products industry, gas production and supply industry, chemical materials and chemical products industry.

其中，工业总产值下降较快的行业有石油和天然气开采业，废弃资源和废旧材料回收加工业，木材加工及木、竹、藤、棕、草制品业，黑色金属冶炼及压延加工业，化学纤维制造业，皮革、毛皮、羽毛及其制品业，燃气生产和供应业，化学原料及化学制品制造业。

Erdos basin is our country gas reserves most areas and our country transport the natural gas from the west to the east most powerful production base, Has the reservoir wave impedance difference to be small but the cap rock to clamp the strong reflection coal bed and so on not to favor the seismic exploration the characteristic.

鄂尔多斯盆地是我国天然气储量最多的地区和我国西气东输的最强有力生产基地，具有储层波阻抗差异小而盖层夹强反射煤层等不利于地震勘探的特点。

With the natural gas using in city and the development of LNG, the situation gas peak shaving becomes more and more serious.

随着天然气在城市中的广泛应用以及LNG技术的发展，天然气调峰问题日益突出。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments.

电动气体切断阀，适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

This valve is widely used in the pipe system transporting coal gas, natural gas, venting and environment protection in building material, glass, mining, power, light industry and papermaking departments. The technique is introduced from foreign Company.

手动翻板式三杆蝶阀引进国外先进技术，广泛适用于建材、玻璃、矿山、电力、轻工、造纸等行业的能源输送管道的煤气、天然气、通风、环保工程等管道系统中。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。