Fossil fuels The characteristics of alternate fuels, such as natural gas, liquid petroleum gas, hydrogen, dimethyl ether, alcoholic fuel, and biomass fuel, were introduced. (煤、石油、天然气等)矿物燃料介绍了几种车用清洁代用燃料&天然气、化石油气、能源、甲醚、燃料及生物燃料的特点。
The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state. 在实际运行中,湿天然气在输送管道中存在气液两相,因此管道中的流动总是处于慢瞬变流动状态。
Cleaner Production in Natural Gas Purification Plant Application of new technologies of liquid steel cleanliness improvement in continuous casting process 天然气净化厂清洁生产及其效果评价提高钢水洁净度新技术在连铸的应用
Liquefied natural gas, or LNG, made by supercooling gas into liquid form to shrink its volume and make it easier to transport, has traditionally been a niche product. 液化天然气(LNG)历来是一种细分市场产品。它的生成原理是将天然气温度降到极低,使其变为液态,以缩小体积、便于运输。
In Qatar, the Pearl plant to convert natural gas to liquid fuels, and the Qatargas 4 project to produce super-cooled liquefied natural gas for export, are scheduled to come on stream by the end of 2010 and ramp up production in 2011. 在卡塔尔,Pearl工厂将把天然气转换为液体燃料;Qatargas4项目将生产超冷液化天然气,用于出口。这些项目计划在2010年底前投入运营,在2011年实现量产。
The Instrument applies to oil, chemicals, natural gas, and other industrial production in the medium-corrosive liquid level instructions. 该仪表适用于石油、化工、天然气工程等工业生产中强腐蚀性介质的液位指示。
The system was used to set up a simulation of calculating the consequences of industrial hazardous accidents such as natural gas vapor explosion accident, person intoxication accident by ammonia liquid diffusion, pool fire accident, river pollution accident by sodium cyanide, etc. 并运用该评估系统对一些具体的泄漏后的工业危害事故,如天然气的蒸气云爆炸事故、液氨的扩散导致人员中毒事故、池火灾事故、氰化钠污染河流事故等进行了事故后果模拟计算。
The Largest factory of recovering natural gas liquid hydrocarbon by refrigeration of the middle pressure turboexpander in China has gone into operation in Northwest Mining Area of Sichuan Petroleum Administration, and all of the technical indexes have met the design requirements. 我国最大的中压天然气透平膨胀机致冷回收天然气中液体烃的工厂已在四川石油管理局川西北矿区建成投产,各项技术指标均已达到设计要求。
Exergy analysis and improvement proposal for natural gas liquid cryogenic separation plant 天然气深冷分离装置的火用分析及用能改进建议
The paper raises the question of using liquid natural gas ( methane, propane) as the fuel of high thrust liquid propellant rocket engine on the requirement of future space vehicle system. 根据未来航天运载系统需求,提出采用液化天然气(甲烷、丙烷)作为大推力液体火箭发动机燃料的问题。
The Simulation of the Natural Gas Liquid Recovery Process by the Expander Refrigeration 膨胀机制冷天然气凝液回收流程模拟
Conversion of natural gas to liquid hydrocarbon ( GTL) via Fischer Tropsch synthesis ( FTS) is one of the main trends in the use of natural gas. 天然气先转化为合成气,再经Fischer-Tropsch反应合成液体烃类(GTL)是近年来天然气转化利用研究的主流。
The course of development and present situation of Natural Gas ( NG)/ Liquid Petroleum Gas ( LPG) Vehicle at home and abroad is introduced. 介绍了国内外天然气/液化石油气汽车的发展历程和现状,同时指出了目前在我国使用过程中存在的问题;
This paper introduced a few auto fuel alternatives exploited so far at home and abroad, including natural gas, liquid petroleum gas, methanol, ethanol, hydrogen, solar energy, electricity, etc. 介绍了目前国内外研究开发的几种汽车替代燃料,包括天然气、液化石油气、甲醇、乙醇、氢能、太阳能、电等。评述了各种替代燃料的特点、研究与应用现状及其发展前景。
Both domestic and foreign techniques including coal gasification, natural gas conversion and liquid fuel synthesis with gasified gases have been introduced together with gasification and synthesis for processing inferior crude. 介绍了国内外煤气化、天然气转化技术,气化气合成液体燃料技术,以及采用气化和合成工艺的劣质原油加工路线。
The operation performance of a spark ignition natural gas engine with two cylinders, including dynamometer card in cylinders, intake pressure liquid, air fuel ratio, temperature field of cylinder head and piston, and emission, is tested. 对一台火花点火式两缸天然气发动机进行了缸内示功图、进气压力波、空燃比、缸盖及活塞温度场和排放等项目的测试。
According to conservation of energy, when Joule-Thomson effect on natural gas and friction heat of liquid are considered, a temperature drop formula to calculate multiphase pipeline is deduced. 根据能量守恒原理,既考虑天然气的焦耳&汤姆逊效应,又考虑了液体的摩擦生热,推导出了计算多相管流温降的理论公式。
Method for Calculating Natural Gas Flow Measured by Orifice plates in the Presence of Liquid Droplets 存在液滴时用孔板测量天然气流量的计算方法
Research on Natural Gas Synthetic Liquid Fuel 天然气合成液体燃料研究进展
New process of preparing hydrogen by natural gas and liquid fuel in the field 天然气或液体燃料现场制氢新工艺
The technological process by using low carbon alkane to make aromatic hydrocarbons not only explores a new approach for synthesizing aromatic hydrocarbons, but also opens up a way for raising multipurpose utilization of natural gas liquid. 这种用低碳烷烃制取芳烃的工艺过程不仅为芳烃合成探索了一条新路子,而且也为油田轻烃的高附加值综合加工利用拓宽了途径。
It describes the two storage methods of natural gas ( gaseous form and liquid form), the basic guidline in tank construction ( safety and economy) and the decision method of storage volume; 阐述了天然气的两种储存方式(气态与液态)、建造储存容器的基本准则(安全与经济)和储存容积的确定方法。
Natural gas in these basins is primarily thermal cracking gas from liquid hydrocarbons. 盆地的气源以液态烃的裂解气为主。
Feasibility analysis of applying LHSS equation in surface natural gas liquid recovery under low temperature condition LHSS方程在地面轻烃低温回收中的应用可行性分析
Wet natural gas flow is a gas-liquid two phase flow with low liquid fractions, there is no commercial wet gas meter in Domestic market. 凝析天然气是一种低含液率的气液两相流混合物,国内尚没有商业化的凝析天然气流量计。
Since there is little petroleum while abundant natural gas and coal in China, it is potential to develop Fischer-Tropsch synthesis, a new technology to transform coal and natural gas into liquid, as one efficient way to alleviate the problem of shortage energy supply of China. 我国石油较少、天然气含量和煤炭资源比较丰富。发展以煤和天然气为原料的费托合成技术,是缓解我国能源供应不足的重要途径之一。
In the development process of Natural gas wells, there are many factors causing liquid loading, such as the impulse of the edge and bottom water, fracturing and acidizing. And liquid loading leads to the decline of the gas production, even crushed gas. 天然气井在开发过程中由于边、底水的推进以及压裂、酸化等作业措施,造成井筒内不断积水,从而使产气量下降,甚至压死气井。
Piping systems, as a reliable, economical, convenient, pollution free means of transportation, have been widely used in the transportation of petroleum, natural gas, coal liquid etc. The safety of piping is of high important. 管道作为一种安全、经济、便捷、对环境影响小的运输方式,在石油、天然气和煤浆等能源的运输中得以广泛应用,其安全性至关重要。
Natural gas hydrate, with the snow appearance, is a complex compound formed from natural gas and liquid water under a certain temperature and pressure during the process of extraction, processing and transportation. 天然气水合物是天然气开采、加工和运输过程中在一定温度和压力下天然气与液态水形成的冰雪状复合物。
The Natural Gas Liquefaction Station mainly uses heat exchange method to product liquid natural gas. The natural gas is transferred to the station area by pipeline, and then it passes through pretreatment unit, liquefaction unit, storage unit and loading measurement unit. 天然气液化场站主要是通过换热方式生产液化天然气,天然气经管线进入液化厂界区后,经过预处理、液化、储存、装车计量后销售出厂。