查询词典 liquefied petroleum gas

In order to understand the amount of the argon gas entered the mold and the distribution of argon gas in the mold when blowing argon gas through stopper or upper nozzle, the water model with 1∶1 scale was built to investigate the effects of casting speed, argon flow rate, the manner of blowing argon, nozzle port angle and other parameters on the argon gas distribution in the different wide slab casting mold.

针对塞棒、上水口吹氩时，吹入的氩气有多少进入到结晶器钢水内和氩气在结晶器断面上如何分布的问题，采用1：1水模型，重点研究了吹气量、吹气方式、拉速、浸入式水口倾角等工艺参数对不同宽度结晶器内气体分布状况的影响。

The difference between the calculating results of gas-oil rate considering or neglecting casing gas is compared. It is demonstrated that bigger error will be caused without considering casing gas. When the pressure at the casing shoe is lower than the babble point pressure, there is a certain proportion relation between the easing gas production and the submergence pressure as well as the easing-tubing sectional area ratio.

针对放套管气生产油井，现场测试了多口油井的套管气量，比较了考虑套管气与忽略套管气对气油比计算结果的差异，证明忽略套管气产量会给气油比计算结果带来较大偏差。

Gas flow from borehole directly relates to the gas emission from drill drainage coal bed and judging the initial velocity of gas emission from the borehole. Therefore the study on the change and trend of gas flow has significant practical value.

钻孔瓦斯流量直接关系着钻孔抽放煤层瓦斯涌出量及钻孔瓦斯涌出初速度的判定，因此研究钻孔瓦斯流量的变化及发展趋势具有较大实用价值。

The valve is widely used at pipe of coal gas, air and other gas in metallurgy, building material, chemical industries etc. It can be used to cut off gas medium and let out gas.

煤气放散阀广泛应用于冶金、建材、化工等行业的煤气、空气和其它气体管道，作为切断气体介质设备，也可用于气体的排放和发散。

The synthetic gas and ash composition heat transfer and flow in vertical pipe of coal gasifier are simulated and analyzed by the theory and program presented. The temperature、velocity and concentration variations of synthetic gas and ash composition are accomplished. The influences of coal gasifier working condition and vertical pipe parameters on the gas and ash cooling process are discussed. The law of solid-gas two phase turbulent flow and heat transfer is further revealed.

本文还应用上述理论和程序，在国内首次对气化炉激冷室下降管内合成气和灰份的流动和传热过程进行了数值计算和分析，得到下降管内合成气和灰份的温度、速度和浓度等参数的变化，还讨论了气化炉运行参数和下降管结构参数如气化温度、下降管尺寸、灰份性质等参数变化对合成气降温过程的影响，进一步揭示了下降管内气固两相的流动和传热规律。

In order to solve the inconvenience of in-situ welding of hot gas conduit pipe pressure shell and eliminate the undetermined factors in safety evaluation, the present invention proposes one connection structure for hot gas conduit pipe pressure shell, and the structure includes hot gas conduit pipe pressure shell, movable loose flange, double-headed screw bolt and nut for fixing the hot gas conduit pipe pressure shell onto the reactor pressure shell and the steam generator pressure shell.

为了解决热气导管压力壳现场焊接带来的各种不便和安全评价时的不确定因素，本发明提出了一种热气导管压力壳连接结构，包括热气导管压力壳、用于固定热气导管压力壳至反应堆压力壳和蒸汽发生器压力壳的活套法兰、双头螺柱及螺母；第一活套法兰压在热气导管压力壳一端的凸缘上，并通过第一双头螺柱及第一螺母使得热气导管压力壳的一端与反应堆压力壳上的法兰紧密联结；第二活套法兰压在热气导管压力壳另一端的凸缘上，并通过第二双头螺柱及第二螺母使得热气导管压力壳另一端与蒸汽发生器压力壳上的法兰紧密联结。

There are three things - OK, more than three thing - that I find people won't believe, even after you prove it to them: 1 Warming up your car on cold mornings is a waste of gas - just get in and drive, staying under 35 mph for a mile or two; 2 Gas is gas - buying high octane gas is a waste of money unless your car is one of the select few that specifically demands it; and 3 finding a tick on your dog does not signal the impending apocalypse.

有三种东西--好，超过三事，我觉得人都不会相信，即使你证明他们：1冷车升温你早上是浪费气刚刚得到驾驶住在35主机一或两英里；2气气气买高辛烷值是浪费钱，除非你的车是世界上少数几个具体要求；3找到你的狗不剔信号即将启示。

This processing technology realized the function of bag dust remover which consider the needs of both solid-gas and gas-gas separation,meanwhile, it also provides the national tail gas treatment of incinerator and coal boiler with international advanced professional disposal equipment.

该工艺技术实现了袋式除尘器兼固一气分离和气一气分离的功能。为国内处理垃圾焚烧炉尾气和燃煤锅炉尾气提供具有国际先进水平的专用处置设备。

In this paper, different coal face 3801 in a mine gas emission time is based on gray theory of gas emission prediction method, a mine gas emission in GM (1, 1) prediction model made its prediction of gas emission, by making the residual test, the results show that the prediction accuracy can be predicted.

本文以某矿3801采煤工作面不同时间段瓦斯涌出量为依据，运用灰色理论提出了瓦斯涌出量的预测方法，建立了矿井瓦斯涌出量的GM(1 ，1)预测模型，并对其进行了瓦斯涌出量的预测，通过进行残差检验，结果表明预测精度高，可以进行预测。

On the basis of analyzing the geochemical indicators of the biogases of coal-bed gas type found at home and abroad and analyzing the geological conditions of forming these biagases,in comparison with the geological conditions and oil and gas distribution in Langgu Sag and in combination with microbial analogic experimental data,it is proposed that the types of the shallow gas in Langgu Sag should be biogenic transform gas and telogenetic biogas.

文章在对国内、外煤层气型生物气的地化分析数据和形成的地质条件分析的基础上，与廊固凹陷地质条件和油气分布状况相对比，结合微生物模拟实验数据，提出廊固凹陷的浅层天然气类型为生物改造气和后期式生物气，并初步阐明了其形成机制。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。