查询词典 gas range

The article mostly discusses gas application burning excess air coefficient calculation methods, introduces different calculation formula application range, and giving examples in natural gas, liquefied petroleum gas and manufactured gas calculate its excess air coefficient on the same oxygen content of fuel gas, and the influences of excess air coefficient to air consumption and fuel gas production during burning process.

文章主要论述了燃气具燃烧过剩空气系数的计算方法，介绍了不同过剩空气系数计算公式的使用范围，并举例天然气、液化石油气和人工煤气三气种燃气具在测得烟气中相同氧含量时过剩空气系数的计算方法，以及过剩空气系数对燃气具在燃烧过程中消耗空气量和同时产生烟气量的影响。

Discussing and studying the piping feeding distance that is from outgate of decompression orifice plate of IG541 mixture gas piping extinguishing system to the farthest nozzles, gave the range of piping feeding distance that is common in use IG541 mixture gas fire extinguishing system s in engineering design.

依据《气体灭火系统设计规范》，对IG541混合气体有管网灭火系统减压孔板出口到最远喷头的管道输送距离进行探讨，提出工程设计中IG541混合气体灭火系统常用的管道输送距离范围。

Moreover, online measurement system can be obtained after a fitting formula about water vapour saturated pressure in the gas pipeline at different temperatures is established by using the function chain neural network, which can greatly simplify the software of measurement of gas flux in the pipeline and quickly and truly realize measurement of gas flux in the pipeline in real time and on line in the design range of flowmeter.

在管道煤气计量系统测量中引入管道煤气相对湿度修正，并采用湿度传感器转换相对湿度信号，利用函数链神经网络对管道煤气工况温度下所对应的水蒸汽饱和压力进行拟合，得到基于函数链神经网络的管道煤气流量计量模型和在线计量系统，从而大大简化管道煤气流量计量软件，在流量计设计范围内实现管道煤气流量实时在线计量。

As an important part of gas resource and an important source of sulfur, the sulfurous gas has a great amount of global resources and distributes in a wide range, mainly in large oil and gas fields of North America, Europe, the former Soviet Union, the Middle East, Asia and other regions.

含硫化氢天然气是天然气资源的重要组成部分，也是硫磺的重要来源之一，其全球资源量巨大，分布范围广泛。高含硫化氢天然气主要分布在北美洲、欧洲、前苏联、中东、亚洲等地区的大型油气田中。

The measurement results show that the intensity increases rapidly with discharge voltage at a lower voltage range, but the speed slows at the higher voltage range, for constant gas pressure of 130 Pa; and the intensity increases backwardly with gas pressure at constant discharge voltage of 6.4 kV.

实验数据显示，保持气体压强p=130 Pa不变，在电压较低时，光谱强度随电压增长较快，在电压较高时，光谱强度增长较慢；保持放电电压U=6.4 kV不变，光谱强度随气压增长逐渐变小。

Therefore, established a finite element Stable response model of a horizontal whole string and carried out t the safety varied frequency of gas well after researched the natural seriously transversal vibration and compressional vibration frequency range of tubing string with packer and packerless, so that it make the tubing string to avert the covibration frequency range of natural gas excited.

本文认为以某井高产量稳产时，天然气对油管柱的外激励为简谐激振，因此研究中建立某水平井全井段油管柱稳态响应的有限元力学模型，并获得了在无封隔器和有封隔器情况下的油管柱发生严重横振和纵振的频率范围，提出了天然气安全调节频率范围，使油管柱避开可能引起严重破坏的天然气激励频率区域。

Express as a result that the study area gets close to hydrocarbon generation center, have high-quality coal measures hydrocarbon source rock along with big hydrocarbon generation intensity, so it has abundant gas source and the material foundation to form large scale natural gas reservoir; Evaporitic tidal flat facies of the Ordovician Majiagou Formation in this area is situated in the austral expanded range of the karstification zone, and is the optimum natural gas prospecting targets of the lower-Paleozoic; In the south of study area, there are well-developed delta deposition system sand bodies of Shanxi Formation and Xiashijezi Formation, hence this area becoming the most beneficial Neopaleozoic natural gas enriched region; In this area, the Paleozoic develop various concealed non-structured traps, the natural gas migration and accumulation process is very beneficial and both the cover and the conservancy condition are also very good.

结果表明：研究区紧邻上古生界生烃中心，发育优质煤系烃源岩，生烃潜力大，气源充足，具备形成大型天然气藏的物质基础；区内奥陶系马家沟组发育有蒸发潮坪相沉积，位于北部古潜台的向南延伸带上，是下古生界天然气的有利勘探目标；南部山西组和下石盒子组发育三角洲沉积体系砂体，是有利的上古生界天然气富集区；研究区古生界发育各种隐蔽性非构造型圈闭，天然气运聚成藏过程非常有利，封盖和保存条件也很好。

Large condensate gas pools are developed in the Ordovician and Carboniferous in the Lunnan low salient. Geochemical study shows that the Ro of gas condensate in these gas pools is in the range of 0.8% 1.0%(far below the threshold of R o＝1.3％ for thermal cracking), and the condensate gas is overmature dry gas (with R o＞2.0%). Moreover, the crude oil and dry gas in the study area were charged in different stages, indicating that the genesis of the condensate gas was not thermal cracking.

轮南低凸起奥陶系及石炭系发育大规模的凝析气藏，地球化学的研究结果表明，这些凝析气藏中凝析油 Rc 在0.8%~1.0％（远低于热裂解成因 R o＝1.3％的门限），凝析气为过成熟干气（回归 R o＞2.0％）；同时，区内原油与干气的充注期相异，表明轮南地区的凝析气藏并非热裂解成因的产物。

In the clean development mechanism project under the auspices of the ground Peigou Coal mine gas power stations out of the use of low-concentration gas, a gas-fired generating units and the use of grid, the energy-saving emission reduction technology for coal mine gas management and environmental protection have an active role in the promotion of a wide range of value.

在清洁发展机制项目的资助下，裴沟煤矿地面瓦斯发电站利用井下抽出的低浓度瓦斯，实现了使用燃气发电机组并网发电，该技术对于矿井节能减排、瓦斯治理和环境保护都有积极作用，具有广泛的推广使用价值。

The main products are divided into series of electric food oven, electric frying food warm furnace series and display cabinets, grilled hot dogs and other snack machine equipment, gas oven range, gas furnace and gas fried Pa Furnace Series, while the fuel-type hot-air baking oven is also the company's leading product.

主要产品分为电热食品烤炉系列、电热油炸炉系列及食品保暖展示柜、烤热狗机等小吃设备、燃气烤炉系列、燃气炸炉及燃气扒炉系列、同时燃油式热风烘烤炉也是本公司的主导产品。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。