查询词典 gas coal

On the basis of the Tin reverberator smelting thermodynamics process computer simulation model,the research was taken in what influences the smelting temperature,tin tenor in roasted product and reduction coal ca- pacity would do to the distribution of the main elements or components just like Pb,Zn,C,O in the grossly tin,slag and gas phase.

利用已建立的锡反射炉熔炼热力学过程计算机模型，首次研究了熔炼温度、焙砂锡品位及还原煤量对Sn、Fe、Pb、Zn、C等元素或组分分别在粗锡、炉渣及炉气相中分配行为的影响。模拟结果表明，熔炼反应最佳温度为1500K，当到达这一温度后，再提高炉温对反应过程的优化并无明显贡献，提高入炉焙砂的锡品位及还原煤量均对提高粗锡品位及锡回收率有利

Instead, they have formed deposits of coal, natural gas and oil, often located far beneath the land surface or the sea-bed.

它们往往在地表或海底以下很深的地方形成了煤、天然气和石油的矿床。

As our energy needs continue to grow and as oil and gas are less able to satisfy the demand for fuel, coal is becoming an extremely important chemical sedimentary rock once again.

当我们对能源的需求不断增长，当石油和天然气还不能满足我们对燃料的需求时，煤便成了一种极其重要的化学沉积岩石。

Another 14-year old boy living in Haerbin has self-murder by absorb large of coal gas due to unsatisfactory on playing on-line games.

还有在哈尔滨市一个14岁少年近日因玩网络游戏不顺心，竟开煤气自杀，后被闻讯赶到的民警救下了，类似这些事还有很多。

This paper introduces the flow diagram and mechanism of semidry process flue gas desul-furization for medium and small sized coal burning devices using Ca_2desulfurizer.

介绍了选用熟石灰Ca2作脱硫剂的中小型燃煤烟气半干法脱硫工艺和反应机理，研究了浆液浓度、入口烟气温度和烟气SO2浓度对脱硫率的影响。

High-temperature furnace refractories: mainly mullite, corundum, silicon carbide, sillimanite products such as materials, widely used in various electric kiln, furnace (push plate tunnel kiln, shuttle kiln,) and the general coal, oil , gas heat furnace and so on, have a high refractoriness, high temperature strength, thermal shock stability and corrosion resistance, is an ideal high-temperature furnace refractories.

三。高温窑炉耐火材料：主要有莫来石、刚玉、碳化硅、硅线石等材质的制品，广泛应用于各种电窑、电炉和一般煤、油、气高温窑炉等，具有较高的耐火度、高温强度、热震稳定性和耐腐蚀性，是理想的高温窑炉耐火材料。

The stress propagation feature and effective area of gas drainage by blasting action were analyzed in the soft coal bed with the control holes.

分析了松软煤介质深孔爆破在有控制孔时应力波传播的特点和因爆破作用的抽放影响区域。

The pyrolysis characteristics and sulfur release characteristics during coal pyrolysis of three different coals, which include high volatile, were studied by TG-GC-MS(Thermal gravimetry-Gas Chromatography-Mass spectrum), tube furnace of pyrolysis reactor and intelligent fixup sulfur equipment.

本文应用热重—质谱—色谱联用系统、管式炉热解反应器和快速智能定硫仪，研究三种高挥发分煤种的热解特性和热解硫析出特性，对热解硫析出的两种主要产物(H_2S和COS)进行了监测分析，得到硫的赋存形态、粒径大小以及矿物质对各种形态含硫气体析出的影响规律。

Detection of Spontaneous Combustion Indication Gas of Coal.

煤的自燃指标气体检测。

With 3.0 t empty dual-use steam forging hammer, 1.0 t empty dual-use steam forging hammer, 750 kg, 400kg, 250kg, 150kg Kong Qichui a total of seven, made 3.0 t, 2.5t of a hammer plywood Taiwan, the construction of 2 m × 1.5m × 1.0m two large coal-fired furnace, a gas generator furnace, resistance furnace, Oil Furnace, Meilu stoves and other heat treatment of the four sets, with the following specs for Φ550 Saw 5,φ100 major fault Liu and other supporting material under the equipment, and has CW611250, T68, and other machining equipment, more than 60 species of vehicles, milling, planing, grinding, boring jobs complete, the main products φ820 × 60 × 1300 following the suppression of three products,φ273 high-pressure forging Billet-three links, all kinds of high-pressure-welded flange and 3.0 t following forging free, annual production capacity of 2400 t.

拥有3.0t空蒸两用模锻锤，1.0t空蒸两用模锻锤，750kg、400kg、250kg、150kg空气锤共7台，自制3.0t、2.5t夹板锤各1台，建造2m×1.5m×1.0m大型燃煤加热炉两座，煤气发生器加热炉1座，电阻炉、油炉、煤炉等热处理炉具各4套，拥有加工规格为Φ550以下锯床5台，φ100大型断料机等配套下料设备，且拥有CW611250、 T68等机加工设备60余种，车、铣、刨、磨、镗工种齐全，主要产品φ820×60×1300以下压制三通成品管，φ273高压锻制三通方坯，各种中高压平对焊法兰及3.0t以下自由锻件，年生产能力2400t。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。