查询词典 gas coal

According to theory of diffusion and permeation,and theory of adsorpt ion equilibrium of commixture gas,the mechanism of increasing coalbed methane production by gas injection is studied, with which it is illustrated for enhancing energy of storing gas stratum, heightening pressure conduction coefficient of storing gas stratum and binging domino effect of competition adsorption by gas injection, consequently yield and ratio of recovery of coal bed methane are also enhanced.

依据扩散渗流和多组分吸附平衡理论，研究了注气开采煤层气的增产机制。研究表明，注气增加储层能量，提高储层压力传导系数并产生竞争吸附置换效应，从而提高煤层气开采时的单产量及回收率。

The effects of operation condition, such as type of coal, coal feed rate, steam/coal ratio and air/coal ratio on gas composition, calorific value, carbon conversion and gasification efficiency are analyzed.

以空气和水蒸气为气化剂，在循环流化床煤气化热态试验台上进行了神华煤、龙口煤和大同煤的气化试验，研究了煤种、加煤速率、空气煤比、蒸汽煤比对气化过程的影响。

Experiments on gasification of Shenhua, Longkou and Datong coals in the rig with the agents of air and steam at atmospheric pressure and different operation conditions were carried out. The effects of operation condition, such as type of coal, coal feed rate, steam/coal ratio and air/coal ratio on gas composition, calorific value, carbon conversion and gasification efficiency are analyzed.

以空气和水蒸气为气化剂，在循环流化床煤气化热态试验台上进行了神华煤、龙口煤和大同煤的气化试验，研究了煤种、加煤速率、空气煤比、蒸汽煤比对气化过程的影响。

In the ancient times, the Chinese people gained deep understanding of the coal properties such as the combustibility, efflorescence, self-burning, sulphur of coal, gas poisoning and gas in underground mines.

古代中国人对煤炭性能的认识不断深入，从煤的可燃性、风化、自燃，到煤的含硫性乃至煤气中毒、井下瓦斯，均有深刻的认识。

The paper stated a gas movement process at the top even angle in seam roadway and coal mining face and the cause of gas accumulation in some coal area.

首先分析了瓦斯在井巷风流中的运移扩散方式，论述了煤层巷道及工作面上隅角瓦斯运移过程及其局部区域形成瓦斯积聚的原因，就目前所用的治理局部瓦斯积聚的措施进行了简要分

This paper based on the low gas permeability coal seam 416 stope working face of Tongchuan mineral bureau,we analyzed the mechanism of the hydraulic cutting seam to improve the gas permeability coal seam,by this study,it shows the hydraulic cutting seam technology is effectual measure and it is provided with nicer practically and capacious foreground.

文章以铜川矿务局陈家山煤矿低透气性416综放工作面为研究背景，深入研究了水力割缝增强煤层透气性的作用机理，试验表明了水力割缝的确是一种提高低透气性煤层瓦斯抽放的有效措施，并具有良好的实用性和广阔的推广前景。

The third big choice involves whether to pulverize coal and then burn the powder, as is done now, or convert the coal into a gas and then burn the gas, in a process known as integrated gasification combined combustion, or

第三个重要选择是是像现在一样将煤研碎燃烧，还是通过综合气化法将煤转换成煤气再燃烧？

Professor Jiang pointed out that, at this stage, prices are affecting the implementation of household gas boiler sensitive factors, China's coal and gas price ratio of 1:4, if the Government is no hard and fast rules, coal is definitely the first choice for many users.

姜教授指出，在现阶段，价格是影响家用燃气锅炉的敏感因素的实施，中国的煤炭和天然气价格比为1：4，如果政府没有硬性规定，煤炭肯定是第一选择对于许多用户。

According to the distribution law of three zones in uncovering coal and the relation between the distribution law and delay outburst, the prevention and control technology is brought up, which firstly adopts gas drainage in the coal through drainage hole to release the outburst power by stages, and then intensifies the intensity of uncovering coal and increases the length of stress relaxation zone and stress concentration zone by using the liquid injecting and freezing to prevent the coal rheology. At last, the shoring measures to prevent roof falling is tabled.

根据掘进工作面附近暴露煤体的&三区&分布规律及其与延时突出的关系；提出先采用钻孔抽放石门突出煤层瓦斯等措施分阶段释放煤与瓦斯突出动力源；再用注液冻结技术增强揭开煤体的强度、增加集中应力区和卸压区的长度来防止被揭开煤体发生流变而导致延时突出的防突技术；以及在揭煤后采取迅速支护防止空顶和冒落等防治措施。

Nearby the chefoo area new bridge coal gas company hires 60 square meters houses, the middle-grade repair has the water and electricity coal gas warm air cable TV furniture and so on matching facilities, this is a two rooms of hall, the environment is quiet and tasteful, the good communications, two bedroom Chaoyang, the white model the metal window, the ground are the ceramic tile, the indoor have two double beds, set of sofas, television cabinet, television, closet, cabinet, the kitchen fan and burn the steam stove one set, the water heater and so on, in the room clean warm, long renting first, intermediary do not harass.

个人 芝罘区新桥煤气公司旁边出租60 平米的房屋，中档装修有水电煤气暖气有线电视家具等配套设施，此房为两室一厅，环境幽雅，交通便利，两卧室朝阳、白色塑钢窗、地面为瓷砖，室内有两张双人床、一套沙发，电视柜一个，电视机一台，衣柜一个，橱柜一个，抽油烟机和燃汽灶壹套，热水器等，房内干净温馨，长租者优先，中介勿扰。

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。