查询词典 gas coal

As a kind of tremendous natural gas of unconventionality, coal bed gas has beentreated as the source of clean energy resource and chemical raw material, which hasbeen laid store by pertinent departments.

煤层气作为一种资源量巨大的非常规性天然气资源，已被视为洁净能源和化工原料的重要来源，引起各有关部门的高度重视。

With the addition of the agglomerant solution, the particle emission concentration in flue gas decreased significantly.The submicron particles agglomeration technology whose cost is cheaper can control the emissions of submicron particles and decrease the opacity of flue gas obviously without changing the operation parameters of the ESP.The particle agglomeration technique is a useful and promising method to control the emission of submicron particles from coal combustion.

结果表明，化学团聚对于超细颗粒物的脱除具有显著的作用，喷入团聚促进剂后的烟尘排放浓度远比无团聚和喷水的情况要低；团聚促进剂的高分子链对超细颗粒的吸附絮凝作用促进超细颗粒团聚，显著降低烟尘排放浓度，实现超细颗粒物经济高效脱除，达到国家新的烟尘排放标准。

The result shows that oil and gas from Xujiahe group mainly comes from autogenic coal source rock,and bind is main.Genetics of natural gas is mainly mature humic mothermaterial,small condensate oil and crude oil is m... \r\n

指出须家河组油气主要来自须家河组自身的煤系烃源岩，并以煤系泥岩贡献为主；天然气以成熟腐殖型母质成因为主，少量的凝析油和原油来自其中的混合型有机质，不具备典型煤成油特征。

The effect rule and mechanism of gas on electromagnetic emission and the principle of predicting coal and gas outburst with EME were investigated.

研究了瓦斯对电磁辐射的影响规律及影响机制，对电磁辐射法预测煤与瓦斯突出原理进行了探讨。

Against the particularity of problem of gas bursting of Ⅱ(sub script 1) coal seam in Ludian gliding structure in west Henan, through a large amount of work of field surveys and interior research, and viewed from the basic theories of structural petrology, discussed some characteristics of mining gas hazard such as image, mechanism and tectonic control process.

摘要针对豫西芦店滑动构造区二(下标1)煤层瓦斯突出问题的特殊性，通过大量野外地质调查和室内研究工作，从构造岩石学基本理论着手，讨论了构造区矿井瓦斯地质灾害的表象、机理和构造控制作用。

The feature of the shaft furnace-iron bath smelter charging carbon-bearing pellets is that partial off-gas of shaft furnace is mixed with gas from smelter and then put into shaft for preheating and pre-reduction. The optimum operational parameter is at the point of prereduction degree of 52% and post-combustion degree of 32% where the coal consumption is 750kg/tone-hot metal and oxygen consumption is 420Nm〓/tone-hot metal.(5) The systematic simulation of rotary hearth furnace-iron bath smeter is firstly formulated.

4本文建立的含碳球团竖炉—铁浴工艺流程模型的特点之一是竖炉炉顶出口煤气的一部分与铁浴煤气混合后，重新进入竖炉，本文报道的对系统部分出口物流返回反应器的非序贯式流程进行的系统模拟，为今后类似问题的模拟提供了参考，本工艺的最低消耗点的操作条件是：预还原度52％，二次燃烧率32％，这时的最低煤耗为750kg／tFe（中挥发份煤VM=19％），氧耗约420Nm〓／tFe，对应于预还原度30～70％的优化组合的二次燃烧率为32～13％。

In the past few years , the QingDao government regulates her energetic structure , step by step limits the use of coal and oil , encourages natural gas ; simultaneously natural gas becomes the prerequirement for real estate development .

近年来，青岛市政府实施能源结构调整，逐渐限制煤炭与燃油的使用，积极鼓励使用天然气；同时天然气也成为房地产开发的先决条件。

The project takes pyrogenic dry distillation gas of soft coal in continuous retort as the fuel gas and produces ferroalloy coke and crude tar oil.

本项目是以烟煤在连续炭化炉中热解的干馏煤气作为城市燃气，同时付产铁合金焦和粗焦油。

At the unchange condition of the relative site for the high level gas drainage gateway,the gas control results for the coal mining face with double tailing gateway s in different location layout were resea.

在该模型上相对于工作面回风巷不同水平距离位置布置了4条内错尾巷，研究在高抽巷位置相对现场不变的条件下，不同位置组合的双尾巷治理工作面瓦斯的效果。

For a higher yield, the multibranch well bore should be perpendicular to the direction of maximum principal permeability, b. for a given coalbed methane reservoir, there is an optimal interspace, by which a bigger control area and the interaction among the branches can be obtained, and c. with the extension of the branch, gas yield becomes obviously higher, while the branch length should be an appropriate value on account of the influence of coal bed boundary and wellbore pressure drop. The research results have guiding significance for well pattern optimization and efficient development of coalbed methane gas.

结果发现：为了获得较高的产能，多分支井的井筒应垂直于最大主渗透率方向；对于给定的煤层气藏，存在一个最优的分支间距，既能保证较大的控制面积，又能保证分支间的互相影响；随着分支长度的增高，产气量也显著增大，但是考虑到煤层边界和井筒压降的影响，分支长度也应该有一个比较合理的值。

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。