查询词典 gas coal

On the basis of studying on identification, classification, gradation of gas accident hazard, the structure of coal mine gas accident is analyzed by means of typical accident.

在研究瓦斯危险源辨识方法、分类分级方法的基础上分析煤矿瓦斯危险源系统结构，通过典型事故案例剖析煤矿瓦斯事故危险源系统结构。

Coalbed gas reservoir simulator in 1.0 version is developed by modifying source code of Black Oil Simulation procedure BOAST II, the simulator breaks through the limitation of others coalbed gas reservoir simulation software that dont take coal matrix shrinkage into account.

修改黑油模拟程序BOAST Ⅱ源代码，发展了一个煤层气模拟器，该模拟器突破目前大多数煤层气模拟软件不能考虑煤基质收缩影响所存在的局限性。

Crude carbolic acid is the side-product in the gas production from coal in Harbin Gas Works.

哈尔滨气化厂生产的粗酚是煤气化后生成的副产品，它的分析采用YB/T5080-1993规定之测定方法。

Coal gas is a kind of deleterious gas, but it is a clean energy resource.

瓦斯事故是中国煤矿安全事故居高不下的主要原因，是重大的安全隐患。

So the first method is the best one, which makes use of the temperature discrepancy between brick and flue gas during initial stage of combustion to intensify burning by excess coefficient of maximum coal gas against minimum air, so that the temperature at top of arch can reach the highest specified value 1350℃ in 15-30mins.

因此较优的燃烧制度是固定煤气量调节空气的快速烧炉法，即燃烧初期利用砖温与烟气温度相差较大的时机，以最大煤气量和最小空气过剩系数来强化燃烧，尽快在15～30min内将拱顶温度烧到规定的最高值1350℃。

The decarbonization gas prepared by shift reaction and decarbonization of coal gas has low H/C ratio.

煤气经变换、脱碳后作为新鲜气生产甲醇，气体中氢碳比偏低。

During the co-pyrolysis experiment of coal and natural gas on the air pressure fixed bed, gaseous phase chromatograph was used to analyze the gas in the pyrolysis processing and the SEM was used to study the surface micro structure of the coke.

在常压固定床上进行煤与天然气的共热解试验，采用气相色谱仪分析热解过程中的气体，同时利用扫描电镜研究制得煤焦的表面微观结构。

According to mechanism of ECBM/CO2 sequestration, a mathematical model was developed. In the mathematical model, two-phase flow, multiple gas components and mixed gas sorption, impact of coal matrix shrinkage and swelling on permeability, pressure loss in wellbore were studied.

给出了多分支井模拟CO2注入开采数学模型，模型考虑了气水两相流动、多组分气体吸附、煤基质膨胀和收缩对渗透率的影响以及分支水平井井筒压降；根据数学模型得到了相应的数值模型和计算程序，进行了模拟计算对比。

The theory of incompatible equations and least square are used to build an equation about the pressure of gas and the site of coal, according to the original statistical data of gas pressure .

应用不相容方程组和最小二乘理论，根据已有的瓦斯压力原始统计资料，建立了煤层瓦斯压力和煤层地理位置关系的方程，并进行了相关性分析。

Objective To evaluate the influence of gaseous combustion products of the natural gas, liquefied petroleum gas and coal on the indoor air quality.

目的 初步评估天然气、液化石油气和蜂窝煤的气态燃烧产物对室内空气污染的影响程度和特征。

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。