查询词典 coal field

The physical and mathematical models of underground gasification are erected; a temperature field in the district of gasification is set up; the instance analysis on the computer analogue simulation machine has been carried out; systematic analysis and research on the variable rules of temperature and different components has also been taken and some important resultants about the best position for drilling and the relationship between adjustment and control and gasification stability have gained, which opens up a new field for the sight research of the control of the stability of underground gas of coal.

建立了钻孔调控气化的物理模型、数学模型及气化盘区温度场，并进行了计算机模拟仿真及实例分析，对温度及各组分的变化规律进行了系统的分析研究，得出了最佳调控钻孔位置及调控与气化稳定的关系等重要结论，为煤炭地下气化稳定控制的可视化研究开辟了新的领域。

Studying the chemical balance,energy balance and material balance in the gasification process and probing into the interaction in the gasification process and law of changing offer a theoretical foundation for gasification control. Through the materialization nature of coal, the gasification characteristics of the deoxidize zone are mainly studied (the dynamics characteristics and chemical characteristics). Probing into coz deoxidize mechanism ?establishes the theoretical foundation for the proposition of mark gas;the Principle to adjust and control temperature and applying methods is studied;the physical and mathematical models of underground gasification are set up;A temperature field in the district of gasification is set up and the instance analysis of computer analogue simulation machine has been carried out.

本文通过探讨"三带"基本特征，进而对煤炭地下气化的过程稳定进行研究；研究气化过程中的化学平衡、能量平衡及物料平衡，探讨气化过程中各组分之间的相互关系及变化规律，为气化调控提供理论依据；通过煤炭的物化性质，重点研究还原带的气化特征，分析探讨还原机理，为标志气体的提出奠定理论基础；研究以标志气体为核心的调控升温气化原理及实施方法；建立地下气化的物理模型与数学模型；建立气化盘区温度场，并进行计算机模拟仿真的实例分析。

Through different preparation technology, needle coke was prepared with coal-tar pitch under the effect of magnetic field and ultrasonic capitation.

在不同制备工艺下，用煤焦油沥青在磁场诱导和超声波空化条件下合成了针状焦。

The results show that,magnetic field at 0.8 T impedes moisture in the coal particles to vapor before ignition,comparing with no magnetic field,because of H2O diamagnetic properties.

试验结果表明，磁场对煤的着火有明显的影响，在强度为0.8特斯拉的磁场作用下，煤粒温升加速，升温过程出现明显地阶跃现象。

The direct numerical simulation method was applied to an industrial scale entrained flow coal gasification radiant syngas cooler to simulate three-dimensional multiphase flow field and temperature field.

通过直接数值模拟的方法对实际气流床煤气化辐射废锅内三维多相流流场和温度场进行了模拟。

Besides,maximal obstacle facing our country and Shanxi Province's energy conservation job is that the law guarantee is insufficient:(1)Our country's supporting system of energy conservation law and regulation is extremely not perfect;(2) our country's Constitution does not make the energy conservation legal status clearly,so that the legislation orientation of energy conservation law insists to hang down;(3)The maneuverability of current energy conservation law is not good;(4)It exists the phenomena of coyoting of Shanxi Province' coal resource and disorder construction of the sources of energy field,it lacks branch law and regulation,technical norms,energy conservation check mechanism of the relevance industry field on energy conservation.

此外，我国与山西省节能工作面临的最大障碍就是法律保障不足：①我国节能法规配套体系很不完善；②我国宪法没有明确节能的法律地位，导致节能法的立法定位偏低；③现行节能法可操作性差；④山西省煤炭等资源的滥采乱挖和能源领域的无序建设普遍存在，缺乏节能相关行业领域的部门法规、技术标准、节能考核机制。

In 1970s ,the discovery of Wenliu coal-formed field marked a new period of Neopaleozoic field exploration in North China.

上个世纪70年代文留煤型油气田的发现，标志着华北上古生界油气田勘探进入了一个新阶段。

They help us understand the regulation of inner gas-flow field of coal ball mill and lay a foundation for further study in gas-particle property of the machine. At the same time, the conclusions offer beneficial reference for optimizing the machine structure design and controlling the inner flow field.

文中总结出磨煤机内气相流场随磨煤机填充率和进出口管道口径变化的规律，为磨煤机的结构优化设计和实际生产中对磨煤机内部流场进行控制提供了有益的参考。

The nozzle of the gasifier is simplified. The cold-flow field in the gasifier chamber is studied. The research shows that the chamber has recirculation along the whole length. The particles in the chamber perform a very good flowing characteristics even for the large particles of dp=150μm, and no abrupt change is observed. This is due to the operational pressure is high and the density of the gas is large there. The maximal reflux velocity of both phases, the reflux intensity, the concentrational distribution of particles, and the static pressure loss in the chamber are all related to following factors: the load of gasifier, the concentration of coal-water slurry, the diameter of the coal particle, the distribution ratio of oxygen in the two channels of the nozzle, and the angle of jet in nozzle.

本文对水煤浆气化炉喷嘴进行了简化处理，在此基础上，对气化室内的冷态流动过程进行了研究，发现：整个气化室都处于流动的回流区长度范围以内；水煤浆气化炉中，由于操作压力很高，气相密度很大，所以即使对于dp=150μm的较大煤颗粒，其对流体的跟随特性也很好，没有发生流动特性突跃的现象；两相的最大回流速度、回流强度，颗粒相的浓度分布，以及气化室内的静压力损失等，均与气化炉的负荷、水煤浆浓度、煤粒直径、O2在喷嘴两个流道中的分配比例、以及喷嘴的射流角等参数有关。

In order to monitor the injected pulverized coal particle com- bustion working states,the flame temperature,image relative brightness and temperature field distribution of pulver- ized coal combustion flame are calculated using image proc...

用图像处理和三基色辐射测温法计算回旋区煤粉燃烧的温度变化和相对亮度变化，监控喷吹到高炉的煤粉粒子燃烧工况。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷