查询词典 coal

The introduction of coal gasification technologies and the choice of gasifiers for Hebi-coal to methanol

用螺旋加料器将煤粉送至混合器，与氧气和蒸汽混合，通过炉头中的烧嘴喷入气化炉。

Reliability evaluation of existing structures is shown from the angle of artificial neural network. The influencing factors and deformation characteristics of buildings above goafs are summarized based on the code of coal pillar design and pressed coal mining for buildings, water-bodies, railroads and main mine roadway. The model of neural network is build to solve the problems about complex influencing factors and long evaluating time of building evaluation. BP network model compared with traditional way has strong practicability and extension value.

本文从人工神经网络的角度着手，基于国家煤炭工业《建筑物、水体、铁路及主要井巷煤柱留设与压煤开采规程》，分析了采动区建筑结构的影响因素和变形特性，运用已有的采动区建筑物可靠性评估实例，建立了BP人工神经网络可靠性评估模型，对采动区在役结构可靠性进行了评估，较好地解决了采动区建筑物可靠性评估影响因素复杂和耗时长的问题。

In the clean development mechanism project under the auspices of the ground Peigou Coal mine gas power stations out of the use of low-concentration gas, a gas-fired generating units and the use of grid, the energy-saving emission reduction technology for coal mine gas management and environmental protection have an active role in the promotion of a wide range of value.

在清洁发展机制项目的资助下，裴沟煤矿地面瓦斯发电站利用井下抽出的低浓度瓦斯，实现了使用燃气发电机组并网发电，该技术对于矿井节能减排、瓦斯治理和环境保护都有积极作用，具有广泛的推广使用价值。

Taking the 1#'s coal trestle in the coal-smashed engine room of Shenyang thermal power plant which was set up in 1958 for example, it is discussed that when fall-off height of concrete in drawing district of reinforced concrete structural member harmed seriously in flexure increase, the bond performance of reinforcing bar and concrete deteriorate continuously and the time-dependent regulation of the weight force and deformation of structural member. Dynamic reliability indexes before and after consolidation is obtained by the method.

鉴于现行的可靠性鉴定标准与结构设计标准不相协调，仅从定性的角度给出了结构构件和系统的可靠性要求，以始建于1958年的沈阳热电厂碎煤机室1＃甲输煤栈桥为例，讨论了受损严重的钢筋混凝土受弯构件随拉区混凝土脱落高度的增加、钢筋与混凝土之间粘结性能不断劣化，构件承载力及变形的经时规律，并求得加固前后动态可靠指标，使得可靠性鉴定结果更具科学性。

The invention makes full use of sulphur in the high-sulphur coal and the coal gangue to produce stable SO2 with high concentration and provides qualified feed gas for acid-making technique; calcium sulfate is reduced and decomposed to obtain calcium oxide slag which is taken as raw material for producing cement.

本发明充分利用了高硫煤和煤矸石中的硫，产生稳定高浓度的SO 2 ，为制酸工艺提供合格的原料气，硫酸钙还原分解后的氧化钙渣作为制水泥生产的原料。

Likewise, emissions "depend almost entirely on the quality of the coal they use," said the report's lead author, Edward Steinfeld , rising when lower quality, high-sulphur coal is burned.

废气排放也随着低质、高含硫量燃煤的使用而升高。用该调查报告的第一作者爱德华。斯坦菲尔德的话说就是&排放几乎全部取决于他们所用燃煤的质量。&

Based on the circular oxidation self-combustion mechanism of high-sulphur coal , the inhibition mechanism of Ca2 to high-sulphur coal is explained from chemical, negative-catalytic and physical inhibition actions.

在实验室实验的基础上，分析了混有不同浓度氢氧化钙煤样的氧化升温梯度和阻化时间变化率，基于高硫煤的循环氧化自燃机理，从化学反应理论、负催化活化中心理论和物理阻化作用三个方面深入分析了氢氧化钙阻化液对高硫煤的阻化机理。

119Sn and 57Fe Mossbauer analyses of the liquefaction residues have led to explanation of these observations in terms of the formation of elemental tin in low-sulphur coal and pyrrhotlte, Fe0.92S, in high-sulphur coal.

对液化余渣的穆斯堡尔分析的结果，使我们可以用低硫煤中元素态锡的形成以及在高硫煤中磁黄铁矿（Fe_(0.92)S）的形成来对观察到的现象作出解释。

Low-sulphur Yanzhou coal and high-sulphur Changguang coal were selected as experimental coals, experiments of formation of Q phase in the process of cement clinker cogeneration were performed on two-stage polyphase reaction setup.

选取低硫兖州煤和高硫长广煤为实验煤种，在两段多相反应实验台上进行联产水泥熟料过程Q相矿物的生成实验，对所得熟料进行矿物组成X射线衍射分析，结果表明低硫兖州煤和高硫长广煤联产水泥熟料，当混合煤粉中添加适量的CaO、MgO时，联产熟料中有Q相矿物的生成，联产过程中Q相矿物的生成机制与单矿物2CaO。

The invention relates to a method for adopting a compound reducing agent to reduce and decompose phosphogypsum; the method comprises the following steps of: using high-sulphur coal and coal gangue to prepare the compound reducing agent; utilizing tail gas to dry the phosphogypsum and the compound reducing agent which are ground and mixed evenly and then transferred into a reducing and decomposing furnace; carrying out reduction and decomposition till the reaction is completed.

本发明涉及一种采用复合还原剂还原分解磷石膏的方法，该方法将高硫煤和煤矸石配成复合还原剂，再将磷石膏、复合还原剂利用尾气烘干、磨细后混匀送入还原分解炉，进行还原分解，直至反应完全。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。