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To reduce the cost of coal blending ,new coal blending project was optimized based on the petrographic analysis of each coal and their caking properties.

通过在首钢迁安煤化工有限公司开展炼焦配煤方案的优化和调整工作，先后进行了工业炉孔试验和工业试生产。

There is a great difference in the gross composition and biomarker distribution between chloroform extracts of coal and oil from coal measures, which results in a difficulty in oil-source correlation in a coal-bearing petrolific basin.

煤的氯仿抽提物族组成和生物标志物分布特征与煤系原油存在很大差别，导致含煤沉积盆地中煤系原油的油源确认十分困难。

In combination with the internal attribution of coal-bed coal thickness, coal petrologic composition and ash content, etc.

提出了一套研究煤层割理及割理系统的方法，并完善了用割理评价渗透率的方法。

The comprehensive research showed that coalbed methane accumulation is mainly controlled by coal seam thickness ,coal petrological composition,coal rank,adsorbability and good preservation conditions.

综合研究表明：该区煤层气富集的控制因素主要为煤层厚度、煤岩组分、煤级、吸附性能和良好的保存条件。

A new desulfurization apprach for pulverized coal combustion is introduced in this paper; pulverized coal is first burn in a precombustion furnace under oxygen deficient condition (about 30% air needed in boiler is provided for precombustion), in precombustion moust of sulfur in coal is decomposed and oxidized, and evolved, the sulfur evolved is trapped in a desulfurizing fluidized bed by calsuim, and then the char and gas are introduced to the boiler furnace for complete combustion.

本文提出了一种煤粉燃烧脱硫新方案，利用煤中硫优先氧化分解释出的原理，用少量的空气（大略为锅炉实际空气用量的30％），在一前置燃烧室中，使煤粉中硫的绝大部分被分解氧化，释放出来，释放出来的硫在脱硫流化床中被石灰脱硫剂脱除，未燃烧的炭粒与烟气再吹进锅炉膛中完全燃烧。

The strategic analysis is introduced into coal enterprise logistics cost precontrol and it set goals for the logistics cost at last from the strategic plane of the coal enterprise competition demand,through logistics strategic cost agent analysis and logistics strategic location analysis to determine logistics service level under different logistics strategies in coal enterprise,and it provides premise and foundation for the logistics cost control from the view of value creating.

煤炭企业物流成本事前控制引入战略分析法，从煤炭企业竞争需求的战略层面出发，通过物流战略性成本动因分析，物流战略定位分析，确定煤炭企业不同物流战略下的物流服务水平，可以最终为确定物流成本目标，为从价值创造的角度进行物流成本控制提供前提或基础。

Evaluating innovation system ability of state-owned coal mines that is predeterminative condition of building high yield and high efficiency innovation system of state-owned coal mine and constituting definitely innovation stratagem of coal mine.

评价国有煤矿创新系统能力是建设高产、高效的国有煤矿创新系统和有的放矢地制定国有煤矿创新战略的先决条件。

High organic sulfur Beisu bituminous coal and high pyritic sulfur Yangquan anthracite, which involved in raw coal and no inorganic sulfur coal, have been used to investigate the regularity about sulfur forms evolution during combustion by means of improved automatic sulfur analyzer in this paper.

利用改进的自动测硫仪，以高有机硫北宿烟煤和高黄铁矿硫阳泉无烟煤作为研究对象，在不同温度下对原煤和脱无机硫煤在煤燃烧过程中硫析出特性进行了研究，另外对原煤和脱无机硫煤在热解和燃烧时硫形态的变化进行了研究。

These experiment investigztions indicate: When coal is under high heating pyrolytic condition, the pyrite in coal decomposes very quickly, some amount of pyritic sulfur is transformed to organic sulfur and 〓 char, the volatile waterial in coal will restrain the transformation.

根据这一些试验研究得出：煤在快速热解条件下，煤中的黄铁矿的热分解极快，黄铁矿热分解的一部分硫转化成有机硫而存留在残炭中，煤中挥发份对这种硫的转化起抑制作用。

It has been summarized that domestic coal-blending study in ten years, included two major problems concerning coal blending ratio and pyrogenation and combustion of mixed-coal.

综述了国内10年来混煤研究的情况——混煤掺烧配比和混煤热解与燃烧两个主要问题。

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。