查询词典 coal vase

Optimized BP network model for predicting igniting temperature of pulverized-coal based on genetic algorithm;2. A review and elementary discussion of powder and pulverized-coal charge;3. Paper discussed flame ignition stabilization analysis of N125MW direct current burner in pulverized-coal boilers of solid state discharge.

以N125MW直流燃烧器固态排渣煤粉炉燃烧着火稳定性为研究对象，根据煤粉气流着火方式以及对影响煤粉气流着火因素的分析，提出提高煤粉气流着火稳定性以及低负荷燃烧不投油的控制措施，从而保证了煤粉的稳定着火，以保证锅炉安全稳定运行。

C blowing air into solution according to a certain flow rate by means of aeration mode, oxidating and breaking sulfocarbon bond, removing organic sulfur from coal, finally filtering treated coal sample and recovering alkaline solution and using it to treat the subsequent coal sample.

本发明在碱性溶液条件催化下，采用低温空气氧化的方法可以高效脱除煤中的有机硫，同时对无机硫的脱除也取得了比较好的处理效果，处理条件温和、处理费用低，同时不会对环境形成二次污染。

To further optimalize technical process of coal preparation plant,enhance automation control degree,Guhanshan Coal Mine Coal Preparation Plant combine PLCcontrol technology with production's request and characteristic of actual technique.According to these methods,continuous working of many equipment can be controlled automatically,operating personnel quantity and labor intensity also can be reduced,product quality question and safety incident caused by personnel,equipment operation...

为了进一步优化选煤厂工艺流程，提高自动化控制程度，采用PLC控制技术与实际生产工艺的要求和特点相结合的方式，实现了自动化控制多台设备连续性作业，降低了作业人员数量和劳动强度，有效减少了人员、设备操作等因素造成的产品质量问题和安全事故，提高了生产工艺中高精度控制的准确性。

Although a slight increase in coal production, but the National Coal Railway traffic substantially reduced to a quarter of the coal rail capacity for 300 million tons, 28.8 million tons year-on-year reduction, down 8.6%.

虽然煤炭产量略有增加，但全国煤炭铁路运量大幅减少，一季度煤炭铁路运量为3亿吨，同比减少2880万吨，下降8.6%。

During the development of Coal Industry in KunMing, what is the strategic position of Coal Industry in our city on earth? How to lay out ? Which problems should be soluted emphatically ? It promotes the sustainable,stable and well-liking development of the whole Coal Industry in order to be satisfied with the requirement of National Economy development.

在昆明市煤炭工业发展过程中，煤矿企业究竟占有怎样的战略地位，应该怎样布局和规划，应着重解决哪些主要问题，能促使煤炭工业持续、稳定、健康的发展，以适应国民经济发展的需要。

At the same time, the author put forward that coal tar resources should be utilized scientifically, can not construct blindly processing facilities of coal tar, construct or reconstruct the processing item of coal tar, the scale should base on 300 thousand tons and develop to 600 thousand tons.

同时，提出要科学利用煤焦油资源，不要盲目建设煤焦油加工设施，建设或改造煤焦油加工项目，规模要以30万t为基础，向60万t方向发展。

Dexinlong chemical company is located at the North of Shanxi Province where is called coal sea with plenty of large coking enterprise, which produce high quality coal tar, so this area is the best base for coal tar processing and carbon black production.

德信隆化工公司地处山西南部煤海地带，大型焦化企业密布周围，优质焦油得天独厚，是焦油深加工及生产炭黑的最佳基地。

Research on coal caving characteristics and caving technology for fully mechanized top coal caving mining face in thick seam with complicated parting structure;2. On the basis of mechanical property test of rock, the characteristic of combination system for coal and rock parting were thoroughly studied.

在煤岩力学性能试验的基础上，对煤矸组合系统的力学特性进行了较为深入的分析，揭示了含夹矸顶煤的破碎机理，建立了确定含夹矸层厚度上限值的方法，由此提出了提高含夹矸顶煤冒放性的主要技术措施，并在现场应用中取得了满意的效果。

The coal seam of No. 5102 face in Wuyang coal mine is steep, soft, and undulate. Aiming at this problem, the displacement and stress of top coal, roof and floor were researched by using UDEC software.

针对五阳煤矿5102工作面倾角大、煤层松软、煤层起伏大、综放开采的条件，利用UDEC数值模拟软件分别通过沿工作面走向和倾向剖面建立模型，对顶板、底板的位移和应力变化进行了研究。

The actual distribution of unload zone of coal seam ahead of working face can be shown by continuously testing the initial gas flow from coal seam during hole drilling, which can be used to forecast the outburst danger of coal roadway.

连续测定钻进过程中的初始瓦斯流量可以反映工作面前方卸压带的实际分布，从而准确地预测煤巷的突出危险性。

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。