For coal enterprises, the uniqueness of safety work decides a high proportion of safety cost in coal production cost.
对于煤炭企业来讲，安全生产的特殊性决定了安全成本在煤炭生产成本中占有很高的比例。
A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.
对厚煤层采用分层与放顶煤相结合的采煤方法，既可控制导水裂缝带的发育高度，又可降低生产成本。
The price of coal is determined not only by production cost, but also by internalized cost.
煤炭价格不仅决定于生产成本，还决定于内化成本。
Wether the coal preparation process is ration played a great action to improve the run result and reduce production cost.
选煤工艺设计的合理与否对提高选煤厂的运行效果，降低生产成本起着至关重要的作用。
The Shenhua coal superiority is expounded such as resources, coal quality, production, output, production cost, and usage and economy feature in combustion use.
从神华煤的资源、煤质、生产、产量、成本、用途、燃用的经济性和神华煤的生产运销体系等方面阐述了神华煤的优势。
Meanwhile, coke quality of tamping coke oven can satisfy the need of BF. production, the production cost of fitting coal is reduced.
捣固焦炉生产焦炭质量符合高炉生产要求，并降低了配合煤的生产成本。
Burning faulty coal is tried out in a fixed-bed gasifier, to solve the problems of high coal price and production cost.
固定层煤气发生炉试烧劣质煤，以解决煤价高、生产成本大的问题。
Due to the tight supply of raw material coal and the rise in its price, the production cost of ammonia has increased by a big margin.
由于原料煤供应紧张及价格上涨，造成合成氨生产成本大幅度上升。
Since the adoption of the new technology for gasification of formed coal, this company has reduced its production cost considerably, raised its overall level and obtained remarkable economic benefit.
公司采用气化型煤新技术后，大幅度降低了生产成本，提高了整体水平， 经济效益显著。
In the production function, the paper derived China's actual trend of the marginal cost function under the assumption that there is adequate supply of labor in the coal industry.
在生产函数的基础上，本文推导出在劳动要素充分供给的假设下，我国实际煤炭产业边际成本函数的变化趋势。
When coal tar is used or replaces heavy oil as fuel some critical notes must be focused on its application so as to insure glass quality and reduce production cost.
煤焦油替代重油在切换和使用过程中，抓好几个关键点，确保玻璃质量，降低生产成本。
Steel rope is a hauling component in conveying mechanism in coal mines. Its service life directly relates to production cost and safety in coal mines.
钢丝绳在煤矿输送机构中作为牵引构件，其使用寿命直接影响到煤矿生产的成本及安全。
The experimental results are satisfactory, with full utilization of the coal dust and a reduction in the production cost of ammonia.
试烧结果令人满意，充分利用了煤末，降低了合成氨生产成本。
At present coal province has been formed to promote the inner motive power of coal prices, coal enterprise is to increase the cost of production and management burden.
目前产煤省已经形成了促进煤炭涨价的内在动力，煤炭企业则进一步加大了生产成本和经营负担。
The using of fine coal in reason can improve the complex utilization ratio of nature resources, and reduce effectively the production cost.
合理利用粉煤可提高资源综合利用率，有效降低生产成本。
Using GDT14/2.5G vibro_assisted jig replace selecting coal by hands can lift the rate of discharging refuse, improve separation, conditions, reduce production cost and increase the economic benefit.
以GDT1 4 /2 5G型动筛跳汰机代替人工手选，提高了排矸率，改善了分选条件，降低了生产成本，增加了经济效益。
Direct coal-burning, quantity of heat, high output, and reduce the production cost.
直接燃煤，热量大、产量高，降低生产成本。
The circulating fluid bed technology is used to gasify cheap pulverized coal, and by rational organization of the process flow the production cost of urea can be decreased.
利用循环流化床技术气化廉价的粉煤，通过合理组织流程，可降低尿素生产成本。
Vaporization experiment proves that the coal gas quality is meet the needs of production. Coal consumption dose not increase and the composite cost reduces by 40%.
经气化试验和采取适当措施后，煤气质量符合要求，煤耗也没有增加，综合成本降低40%。
Article 11 coal enterprises having obtained the coal production license shall pay the agency for issue and administration of coal production licenses the cost of making the license.
第十一条取得煤炭生产许可证的煤矿企业，应当向煤炭生产许可证的颁发管理机关缴纳许可证工本费。
Cavitation completion can not only increase the open area of coal seams, but also improve gas production per unit well and decrease the cost of development.
煤层气井洞穴完井能有效扩大煤层裸眼面积，增加煤层气产量和降低开采成本。
At present, the coal production was deep operation in Pingxiang coal Industry Group co., so the safety production condition is difficult day by day, the production cost is increased and economic...
结合萍矿集团公司矿井普遍进入深部开采，安全生产条件日趋困难，生产成本居高不下，经济效益普遍低下的状况，开展煤炭地下气化项目有其重要的现实意义。
The utility model discloses a coal mine deformation-resistant air door, which has long service life and can reduce the production cost of enterprises.
本实用新型公开了一种延长使用寿命，降低企业生产成本的煤矿耐变形风门。
The utility model discloses a coal mine deformation-resistant air door, which has long service life and can reduce the production cost of enterprises.
本实用新型公开了一种延长使用寿命，降低企业生产成本的煤矿耐变形风门。
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