The cleaned coal yield before and after ultrasonic treatment, the effect of flotation desulfurization and flotation speed were studied.
笔者对煤泥超声处理前后浮选的精煤产率、浮选脱硫效果、浮选速度等方面进行了试验研究。
The algorithm was applied to estimating the model parameters of coal yield prediction by using its global optimization performance, and a high precision model was founded.
利用遗传算法的全局寻优特点，将它应用于模型参数估计，建立了精度更高的煤炭产量预测模型。
Losing fine cleaned coal is recovered by the study of fine cleaned coal treatment technology in centrifugal liquid, which would improve the cleaned coal yield and enterprise economic benefit.
通过对离心液末精煤处理工艺的研究，回收离心液中损失的末精煤，以提高精煤产率和企业经济效益。
This has made it much easier and cheaper to extract gas from shale, coal and other less permeable geological formations (which yield so-called “tight gas”).
通过这种方法，从叶岩、煤炭以及其他渗透性差的地质构造中提取的天然气，更容易也更便宜。
Coal resources; Mining rights; Convenience yield; Two-factor model.
煤炭资源；采矿权；便利收益；双因素模型。
The varying law of the final volatile yield of 18 different coal types was studied at different heating rates by thermobalance.
采用热天平在不同的升温速率下对18种煤的最终挥发分产量的变化规律进行了研究。
By the use of the Deep-Shaft-Carbonisation also wet biomass and bio-waste can be transformed into coal with a carbon yield of almost 100%.
通过采用深竖井碳化技术，湿生物质和生物废料可以被转化成可以产出将近100%碳的煤。
Calcium oxide in circulating ash is favorable to decrease the yield of tar and increase the yield of gas in partial coal gasification process with the circulating fluidized bed technology.
在以循环床锅炉循环灰为热载体、部分气化产生的半焦为锅炉燃料的煤的部分气化技术中，循环灰中的氧化钙对降低焦油产率、提高煤气产率是有利的。
In this experiment system, the optimum addition of petroleum residual is 20%. Coal conversion and oil yield are increased by 1.5% and 11% respectively.
本次研究石油渣油最佳的添加量为20%，与煤单独处理的结果相比，转化率高1.5%，油产率高11%。
Residue has higher conversion, tar, gas volume yield and less water yield than parent coal.
残渣与父本煤相比有更高的转化率、焦油收率和热解气体积收率，而热解水收率较低。
Through adding various kinds of used plastics in different proportions into coal for coking, the variation on coke nature and yield of coking products obtained is studied.
通过在炼焦煤中添加不同种类、不同比例的废塑料，研究了所得焦炭的性质和焦化产品产率的变化。
The result indicated that it can enhance the yield of cleaned coal, increase the slime water clarity, accelerate rate and reduce moisture content in press cake by adding PAM.
结果表明，添加聚丙烯酰胺可以明显提高精煤产率、尾煤灰分，亦可以提高煤泥水澄清度，显著加快过滤速度，降低滤饼水分。
The emission characteristic of chlorine as well as the yield of coke during the process of WP and coal co-pyrolysis was studied.
研究了煤与废塑料共热解过程中氯的释放特性以及不同热解条件下焦炭的产率。
Main product yield especially the scale of the big carrying capacity an industry of coal, steel... etc. will ascend a few step, the amount of freight transportation will further increase.
主要产品产量特别是煤炭、钢铁等大运量型产业的规模将上几个台阶，货运量将会进一步增长。
The reckoning diagram of coke yield for domestic coal resource is obtained on basis of first-hand date of thermal test and analysis fo r20 coke ovens by almost ten years' work.
在国内20座焦炉热工测试原始数据的基础上，经整理、归纳、分析，并采用二种方法，即线性回归法和程序回归分析法，首次获得了适合我国煤源的成焦率测算图。
The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.
云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积，地层中产有丰富的鱼类、植物和双壳类化石；
It's the same to coal mining enterprises, the safe operation, high yield and consistent production must base on the upgrading of the mining equipment and technology.
同样对于煤炭生产企业，煤矿要实现安全生产、高产、稳产，必须利用自动化技术升级现有煤炭生产装备和技术。
The experimental results show: delayed coking for coal tar can obtain higher fuel oil yield, lower wax oil yield and better products distribution.
实验结果表明：煤焦油延迟焦化可以得到较高的燃料油产率，较低的蜡油产率和较好的产品分布。
Marks of coal petrology, parameters of organic geochemistry and yield-oil of thermal simulated experiment are provided evidence for availability of"FMT"evaluation method.
煤岩学标志、有机地球化学参数和热模拟实验产烃率数据为FMT 值定量评价煤生烃排烃潜力的适用性和有效性提供了佐证。
To educate men so that this piece of coal may become a diamond and this fruitless tree may be engrafted and yield the sweetest most delicious fruits.
教育人使煤炭变成钻石。对不结果的树进行嫁接，结出甘甜的果实。
The influence of the KOH to coal in yield, power and radiation time of microwave were studied. Its charge-discharge performance of the coal based AC EDLC was studied.
研究了KOH与煤比例、微波功率和辐射时间对活性炭比电容量的影响，并考察了煤基活性炭双电层电容器的充放电特性。
The method can fully transfer heavy oil, maintains high coal slurry concentration and improve the yield of motor fuel with good quality.
利用本发明的方法，可以充分转化重油并保持较高的煤浆浓度，提高优质发动机燃料的产率。
Tar yield increases with the increase of volatile matter yield of brown coal in different ages.
焦油产率系随着不同时代褐煤挥发分产率的增多而增加。
The paper introduces the reasons, course and design principle of development of the serpentine belt conveyor, and analyzes its popularization and economic yield in the Xinjiang Coal-Coke Group.
介绍了蛇形带式输送机研制的原因、过程和设计原理，以及在新缰焦煤集团内推广使用的一些情况和经济效益分析。
It is one of challenges in the mining production to recover these coal pillars in order to increase the yield.
如何安全回收采区上下山孤岛煤柱，提高矿井资源采出量，是矿井生产中遇到的难题之一。
The homemade shearer is a main implement equipment of mine of high yield and efficiency in working face of production coal.
采煤机是综采工作面生产原煤和实现高产高效矿井的主要设备。
According to present situation about the ability of yield and richness of coal storage, our mining district will be equipped with higher power facilities within working area.
根据矿井生产能力和煤层赋存状况，采用工作面装备大功率设备，实现矿井高产高效。
Mine water disaster is one of the main factors which affects and threatens the safety and high-activity yield of coal mine in China.
矿井水害是影响和威胁中国煤矿安全、高效生产的主要因素之一。
Mine water disaster is one of the main factors which affects and threatens the safety and high-activity yield of coal mine in China.
矿井水害是影响和威胁中国煤矿安全、高效生产的主要因素之一。
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