1974-1977 Studied in the Coal Extraction Section of Shanxi College of Mining & Technology
1974-1977山西矿业学院采煤专业学习
Other industries, such as coal extraction, have incomparably higher death tolls and many more accidents.
其他的工业，像是采煤产业，有着极其高的伤亡数量和更多的事故。
The stability of seam roof is one of the most important case that influences the safety of coal extraction.
煤层顶板的稳定性是影响煤层回采工作安全最重要因素之一。
The stability of seam roof is one of the most important factors that influences the safety of coal extraction.
煤层顶板的稳定性是影响煤层回采工作安全最重要因素之一。
Secondly, he worked with the villagers to ensure they would get money from the coal extraction and be allowed to burn coal instead of firewood.
其次，他向村民们保证，他们不仅能从采煤生意中赚到钱，而且还被允许烧煤，而不用继续使用木柴。
The gateway with bolt-net-anchor coupling support can meet the requirements of the stability control during gateway excavation and coal extraction.
同时，实施锚网索耦合支护的深部回采巷道能够满足巷道掘进与工作面回采期间的稳定性控制要求。
We have analysed the geological hydrology state of Lingquan open-pit coal mine, and proposed the coal extraction scheme of this mine F4 shear-zone coal wall.
分析了灵泉露天煤矿地质水文状况，提出了该矿f 4断层带煤壁回采方案。
In the meantime, the inevitable relationship between the fault motion and the out-of-balance of the crust stress caused by underground coal extraction is analyzed.
同时，本文亦分析了断层活动与地下采煤造成地壳应力失衡的必然联系。
The Carboniferous limestone system are thin layers of limestone. Those which influence coal extraction are mainly single layers of limestone over 4m thick at the bottom of Taiyuan system.
石炭系灰岩为薄层灰岩，对煤层开采有影响的灰岩主要是太原统底部单层厚度超过4米的灰岩层。
The coal extraction rate could be increased with the suitable selected solvent, the increased extraction temperature, the acid pre-treatment before the thermal extraction and other method.
选择合适溶剂、提高萃取温度、热萃取前加酸预处理等方法均可提高煤的萃取率。
Coal and oil have more in common than a tendency to produce explosions when mistakes are made in the extraction process.
煤和石油都一样，在提取过程中出错，更具有发生爆炸的危险性。
Though more research into the damage shale-gas extraction may do to the environment is needed, there is no doubt that the extraction of coal already harms the environment a lot.
尽管需要对提取破环的页岩气做更多的研究，对环境同样有破坏作用，煤的开采无疑已对环境造成了伤害。
This technique enables extraction of fuel from small, difficult-to-access coal seams, and could double the world's current coal reserves.
这项技术可以从窄而难以进入的煤层中提取燃煤，并可能使目前世界上的煤炭储量增加一倍。
Coal is indeed a cheap source of energy, but its extraction is extremely costly to the environment.
煤炭其实是一种成本低廉的能源，但对它的采挖却耗资巨大。
There are many lands which have been made very dirty through war and conflict, through vice and depravity and through extraction of and pollution through oil, gas, coal, and other 'raw materials'.
有许多土地已经由于战争和冲突，恶性和堕落，石油天然气煤矿以及其它原生能源的大量攫取和污染，变得非常脏污。
This paper introduces manual distill natural gas by coal gasification in the methanol extraction of artificial, and Siemens PCS7 DCS and SIS system application in this project.
本文概括的介绍了甲醇吹除气人工提取煤基天然气的工艺过程，以及西门子PCS7DCS和SIS系统在本项目中的应用。
The investigation and industrial application on direct extraction of uranium from coal ash by trinity amine are introduce.
介绍了用三脂肪胺从煤灰酸浸矿浆中直接萃取铀的试验与工厂应用结果。
Halogenide anions can associate strongly with coal molecules by acid -base interactions, and destruct the associative structure of coal enhancing the extraction yields of coal in organic solvents.
卤素阴离子能够同煤分子通过酸碱作用而强烈缔合，从而破坏了煤分子的缔合结构，提高了煤在有机溶剂中的抽提率。
So it become the key link solving the gas extraction in low-permeability coal beds to insure in coal mine security and enhance production efficiency.
因此，解决低渗透煤层的瓦斯抽放已成为确保煤矿安全生产，提高煤矿生产效率的关键环节。
It is considered that the gas pre-extraction measure in coal bed is one of the most effective methods to prevent the gas disaster.
目前，本煤层瓦斯预抽放措施仍然被认为是预防瓦斯灾害最有效的方法之一。
The fractional extraction on Longkou lignite by different solvent was used for the studying of the occurrence modes and the variations of small molecular phases in coal.
研究煤萃取后的小分子相的赋存方式及其变化规律，用不同溶剂对龙口褐煤进行了分级萃取。
Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
因此，可以利用岩层控制理论指导瓦斯抽采和预防煤与瓦斯突出的发生。
Finally, problems we should pay attention to and the developing way of simultaneous extraction of coal and gas are pointed out.
最后指出了煤与瓦斯共采应注意的问题以及今后的研究方向。
Infection zones of coal mining are favorable place to coalbed methane recovery in ground or gas extraction in underground.
煤矿采动影响区是地面煤层气开发或井下瓦斯抽放的有利部位。
This paper deals with petrographic characteristics and coal qualities of Jiaoping coal by means of coal petrologic, instrumental analytical and organic solution extraction methods, and so on.
基于煤岩分析、仪器分析及有机溶剂抽提等方法，对焦坪煤进行了系统的煤岩、煤质研究。
The effect of four factors, reaction time, solvent-to-solid ratio, acid-to-coal ratio and the water content in extraction mixture, were studied on the extraction rate of acetone-sulfuric acid method.
研究反应时间、液固比、酸煤比、提取液含水量四个因素对硫酸丙酮法提取效果的影响。
Gas disasters seriously influence the coal production safety in China coal mines. Gas extraction is the basic way to prevent gas disasters.
瓦斯灾害严重影响我国煤矿生产的安全，瓦斯抽放是防止瓦斯灾害事故的根本途径。
The co-extraction technology of coal and CMM under the complicated and difficult geological conditions in Huainan Coal Mining Area is presented.
根据淮南矿区实际，提出并研究了复杂特困条件下煤与煤层气共采技术。
PAM is the most widely used organic macromolecule, has been widely used in oil extraction, water treatment, refine sugar and coal washing, processing, paper and other industrial sectors.
PAM是目前应用最为广泛的水溶性有机高分子，已广泛应用于采油、水处理、制糖、洗煤、选矿、造纸等工业部门。
PAM is the most widely used organic macromolecule, has been widely used in oil extraction, water treatment, refine sugar and coal washing, processing, paper and other industrial sectors.
PAM是目前应用最为广泛的水溶性有机高分子，已广泛应用于采油、水处理、制糖、洗煤、选矿、造纸等工业部门。
应用推荐