coal mining

Rock burst is one of the severest natural calamities in coal mining; and its energy variation regular is always studied emphatically.

There is often dust pollution in environments of coal mining, cement production, flour processing and pharmaceutical factory etc.

Canaries are said to have been used to detect gas in coal mines in the early stages of coal mining.

State officials said the mine was a long-wall mining operation, which is one of three major underground coal-mining methods.

Growing up in the rural coal-mining community of Northern Shanxi province, Wang Gang knew just how tough and risky a miner's life can be.

Coal mining has always been a dangerous occupation .

Under normal circumstances, at the end of pre-mining, coal mining operations prior to the start of contents of at least solid particles.

Dozens were still trapped in the mine on Sunday evening in the deadliest coal-mining accident in the country in more than a year.

III. Reasons for the British coal mining is called a "sick" industry today.

The identification of the coal and rock interface would be one of the keys to have an unmanned coal mining.

Along the direction of the coal mining face length, the loading distribution of the powered support would present tow parabolic laws.

Sinking like a rock with a heart of coal-mining like a rock without a soul Please note, don't underestimateCause I'm a cruel motherfucker!

Scrapping farm-price support and protection for coal-mining offers a two-fold bonus: a cleaner environment and a more efficient economy.

Newcastle played a major role during the 19th-century Industrial Revolution, and was a leading centre for coal mining and manufacturing.

The scraper conveyer is the only transport vehicle in coal mining, sometimes is also used in the transportation of down trough.

In addition, fossil fuels, especially coal mining produce a large amount of solid wastes that damage to the ecological environment.

As the main coal producing areas, land reclamation of coal mining areas in Laiwu city is still in primary step.

And the cement sector, the coal mining sector and the machine tool sector are listed as the bottom three.

The aquifer structure's destruction due to the coal mining was the main reason for the first problem.

Coal roof stability is one of the important geological factors influencing the coal mining.

Coal mining enterprises which have legally obtained coal production licenses shall have the right to sell the coal they themselves produce.

But the price spikes have lit a " For Sale " sign atop the coal mining sector , and a range of assets could change hands this year .

In the end, it gives some productive advice to the prevention of the exterior fire during coal mining and a successful ignition to UCG.

The seam thickness change is one of the main factors effected on coal mining.

Witness the long-standing protection of coal mining by virtually all West Virginia politicians.

Born into a poor working-class family in Donetsk, a coal-mining centre, he lost his parents early.

During the meeting, participants also were to Longkou Mining Group North soap such as coal mining face in carrying out site visits.

Coal seam gas is commonly referred to as the gas, the coal mining is a kind of disaster gas.

However, the coal-mining communications are still so outdated that only wire telephone can be used far from the working place.

China relies on coal for about 80% of its electricity, but coal mining is fragmented among thousands of companies.

In Xuzhou Coal Mining Area the groundwater hazard is serious due to the larger mining depth and complicated hydrogeological conditions.

The coal mining administrations are State-owned coal mining enterprises each with the status of an independent legal entity.

After the coal mining operation completed, the overburden strata would form a regenerated roof with certain water isolated capacity.

A coal mining face would be required to have a face adjusted mining during the coal production process.

We heard about all the young people who were moving to the big cities because manufacturing and coal-mining jobs were disappearing.

The subsidence area caused by coal mining is an important point, which should be settled by the land recultivation .

The administration of report of occupational hazards at work places of coal mining enterprises shall be provided separately.

The model was used in supervised safety information system in Huaibei Coal Mining Group, and achieved remarkable result.

the resistivity method back calculation technology analyses coal mining process Central resistivity change condition.

Invest in Pakistan's infrastructure, particularly energy based projects (coal mining) and encouragement of Pakistani businesses.

The air-lift in vertical pipes is frequently encountered in deep-sea mining, hydraulic coal-mining and river sludge removing.

Air leakage from coal mining face to gob has great influence on gas distribution and emission as well as spontaneous combustion in waste.

Coal mining enterprises shall strengthen and improve their operation and management and increase their productivity and economic results.

Coal mining exists badly negative exteriority, it has restricted seriously the sustainable development of coal and diggings .

Mr Beshear directed Kentucky to join a lawsuit against the Environmental Protection Agency over its coal-mining regulations.

So, It is the basic and premises for a coal mining corporation work safety to improve the region team safety quality standard. . .

Coal mine accident seriously threaten the safety and health of the employees and bring great property loss for coal mining enterprises.

Heilongjiang, northeast coal mining equipment leasing company, general manager of Wang Jianhua, a congratulatory speech on behalf of guests.

the technology of coal mining, processing and conversion are slow, and the technology of security is not in place.

The island was owned by Mitsubishi, and the town grew and flourished on the success of its coal mining, just like Takashima.

The tobacco-growing, coal-mining former mainstay of the Confederacy lives on only in the state's southern and western reaches.

Wennan colliery of Xinwen Coal Mining Group is an old coalmine and is mining deep coal layer.

Loaders is the transportation machinery which is widely used in highway, railway, coal, mining, national defense and urban construction.

"Coal mining is the broad-shouldered Atlas of West Virginia's economy, " said Jason Bostic of the West Virginia Coal Association.

A dozen are queuing to load coal from the Hunter Valley, one of Australia's biggest coal-mining regions.

Predictive evaluation on the ground- caved in with coal-mining is the core for the dangerous evaluation of geologic hazard in coal-mining.

CHRISTOPHER CRUISE: She was named Patsy Louise Neal when she was born in nineteen twenty-six in Packard, Kentucky, a coal-mining camp.

All equipment, facilities, explosives and safety instruments used by coal mining enterprises must meet the national or trade standards.

Surface subsidence and the discharge of refuse, wastewater and waste gas constitute the main impact of coal mining on the environment.

With the improvement of coal mining mechanization degree and geological conditions change, coal quality have worsen trend.

Coal mining under building, railway and water needs to both ensure safety in production, and recover underground resources reasonably.

Coal mining industry is the largest one of heavily dangerous industries.

It is quite important meaning that landscape pattern and changes research using remote sensing data in coal mining area.

This exhibition is a grand event for China's coal mining industry, equipment procurement and technical exchanges of safe production.

Coal mining enterprises must provide accidental injury insurance for miners working underground and pay premiums.

The results are of practical value to such economical departments as foreign trade, coal mining, shipping and ship building.

The result shows that the investigation of coal mining collapse area with remote sensing technology is a quick and efficient method.

Market analysis and economic profit forecast: The project product is the kernel device of coal mining machine with great market demand.

Hydraulic support is the key equipment of mechanized coal mining. The double-telescopic prop is the key component of hydraulic support.

Strip -partial mining has an abroad application as an important method of coal mining under buildings.

Underground coal gasification (UCG) is the main direction of coal mining and utilization in the future.

On coal mining, especially in resource-exhausted reserves of tapping the potential of mine has a certain significance.

Coal mining enterprises must provide the workers with the necessary articles to guarantee safety in production.

The policies of the Green Party include the phasing out all coal mining and all coal-fired electricity power stations.

The law of deformation and the breakage of coal floor vary with coal mining are discussed.

During the coal mining in the boundary and island area of Shuoli Mine, the strata behavior of the coal mining face gateway were obvious.

Hydraulic coal mining offers the merits of being simple in process, high in adaptability, less in labor intensity and easy in management.

After entering the soft coal mining, mining conditions have changed fully mechanized caving face in tandem with changes in the layout.

Study on the history of coal mining here has significance on the research of the history of coal mining in Henan province.

Ground subsidence due to coal mining gives rise to destruction of ecological environment.

Coal mining enterprises may not transfer or lease to another person the coal production licenses they have legally obtained.

In the early days of underground coal mining, pit canaries often had short but valuable lives.

The technical transformation necessity, content and effect analysis in coal preparation plant, Fangezhuang Coal Mining Industry Branch Co.

Coal mining to iron and steel industry provides a wealth of energy, rail has become a major consumer of iron.

The third-largest employment sector by number of workers is education, followed by machinery manufacturing, textiles and coal mining.

Xintan has historic landslide records. The overload of rocks from coal mining and former collapses led to the slide.

Coal mining enterprises and coal trading enterprises may not adulterate coal and sell inferior coal as quality coal.

More than half of Appalachian coal mining is done by the wrenching mountaintop removal method.

The application of fast and high efficiency operating pressure filter in Huainan Coal Mining Group Corporation Ltd.

Nor is that the only cost of coal. There is also the huge number of deaths from coal-mining accidents.

Exact forecast of mining subsidence is significant for coal mining under buildings, water-bodies and railways.

It proved that the new sealing and filling material can filling vacuum quickly and can meet the demand of coal mining.

This coal-mining town, north of the Arctic Circle, was founded as a labor camp.

These urban areas are heavily industrialized, with coal-mining, iron, steel, ship-building and textiles.

It staggered into the recession loaded with a $9. 8 billion debt taken on to buy the assets of a coal-mining company.

These include coal mining, quarrying , oil drilling, and the injection of wastewater into the ground.

The lack of safety investment results in frequent accidents and a big negative impact on coal mining.

Coal mining subsidence could bring some harm and destruction on the geomorphology and eco-environment.

If can realize the mine water, can reuse exploitation of water resources, alleviate, coal mining enterprise supply pressure.

Customers and coal trading enterprises in coal marketing areas shall have the right to buy coal directly from coal mining enterprises.

The Raspadskaya mine is in Kemerovo, a coal mining region in western Siberia.

This method applies equally when the normal rotating coal mining method is applicable, it is a more economical way.

Coal mining is a messy business, often wreaking terrible environmental damage nearby.

Each features vibrant color and spectacular images of miners that honor the region's rich coal mining territory.

He stressed any illegalities especially in major industries such as coal mining, construction and fireworks production must be eliminated.

The region is almost entirely dependant for jobs on coal mining, which has suffered severely from the recession.

The research plays a positive role in the prevention and control of groundwater problems in coal mining process.

A city of southwest Illinois southeast of East St. Louis. It is in a coal-mining region and has diverse industries. Population, 42, 785.

The opposition is about coal's air and water pollution and the devastating practice of mountaintop removal coal mining.

The feasibility of pressing coal mining condition under shantou river and railway is expounded.

For many years, large areas of subsided land caused by coal mining under ground and large waste tips destroyed the land resource seriously.

Heavy metals from coal mining have contaminated much of the area's waters.

A municipal borough of central England north of Nottingham. It is an industrial center in a coal-mining region. Population, 99, 900.

A coal mining in thin seam is an inevitable issue of coal mining in many coal mines.

Chairman of Hidili Industry International Development, a coke and raw coal mining company.

From airlines to coal mining to dairy products, government policies are expanding the state's role.

The lagging water-inrush near mine fault belt is the main type of water damage threatening the deep coal mining.

Mountaintop removal: Aerial of mountaintop removal coal mining site in West Virginia.

Therefore, will have brought forward higher request to coal mining machine navar.

Technology on retaining roadway on original site in goaf after coal mining face crossing rise is put forward.

August 27, the Communist Youth League innovation by enterprises in Shandong Province Forestry in Yanzhou Coal Mining Group meeting.

The coal gangue is waste material that produced in coal mining. It occupied a great lot of farmlands.

As one of the coal mining wastes, coal gangue is the largest amount of emissivity in China mining districts.

Automobile fore axles; coupler yoke; L-A type combined brake beam; scrapers for coal mining machines.

Article 30 Coal mining enterprises shall exercise strict supervision, inspection and control of coal product quality.

Offer to your Coal Mining Companies of Surplus Coal Processing Plants!

A host of government conglomerates have snapped up coal mining companies in Shanxi Province.

Huainan is a typical coal-mining city, and an important energy industry base in east of China.

The coal-mining heartland of Shanxi province had the biggest problem.

Predict the coal mining roof's press is an important problem in rock engineer.

The technology applied to 38011 working face of Yiluo Coal Mining Comp. has made great economic and social efficiency.

Howarth's research is incomplete and has been criticized because at first he failed to figure in methane emissions from coal mining.

warms oneself to mine coal mining or factory and family strengthen management, drafty .

Therefore, to define the stress distribution and variation of coal mining face is critical.

The utility model belongs to coal mining machinery, which is used for cutting devices of coal mining machines.

Agriculture, textiles, coal mining and heavy industry are all doing badly.

Article 40 Coal mining enterprises shall conduct education and training in safety in production among their employees.

It analyzed mining method and craft technique, to scientist to choose coal mining method.

Indonesia's palm-oil, pulp-and-paper and coal-mining industries are trying furiously to scupper it.

The result showed that Geo-Information-Tupu has theoretic novelty and practical feasibility in entironment analysis of coal mining area.

The research production have same guide value for coal mining at similar conditions.

Generally, underground coal mining starts from one side (dip most) and ends at the other side of the property.

During the gas drainage test in No. 12 Mine of Pingdingshan Coal Mining Group, good gas prevention. . .

bit, use in geological exploration and coal mining on soft rock layer and medium-hard rock layer.

The advance support of intake and return air course needs a lot of plate girders in the comprehensive mechanized coal mining face.

As the coal mining mechanization General improvement of hydraulic support the development of faster development is particularly important.

Will coal mining mishaps never happen after closing down every small private pits?

National revenue department has been lacking of effective management on coal-mining industry for a long time.

The research results may offer some advices for Tashan coal mine and the whole silicified coal mining.

It's been vowing to wipe out smaller, less-efficient production in coal mining, steel making, and other sectors for years.

The severe flooding is affecting coal mining in central Queensland.

There are many more common people than there are miners in the mining areas; the coal- mining population must be a huge figure in China.

In order to save energy and reduce consumption, Xin'an Coal Mining changes production technology of high voltage main fan machine.

It's very important for coal mining to find out small geological structure in coal bearing formation.

The utilization of CMM drained in coal mining is quite difficult because it contains plenty of air.

The Henan accident is just the latest to hit China's extensive coal mining sector.

And things should improve as coal-mining companies merge and mines expand.

It has an important guiding significance for the future coal mining.

The study was conducted in a typical coal mining industrial area Honggu coal mining area in Lanzhou, Loess Plateau.

On Measuring Method of Heating-charge in Datong Coal Mining Corporation Ltd.

Equity investment in coal mining in areas in Xin Jiang with long term stability.

In the process of coal mining, people used to pay attention to the coal production only, and overlook enviromental protection.

A city of southeast Iowa southeast of Des Moines. It is a commercial center in a farming and coal - mining area. Population, 24, 488.

Two days later we arrived in Datong, the coal-mining capital of Northern China.

Taiyuan is the capital of China's Shanxi province and the center of China's coal-mining industry.

Coming from a small, conservative coal mining town and having a very limited view of the world, I did what many other young people did.

the tax could encourage them to capture methane, a carbon gas emitted in coal-mining.

Both unstable failure of coal contained gas and the coal and gas outburst are key problems in the process of coal mining.

It is not that China's top rulers are ambivalent about coal mining deaths.

A city of northern Missouri northwest of Hannibal. It is a manufacturing center in a coal-mining area. Population, 17, 152.

In coal mining industry, it is important to ascertain the conductance coefficient in the calculation of cable section.

3-D seismic prospect is a physical geography prospect technology selected in coal mining.

Power producers and coal mining companies should sign all contract supply agreements within 25 days, according to the NDRC statement.

Coal mining companies recruited many Italians to work in the deep mines of West Virginia; others found work on railroads and farms.

Park Avenue, as it's called, is on the wrong side of the tracks in this little-known coal-mining burg of 4, 500 souls.

There have been some problems such as low coal recovery and difficult management after coal mining in steep seam mining method.

Effects of ERP on the Financial Control by Yanzhou Coal Mining Co. Ltd.

Model Research on Sustainable Development of "Green Coal Mining Areas"

PINGDINGSHAN TIANAN COAL MINING CO. , LTD.

For all sorts of different coal mining conditions, we should choose to suitable hydraulic support type adapting to the new environment.

Department of Radiology, Tiefa Coal Mining Group General Hospital, Diaobingshan 112700 China; 3.

Besides helping South Africa's gaping trade deficit, more exports means more coal mining, which should create 3, 500 more jobs.

This is the fundamental source for the supports crushing during coal mining under the unconsolidated confined aquifer in East China.

ra, was used to revitalise Schwanenkirchen, a Bavarian coal mining village, in 1931.

Near Huaibei Coal Mining will organize a series of titles on the assessment.

The conclusion is important to the safety of coal mining production.

The landscape was destroyed by coal mining.

Details of priority reach and study on coal mining subsidence at home and abroad, and make a brief evaluation.

Mine water is unavoidable associated resource in coal mining.

Coal mining causes damage of plenty of land resources. Presently, the coal-mining area in China only has land re-reclamation ratio of 12%.

December 19, 2008, Datong Datong Coal Mining Bureau Hall renamed "mass graves" memorial site.

In view of complexity of coal mining plan management, a management information system of coal mining plan is developed with J2EE platform.

The government is committed to restructuring its coal mining sector, which has been plagued by accidents.

Based on the field data, the stress distribution map on Jincheng coal mining area is drawn up.

A coal mining boom has swept across north China.

The State shall maintain order in production and other work in coal mine areas and protect the facilities of coal mining enterprises.

Based on hydraulic support selection analysis for fully mechanized coal mining in Dalong. . .

It is a complicated problem involving several of subjects such as geology, coal mining, rock hydraulics and rock crack mechanics.

China Coal Beijing Coal Mining.

Another coal mining city in the province of Shaanxi, Yulin, is a key battleground for luxury car makers such as Audi and BMW.

Datong is basically a coal-mining town.

XUZHOU COAL MINING GROUP CO. , LTD.

But during coal mining, often stop production because of gas content in natural coke increase.

Coal mining is a historically dangerous job -- and it is our subject this week.

As a kind of important underground structure, tunnel is very useful at many fields such as the traffic, coal mining and water conservancy.

Jixi Coal Mining Machinery Co.

Statistically, coal mining remains more dangerous than other kinds of mining, but only slightly.

Many of the gold- miners of old turned to coal mining when the gold ran out.

Widely used in products such as coal mining enterprises.

Local authorities in China's coal-mining areas report that mines are already being put back into operation.

China accounts for 70 per cent of global coal mining deaths, according to CLSA, the brokerage.

Zhang had set off this morning from the coal mining area in Inner Mongolia.

This week the Chinese authorities cleared Yanzhou Coal's $3. 3 billion bid for Felix Resources, an Australian coal-mining firm.

In the past 10 years, Jharkhand, more than 350 people have engaged in illegal coal mining industry died.

Coal mining is dying in this area.

Viewers first enter a section with prints documenting coal mining, mostly in China.

Of the 956 workers who died in coal-mining accidents in the U. S. in 1891, for example, more than two-thirds perished in the Keystone State.

The purchase of Australia's Felix Resources Ltd. by Yanzhou Coal Mining Co. could open the door to more acquisitions this year.

The joy flowed freely in China, which has the dubious honor of possessing the world's most lethal coal-mining industry.

Gangue is a kind of by-products of coal mining.

So, is coal mining more dangerous than other kinds of mining?

The situation differs greatly in various coal mining districts, and it is difficult to find a uniform model to solve the problem.

Last year, the basic work of coal mining area has been markedly strengthened, coal, coal forecasts evident result.

Testing study of the surface big room width antideformation house influenced by the coal mining of fully mechanized top-coal caving

On the other hand, the problems related to coal mining and Sugestion on protection of water resources in coal mines area are put forward.

Coal mining remains one of the world's most dangerous trades. In China, more than 4, 700 people died last year in coal mines.

The Influence of Coal Mining on the Surface Water and Groundwater

Study of the Supporting Techniques for the Buttock of the Comprehensive Mechanized Coal Mining Face on the Lower Slice

Theoretical Research on the Caving Property of the Top-coal of the Comprehensive Mechanized Coal Mining Face and Its Application

Study on forming a set of equipment of comprehensive light-duty supports for sublevel caving coal mining and its mining technology

Preliminary Probe into the Law of Overburden Destruction in Fully-mechanized Coal Mining with Caving of Roof Coal in Kangping Coalfield

Study of Designed Method on Change Direction of Fully-mechanized Coal Mining Face Unit

Investigation and study of dynamic growth of reclamation forest planted in coal mining waste field and economic benefits analysis

Analysis on the main factor of the coal mining affecting setting up the appeared coal column

Coal mining by means of intermission with reasonable parameters can prevent water from bursting;

Analysis on stability and stability control technology of high cutting hydraulic powered support used in fully mechanized coal mining

In China, officials say, 2, 442 people were killed in 1, 401 coal mining incidents across the country last year.

Model of Strategic Decision on Exit of a Coal Mining Enterprise and Its Positive Research

Coal Chemical Engineering Developmental Direction of Datong Coal Mining Group Company

Keywords: High water filling, "three under" Village Coal Mining does not pull, high recovery, high pressure water safety mining

Probe into the Soil Environmental Impact of Coal Mining Collapsed Area and Its Prevention and Cure Measures

Study of high-pressure filling into overburden separations after coal mining to reduce subsidence

Research on Development Regularity of Ordovician Limestone Karst and Environmental Hydrogeological Problems in Hancheng Coal Mining Area

Water-Soil Environmental Evolution Induced by Coal Mining and Its Regulating and Controlling Techniques

Comparative Study of Accidents Situation and Analysis Methods Between China and U. S. A Coal Mining Industry

Brief Discussion on Reform Result of Coal Mining Technology in Luling Mine

Study of Prevention Technology of High-Nitrogen and Low-Oxygen Environment in Zaozhuang Coal Mining Area

The Technical Method for Passing through the Large-area Geologic Structure with the Comprehensive Mechanized Coal Mining

Law of Roof-fall Accidents in Working Face in Huainan Coal Mining Area and Its Control

The Mining Practice and Developing Direction of the Thin-seam of Datong Coal-mining Area