coal-mines

The overburden in the mining influencing zone is often composed of red strata and coal beds in many coal mines.

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

As canaries in coal mines go, mining shares tend to be reliable harbingers of a sell-off in industrial commodities in a downturn.

Lumps of coal can be barely ignited. However, coal dust in coal mines is one of the causes of explosive combustion. Explain.

And of course, coal mines are very dangerous places, because in some of these coal mines, you get gas.

There used to be a lot of coal mines in the south, but many of them have been closed , or are about to be closed.

Currently the monitoring of dust concentration in coal mines is of considerable importance in terms of safety and productivity.

The order came that all the small coal mines(should)be closed in half a year.

Objective To understand the status of dust hazard in the new large coal mines and provide the basis for the prevention of pneumoconiosis.

It would be best if new energy sources could be exploited, and replace coal mines with cheaper, safer, less polluting energy sources.

To utilize mine gas as fuel for electricity generation is one of the mine gas exploitation projects with great future in gassy coal mines.

Born in Wales to a father who worked in the coal mines and a mother who was a psychiatric nurse, Ms.

The private coal mines in Shanxi have attracted attention because their closure seems to chime with a broader trend over the last year.

Acid mine drainage (AMD) is one of the largest environmental hazards in regions where abandoned coal mines are located.

This prompted the authorities to intensify efforts on cracking down on small and illegally operated coal mines this year.

In construction of coal mines the principle of protecting the cultivated land and utilizing the land rationally shall be adhered to.

Scholz was brought to one of the camps near the coal mines in the Siberian town of Vorkuta.

Wang returned to his hometown, Huairen, a county dotted with dozens of coal mines like countless others in the coal-rich province.

Xstrata, one of the world's biggest mining firms, was born out of the initial public offering (IPO) of Glencore's coal mines in 2002.

Finally, the simulation results of a security supervising data set in coal mines validate the efficiency of the algorithm.

In all, the treaty took away a third of Russia's population, half of her industry and nine-tenths of her coal mines.

Accurate prediction of gas emission is of great practical significance in guiding mine design and ensuring work safety in coal mines.

So friction spark is one of the potential ignition source which causes gas explosions in coal mines.

David attended the meetings of Parliament regularly and made speeches on the miserable conditions in the coal mines and factories.

Coal and gas outburst is one of the major disaster accidents in coal mines, which is a serious threat to the coal mine production safety.

As the big power plants, factories and coal mines raise their environmental standards, the small ones are meant to shut down altogether.

Owners of coal mines and their clients are, therefore, strongly opposed to any tax on carbon.

Strengthening the safety warning function and improving safety management are the guarantees for coal mines safety production.

Their accounts had been frozen, he added. The city has ordered all its coal mines to suspend operation for checkups .

Thisprotector is compact, small and cheap and is an ideal safety apparatus for the power sup-ply network of local small coal mines.

West of Australia's Great Dividing Range, a cluster of giant black gashes marks one of the country's biggest coal mines.

Disasters in two Chinese coal mines this weekend left at least 36 workers dead, with 35 missing, according to local media reports.

The biggest push concerns small coal mines, in which thousands of workers perish every year.

It has important theoretical application for the reclamation and safe mining in shallow resources of similar coal mines.

The problems of disposal of fly ash, mine subsidence, and acid mine drainage can be reduced by placing the ash in abandoned coal mines.

Last Friday 181 miners were trapped in two separate coal mines in Shandong due to flooding. Rescue efforts are going on.

Enterprises are encouraged to purchase accidental injury insurance for the miners working in underground coal mines and pay the premium.

The peculiarity of machinery in coal mines to a great degree results in the frequency of failures.

As the son of a miner, the coal mines that are deeply buried in my soul have become dark, black memories that can never be erased.

Tests of microscopic characteristics and seepage properties were done respectively, using different coals from the typical coal mines.

The ineffectiveness of closing and rectifying small coal mines policy implementation result in the plight of policies implementation.

Yulin boasts one of world's largest coal mines and is rich in natural gas.

Fast Alcohol Detector (Two Channels): Non-contact detection, fast, clear, convenient, and best for large population moving in coal mines.

Rescue crews are waiting outside one of New Zealand's largest coal mines.

But when recovered from landfills, coal mines, or animal feeding operations, methane can become a clean-burning fuel.

As coal enterprises are highly dangerous, talents can ensure safe production of coal mines. Without talents, nor can safety be guaranteed.

To be responsible for the rectification and closure of coal mines.

Mine gas explosion is one kind of important disasters in coal mines and can cause great economic loss and human death and in-juries.

To guide and supervise local coal sector administration departments in the verification of production capacities of coal mines.

RHETT: They've got factories, shipyards, coal mines. . . and a fleet to bottle up our harbours and starve us to death.

As the son of a miner, those coal mines in my deep heart are my forever black memories.

The utility model relates to a tramcar wheel shaft, particularly a wheel shaft which is suitable for transporting vehicles under coal mines.

It was the latest mining accident for China, which has the world's deadliest coal mines.

The establishment of intrinsic safety system for coal mines is dis-cussed by Man-Machine-Environment system engineering theory.

This year's celebrations coincided with Indian companies winning contracts to build airports, shipyards and coal-mines across Indonesia.

Severe flooding earlier in the year has curtailed production at a raft of Queensland coal mines.

The alleviation and prevention of the natural disaster caused by outbursts in coal mines are of great significance.

Oil refineries, coal mines, chemical plants and oil and gas wells were ordered to suspend activities to check for potential damage.

Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining.

During detection of water-accumulating gob in coal mines by TEM, different operation parameters should be selected.

On the right side of the image are three enormous opencast coal mines (bright white and dark blue patterns).

Kiu Hung is a toy manufacturer and investment company which recently diversified by buying coal mines in Inner Mongolia.

At present, the integration of coal resources and mergers and restructuring of coal mines are undertaking orderly.

The project is aimed at that China coal mines have been mining the deep coal layers and is threatened by high temperature and heat harm.

That means there are a lot of coal mines working overtime to pull the fossilized fuel out of the Earth.

He tried to regularize the management of coal mines.

"We expect small coal mines to start operation now and production to increase, " said Daisy Zhang at BNP Paribas.

Lasting exploit of coal mines will solve these problems, has great social efficient or economical results.

The state-owned coal mines is mainly directed against a particular focus on the exploitation of mining sites.

Canaries were formerly used in coal mines for this reason.

The State shall take special protective measures for miners working in underground coal mines.

COAL mines are ugly, dirty places but beauty is in the eye of the beholder.

Predict changes in gas concentration is safety in coal mines of great significance.

Small coal mines, which use outdated technology, will be replaced with larger coal mines, increasing capacity.

West Virginia alone has had three major mining disasters in the last decade, all caused by explosions in coal mines.

The importance of mine spontaneous combustion and its forecast for safe production in coal mines was described.

During mining of sulfide ores at non-coal mines , there are many spontaneous fire accidents due to ores with rich sulfide.

For now, available reserves owned by state coal mines in the province are quite limited and unevenly distributed.

Canaries no longer in coal mines for a reason.

There used to be a lot of coal mines here, usedn't there?

That has allowed coal mines and shippers to switch to cheaper rail transport from costly trucks for heavy cargos.

Yet coal mines are as much a part of China's civilization as paddy fields.

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

Workers inside one of Jharkhand's illegal coal mines.

The control and prevention of gas hazard is an important issue of safety in coal mines.

Hundreds of small coal mines are being closed down or merged into larger, government-owned businesses.

Coal mines in Donetsk, Ukraine are mainly composed of thin coal seams containing rich methane gas, thus difficult to exploit.

The technique is inspiring new thoughts in the search of replacement for blasting products for coal mines.

Sino View's attractions are seven anthracite coal mines in Guizhou province, southwest China.

This would result in thermal hazard in coal mines. The geotemperatures are closely associated with structures and groundwater.

Unskilled workers in such nonfarm industries as cotton mills and coal mines often came directly from rural villages.

There was a terrible blast in the coal mines.

Conflow supplies high pressure underground equipment for coal mines.

According to the actual circumstance of the coal mine, to select a suitable Fieldbus for coal mines monitoring system.

The design of South Tsui million tons of coal mines with an annual output of 0. 743 fully mechanized top coal caving mining face design.

The owners of the coal mines had formed an association to protect their interests.

Under specific conditions, high marks and sparks could cause gas and dust explosion in coal mines.

It may turn out that biological processes in coal mines have the same process.

The strength weakening controlling mechanism of rock bursts in coal mines was put forward.

In South Africa, acute power shortages have disrupted activities at the country's coal mines.

After the impoundment of Xiaolangdi Reservoir, the water of small coal mines threatened Xin an Coal Mine.

Even if underreported, the official death rate for China's coal mines is astronomically high.

Their Pilbara iron ore mines (BHP and Rio) and coal mines (all) are fantastically profitable.

Predictably, congressmen from states with car factories and coal mines, and not much wind or sunshine, agree.

a mixture of gases (mostly methane) that form in coal mines and become explosive when mixed with air.

Aim at the present production of coal mines, the design of the real-time safety monitoring system is proposed.

Methods The occupational hygienic investigation and dust density monitoring were carried on in 3 large coal mines.

Located in Shanxi, the railway is supposed to focus on coal transportation and it will link the coal mines of the province.

An industry analyst, who asked to remain anonymous due to company policy, said China had already shut 10, 000 coal mines since 2005.

There are many methods for the control of electromagnetic switching systems in coal mines.

Collapse of mined-out area in coal mines is the chief geologic disaster in Shanxi Province.

The earthquake caused the collapse of the coal mines in this district.

Recent months saw the forced nationalization and mergers of hundreds of privately leased or owned coal mines.

In the dusty grey hills of Shanxi province, China's coal heartland, a valley of coal mines is silent.

There are usually accidents in coal mines, which are mainly gas explosion and dust explosion.

He spent several years working in the fields of Jiangxi Province and the coal mines in Henan Province.

Poorly run coal mines are being forced to close, reducing the mining death toll.

Because of being short of effective intendance, the engine in coal mines often brings security accident due to excessive speed.

China has the deadliest coal mines in the world, though death rates are declining after repeated safety crackdowns.

Coal mines are ugly, and their development has a serious effect on animal and plant life .

China is the third biggest investor in Australia and has recently taken control of coal mines in New South Wales and Queensland.

They will not be able to find people to work down coal mines in the future.

The State shall formulate preferential policies to support the development of the coal industry and promote the construction of coal mines.

Article 21 In coal mines, coal exploitation and environmental control shall be sychronized.

The chief coal mines are Kailuan, Datong, Yangquan and Huainan.

China's coal mines certainly kill 2, 000-3, 000 workers a year, and coal-smogged air there and elsewhere kills many more.

Grasp safety production of the coal mines on "five must"

In 2007, authorities rescued more than 500 people from illegal brick kilns and coal mines and promised to eliminate the practice.

Shetlands were first used in England as work animals in coal mines, because they were strong.

Picking clams are their job, just like those brothers who die in the coal mines.

The coal mines and the miners'union became Thatcher's biggest challenge.

The region is pocked with copper, tin and coal mines and rich in natural gas.

Iron ore mines like Tashan have attracted less attention than coal mines because they are usually open cast, so less likely to collapse.

To undertake the related work of gas control of coal mines.

It is emitted by coal mines, landfills, rice paddies and livestock.

Rockbursts in coal mines are dynamic failure in the rock mass around a mine opening or excavation. Its mechanism is very complex.

The State shall protect the sound development of State-owned coal mines.

The inhabitants of the village of Gezhuotou are surrounded by power stations, coal mines and factories.

The tour guide explains history of Taiwan Coal mines.

The local coal mines supply the fuel for power stations.

Many coal mines are careless with worker safety.

Safety lapses continue to plague China's coal mines.

Mined-out area with accumulated water in coal mines is difficult to detect because of its complexity.

September 10, China's coal mines in Beijing Federation of Literary and seventh meeting of the Third Council.

Methane drainage is being performed in 23 gassy coal mines of total major 41 coal producing mines in Poland at present.

Beijing began closing coal mines in 2005 to address a horrific safety record.

In view of complex and changeable background noise in coal mines exploitation, the key question is how to extract the effective AE signal.

To guarantee safety in production and normal production, it is important to prevent the phenomenon of frostbite in coal mines.

In ancient time, the old couple because of poor so go home son of mine coal mines.

Pennsylvania's coal mines took the lives of many in the late 1800s and early 1900s.

Methane is produced mainly by ruminant animals and also it's released from fossil fuel reserves, such as coal mines and gas fields.

The American Wind Energy Association says 85, 000 people work in wind today, about the same number of Americans employed in coal mines.

To the north of the city, most of the 10, 000 miners were rescued from the coal mines.

It can easily construct various virtual coal mines by endowing parameterized models with certain parameters and attributes.

The Government had introduced a new law that was certain to reduce the profits of the coal mines.

But there are coal mines in swing states, so Mr Obama loudly supports it.

Near Newport , there are old coal mines. They make steel there.

At present, most coal mines in China are high gas concentration and caused the accidents occur frequently.

China's coal mines are regarded as the most dangerous in the world.

There are three coal mines in Xin'an Coalfield. The Shanxi group irregular(2-1) coal seam has soft roof, soft coal and soft floor.

The results can provide a good idea to saving energy and emission reduction in China coal mines.

In some illegal coal mines, children under 18 are exploited by mine owners.

Some of these jobs will be instead of jobs at, for example, coal mines or oil drilling companies.

In order to convey the coal by using gravity, most coal mines have upward angle of inclination.

So many small-scale coal mines with many problems still play an important role in China coal industry.

There are many coal mines in the north.

Methane emitted from abandoned coal mines is a kind of greenhouse gas, and it is also a kind of CBM resource.

China has rich natural resourses, such as large numbers of rivers and lakes, coal mines and petroleum.

such as cooking rice with solar energy, digging coal mines, etc.

What this means is that, in the normal course of operations, at least six people are killed in Chinese coal mines every day.

And last year Tata Power, another Indian energy firm, paid $1. 1 billion for stakes in two Indonesian coal mines owned by Bumi Resources.

When the coal mines were working 40 years ago, 120, 000 people lived there.

The discovery of new coal mines will more than increase the coal output of our country.

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

The battle for Australian coal mines comes as China last year became a net importer of thermal and coking coal for the first time.

Shanxi had become a byword for the dark side of China's economic rise after a stream of accidents at coal mines;

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

Probing into a Few Problems Related to Enforcing Law on Safety Supervisory in Coal Mines

Notification of the State Economic and Trade Commission on Further Strengthening the Work of Shutdown and Rectification of Small Coal Mines

Numerical simulation of stress distribution and displacement of rock strata of coal mines by means of DDA method

Negative influence due to increased air flow of ventilation on gas explosion prevention in coal mines

Create the new mind, constitute the long lasting of the safety management of the coal mines

The application of the ecological succession principle on the land reclaimation In the open coal mines

The Thinking that to Strengthening and Improving the Administrative Law-Enforcing work of the Supervisory Safety of Coal Mines Safety

Distribution of Discarded Coal Mines in Zipingpu Hydroelectric Project Area and Its Effects on Project Construction

The technology of increasing efficiency by using twisted strips to selfcleaning off the fouling of condensers in power plants of coal mines

Notification on the Relevant Issues Concerning the Implementation of the Control over Safety Symbols for Explosives Allowable for Coal Mines

The Cause and Precautionary Measures of the Accident of Sliding Train in Inclined Lane Underground Coal Mines

Application of Normal Temperature Phosphatization Technology in Overhaul of Underground Explosion-proof Electrical Equipment of Coal Mines

Notice on Doing Well the Work of Closing Down and Rectifying Small Coal Mines and the Safety in Production of Coal Mines

Measures of Disaster Relief to Deal with Gas Explosion Accident and its Countermeasures in Coal Mines

Deviation Measuring Technology Used in Quasi-horizontal Directional Drilling Hole at Coal Mines

An Elementary Analysis of the Countermeasures for the Safety Technology Training in Coal Mines under New Situation

The application of three-dimension earthquake exploration technology into the production and construction of coal mines

The Reasons for Wear and Tear of Bearings in Deceleration Devices Used in Coal Mines and Relevant Countermeasure

The central government leaders inspected the coal mines, the representative of coal mines expect the better prospect

different campaigns have been started to close illegal coal mines and shutter some heavily polluting factories

extraordinarily serious safety accidents in coal mines or other mines;

Preliminary discussion on the optimal design of a pit - mouth power plant in Chinese coal mines

Speeding up Technology Innovation and Talent Developing is An Important Way for Coal Mines Safety Production

Problems Present in Current Safe Production Management of Coal Mines and Its Countermeasures

Strata reinforcement support system components used in coal mines - Specification for rockbolting

Specification for control and interlock circuits primarily associated with flameproof restrained plugs and sockets for use in coal mines

Probing into Mine Gas Level Appraising Method Used in Different Productive Shifts of Local Coal Mines

Analyzes of the normal troubles of the limited-moment fluid coupling used in coal mines

Research on Psychology-based Selection System in Safety Managment of Coal Mines and its Application

Public Announcement on the Administration, Detection, and Inspection of Safety Symbols for Imported Safety Products for Coal Mines

The construction of a harmonious society and security inspection in coal-mines

Analysis on How to Establish the Long- acting Management Mechanism of Safety Production in Coal Mines with Coal and Gas Outburst

Rated Consumption Management is the Basis for Controlling Material Cost of Coal Mines

Adjusting Calculation and Improvement Method of Relay Protector of Exhaust Fan Motor Used in Coal Mines

Real records of grouting consolidation for mined-out areas in small coal mines along the 21th bid section of the Shen-Yan railway

Research into the environmental geological problems of coal mines in Inner Mongolia and countermeasures

Problems Encountered in Safety Supervision of Stated- owned Key Coal Mines and Its Solutions

Fuzzy Integral Evaluation of Safety State of "One-ventilation and Three-prevention" in Coal Mines

Existing Problems on Jiangxi Villages And Towns Coal Mines Electromechanical Equipment Model Selection

Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines

Problems and Countermeasures toward the operation of safety supervision system in coal mines

Existing Problems and Countermeasures in Investigating and Disposing Casualty Accidents in Coal Mines

Specification for underground loudspeaker communication systems in coal mines

Situation of Safety Production in Non-coal Mines and Its problems and Countermeasures

Strengthening Industry Supervision and Tamping Safety Foundation, Improving the Safety Production Management Level of Small Scale Coal Mines

The Application of Grey Incidence Analysis to Optimization of Comprehensive Material Circulation of Coal Mines

The relationship between safety quality standardization and the safety supervision of the coal mines

The Distribution Pattern of Occurring Places of Occupational Injuries to Workers of Coal Mines and Countermeasures

Greg Combet, the minister for climate change, says 19 new coal mines are due to open in Australia;

Application of PIS Flameproof Tele-recording and Evidence Acquisition Systemin in Safety Accident Survey of Coal Mines

Discussion on Cause of Gas and Coal-dust Explosion in Coal Mines and Its Prevention and Control Measures

Proposals on registered safety engineer office set up for township coal mines

Analysis of the Danger of Methane Explosion in Coal Mines after the Sealing of the Fire Zone

Strata reinforcement support system components used in coal mines - Specification for birdcaged cablebolting

Carry out Safety Production Permission Systems to Strengthen Village Coal Mines Safety Supervision

Correlative Analysis of Gas Concentration in Coal Mines and Meteorological Factors and Prediction Model

Specification for electrical measuring instruments for use on intrinsically safe circuits in coal mines

Comprehensive Prevention and Control of Transportation Accidents in Inclined Shafts of Small Coal Mines

The Application of Single Chip Microcomputer in Temperature Online Monitoring System of Scraper Conveyor underground Coal Mines

Audio frequency electric perspective exploring water technology performed in coal mines

Study of the Safety Management of Medium and Small Coal Mines

Comprehensive treatment techniques at gas abnormal area in comprehensive mining faces in coal mines with low-gas content

Actuality and advice of ventilation safety monitoring and control system circulation in regional coal mines

The main environment problems of Huainan and Huaibei coal mines in Anhui Province and the countermeasures

Southern Zone Lower Coal Group Hydrology and Geology Conditions Analysis at Western Coal Mines of Shandong Province

Transporting Accidents in Underground Coal Mines and Countermeasures

Application of the air curtain to the dust prevention in coal mines

Datong Coal Mine Group chairman, was elected party secretary Wu Yongping, vice chairman of China Federation of Literary and coal mines;

Implementation Schemes of the Management System in Safety Supervision of Coal Mines

Coal mines should set up the system of learning from accidents

Development and Application of Fabric Solid-woven Fire-resistant Conveyer Belt Underground Coal Mines

Methane Treatment of under-Protection Seam Mining for a Long Distance in Luling Coal Mines

Several Problems in Operation of Mechanical an Electrical Equipment in Coal Mines and Their Improvement