Pressure distribution characteristics of overlying strata in adjacent fully mechanized mining face
Meikuang Anquan, 2022 After the coal mining face is mined, the pressure transmitted by the surrounding rock in the goaf will experience a process from growth to stability, during this period, the growth rate and pressure distribution of overburden pressure in goaf have a direct impact on the safety production of working face and the surrounding roadway support.
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Meitan kexue jishuAs an important energy support for China”s economic development, coal will remain dominant in energy consumption for a period of time in the future.
Mingzhong LI +10 more
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Coastal resources management, policy and planning in Bangladesh [PDF]
This paper reviews the coastal fishery resources of Bangladesh emphasizing the coastal environment, capture fisheries and management issues relative to the sector. BangladeshÆs Exclusive Economic Zone (EEZ) covers an area of about 166 000 km2. This area
Chowdhury, Z.A. +2 more
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Large scale foreign land acquisitions: what interactions, opportunities and risks for different local farming systems? A case-study in Madagascar [PDF]
, 2012 Important foreign land acquisitions in developing countries can lead to structural transformation in existing farming systems. But does the development of mega-farms create the same opportunities and risks for the diversity of local rural households ...
Burnod, Perrine +2 more
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Research on the Dust Transport Law in Large Mining Height Fully Mechanized Mining Face
Scientific Journal of TechnologyThe fully mechanized mining face with high mining height has always been a high-risk area for coal mine dust pollution. In order to further understand the spatiotemporal transport law of dust in the zoning of the high mining height fully mechanized mining face, the 122109 high mining height fully mechanized mining face of Caojiatan Coal Mine was taken ...
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Rural nonfarm employment : a survey [PDF]
So little is known about the rural nonfarm sector that those making policy to assist rural small-scale enterprises have done so largely"unencumbered by evidence". The Lanjouw survey of nonfarm data and policy experience attempts to correct this.
Lanjouw, Jean O., Lanjouw, Peter
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From red to green: achieving an environmental pact at the municipal level in paragominas (pará, brazilian amazon) [PDF]
, 2012 A Red List of Deforestation was published by Brazil's federal government in 2008, listing 36 municipalities with the highest rates of deforestation in the Amazon as a policy measure to prioritize efforts to combat deforestation.
Barlow, Jos +5 more
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Research of straightness control system of fully-mechanized coal mining face
Gong-kuang zidonghua, 2015 The paper analyzed main methods of straightness control of fully-mechanized coal mining face and introduced working principle of straightness control. It used laser alignment sensor to design straightness control system in coal mining face, so as to achieve straightness control of hydraulic support.
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Marine fisheries along the southwest coast of India [PDF]
Marine fisheries production in India has increased from 0.5 million t in 1950 to 2.47 million t in 1997. The gross value of fisheries landings in India was US$2.37 billion in 1997.
Immanuel, S. +4 more
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IMPLICATIONS OF DEMOGRAPHIC CHANGE FOR POLICY EDUCATORS [PDF]
Teaching/Communication/Extension/Profession,
Henderson, Dennis R.
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