Results 81 to 90 of about 324,854 (212)

Simulation and Experimental Study on the Discontinuous Dynamic Impact on Unidirectional Confined Coal-Rock Damage

Shock and Vibration, 2019
The deformation and the damage characteristics of coal and rock under different restraint static load and different impact velocity were studied with the FEM software LS-DYNA.
Tao Wang, Hongbao Zhao, Yang Li, Huan Zhang, Nansong Ju   +4 more
doaj   +1 more source

Experimental Study on Failure Characteristics and Energy Release Evolution of Coal Under Microwave Irradiation

Applied Sciences
In order to reveal the failure characteristics and burst tendency of coal after microwave irradiation, the microstructure damage effect of microwave irradiation on coal was explored.
Chuanhong Ding, Anye Cao, Haonan Liu, Yingyuan Wen, Wenhao Guo, Yang Shi   +5 more
doaj   +1 more source

A Balanced Energy Plan for the Interior West [PDF]

, 2004
Describes a Balanced Energy Plan for the Interior West region of Arizona, New Mexico, Nevada, Utah, Colorado, Wyoming and Montana.
Bruce Driver, David Berry, John Nielsen, Ron Lehr, Susan Innis   +4 more
core  

Independent Expert Scientific Panel – Report on Unconventional Oil and Gas [PDF]

, 2014
No abstract ...
Curran, J., Gatliff, R., Haszeldine, R.S., Masters, C., Shipton, Zoe, Sorbie, K., Stuart, F., Waldron, S., Younger, P.L.   +8 more
core   +1 more source

Hot Issue and Burning Options in Waste Management: A Social Cost Benefit Analysis of Waste-to-Energy in the UK. [PDF]

, 2008
Jamasb, Tooraj, Kiamil, H., Nepal, R.
core   +2 more sources

China, the United States, and the Climate Change Challenge [PDF]

, 2009
Outlines China's climate change policy, U.S. concerns about transfer of carbon-intensive jobs to China and ways to address them, ways for U.S.
Deborah Seligsohn, Lutz Weischer, Robert Heilmayr, Xiaomei Tan   +3 more
core  

Development of durable “green” concrete exposed to deicing chemicals via synergistic use of locally available recycled materials and multi-scale modifiers [PDF]

, 2018
From the economic and social perspectives, the use of waste materials would not be attractive until their costs and quality can satisfy the construction requirements.
Cui, Na, Xie, Ning
core  

Seismic Monitoring of Coal-Rock Mass Damage Under Static and Dynamic Loads and Its Application in Coal Burst Forecast

Applied Sciences
Precise monitoring of damage evolution in coal-rock mass during mining emerges as a paramount requirement for developing accurate early warning systems for coal burst hazards.
Changbin Wang, Anye Cao, Yifan Zang, Hui Li, Yang Yue   +4 more
doaj   +1 more source

Epc/turnkey Contract, Lumpsum Fixed Price Subject to Adjustments [PDF]

, 2015
The most important thing before starting the construction project is deciding the type of contract will be used for the project's implementation. In order to get the proper decision, the understanding on various conditions of contracts are required.
Hardjomuljadi, S. (Sarwono)
core  

More than ore : modern Spanish steel, 1856-1936 [PDF]

, 2001
Contrasting the iron law of the principle of comparative advantages as the determinant of the international division of labour has attracted dissidents to the international trade paradigm over the years.
Houpt, Stefan
core   +1 more source